What is the PM10 level in California, USA at the moment?

The PM10 concentration in California, USA is 35.466 μg/m3 at the moment.

What is the sulfur dioxide (SO2) level in California, USA at the moment?

Currently, California, USA has a sulfur dioxide (SO2) concentration of 1.797 ppb.

What is the ozone (O3) level in California, USA at the moment?

The current ozone (O3) level in California, USA at the moment is 15.147 ppm.

What is the nitrogen dioxide (NO2) level in California, USA at the moment?

Nitrogen dioxide (NO2) level in California, USA at the moment is 11.99 ppb.

Live air quality index in California, USA today

Name: Live air pollution levels in California, USA today
Creator: Ambee

Stay updated with real-time air quality in California, USA featuring accurate data on AQI, PM_2.5, PM₁₀, O₃, NO₂, SO₂, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

Good

California, USA

Last updated: ... (Local time)

Major air pollutants in California, USA

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.03 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.30 μg/m³

155

255

425

605+

Ozone (O₃)

18.06 ppb

201

201+

Sulfur Dioxide (SO₂)

0.55 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.47 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

California, USA

Get Live Pollen Counts

California, USA

Scroll To Air Quality Map

Track live California, USA air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-02T16:00:00.000Z	81 \| moderate	25.1 \| fine	109 \| fine	13.126 \| good	0.943 \| good	14.266 \| good	0.254 \| good
2025-09-02T17:00:00.000Z	84 \| moderate	27.3 \| fine	119 \| fine	16.111 \| good	0.987 \| good	10.623 \| good	0.243 \| good
2025-09-02T18:00:00.000Z	92 \| moderate	31.2 \| fine	135 \| fine	19.501 \| good	1.136 \| good	11.057 \| good	0.24 \| good
2025-09-02T19:00:00.000Z	88 \| moderate	29.1 \| fine	127 \| fine	39.318 \| good	1.097 \| good	10.681 \| good	0.2 \| good
2025-09-02T20:00:00.000Z	75 \| moderate	22.3 \| fine	97 \| fine	53.693 \| good	1.147 \| good	10.361 \| good	0.193 \| good
2025-09-02T21:00:00.000Z	90 \| moderate	21.7 \| fine	95 \| fine	66.652 \| fine	1.067 \| good	8.927 \| good	0.183 \| good
2025-09-02T22:00:00.000Z	101 \| sensitive	21.4 \| fine	95 \| fine	71.106 \| moderate	1.127 \| good	7.891 \| good	0.174 \| good
2025-09-02T23:00:00.000Z	97 \| moderate	21.6 \| fine	95 \| fine	69.062 \| fine	0.923 \| good	5.51 \| good	0.174 \| good
2025-09-03T00:00:00.000Z	97 \| moderate	19.9 \| fine	87 \| fine	68.725 \| fine	0.721 \| good	4.267 \| good	0.149 \| good
2025-09-03T01:00:00.000Z	80 \| moderate	19.9 \| fine	87 \| fine	63.979 \| fine	0.74 \| good	2.874 \| good	0.142 \| good
2025-09-03T02:00:00.000Z	170 \| unhealthy	82.8 \| poor	283 \| poor	46.218 \| good	0.871 \| good	2.776 \| good	0.1 \| good
2025-09-03T03:00:00.000Z	254 \| vUnhealthy	179.469 \| poor	373.678 \| poor	8.919 \| good	1.476 \| good	9.141 \| good	0.411 \| good
2025-09-03T04:00:00.000Z	179 \| unhealthy	94.5 \| poor	295 \| poor	36.448 \| good	0.801 \| good	4.709 \| good	0.173 \| good
2025-09-03T05:00:00.000Z	154 \| unhealthy	60.4 \| poor	261 \| poor	32.161 \| good	0.702 \| good	5.646 \| good	0.173 \| good
2025-09-03T06:00:00.000Z	142 \| sensitive	52.2 \| moderate	237 \| moderate	26.474 \| good	0.505 \| good	3.59 \| good	0.1 \| good
2025-09-03T07:00:00.000Z	166 \| unhealthy	77.3 \| poor	277 \| poor	25.316 \| good	0.432 \| good	3.306 \| good	0.1 \| good
2025-09-03T08:00:00.000Z	168 \| unhealthy	79.6 \| poor	279 \| poor	25.362 \| good	0.456 \| good	5.383 \| good	0.1 \| good
2025-09-03T09:00:00.000Z	169 \| unhealthy	80.8 \| poor	281 \| poor	13.515 \| good	0.55 \| good	7.599 \| good	0.1 \| good
2025-09-03T10:00:00.000Z	172 \| unhealthy	85.7 \| poor	287 \| poor	12.526 \| good	0.57 \| good	5.755 \| good	0.1 \| good
2025-09-03T11:00:00.000Z	173 \| unhealthy	86.9 \| poor	287 \| poor	13.133 \| good	0.454 \| good	4.371 \| good	0.1 \| good
2025-09-03T12:00:00.000Z	165 \| unhealthy	76 \| poor	277 \| poor	9.256 \| good	0.753 \| good	5.354 \| good	0.108 \| good
2025-09-03T13:00:00.000Z	161 \| unhealthy	70.2 \| poor	271 \| poor	12.504 \| good	0.917 \| good	5.637 \| good	0.1 \| good
2025-09-03T14:00:00.000Z	158 \| unhealthy	65.1 \| poor	265 \| poor	8.538 \| good	0.93 \| good	7.415 \| good	0.1 \| good
2025-09-03T15:00:00.000Z	152 \| unhealthy	57.4 \| poor	257 \| poor	11.646 \| good	0.795 \| good	11.476 \| good	0.153 \| good
2025-09-03T16:00:00.000Z	139 \| sensitive	50.8 \| moderate	231 \| moderate	21.045 \| good	1.267 \| good	10.982 \| good	0.174 \| good
2025-09-03T17:00:00.000Z	120 \| sensitive	43.4 \| moderate	193 \| moderate	17.671 \| good	1.196 \| good	8.647 \| good	0.174 \| good
2025-09-03T18:00:00.000Z	105 \| sensitive	37.1 \| moderate	163 \| moderate	25.257 \| good	1.41 \| good	8.808 \| good	0.19 \| good
2025-09-03T19:00:00.000Z	88 \| moderate	28.7 \| fine	125 \| fine	28.717 \| good	1.5 \| good	8.462 \| good	0.181 \| good
2025-09-03T20:00:00.000Z	73 \| moderate	20.6 \| fine	91 \| fine	39.405 \| good	1.215 \| good	8.715 \| good	0.181 \| good
2025-09-03T21:00:00.000Z	67 \| moderate	17.5 \| fine	77 \| fine	45.928 \| good	1.311 \| good	9.152 \| good	0.222 \| good
2025-09-03T22:00:00.000Z	77 \| moderate	15.2 \| fine	69 \| fine	62.824 \| fine	1.361 \| good	8.471 \| good	0.265 \| good
2025-09-03T23:00:00.000Z	97 \| moderate	16.7 \| fine	75 \| fine	69.388 \| fine	1.134 \| good	8.582 \| good	0.273 \| good
2025-09-04T00:00:00.000Z	101 \| sensitive	17.9 \| fine	79 \| fine	70.724 \| fine	0.818 \| good	7.11 \| good	0.241 \| good
2025-09-04T01:00:00.000Z	93 \| moderate	20.2 \| fine	89 \| fine	68.199 \| fine	0.643 \| good	5.265 \| good	0.182 \| good
2025-09-04T02:00:00.000Z	73 \| moderate	20.8 \| fine	91 \| fine	59.741 \| fine	0.537 \| good	5.729 \| good	0.15 \| good
2025-09-04T03:00:00.000Z	84 \| moderate	20.8 \| fine	91 \| fine	64.755 \| fine	0.648 \| good	6.914 \| good	0.15 \| good
2025-09-04T04:00:00.000Z	82 \| moderate	25.6 \| fine	111 \| fine	57.222 \| fine	0.945 \| good	9.713 \| good	0.229 \| good
2025-09-04T05:00:00.000Z	92 \| moderate	31.1 \| fine	135 \| fine	31.684 \| good	0.731 \| good	12.214 \| good	0.19 \| good
2025-09-04T06:00:00.000Z	84 \| moderate	27.2 \| fine	119 \| fine	18.758 \| good	0.629 \| good	11.458 \| good	0.199 \| good
2025-09-04T07:00:00.000Z	73 \| moderate	20.7 \| fine	91 \| fine	18.403 \| good	0.619 \| good	10.211 \| good	0.18 \| good
2025-09-04T08:00:00.000Z	69 \| moderate	19.1 \| fine	85 \| fine	21.353 \| good	0.92 \| good	6.775 \| good	0.1 \| good
2025-09-04T09:00:00.000Z	67 \| moderate	18 \| fine	79 \| fine	15.113 \| good	0.829 \| good	5.904 \| good	0.1 \| good
2025-09-04T10:00:00.000Z	66 \| moderate	17 \| fine	75 \| fine	15.905 \| good	0.751 \| good	4.374 \| good	0.1 \| good
2025-09-04T11:00:00.000Z	62 \| moderate	15 \| fine	67 \| fine	17.181 \| good	0.814 \| good	6.591 \| good	0.1 \| good
2025-09-04T12:00:00.000Z	60 \| moderate	13.9 \| fine	63 \| fine	21.68 \| good	0.629 \| good	6.755 \| good	0.1 \| good
2025-09-04T13:00:00.000Z	300 \| vUnhealthy	224.649 \| poor	406.489 \| poor	1.879 \| good	1.273 \| good	12.92 \| good	0.724 \| good
2025-09-04T14:00:00.000Z	56 \| moderate	12.1 \| fine	55 \| fine	18.69 \| good	0.509 \| good	11.446 \| good	0.171 \| good
2025-09-04T15:00:00.000Z	64 \| moderate	15.9 \| fine	71 \| fine	16.13 \| good	0.439 \| good	16.481 \| good	0.248 \| good
2025-09-04T15:00:00.000Z	38 \| good	7.033 \| good	27.295 \| good	18.063 \| good	0.546 \| good	11.467 \| good	0.288 \| good
2025-09-04T14:00:00.000Z	284 \| vUnhealthy	209.004 \| poor	395.026 \| poor	2.789 \| good	1.22 \| good	12.357 \| good	0.757 \| good
2025-09-04T15:00:00.000Z	218 \| vUnhealthy	143.395 \| poor	342.155 \| poor	11.739 \| good	1.167 \| good	11.794 \| good	0.79 \| good
2025-09-04T16:00:00.000Z	176 \| unhealthy	90.502 \| poor	290.069 \| poor	22.505 \| good	1.119 \| good	8.544 \| good	0.627 \| good
2025-09-04T17:00:00.000Z	157 \| unhealthy	63.518 \| poor	260.362 \| poor	35.709 \| good	1.071 \| good	5.294 \| good	0.464 \| good
2025-09-04T18:00:00.000Z	152 \| unhealthy	56.808 \| poor	250.195 \| moderate	49.637 \| good	1.023 \| good	2.044 \| good	0.302 \| good
2025-09-04T19:00:00.000Z	153 \| unhealthy	59.429 \| poor	259.232 \| poor	64.741 \| fine	0.964 \| good	1.785 \| good	0.28 \| good
2025-09-04T20:00:00.000Z	153 \| unhealthy	57.74 \| poor	256.918 \| poor	75.929 \| moderate	0.904 \| good	1.527 \| good	0.259 \| good
2025-09-04T21:00:00.000Z	149 \| sensitive	54.691 \| moderate	248.289 \| moderate	83.452 \| moderate	0.845 \| good	1.268 \| good	0.238 \| good
2025-09-04T22:00:00.000Z	150 \| sensitive	42.671 \| moderate	189.723 \| moderate	84.724 \| moderate	0.796 \| good	1.284 \| good	0.227 \| good
2025-09-04T23:00:00.000Z	147 \| sensitive	29.087 \| fine	126.417 \| fine	83.736 \| moderate	0.747 \| good	1.3 \| good	0.216 \| good
2025-09-05T00:00:00.000Z	133 \| sensitive	22.86 \| fine	100.307 \| fine	80.109 \| moderate	0.698 \| good	1.316 \| good	0.205 \| good
2025-09-05T01:00:00.000Z	115 \| sensitive	20.577 \| fine	90.831 \| fine	74.706 \| moderate	0.768 \| good	2.682 \| good	0.227 \| good
2025-09-05T02:00:00.000Z	77 \| moderate	16.814 \| fine	75.198 \| fine	62.845 \| fine	0.837 \| good	4.048 \| good	0.248 \| good
2025-09-05T03:00:00.000Z	60 \| moderate	13.548 \| fine	60.426 \| fine	53.062 \| good	0.906 \| good	5.414 \| good	0.269 \| good
2025-09-05T04:00:00.000Z	64 \| moderate	15.83 \| fine	70.167 \| fine	47.823 \| good	0.98 \| good	6.281 \| good	0.295 \| good
2025-09-05T05:00:00.000Z	75 \| moderate	21.613 \| fine	95.142 \| fine	44.165 \| good	1.054 \| good	7.149 \| good	0.321 \| good
2025-09-05T06:00:00.000Z	84 \| moderate	27.398 \| fine	119.351 \| fine	39.357 \| good	1.128 \| good	8.017 \| good	0.347 \| good
2025-09-05T07:00:00.000Z	88 \| moderate	29.378 \| fine	128.662 \| fine	33.288 \| good	1.194 \| good	8.595 \| good	0.398 \| good
2025-09-05T08:00:00.000Z	97 \| moderate	33.388 \| fine	146.561 \| fine	27.336 \| good	1.259 \| good	9.174 \| good	0.449 \| good
2025-09-05T09:00:00.000Z	110 \| sensitive	38.663 \| moderate	167.487 \| moderate	22.133 \| good	1.325 \| good	9.753 \| good	0.5 \| good
2025-09-05T10:00:00.000Z	127 \| sensitive	46.218 \| moderate	197.739 \| moderate	18.853 \| good	1.369 \| good	10.223 \| good	0.552 \| good
2025-09-05T11:00:00.000Z	153 \| unhealthy	59.489 \| poor	242.321 \| moderate	14.443 \| good	1.412 \| good	10.693 \| good	0.604 \| good
2025-09-05T12:00:00.000Z	160 \| unhealthy	68.147 \| poor	262.639 \| poor	12.316 \| good	1.456 \| good	11.163 \| good	0.656 \| good
2025-09-05T13:00:00.000Z	156 \| unhealthy	63.256 \| poor	254.401 \| moderate	10.719 \| good	1.439 \| good	10.91 \| good	0.69 \| good
2025-09-05T14:00:00.000Z	151 \| unhealthy	55.529 \| poor	232.563 \| moderate	12.53 \| good	1.422 \| good	10.658 \| good	0.725 \| good
2025-09-05T15:00:00.000Z	99 \| moderate	35.445 \| fine	151.869 \| fine	22.456 \| good	1.405 \| good	10.405 \| good	0.76 \| good
2025-09-05T16:00:00.000Z	86 \| moderate	27.839 \| fine	121.878 \| fine	32.295 \| good	1.244 \| good	7.599 \| good	0.599 \| good
2025-09-05T17:00:00.000Z	81 \| moderate	24.802 \| fine	108.774 \| fine	43.154 \| good	1.083 \| good	4.793 \| good	0.438 \| good
2025-09-05T18:00:00.000Z	71 \| moderate	19.859 \| fine	87.452 \| fine	53.28 \| good	0.923 \| good	1.986 \| good	0.277 \| good
2025-09-05T19:00:00.000Z	74 \| moderate	17.991 \| fine	79.784 \| fine	62.176 \| fine	0.891 \| good	1.75 \| good	0.262 \| good
2025-09-05T20:00:00.000Z	101 \| sensitive	18.425 \| fine	80.923 \| fine	70.732 \| fine	0.859 \| good	1.514 \| good	0.247 \| good
2025-09-05T21:00:00.000Z	126 \| sensitive	20.445 \| fine	89.981 \| fine	78.186 \| moderate	0.827 \| good	1.277 \| good	0.233 \| good
2025-09-05T22:00:00.000Z	133 \| sensitive	18.753 \| fine	83.218 \| fine	79.881 \| moderate	0.793 \| good	1.296 \| good	0.225 \| good
2025-09-05T23:00:00.000Z	126 \| sensitive	16.422 \| fine	73.568 \| fine	77.876 \| moderate	0.76 \| good	1.315 \| good	0.217 \| good
2025-09-06T00:00:00.000Z	112 \| sensitive	13.083 \| fine	58.412 \| fine	74.47 \| moderate	0.726 \| good	1.333 \| good	0.21 \| good
2025-09-06T01:00:00.000Z	90 \| moderate	12.139 \| fine	54.719 \| good	67.164 \| fine	0.768 \| good	2.65 \| good	0.227 \| good
2025-09-06T02:00:00.000Z	54 \| moderate	11.098 \| good	49.15 \| good	53.591 \| good	0.81 \| good	3.966 \| good	0.245 \| good
2025-09-06T03:00:00.000Z	52 \| moderate	9.84 \| good	43.469 \| good	46.49 \| good	0.853 \| good	5.283 \| good	0.263 \| good
2025-09-06T04:00:00.000Z	58 \| moderate	12.719 \| fine	56.58 \| fine	44.046 \| good	0.968 \| good	6.481 \| good	0.305 \| good
2025-09-06T05:00:00.000Z	73 \| moderate	20.804 \| fine	91.77 \| fine	39.761 \| good	1.082 \| good	7.68 \| good	0.348 \| good
2025-09-06T06:00:00.000Z	90 \| moderate	30.488 \| fine	133.604 \| fine	33.211 \| good	1.197 \| good	8.879 \| good	0.391 \| good
2025-09-06T07:00:00.000Z	115 \| sensitive	40.782 \| moderate	178.408 \| moderate	27.131 \| good	1.233 \| good	9.028 \| good	0.432 \| good
2025-09-06T08:00:00.000Z	137 \| sensitive	50.425 \| moderate	216.447 \| moderate	21.304 \| good	1.269 \| good	9.177 \| good	0.473 \| good
2025-09-06T09:00:00.000Z	153 \| unhealthy	57.961 \| poor	239.785 \| moderate	17.158 \| good	1.305 \| good	9.326 \| good	0.515 \| good
2025-09-06T10:00:00.000Z	159 \| unhealthy	67.388 \| poor	261.604 \| poor	13.508 \| good	1.33 \| good	9.707 \| good	0.554 \| good
2025-09-06T11:00:00.000Z	162 \| unhealthy	71.155 \| poor	266.24 \| poor	12.013 \| good	1.356 \| good	10.087 \| good	0.592 \| good
2025-09-06T12:00:00.000Z	161 \| unhealthy	70.23 \| poor	264.776 \| poor	8.398 \| good	1.381 \| good	10.467 \| good	0.631 \| good
2025-09-06T13:00:00.000Z	157 \| unhealthy	64.43 \| poor	256.059 \| poor	9.754 \| good	1.342 \| good	9.942 \| good	0.643 \| good

California

Get reliable air quality data to drive your business

California, USA air quality map: Stay updated on AQI near you

Air quality in cities of California, USA

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
Sanger, California	176 Unhealthy	91.16μg/m³ Poor	291.48μg/m³ Poor	0.99ppb Good	1.25ppb Good	15.28ppb Good	0.73ppm Good
Clovis, California	172 Unhealthy	86.02μg/m³ Poor	286.43μg/m³ Poor	1.91ppb Good	1.22ppb Good	14.63ppb Good	0.71ppm Good
Parlier, California	153 Unhealthy	59.47μg/m³ Poor	254.49μg/m³ Poor	2.67ppb Good	1.03ppb Good	13.01ppb Good	0.55ppm Good
Coalinga, California	137 Unhealthy for sensitive groups	50.23μg/m³ Moderate	218.17μg/m³ Moderate	5.58ppb Good	0.53ppb Good	8.49ppb Good	0.32ppm Good
Reedley, California	129 Unhealthy for sensitive groups	46.81μg/m³ Moderate	208.65μg/m³ Moderate	4.79ppb Good	0.97ppb Good	12.19ppb Good	0.52ppm Good
Kingsburg, California	120 Unhealthy for sensitive groups	43.24μg/m³ Moderate	192.94μg/m³ Moderate	4.48ppb Good	0.84ppb Good	12.40ppb Good	0.36ppm Good
Selma, California	110 Unhealthy for sensitive groups	38.82μg/m³ Moderate	172.08μg/m³ Moderate	4.68ppb Good	0.90ppb Good	12.24ppb Good	0.43ppm Good
Dinuba, California	105 Unhealthy for sensitive groups	37.33μg/m³ Moderate	163.76μg/m³ Moderate	7.33ppb Good	0.78ppb Good	10.73ppb Good	0.42ppm Good
Avenal, California	99 Moderate	35.03μg/m³ Fine	151.05μg/m³ Fine	9.20ppb Good	0.51ppb Good	8.83ppb Good	0.33ppm Good
McFarland, California	88 Moderate	29.47μg/m³ Fine	128.20μg/m³ Fine	8.94ppb Good	0.25ppb Good	10.94ppb Good	0.24ppm Good
Delano, California	88 Moderate	28.70μg/m³ Fine	124.66μg/m³ Fine	10.25ppb Good	0.23ppb Good	9.27ppb Good	0.22ppm Good
Rosedale, California	86 Moderate	28.28μg/m³ Fine	122.84μg/m³ Fine	7.06ppb Good	0.31ppb Good	8.45ppb Good	0.21ppm Good
Visalia, California	88 Moderate	28.57μg/m³ Fine	124.63μg/m³ Fine	4.45ppb Good	0.39ppb Good	8.64ppb Good	0.28ppm Good
Shafter, California	84 Moderate	27.47μg/m³ Fine	119.45μg/m³ Fine	4.36ppb Good	0.28ppb Good	9.45ppb Good	0.23ppm Good
Tulare, California	84 Moderate	26.75μg/m³ Fine	116.30μg/m³ Fine	7.26ppb Good	0.39ppb Good	9.32ppb Good	0.28ppm Good
Fresno, California	84 Moderate	26.56μg/m³ Fine	115.88μg/m³ Fine	5.83ppb Good	0.94ppb Good	10.24ppb Good	0.45ppm Good
Wasco, California	79 Moderate	23.69μg/m³ Fine	103.65μg/m³ Fine	5.66ppb Good	0.26ppb Good	8.35ppb Good	0.21ppm Good
Oildale, California	77 Moderate	23.04μg/m³ Fine	101.02μg/m³ Fine	10.95ppb Good	0.28ppb Good	7.45ppb Good	0.20ppm Good
Bakersfield, California	75 Moderate	22.45μg/m³ Fine	98.18μg/m³ Fine	8.87ppb Good	0.30ppb Good	7.10ppb Good	0.20ppm Good
Farmersville, California	73 Moderate	20.59μg/m³ Fine	90.53μg/m³ Fine	8.84ppb Good	0.32ppb Good	8.24ppb Good	0.26ppm Good
East Bakersfield, California	69 Moderate	19.14μg/m³ Fine	85.29μg/m³ Fine	11.08ppb Good	0.28ppb Good	6.32ppb Good	0.19ppm Good
Greenfield city, California	69 Moderate	19.07μg/m³ Fine	84.99μg/m³ Fine	7.11ppb Good	0.33ppb Good	6.56ppb Good	0.19ppm Good
Potomac Park, California	69 Moderate	18.52μg/m³ Fine	82.14μg/m³ Fine	10.53ppb Good	0.29ppb Good	6.08ppb Good	0.19ppm Good
Corcoran, California	66 Moderate	17.48μg/m³ Fine	77.38μg/m³ Fine	13.94ppb Good	0.35ppb Good	9.64ppb Good	0.28ppm Good
East Niles, California	64 Moderate	16.26μg/m³ Fine	72.79μg/m³ Fine	15.37ppb Good	0.26ppb Good	5.89ppb Good	0.19ppm Good
Hillcrest, California	64 Moderate	16.26μg/m³ Fine	72.79μg/m³ Fine	15.37ppb Good	0.26ppb Good	5.89ppb Good	0.19ppm Good
Porterville, California	64 Moderate	15.74μg/m³ Fine	70.07μg/m³ Fine	12.19ppb Good	0.17ppb Good	6.80ppb Good	0.19ppm Good
Lindsay, California	62 Moderate	15.20μg/m³ Fine	67.85μg/m³ Fine	13.14ppb Good	0.29ppb Good	7.65ppb Good	0.25ppm Good
Exeter, California	62 Moderate	14.70μg/m³ Fine	65.34μg/m³ Fine	13.23ppb Good	0.33ppb Good	7.94ppb Good	0.26ppm Good
Hanford, California	62 Moderate	14.59μg/m³ Fine	64.45μg/m³ Fine	11.64ppb Good	0.78ppb Good	12.45ppb Good	0.29ppm Good
Lamont, California	60 Moderate	14.33μg/m³ Fine	63.49μg/m³ Fine	12.67ppb Good	0.33ppb Good	5.49ppb Good	0.18ppm Good
Jurupa Valley, California	60 Moderate	13.77μg/m³ Fine	61.11μg/m³ Fine	2.24ppb Good	4.24ppb Good	21.95ppb Good	0.26ppm Good
Victorville, California	58 Moderate	13.41μg/m³ Fine	60.77μg/m³ Fine	25.47ppb Good	2.30ppb Good	10.49ppb Good	0.26ppm Good
Bloomington, California	58 Moderate	12.86μg/m³ Fine	57.75μg/m³ Fine	5.87ppb Good	3.27ppb Good	16.65ppb Good	0.26ppm Good
Fontana, California	58 Moderate	12.95μg/m³ Fine	58.80μg/m³ Fine	7.21ppb Good	3.52ppb Good	17.63ppb Good	0.26ppm Good
Norco, California	58 Moderate	12.71μg/m³ Fine	56.99μg/m³ Fine	1.70ppb Good	4.21ppb Good	22.05ppb Good	0.25ppm Good
Perris, California	58 Moderate	12.90μg/m³ Fine	57.98μg/m³ Fine	7.87ppb Good	1.82ppb Good	12.11ppb Good	0.24ppm Good
Riverside, California	58 Moderate	13.16μg/m³ Fine	59.10μg/m³ Fine	3.06ppb Good	2.82ppb Good	14.89ppb Good	0.26ppm Good
Woodcrest, California	58 Moderate	13.01μg/m³ Fine	58.50μg/m³ Fine	2.82ppb Good	2.54ppb Good	14.16ppb Good	0.26ppm Good
Adelanto, California	56 Moderate	12.48μg/m³ Fine	56.10μg/m³ Fine	23.88ppb Good	2.73ppb Good	12.45ppb Good	0.26ppm Good
Barstow, California	56 Moderate	12.38μg/m³ Fine	55.51μg/m³ Fine	11.22ppb Good	0.73ppb Good	4.58ppb Good	0.17ppm Good
Corona, California	56 Moderate	12.20μg/m³ Fine	54.84μg/m³ Fine	2.63ppb Good	3.71ppb Good	19.75ppb Good	0.24ppm Good
Eastvale, California	56 Moderate	12.40μg/m³ Fine	55.86μg/m³ Fine	1.38ppb Good	4.52ppb Good	23.54ppb Good	0.25ppm Good
Grand Terrace, California	56 Moderate	12.22μg/m³ Fine	54.54μg/m³ Fine	5.24ppb Good	2.43ppb Good	13.02ppb Good	0.27ppm Good
Home Gardens, California	56 Moderate	12.32μg/m³ Fine	55.39μg/m³ Fine	2.72ppb Good	3.65ppb Good	19.47ppb Good	0.24ppm Good
Moreno Valley, California	56 Moderate	12.32μg/m³ Fine	55.02μg/m³ Fine	6.38ppb Good	2.15ppb Good	12.04ppb Good	0.28ppm Good
Spring Valley Lake, California	56 Moderate	12.15μg/m³ Fine	53.93μg/m³ Good	30.07ppb Good	2.19ppb Good	9.84ppb Good	0.26ppm Good
Colton, California	56 Moderate	11.63μg/m³ Good	51.58μg/m³ Good	7.64ppb Good	2.46ppb Good	13.05ppb Good	0.27ppm Good
Hemet, California	56 Moderate	11.68μg/m³ Good	51.00μg/m³ Good	33.33ppb Good	1.36ppb Good	8.02ppb Good	0.22ppm Good
Madera, California	56 Moderate	12.00μg/m³ Good	52.55μg/m³ Good	8.73ppb Good	0.64ppb Good	5.92ppb Good	0.22ppm Good

City	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
No results found

0.26ppm

How accurate is California, USA air quality data?

Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.

Source: Ambee Data Sources

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

Frequently asked questions

How often is air quality information updated for California, USA?

The air quality information for California, USA is updated every hour for accuracy.

What time in the last 24 hours was the air quality in California, USA at its worst?

In the past 24 hours, the air quality in California, USA was at its worst at 01:00:00 on 2025-09-03.

When did California, USA experience the best air quality in the last 24 hours?

In the last 24 hours, the best air quality in California, USA was observed at 12:00:00 on 2025-09-04.

What is the AQI in California, USA right now?

As of now, the AQI in California, USA is 44, indicating Good conditions.

What is the most common type of pollution in California, USA?

California, USA air has the highest levels of PM2.5.

What should I do in case of poor air quality in California, USA?

Poor air quality in California, USA means it's advisable to stay indoors and wear a mask for your protection.

What is the PM_2.5 level in California, USA at the moment?

PM_2.5 levels in California, USA are currently 8.163 μg/m³.

What is the PM₁₀ level in California, USA at the moment?

The PM₁₀ concentration in California, USA is 35.466 μg/m³ at the moment.

What is the carbon monoxide (CO) level in California, USA at the moment?

The current carbon monoxide (CO) concentration in California, USA is 0.209 ppm.

What is the sulfur dioxide (SO₂) level in California, USA at the moment?

Currently, California, USA has a sulfur dioxide (SO₂) concentration of 1.797 ppb.

What is the ozone (O₃) level in California, USA at the moment?

The current ozone (O₃) level in California, USA at the moment is 15.147 ppm.

What is the nitrogen dioxide (NO₂) level in California, USA at the moment?

Nitrogen dioxide (NO₂) level in California, USA at the moment is 11.99 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-02T16:00:00.000Z	81 \| moderate	25.1 \| fine	109 \| fine	13.126 \| good	0.943 \| good	14.266 \| good	0.254 \| good
2025-09-02T17:00:00.000Z	84 \| moderate	27.3 \| fine	119 \| fine	16.111 \| good	0.987 \| good	10.623 \| good	0.243 \| good
2025-09-02T18:00:00.000Z	92 \| moderate	31.2 \| fine	135 \| fine	19.501 \| good	1.136 \| good	11.057 \| good	0.24 \| good
2025-09-02T19:00:00.000Z	88 \| moderate	29.1 \| fine	127 \| fine	39.318 \| good	1.097 \| good	10.681 \| good	0.2 \| good
2025-09-02T20:00:00.000Z	75 \| moderate	22.3 \| fine	97 \| fine	53.693 \| good	1.147 \| good	10.361 \| good	0.193 \| good
2025-09-02T21:00:00.000Z	90 \| moderate	21.7 \| fine	95 \| fine	66.652 \| fine	1.067 \| good	8.927 \| good	0.183 \| good
2025-09-02T22:00:00.000Z	101 \| sensitive	21.4 \| fine	95 \| fine	71.106 \| moderate	1.127 \| good	7.891 \| good	0.174 \| good
2025-09-02T23:00:00.000Z	97 \| moderate	21.6 \| fine	95 \| fine	69.062 \| fine	0.923 \| good	5.51 \| good	0.174 \| good
2025-09-03T00:00:00.000Z	97 \| moderate	19.9 \| fine	87 \| fine	68.725 \| fine	0.721 \| good	4.267 \| good	0.149 \| good
2025-09-03T01:00:00.000Z	80 \| moderate	19.9 \| fine	87 \| fine	63.979 \| fine	0.74 \| good	2.874 \| good	0.142 \| good
2025-09-03T02:00:00.000Z	170 \| unhealthy	82.8 \| poor	283 \| poor	46.218 \| good	0.871 \| good	2.776 \| good	0.1 \| good
2025-09-03T03:00:00.000Z	254 \| vUnhealthy	179.469 \| poor	373.678 \| poor	8.919 \| good	1.476 \| good	9.141 \| good	0.411 \| good
2025-09-03T04:00:00.000Z	179 \| unhealthy	94.5 \| poor	295 \| poor	36.448 \| good	0.801 \| good	4.709 \| good	0.173 \| good
2025-09-03T05:00:00.000Z	154 \| unhealthy	60.4 \| poor	261 \| poor	32.161 \| good	0.702 \| good	5.646 \| good	0.173 \| good
2025-09-03T06:00:00.000Z	142 \| sensitive	52.2 \| moderate	237 \| moderate	26.474 \| good	0.505 \| good	3.59 \| good	0.1 \| good
2025-09-03T07:00:00.000Z	166 \| unhealthy	77.3 \| poor	277 \| poor	25.316 \| good	0.432 \| good	3.306 \| good	0.1 \| good
2025-09-03T08:00:00.000Z	168 \| unhealthy	79.6 \| poor	279 \| poor	25.362 \| good	0.456 \| good	5.383 \| good	0.1 \| good
2025-09-03T09:00:00.000Z	169 \| unhealthy	80.8 \| poor	281 \| poor	13.515 \| good	0.55 \| good	7.599 \| good	0.1 \| good
2025-09-03T10:00:00.000Z	172 \| unhealthy	85.7 \| poor	287 \| poor	12.526 \| good	0.57 \| good	5.755 \| good	0.1 \| good
2025-09-03T11:00:00.000Z	173 \| unhealthy	86.9 \| poor	287 \| poor	13.133 \| good	0.454 \| good	4.371 \| good	0.1 \| good
2025-09-03T12:00:00.000Z	165 \| unhealthy	76 \| poor	277 \| poor	9.256 \| good	0.753 \| good	5.354 \| good	0.108 \| good
2025-09-03T13:00:00.000Z	161 \| unhealthy	70.2 \| poor	271 \| poor	12.504 \| good	0.917 \| good	5.637 \| good	0.1 \| good
2025-09-03T14:00:00.000Z	158 \| unhealthy	65.1 \| poor	265 \| poor	8.538 \| good	0.93 \| good	7.415 \| good	0.1 \| good
2025-09-03T15:00:00.000Z	152 \| unhealthy	57.4 \| poor	257 \| poor	11.646 \| good	0.795 \| good	11.476 \| good	0.153 \| good
2025-09-03T16:00:00.000Z	139 \| sensitive	50.8 \| moderate	231 \| moderate	21.045 \| good	1.267 \| good	10.982 \| good	0.174 \| good
2025-09-03T17:00:00.000Z	120 \| sensitive	43.4 \| moderate	193 \| moderate	17.671 \| good	1.196 \| good	8.647 \| good	0.174 \| good
2025-09-03T18:00:00.000Z	105 \| sensitive	37.1 \| moderate	163 \| moderate	25.257 \| good	1.41 \| good	8.808 \| good	0.19 \| good
2025-09-03T19:00:00.000Z	88 \| moderate	28.7 \| fine	125 \| fine	28.717 \| good	1.5 \| good	8.462 \| good	0.181 \| good
2025-09-03T20:00:00.000Z	73 \| moderate	20.6 \| fine	91 \| fine	39.405 \| good	1.215 \| good	8.715 \| good	0.181 \| good
2025-09-03T21:00:00.000Z	67 \| moderate	17.5 \| fine	77 \| fine	45.928 \| good	1.311 \| good	9.152 \| good	0.222 \| good
2025-09-03T22:00:00.000Z	77 \| moderate	15.2 \| fine	69 \| fine	62.824 \| fine	1.361 \| good	8.471 \| good	0.265 \| good
2025-09-03T23:00:00.000Z	97 \| moderate	16.7 \| fine	75 \| fine	69.388 \| fine	1.134 \| good	8.582 \| good	0.273 \| good
2025-09-04T00:00:00.000Z	101 \| sensitive	17.9 \| fine	79 \| fine	70.724 \| fine	0.818 \| good	7.11 \| good	0.241 \| good
2025-09-04T01:00:00.000Z	93 \| moderate	20.2 \| fine	89 \| fine	68.199 \| fine	0.643 \| good	5.265 \| good	0.182 \| good
2025-09-04T02:00:00.000Z	73 \| moderate	20.8 \| fine	91 \| fine	59.741 \| fine	0.537 \| good	5.729 \| good	0.15 \| good
2025-09-04T03:00:00.000Z	84 \| moderate	20.8 \| fine	91 \| fine	64.755 \| fine	0.648 \| good	6.914 \| good	0.15 \| good
2025-09-04T04:00:00.000Z	82 \| moderate	25.6 \| fine	111 \| fine	57.222 \| fine	0.945 \| good	9.713 \| good	0.229 \| good
2025-09-04T05:00:00.000Z	92 \| moderate	31.1 \| fine	135 \| fine	31.684 \| good	0.731 \| good	12.214 \| good	0.19 \| good
2025-09-04T06:00:00.000Z	84 \| moderate	27.2 \| fine	119 \| fine	18.758 \| good	0.629 \| good	11.458 \| good	0.199 \| good
2025-09-04T07:00:00.000Z	73 \| moderate	20.7 \| fine	91 \| fine	18.403 \| good	0.619 \| good	10.211 \| good	0.18 \| good
2025-09-04T08:00:00.000Z	69 \| moderate	19.1 \| fine	85 \| fine	21.353 \| good	0.92 \| good	6.775 \| good	0.1 \| good
2025-09-04T09:00:00.000Z	67 \| moderate	18 \| fine	79 \| fine	15.113 \| good	0.829 \| good	5.904 \| good	0.1 \| good
2025-09-04T10:00:00.000Z	66 \| moderate	17 \| fine	75 \| fine	15.905 \| good	0.751 \| good	4.374 \| good	0.1 \| good
2025-09-04T11:00:00.000Z	62 \| moderate	15 \| fine	67 \| fine	17.181 \| good	0.814 \| good	6.591 \| good	0.1 \| good
2025-09-04T12:00:00.000Z	60 \| moderate	13.9 \| fine	63 \| fine	21.68 \| good	0.629 \| good	6.755 \| good	0.1 \| good
2025-09-04T13:00:00.000Z	300 \| vUnhealthy	224.649 \| poor	406.489 \| poor	1.879 \| good	1.273 \| good	12.92 \| good	0.724 \| good
2025-09-04T14:00:00.000Z	56 \| moderate	12.1 \| fine	55 \| fine	18.69 \| good	0.509 \| good	11.446 \| good	0.171 \| good
2025-09-04T15:00:00.000Z	64 \| moderate	15.9 \| fine	71 \| fine	16.13 \| good	0.439 \| good	16.481 \| good	0.248 \| good
2025-09-04T15:00:00.000Z	38 \| good	7.033 \| good	27.295 \| good	18.063 \| good	0.546 \| good	11.467 \| good	0.288 \| good
2025-09-04T14:00:00.000Z	284 \| vUnhealthy	209.004 \| poor	395.026 \| poor	2.789 \| good	1.22 \| good	12.357 \| good	0.757 \| good
2025-09-04T15:00:00.000Z	218 \| vUnhealthy	143.395 \| poor	342.155 \| poor	11.739 \| good	1.167 \| good	11.794 \| good	0.79 \| good
2025-09-04T16:00:00.000Z	176 \| unhealthy	90.502 \| poor	290.069 \| poor	22.505 \| good	1.119 \| good	8.544 \| good	0.627 \| good
2025-09-04T17:00:00.000Z	157 \| unhealthy	63.518 \| poor	260.362 \| poor	35.709 \| good	1.071 \| good	5.294 \| good	0.464 \| good
2025-09-04T18:00:00.000Z	152 \| unhealthy	56.808 \| poor	250.195 \| moderate	49.637 \| good	1.023 \| good	2.044 \| good	0.302 \| good
2025-09-04T19:00:00.000Z	153 \| unhealthy	59.429 \| poor	259.232 \| poor	64.741 \| fine	0.964 \| good	1.785 \| good	0.28 \| good
2025-09-04T20:00:00.000Z	153 \| unhealthy	57.74 \| poor	256.918 \| poor	75.929 \| moderate	0.904 \| good	1.527 \| good	0.259 \| good
2025-09-04T21:00:00.000Z	149 \| sensitive	54.691 \| moderate	248.289 \| moderate	83.452 \| moderate	0.845 \| good	1.268 \| good	0.238 \| good
2025-09-04T22:00:00.000Z	150 \| sensitive	42.671 \| moderate	189.723 \| moderate	84.724 \| moderate	0.796 \| good	1.284 \| good	0.227 \| good
2025-09-04T23:00:00.000Z	147 \| sensitive	29.087 \| fine	126.417 \| fine	83.736 \| moderate	0.747 \| good	1.3 \| good	0.216 \| good
2025-09-05T00:00:00.000Z	133 \| sensitive	22.86 \| fine	100.307 \| fine	80.109 \| moderate	0.698 \| good	1.316 \| good	0.205 \| good
2025-09-05T01:00:00.000Z	115 \| sensitive	20.577 \| fine	90.831 \| fine	74.706 \| moderate	0.768 \| good	2.682 \| good	0.227 \| good
2025-09-05T02:00:00.000Z	77 \| moderate	16.814 \| fine	75.198 \| fine	62.845 \| fine	0.837 \| good	4.048 \| good	0.248 \| good
2025-09-05T03:00:00.000Z	60 \| moderate	13.548 \| fine	60.426 \| fine	53.062 \| good	0.906 \| good	5.414 \| good	0.269 \| good
2025-09-05T04:00:00.000Z	64 \| moderate	15.83 \| fine	70.167 \| fine	47.823 \| good	0.98 \| good	6.281 \| good	0.295 \| good
2025-09-05T05:00:00.000Z	75 \| moderate	21.613 \| fine	95.142 \| fine	44.165 \| good	1.054 \| good	7.149 \| good	0.321 \| good
2025-09-05T06:00:00.000Z	84 \| moderate	27.398 \| fine	119.351 \| fine	39.357 \| good	1.128 \| good	8.017 \| good	0.347 \| good
2025-09-05T07:00:00.000Z	88 \| moderate	29.378 \| fine	128.662 \| fine	33.288 \| good	1.194 \| good	8.595 \| good	0.398 \| good
2025-09-05T08:00:00.000Z	97 \| moderate	33.388 \| fine	146.561 \| fine	27.336 \| good	1.259 \| good	9.174 \| good	0.449 \| good
2025-09-05T09:00:00.000Z	110 \| sensitive	38.663 \| moderate	167.487 \| moderate	22.133 \| good	1.325 \| good	9.753 \| good	0.5 \| good
2025-09-05T10:00:00.000Z	127 \| sensitive	46.218 \| moderate	197.739 \| moderate	18.853 \| good	1.369 \| good	10.223 \| good	0.552 \| good
2025-09-05T11:00:00.000Z	153 \| unhealthy	59.489 \| poor	242.321 \| moderate	14.443 \| good	1.412 \| good	10.693 \| good	0.604 \| good
2025-09-05T12:00:00.000Z	160 \| unhealthy	68.147 \| poor	262.639 \| poor	12.316 \| good	1.456 \| good	11.163 \| good	0.656 \| good
2025-09-05T13:00:00.000Z	156 \| unhealthy	63.256 \| poor	254.401 \| moderate	10.719 \| good	1.439 \| good	10.91 \| good	0.69 \| good
2025-09-05T14:00:00.000Z	151 \| unhealthy	55.529 \| poor	232.563 \| moderate	12.53 \| good	1.422 \| good	10.658 \| good	0.725 \| good
2025-09-05T15:00:00.000Z	99 \| moderate	35.445 \| fine	151.869 \| fine	22.456 \| good	1.405 \| good	10.405 \| good	0.76 \| good
2025-09-05T16:00:00.000Z	86 \| moderate	27.839 \| fine	121.878 \| fine	32.295 \| good	1.244 \| good	7.599 \| good	0.599 \| good
2025-09-05T17:00:00.000Z	81 \| moderate	24.802 \| fine	108.774 \| fine	43.154 \| good	1.083 \| good	4.793 \| good	0.438 \| good
2025-09-05T18:00:00.000Z	71 \| moderate	19.859 \| fine	87.452 \| fine	53.28 \| good	0.923 \| good	1.986 \| good	0.277 \| good
2025-09-05T19:00:00.000Z	74 \| moderate	17.991 \| fine	79.784 \| fine	62.176 \| fine	0.891 \| good	1.75 \| good	0.262 \| good
2025-09-05T20:00:00.000Z	101 \| sensitive	18.425 \| fine	80.923 \| fine	70.732 \| fine	0.859 \| good	1.514 \| good	0.247 \| good
2025-09-05T21:00:00.000Z	126 \| sensitive	20.445 \| fine	89.981 \| fine	78.186 \| moderate	0.827 \| good	1.277 \| good	0.233 \| good
2025-09-05T22:00:00.000Z	133 \| sensitive	18.753 \| fine	83.218 \| fine	79.881 \| moderate	0.793 \| good	1.296 \| good	0.225 \| good
2025-09-05T23:00:00.000Z	126 \| sensitive	16.422 \| fine	73.568 \| fine	77.876 \| moderate	0.76 \| good	1.315 \| good	0.217 \| good
2025-09-06T00:00:00.000Z	112 \| sensitive	13.083 \| fine	58.412 \| fine	74.47 \| moderate	0.726 \| good	1.333 \| good	0.21 \| good
2025-09-06T01:00:00.000Z	90 \| moderate	12.139 \| fine	54.719 \| good	67.164 \| fine	0.768 \| good	2.65 \| good	0.227 \| good
2025-09-06T02:00:00.000Z	54 \| moderate	11.098 \| good	49.15 \| good	53.591 \| good	0.81 \| good	3.966 \| good	0.245 \| good
2025-09-06T03:00:00.000Z	52 \| moderate	9.84 \| good	43.469 \| good	46.49 \| good	0.853 \| good	5.283 \| good	0.263 \| good
2025-09-06T04:00:00.000Z	58 \| moderate	12.719 \| fine	56.58 \| fine	44.046 \| good	0.968 \| good	6.481 \| good	0.305 \| good
2025-09-06T05:00:00.000Z	73 \| moderate	20.804 \| fine	91.77 \| fine	39.761 \| good	1.082 \| good	7.68 \| good	0.348 \| good
2025-09-06T06:00:00.000Z	90 \| moderate	30.488 \| fine	133.604 \| fine	33.211 \| good	1.197 \| good	8.879 \| good	0.391 \| good
2025-09-06T07:00:00.000Z	115 \| sensitive	40.782 \| moderate	178.408 \| moderate	27.131 \| good	1.233 \| good	9.028 \| good	0.432 \| good
2025-09-06T08:00:00.000Z	137 \| sensitive	50.425 \| moderate	216.447 \| moderate	21.304 \| good	1.269 \| good	9.177 \| good	0.473 \| good
2025-09-06T09:00:00.000Z	153 \| unhealthy	57.961 \| poor	239.785 \| moderate	17.158 \| good	1.305 \| good	9.326 \| good	0.515 \| good
2025-09-06T10:00:00.000Z	159 \| unhealthy	67.388 \| poor	261.604 \| poor	13.508 \| good	1.33 \| good	9.707 \| good	0.554 \| good
2025-09-06T11:00:00.000Z	162 \| unhealthy	71.155 \| poor	266.24 \| poor	12.013 \| good	1.356 \| good	10.087 \| good	0.592 \| good
2025-09-06T12:00:00.000Z	161 \| unhealthy	70.23 \| poor	264.776 \| poor	8.398 \| good	1.381 \| good	10.467 \| good	0.631 \| good
2025-09-06T13:00:00.000Z	157 \| unhealthy	64.43 \| poor	256.059 \| poor	9.754 \| good	1.342 \| good	9.942 \| good	0.643 \| good

Live air quality index in California, USA today

Major air pollutants in California, USA

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live California, USA air quality forecast and history

Get reliable air quality data to drive your business

California, USA air quality map: Stay updated on AQI near you

Air quality in cities of California, USA

Air quality in nearby states

Nevada, USA

Oregon, USA

Utah, USA

Arizona, USA

Idaho, USA

Nebraska, USA

How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

How often is air quality information updated for California, USA?

What time in the last 24 hours was the air quality in California, USA at its worst?

When did California, USA experience the best air quality in the last 24 hours?

What is the AQI in California, USA right now?

What is the most common type of pollution in California, USA?

What should I do in case of poor air quality in California, USA?

What is the PM2.5 level in California, USA at the moment?

What is the PM10 level in California, USA at the moment?

What is the carbon monoxide (CO) level in California, USA at the moment?

What is the sulfur dioxide (SO2) level in California, USA at the moment?

What is the ozone (O3) level in California, USA at the moment?

What is the nitrogen dioxide (NO2) level in California, USA at the moment?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the PM_2.5 level in California, USA at the moment?

What is the PM₁₀ level in California, USA at the moment?

What is the sulfur dioxide (SO₂) level in California, USA at the moment?

What is the ozone (O₃) level in California, USA at the moment?

What is the nitrogen dioxide (NO₂) level in California, USA at the moment?