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

The PM10 concentration in California, USA is 36.625 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 0.664 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 40.409 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 5.991 ppb.

Live air quality index in California, USA today

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

PM2.5 levels in California, USA are currently 8.098 μg/m3.

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)

8.10 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

36.63 μg/m³

155

255

425

605+

Ozone (O₃)

40.41 ppb

201

201+

Sulfur Dioxide (SO₂)

0.66 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.99 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.26 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2026-07-21T21:00:00.000Z	54 \| moderate	10.729 \| good	28.561 \| good	42.924 \| good	1.291 \| good	7.491 \| good	0.152 \| good
2026-07-21T22:00:00.000Z	44 \| good	3.738 \| good	13.881 \| good	46.949 \| good	0.827 \| good	6.731 \| good	0.117 \| good
2026-07-21T23:00:00.000Z	47 \| good	4.538 \| good	21.411 \| good	50.626 \| good	0.758 \| good	3.675 \| good	0.111 \| good
2026-07-22T00:00:00.000Z	51 \| moderate	5.327 \| good	20.853 \| good	54.828 \| good	0.765 \| good	2.941 \| good	0.119 \| good
2026-07-22T01:00:00.000Z	50 \| good	6.001 \| good	25.666 \| good	54.463 \| good	0.837 \| good	2.845 \| good	0.111 \| good
2026-07-22T02:00:00.000Z	44 \| good	5.075 \| good	18.992 \| good	47.148 \| good	0.823 \| good	2.435 \| good	0.106 \| good
2026-07-22T03:00:00.000Z	42 \| good	5.096 \| good	21.37 \| good	45.258 \| good	0.782 \| good	4.452 \| good	0.106 \| good
2026-07-22T04:00:00.000Z	39 \| good	5.104 \| good	21.647 \| good	41.895 \| good	0.83 \| good	6.177 \| good	0.106 \| good
2026-07-22T05:00:00.000Z	38 \| good	6.517 \| good	30.27 \| good	38.346 \| good	0.877 \| good	8.95 \| good	0.151 \| good
2026-07-22T06:00:00.000Z	38 \| good	7.413 \| good	33.979 \| good	32.652 \| good	0.934 \| good	9.743 \| good	0.186 \| good
2026-07-22T07:00:00.000Z	44 \| good	7.971 \| good	40.31 \| good	26.87 \| good	0.991 \| good	9.901 \| good	0.186 \| good
2026-07-22T08:00:00.000Z	44 \| good	7.551 \| good	26.578 \| good	20.368 \| good	0.88 \| good	8.872 \| good	0.151 \| good
2026-07-22T09:00:00.000Z	33 \| good	6.343 \| good	18.177 \| good	24.03 \| good	0.74 \| good	6.233 \| good	0.106 \| good
2026-07-22T10:00:00.000Z	33 \| good	6.436 \| good	14.322 \| good	20.055 \| good	0.748 \| good	6.973 \| good	0.106 \| good
2026-07-22T11:00:00.000Z	33 \| good	6.282 \| good	12.274 \| good	18.943 \| good	1.021 \| good	6.559 \| good	0.106 \| good
2026-07-22T12:00:00.000Z	33 \| good	5.527 \| good	13.351 \| good	21.043 \| good	0.85 \| good	6.757 \| good	0.106 \| good
2026-07-22T13:00:00.000Z	38 \| good	7.316 \| good	22.515 \| good	18.288 \| good	0.643 \| good	6.893 \| good	0.111 \| good
2026-07-22T14:00:00.000Z	22 \| good	4.247 \| good	16.817 \| good	15.061 \| good	0.827 \| good	7.08 \| good	0.106 \| good
2026-07-22T15:00:00.000Z	22 \| good	3.562 \| good	15.973 \| good	16.367 \| good	0.661 \| good	6.56 \| good	0.111 \| good
2026-07-22T16:00:00.000Z	27 \| good	5.068 \| good	14.279 \| good	16.216 \| good	1.065 \| good	6.363 \| good	0.13 \| good
2026-07-22T17:00:00.000Z	33 \| good	6.204 \| good	34.408 \| good	20.57 \| good	1.511 \| good	6.381 \| good	0.158 \| good
2026-07-22T18:00:00.000Z	33 \| good	5.608 \| good	24.57 \| good	25.212 \| good	1.258 \| good	7.601 \| good	0.111 \| good
2026-07-22T19:00:00.000Z	44 \| good	7.713 \| good	30.329 \| good	26.879 \| good	1.272 \| good	7.287 \| good	0.106 \| good
2026-07-22T20:00:00.000Z	31 \| good	5.204 \| good	28.283 \| good	33.126 \| good	1.209 \| good	6.217 \| good	0.111 \| good
2026-07-22T21:00:00.000Z	34 \| good	4.223 \| good	26.583 \| good	36.656 \| good	1.028 \| good	4.891 \| good	0.106 \| good
2026-07-22T22:00:00.000Z	41 \| good	5.96 \| good	33.893 \| good	43.635 \| good	0.837 \| good	4.564 \| good	0.106 \| good
2026-07-22T23:00:00.000Z	41 \| good	6.579 \| good	21.832 \| good	43.996 \| good	0.836 \| good	4.419 \| good	0.106 \| good
2026-07-23T00:00:00.000Z	41 \| good	6.923 \| good	21.676 \| good	44.068 \| good	0.698 \| good	4.171 \| good	0.106 \| good
2026-07-23T01:00:00.000Z	43 \| good	7.304 \| good	37.263 \| good	46.378 \| good	0.643 \| good	4.321 \| good	0.106 \| good
2026-07-23T02:00:00.000Z	44 \| good	6.377 \| good	42.202 \| good	46.643 \| good	0.643 \| good	3.952 \| good	0.106 \| good
2026-07-23T03:00:00.000Z	39 \| good	4.808 \| good	20.982 \| good	42.388 \| good	0.269 \| good	1.033 \| good	0.096 \| good
2026-07-23T04:00:00.000Z	41 \| good	2.962 \| good	20.686 \| good	43.56 \| good	0.835 \| good	3.966 \| good	0.106 \| good
2026-07-23T05:00:00.000Z	40 \| good	4.902 \| good	18.607 \| good	43.068 \| good	0.887 \| good	4.31 \| good	0.106 \| good
2026-07-23T06:00:00.000Z	38 \| good	3.92 \| good	16.149 \| good	41.387 \| good	0.827 \| good	4.296 \| good	0.106 \| good
2026-07-23T07:00:00.000Z	39 \| good	5.855 \| good	21.416 \| good	42.468 \| good	0.698 \| good	2.928 \| good	0.111 \| good
2026-07-23T08:00:00.000Z	38 \| good	6.663 \| good	22.811 \| good	40.16 \| good	0.706 \| good	3.027 \| good	0.106 \| good
2026-07-23T09:00:00.000Z	32 \| good	5.137 \| good	21.279 \| good	34.627 \| good	0.704 \| good	3.319 \| good	0.111 \| good
2026-07-23T10:00:00.000Z	30 \| good	3.894 \| good	14.467 \| good	31.563 \| good	0.536 \| good	3.318 \| good	0.106 \| good
2026-07-23T11:00:00.000Z	23 \| good	4.073 \| good	13.196 \| good	25.023 \| good	0.481 \| good	3.242 \| good	0.106 \| good
2026-07-23T12:00:00.000Z	22 \| good	3.632 \| good	20.548 \| good	23.159 \| good	0.445 \| good	3.673 \| good	0.106 \| good
2026-07-23T13:00:00.000Z	19 \| good	2.612 \| good	11.889 \| good	20.024 \| good	0.436 \| good	3.642 \| good	0.111 \| good
2026-07-23T14:00:00.000Z	20 \| good	2.603 \| good	15.071 \| good	21.759 \| good	0.483 \| good	5.271 \| good	0.111 \| good
2026-07-23T15:00:00.000Z	22 \| good	3.211 \| good	19 \| good	24.37 \| good	0.592 \| good	6.783 \| good	0.115 \| good
2026-07-23T16:00:00.000Z	30 \| good	3.522 \| good	17.058 \| good	32.086 \| good	0.602 \| good	4.697 \| good	0.115 \| good
2026-07-23T17:00:00.000Z	35 \| good	4.272 \| good	30.164 \| good	37.504 \| good	0.637 \| good	4.273 \| good	0.115 \| good
2026-07-23T18:00:00.000Z	32 \| good	4.293 \| good	24.393 \| good	35.052 \| good	0.639 \| good	3.89 \| good	0.115 \| good
2026-07-23T19:00:00.000Z	33 \| good	4.356 \| good	20.662 \| good	36.227 \| good	0.719 \| good	3.934 \| good	0.115 \| good
2026-07-23T20:00:00.000Z	40 \| good	6.339 \| good	33.951 \| good	42.597 \| good	0.709 \| good	4.256 \| good	0.115 \| good
2026-07-23T20:00:00.000Z	44 \| good	8.098 \| good	36.625 \| good	40.409 \| good	0.664 \| good	5.991 \| good	0.264 \| good
2026-07-23T21:00:00.000Z	54 \| moderate	8.714 \| good	38.393 \| good	55.548 \| fine	0.402 \| good	0.54 \| good	0.101 \| good
2026-07-23T22:00:00.000Z	50 \| good	7.767 \| good	33.996 \| good	53.558 \| good	0.358 \| good	0.483 \| good	0.099 \| good
2026-07-23T23:00:00.000Z	49 \| good	6.423 \| good	28.688 \| good	52.86 \| good	0.324 \| good	0.467 \| good	0.098 \| good
2026-07-24T00:00:00.000Z	46 \| good	5.589 \| good	23.865 \| good	49.853 \| good	0.298 \| good	0.489 \| good	0.096 \| good
2026-07-24T01:00:00.000Z	45 \| good	5.437 \| good	23.131 \| good	49.155 \| good	0.282 \| good	0.569 \| good	0.095 \| good
2026-07-24T02:00:00.000Z	44 \| good	4.825 \| good	20.965 \| good	47.978 \| good	0.275 \| good	0.768 \| good	0.095 \| good
2026-07-24T03:00:00.000Z	40 \| good	5.723 \| good	24.677 \| good	43.124 \| good	0.274 \| good	1.462 \| good	0.097 \| good
2026-07-24T04:00:00.000Z	38 \| good	5.738 \| good	24.76 \| good	40.542 \| good	0.299 \| good	2.586 \| good	0.101 \| good
2026-07-24T05:00:00.000Z	34 \| good	6.189 \| good	27.444 \| good	37.047 \| good	0.326 \| good	3.553 \| good	0.106 \| good
2026-07-24T06:00:00.000Z	38 \| good	6.729 \| good	29.58 \| good	35.339 \| good	0.347 \| good	4.409 \| good	0.11 \| good
2026-07-24T07:00:00.000Z	38 \| good	6.556 \| good	29.23 \| good	33.751 \| good	0.355 \| good	4.924 \| good	0.111 \| good
2026-07-24T08:00:00.000Z	38 \| good	6.71 \| good	29.505 \| good	31.598 \| good	0.353 \| good	5.238 \| good	0.111 \| good
2026-07-24T09:00:00.000Z	33 \| good	6.082 \| good	27.107 \| good	28.424 \| good	0.35 \| good	5.468 \| good	0.109 \| good
2026-07-24T10:00:00.000Z	33 \| good	5.823 \| good	25.468 \| good	27.152 \| good	0.347 \| good	5.68 \| good	0.108 \| good
2026-07-24T11:00:00.000Z	33 \| good	5.67 \| good	25.157 \| good	24.325 \| good	0.343 \| good	5.875 \| good	0.106 \| good
2026-07-24T12:00:00.000Z	33 \| good	5.706 \| good	25.371 \| good	21.739 \| good	0.339 \| good	6.153 \| good	0.105 \| good
2026-07-24T13:00:00.000Z	33 \| good	5.766 \| good	25.334 \| good	18.936 \| good	0.334 \| good	6.202 \| good	0.104 \| good
2026-07-24T14:00:00.000Z	38 \| good	6.662 \| good	29.535 \| good	21.321 \| good	0.322 \| good	5.182 \| good	0.104 \| good
2026-07-24T15:00:00.000Z	44 \| good	8.287 \| good	36.331 \| good	28.328 \| good	0.375 \| good	3.769 \| good	0.108 \| good
2026-07-24T16:00:00.000Z	49 \| good	9.341 \| good	41.593 \| good	40.04 \| good	0.404 \| good	2.404 \| good	0.104 \| good
2026-07-24T17:00:00.000Z	52 \| moderate	10.478 \| good	46.425 \| good	49.799 \| good	0.425 \| good	2.006 \| good	0.107 \| good
2026-07-24T18:00:00.000Z	61 \| moderate	10.746 \| good	47.557 \| good	58.353 \| fine	0.424 \| good	1.42 \| good	0.107 \| good
2026-07-24T19:00:00.000Z	77 \| moderate	10.133 \| good	44.74 \| good	63.427 \| fine	0.411 \| good	0.996 \| good	0.107 \| good
2026-07-24T20:00:00.000Z	87 \| moderate	9.191 \| good	41.222 \| good	65.745 \| fine	0.387 \| good	0.734 \| good	0.106 \| good
2026-07-24T21:00:00.000Z	80 \| moderate	8.435 \| good	36.83 \| good	64.464 \| fine	0.359 \| good	0.595 \| good	0.105 \| good
2026-07-24T22:00:00.000Z	77 \| moderate	8.183 \| good	35.966 \| good	63.2 \| fine	0.326 \| good	0.526 \| good	0.104 \| good
2026-07-24T23:00:00.000Z	71 \| moderate	6.383 \| good	28.266 \| good	61.06 \| fine	0.296 \| good	0.485 \| good	0.103 \| good
2026-07-25T00:00:00.000Z	61 \| moderate	4.933 \| good	21.265 \| good	58.19 \| fine	0.276 \| good	0.502 \| good	0.102 \| good
2026-07-25T01:00:00.000Z	51 \| moderate	4.633 \| good	19.859 \| good	55.075 \| fine	0.267 \| good	0.557 \| good	0.1 \| good
2026-07-25T02:00:00.000Z	49 \| good	4.177 \| good	18.472 \| good	53.371 \| good	0.266 \| good	0.747 \| good	0.099 \| good
2026-07-25T03:00:00.000Z	47 \| good	5.482 \| good	23.587 \| good	51.463 \| good	0.27 \| good	1.241 \| good	0.099 \| good
2026-07-25T04:00:00.000Z	45 \| good	5.316 \| good	22.718 \| good	49.171 \| good	0.292 \| good	1.904 \| good	0.1 \| good
2026-07-25T05:00:00.000Z	43 \| good	5.519 \| good	23.755 \| good	46.322 \| good	0.31 \| good	2.831 \| good	0.103 \| good
2026-07-25T06:00:00.000Z	40 \| good	5.675 \| good	24.497 \| good	42.687 \| good	0.327 \| good	3.762 \| good	0.108 \| good
2026-07-25T07:00:00.000Z	35 \| good	6.129 \| good	27.293 \| good	38.2 \| good	0.33 \| good	4.249 \| good	0.111 \| good
2026-07-25T08:00:00.000Z	33 \| good	6.369 \| good	28.76 \| good	34.501 \| good	0.324 \| good	4.551 \| good	0.112 \| good
2026-07-25T09:00:00.000Z	33 \| good	6.093 \| good	27.063 \| good	32.152 \| good	0.316 \| good	4.847 \| good	0.113 \| good
2026-07-25T10:00:00.000Z	33 \| good	5.75 \| good	24.935 \| good	29.618 \| good	0.311 \| good	5.085 \| good	0.113 \| good
2026-07-25T11:00:00.000Z	33 \| good	5.796 \| good	25.176 \| good	26.41 \| good	0.312 \| good	5.198 \| good	0.113 \| good
2026-07-25T12:00:00.000Z	33 \| good	5.767 \| good	25.095 \| good	22.814 \| good	0.311 \| good	5.303 \| good	0.112 \| good
2026-07-25T13:00:00.000Z	38 \| good	6.514 \| good	29.062 \| good	21.462 \| good	0.306 \| good	5.373 \| good	0.112 \| good
2026-07-25T14:00:00.000Z	38 \| good	6.908 \| good	30.268 \| good	22.892 \| good	0.295 \| good	4.635 \| good	0.112 \| good
2026-07-25T15:00:00.000Z	44 \| good	8.316 \| good	36.638 \| good	28.884 \| good	0.334 \| good	3.25 \| good	0.112 \| good
2026-07-25T16:00:00.000Z	49 \| good	8.879 \| good	39.316 \| good	38.997 \| good	0.373 \| good	2.1 \| good	0.108 \| good
2026-07-25T17:00:00.000Z	49 \| good	9.293 \| good	41.448 \| good	47.235 \| good	0.394 \| good	1.691 \| good	0.108 \| good
2026-07-25T18:00:00.000Z	54 \| moderate	9.499 \| good	42.635 \| good	56.288 \| fine	0.395 \| good	1.228 \| good	0.108 \| good
2026-07-25T19:00:00.000Z	74 \| moderate	8.885 \| good	38.921 \| good	62.22 \| fine	0.376 \| good	0.858 \| good	0.107 \| good
2026-07-25T20:00:00.000Z	80 \| moderate	7.816 \| good	34.497 \| good	63.696 \| fine	0.345 \| good	0.636 \| good	0.105 \| 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
Arcata, California	24 Good	3.35μg/m³ Good	15.28μg/m³ Good	26.44ppb Good	0.53ppb Good	2.57ppb Good	0.28ppm Good
ArdenArcade, California	34 Good	3.88μg/m³ Good	16.83μg/m³ Good	36.89ppb Good	0.57ppb Good	4.83ppb Good	0.27ppm Good
Arvin, California	49 Good	8.92μg/m³ Good	37.33μg/m³ Good	41.63ppb Good	0.79ppb Good	4.37ppb Good	0.23ppm Good
Albany, California	23 Good	3.55μg/m³ Good	14.84μg/m³ Good	25.22ppb Good	0.35ppb Good	5.42ppb Good	0.32ppm Good
Anderson, California	43 Good	6.94μg/m³ Good	31.43μg/m³ Good	46.24ppb Good	0.54ppb Good	3.36ppb Good	0.24ppm Good
Arroyo Grande, California	66 Moderate	17.23μg/m³ Fine	72.57μg/m³ Fine	27.03ppb Good	0.78ppb Good	1.17ppb Good	0.17ppm Good
Atascadero, California	31 Good	2.83μg/m³ Good	16.32μg/m³ Good	33.86ppb Good	0.60ppb Good	1.42ppb Good	0.14ppm Good
Avenal, California	33 Good	4.49μg/m³ Good	22.93μg/m³ Good	36.37ppb Good	0.65ppb Good	3.89ppb Good	0.13ppm Good
Citrus, California	74 Moderate	12.63μg/m³ Fine	59.88μg/m³ Fine	61.71ppb Fine	0.77ppb Good	7.99ppb Good	0.30ppm Good
Bellflower, California	56 Moderate	11.70μg/m³ Good	51.07μg/m³ Good	32.79ppb Good	0.84ppb Good	10.86ppb Good	0.31ppm Good
Belmont, California	24 Good	4.03μg/m³ Good	17.53μg/m³ Good	25.91ppb Good	0.43ppb Good	2.26ppb Good	0.29ppm Good
Big Bear City, California	44 Good	5.73μg/m³ Good	25.13μg/m³ Good	47.43ppb Good	0.68ppb Good	3.17ppb Good	0.28ppm Good
Bloomington, California	90 Moderate	13.96μg/m³ Fine	56.41μg/m³ Fine	66.91ppb Fine	0.62ppb Good	10.94ppb Good	0.24ppm Good
Alameda, California	24 Good	3.11μg/m³ Good	13.02μg/m³ Good	26.36ppb Good	0.27ppb Good	3.72ppb Good	0.36ppm Good
Alhambra, California	62 Moderate	14.99μg/m³ Fine	55.64μg/m³ Fine	55.09ppb Fine	0.83ppb Good	12.00ppb Good	0.30ppm Good
Alpine, California	54 Moderate	5.41μg/m³ Good	23.03μg/m³ Good	55.96ppb Fine	0.64ppb Good	11.34ppb Good	0.29ppm Good
Apple Valley, California	74 Moderate	6.78μg/m³ Good	30.23μg/m³ Good	62.08ppb Fine	0.69ppb Good	4.48ppb Good	0.28ppm Good
Arcadia, California	60 Moderate	13.84μg/m³ Fine	55.04μg/m³ Fine	54.93ppb Fine	0.81ppb Good	10.43ppb Good	0.31ppm Good
Banning, California	77 Moderate	3.49μg/m³ Good	15.08μg/m³ Good	62.77ppb Fine	0.67ppb Good	2.23ppb Good	0.28ppm Good
Bay Point, California	30 Good	3.10μg/m³ Good	13.76μg/m³ Good	31.54ppb Good	0.52ppb Good	1.93ppb Good	0.15ppm Good
Bell, California	66 Moderate	16.70μg/m³ Fine	72.66μg/m³ Fine	49.15ppb Good	0.86ppb Good	10.76ppb Good	0.30ppm Good
Ashland, California	27 Good	3.56μg/m³ Good	15.69μg/m³ Good	29.32ppb Good	0.42ppb Good	2.21ppb Good	0.29ppm Good
Avocado Heights, California	58 Moderate	12.58μg/m³ Fine	60.56μg/m³ Fine	51.57ppb Good	0.79ppb Good	7.83ppb Good	0.31ppm Good
Alum Rock, California	38 Good	7.24μg/m³ Good	31.71μg/m³ Good	35.75ppb Good	0.51ppb Good	2.50ppb Good	0.11ppm Good
Artesia, California	54 Moderate	11.50μg/m³ Good	55.44μg/m³ Fine	34.19ppb Good	0.84ppb Good	9.40ppb Good	0.32ppm Good
Benicia, California	25 Good	4.34μg/m³ Good	18.92μg/m³ Good	26.60ppb Good	0.48ppb Good	3.20ppb Good	0.29ppm Good
Berkeley, California	23 Good	3.28μg/m³ Good	13.63μg/m³ Good	25.29ppb Good	0.33ppb Good	5.27ppb Good	0.33ppm Good
Adelanto, California	74 Moderate	7.09μg/m³ Good	31.22μg/m³ Good	62.25ppb Fine	0.71ppb Good	4.93ppb Good	0.28ppm Good
Agoura Hills, California	38 Good	5.94μg/m³ Good	27.85μg/m³ Good	41.46ppb Good	0.80ppb Good	4.50ppb Good	0.29ppm Good
Alamo, California	29 Good	2.97μg/m³ Good	12.87μg/m³ Good	31.34ppb Good	0.46ppb Good	2.17ppb Good	0.17ppm Good
Aliso Viejo, California	56 Moderate	11.72μg/m³ Good	35.82μg/m³ Good	50.33ppb Good	0.72ppb Good	7.14ppb Good	0.31ppm Good
Anaheim, California	60 Moderate	13.53μg/m³ Fine	68.70μg/m³ Fine	43.75ppb Good	0.79ppb Good	9.64ppb Good	0.39ppm Good
Antelope, California	31 Good	4.05μg/m³ Good	12.32μg/m³ Good	33.10ppb Good	0.57ppb Good	4.65ppb Good	0.27ppm Good
Antioch, California	29 Good	3.90μg/m³ Good	24.15μg/m³ Good	31.45ppb Good	0.61ppb Good	2.78ppb Good	0.22ppm Good
Bakersfield, California	52 Moderate	10.46μg/m³ Good	48.06μg/m³ Good	43.82ppb Good	0.79ppb Good	9.60ppb Good	0.20ppm Good
Baldwin Park, California	64 Moderate	16.05μg/m³ Fine	64.61μg/m³ Fine	56.02ppb Fine	0.80ppb Good	7.11ppb Good	0.31ppm Good
American Canyon, California	24 Good	3.77μg/m³ Good	16.37μg/m³ Good	25.87ppb Good	0.47ppb Good	3.44ppb Good	0.30ppm Good
Atwater, California	31 Good	3.75μg/m³ Good	22.38μg/m³ Good	33.06ppb Good	0.61ppb Good	3.51ppb Good	0.14ppm Good
Azusa, California	74 Moderate	12.63μg/m³ Fine	59.88μg/m³ Fine	61.71ppb Fine	0.77ppb Good	7.99ppb Good	0.30ppm Good
Barstow, California	46 Good	5.79μg/m³ Good	26.65μg/m³ Good	50.00ppb Good	0.70ppb Good	3.69ppb Good	0.28ppm Good
Auburn, California	52 Moderate	10.38μg/m³ Good	17.20μg/m³ Good	41.26ppb Good	0.57ppb Good	3.56ppb Good	0.25ppm Good
Beaumont, California	61 Moderate	6.32μg/m³ Good	30.08μg/m³ Good	57.91ppb Fine	0.67ppb Good	3.43ppb Good	0.27ppm Good
Bell Gardens, California	62 Moderate	15.46μg/m³ Fine	68.97μg/m³ Fine	47.95ppb Good	0.83ppb Good	9.72ppb Good	0.31ppm Good
Beverly Hills, California	56 Moderate	11.78μg/m³ Good	41.10μg/m³ Good	41.07ppb Good	0.84ppb Good	7.81ppb Good	0.30ppm Good
Blackhawk, California	31 Good	3.33μg/m³ Good	12.73μg/m³ Good	32.56ppb Good	0.52ppb Good	2.77ppb Good	0.22ppm Good
Burbank city, California	60 Moderate	14.21μg/m³ Fine	59.92μg/m³ Fine	53.55ppb Good	0.84ppb Good	10.51ppb Good	0.30ppm Good
Camp Pendleton South, California	44 Good	8.28μg/m³ Good	25.96μg/m³ Good	30.39ppb Good	0.69ppb Good	4.45ppb Good	0.29ppm Good
Carson, California	56 Moderate	12.45μg/m³ Fine	53.70μg/m³ Good	31.63ppb Good	0.86ppb Good	11.80ppb Good	0.31ppm Good
Ceres, California	31 Good	4.50μg/m³ Good	19.60μg/m³ Good	32.93ppb Good	0.59ppb Good	2.83ppb Good	0.18ppm Good
Cherryland, California	28 Good	3.48μg/m³ Good	16.17μg/m³ Good	29.68ppb Good	0.46ppb Good	2.19ppb Good	0.26ppm Good

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

0.23ppm

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 02:00:00 on 2026-07-23.

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 01:00:00 on 2026-07-23.

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 8.098 μg/m³.

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

The PM₁₀ concentration in California, USA is 36.625 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 0.264 ppm.

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

Currently, California, USA has a sulfur dioxide (SO₂) concentration of 0.664 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 40.409 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 5.991 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-07-21T21:00:00.000Z	54 \| moderate	10.729 \| good	28.561 \| good	42.924 \| good	1.291 \| good	7.491 \| good	0.152 \| good
2026-07-21T22:00:00.000Z	44 \| good	3.738 \| good	13.881 \| good	46.949 \| good	0.827 \| good	6.731 \| good	0.117 \| good
2026-07-21T23:00:00.000Z	47 \| good	4.538 \| good	21.411 \| good	50.626 \| good	0.758 \| good	3.675 \| good	0.111 \| good
2026-07-22T00:00:00.000Z	51 \| moderate	5.327 \| good	20.853 \| good	54.828 \| good	0.765 \| good	2.941 \| good	0.119 \| good
2026-07-22T01:00:00.000Z	50 \| good	6.001 \| good	25.666 \| good	54.463 \| good	0.837 \| good	2.845 \| good	0.111 \| good
2026-07-22T02:00:00.000Z	44 \| good	5.075 \| good	18.992 \| good	47.148 \| good	0.823 \| good	2.435 \| good	0.106 \| good
2026-07-22T03:00:00.000Z	42 \| good	5.096 \| good	21.37 \| good	45.258 \| good	0.782 \| good	4.452 \| good	0.106 \| good
2026-07-22T04:00:00.000Z	39 \| good	5.104 \| good	21.647 \| good	41.895 \| good	0.83 \| good	6.177 \| good	0.106 \| good
2026-07-22T05:00:00.000Z	38 \| good	6.517 \| good	30.27 \| good	38.346 \| good	0.877 \| good	8.95 \| good	0.151 \| good
2026-07-22T06:00:00.000Z	38 \| good	7.413 \| good	33.979 \| good	32.652 \| good	0.934 \| good	9.743 \| good	0.186 \| good
2026-07-22T07:00:00.000Z	44 \| good	7.971 \| good	40.31 \| good	26.87 \| good	0.991 \| good	9.901 \| good	0.186 \| good
2026-07-22T08:00:00.000Z	44 \| good	7.551 \| good	26.578 \| good	20.368 \| good	0.88 \| good	8.872 \| good	0.151 \| good
2026-07-22T09:00:00.000Z	33 \| good	6.343 \| good	18.177 \| good	24.03 \| good	0.74 \| good	6.233 \| good	0.106 \| good
2026-07-22T10:00:00.000Z	33 \| good	6.436 \| good	14.322 \| good	20.055 \| good	0.748 \| good	6.973 \| good	0.106 \| good
2026-07-22T11:00:00.000Z	33 \| good	6.282 \| good	12.274 \| good	18.943 \| good	1.021 \| good	6.559 \| good	0.106 \| good
2026-07-22T12:00:00.000Z	33 \| good	5.527 \| good	13.351 \| good	21.043 \| good	0.85 \| good	6.757 \| good	0.106 \| good
2026-07-22T13:00:00.000Z	38 \| good	7.316 \| good	22.515 \| good	18.288 \| good	0.643 \| good	6.893 \| good	0.111 \| good
2026-07-22T14:00:00.000Z	22 \| good	4.247 \| good	16.817 \| good	15.061 \| good	0.827 \| good	7.08 \| good	0.106 \| good
2026-07-22T15:00:00.000Z	22 \| good	3.562 \| good	15.973 \| good	16.367 \| good	0.661 \| good	6.56 \| good	0.111 \| good
2026-07-22T16:00:00.000Z	27 \| good	5.068 \| good	14.279 \| good	16.216 \| good	1.065 \| good	6.363 \| good	0.13 \| good
2026-07-22T17:00:00.000Z	33 \| good	6.204 \| good	34.408 \| good	20.57 \| good	1.511 \| good	6.381 \| good	0.158 \| good
2026-07-22T18:00:00.000Z	33 \| good	5.608 \| good	24.57 \| good	25.212 \| good	1.258 \| good	7.601 \| good	0.111 \| good
2026-07-22T19:00:00.000Z	44 \| good	7.713 \| good	30.329 \| good	26.879 \| good	1.272 \| good	7.287 \| good	0.106 \| good
2026-07-22T20:00:00.000Z	31 \| good	5.204 \| good	28.283 \| good	33.126 \| good	1.209 \| good	6.217 \| good	0.111 \| good
2026-07-22T21:00:00.000Z	34 \| good	4.223 \| good	26.583 \| good	36.656 \| good	1.028 \| good	4.891 \| good	0.106 \| good
2026-07-22T22:00:00.000Z	41 \| good	5.96 \| good	33.893 \| good	43.635 \| good	0.837 \| good	4.564 \| good	0.106 \| good
2026-07-22T23:00:00.000Z	41 \| good	6.579 \| good	21.832 \| good	43.996 \| good	0.836 \| good	4.419 \| good	0.106 \| good
2026-07-23T00:00:00.000Z	41 \| good	6.923 \| good	21.676 \| good	44.068 \| good	0.698 \| good	4.171 \| good	0.106 \| good
2026-07-23T01:00:00.000Z	43 \| good	7.304 \| good	37.263 \| good	46.378 \| good	0.643 \| good	4.321 \| good	0.106 \| good
2026-07-23T02:00:00.000Z	44 \| good	6.377 \| good	42.202 \| good	46.643 \| good	0.643 \| good	3.952 \| good	0.106 \| good
2026-07-23T03:00:00.000Z	39 \| good	4.808 \| good	20.982 \| good	42.388 \| good	0.269 \| good	1.033 \| good	0.096 \| good
2026-07-23T04:00:00.000Z	41 \| good	2.962 \| good	20.686 \| good	43.56 \| good	0.835 \| good	3.966 \| good	0.106 \| good
2026-07-23T05:00:00.000Z	40 \| good	4.902 \| good	18.607 \| good	43.068 \| good	0.887 \| good	4.31 \| good	0.106 \| good
2026-07-23T06:00:00.000Z	38 \| good	3.92 \| good	16.149 \| good	41.387 \| good	0.827 \| good	4.296 \| good	0.106 \| good
2026-07-23T07:00:00.000Z	39 \| good	5.855 \| good	21.416 \| good	42.468 \| good	0.698 \| good	2.928 \| good	0.111 \| good
2026-07-23T08:00:00.000Z	38 \| good	6.663 \| good	22.811 \| good	40.16 \| good	0.706 \| good	3.027 \| good	0.106 \| good
2026-07-23T09:00:00.000Z	32 \| good	5.137 \| good	21.279 \| good	34.627 \| good	0.704 \| good	3.319 \| good	0.111 \| good
2026-07-23T10:00:00.000Z	30 \| good	3.894 \| good	14.467 \| good	31.563 \| good	0.536 \| good	3.318 \| good	0.106 \| good
2026-07-23T11:00:00.000Z	23 \| good	4.073 \| good	13.196 \| good	25.023 \| good	0.481 \| good	3.242 \| good	0.106 \| good
2026-07-23T12:00:00.000Z	22 \| good	3.632 \| good	20.548 \| good	23.159 \| good	0.445 \| good	3.673 \| good	0.106 \| good
2026-07-23T13:00:00.000Z	19 \| good	2.612 \| good	11.889 \| good	20.024 \| good	0.436 \| good	3.642 \| good	0.111 \| good
2026-07-23T14:00:00.000Z	20 \| good	2.603 \| good	15.071 \| good	21.759 \| good	0.483 \| good	5.271 \| good	0.111 \| good
2026-07-23T15:00:00.000Z	22 \| good	3.211 \| good	19 \| good	24.37 \| good	0.592 \| good	6.783 \| good	0.115 \| good
2026-07-23T16:00:00.000Z	30 \| good	3.522 \| good	17.058 \| good	32.086 \| good	0.602 \| good	4.697 \| good	0.115 \| good
2026-07-23T17:00:00.000Z	35 \| good	4.272 \| good	30.164 \| good	37.504 \| good	0.637 \| good	4.273 \| good	0.115 \| good
2026-07-23T18:00:00.000Z	32 \| good	4.293 \| good	24.393 \| good	35.052 \| good	0.639 \| good	3.89 \| good	0.115 \| good
2026-07-23T19:00:00.000Z	33 \| good	4.356 \| good	20.662 \| good	36.227 \| good	0.719 \| good	3.934 \| good	0.115 \| good
2026-07-23T20:00:00.000Z	40 \| good	6.339 \| good	33.951 \| good	42.597 \| good	0.709 \| good	4.256 \| good	0.115 \| good
2026-07-23T20:00:00.000Z	44 \| good	8.098 \| good	36.625 \| good	40.409 \| good	0.664 \| good	5.991 \| good	0.264 \| good
2026-07-23T21:00:00.000Z	54 \| moderate	8.714 \| good	38.393 \| good	55.548 \| fine	0.402 \| good	0.54 \| good	0.101 \| good
2026-07-23T22:00:00.000Z	50 \| good	7.767 \| good	33.996 \| good	53.558 \| good	0.358 \| good	0.483 \| good	0.099 \| good
2026-07-23T23:00:00.000Z	49 \| good	6.423 \| good	28.688 \| good	52.86 \| good	0.324 \| good	0.467 \| good	0.098 \| good
2026-07-24T00:00:00.000Z	46 \| good	5.589 \| good	23.865 \| good	49.853 \| good	0.298 \| good	0.489 \| good	0.096 \| good
2026-07-24T01:00:00.000Z	45 \| good	5.437 \| good	23.131 \| good	49.155 \| good	0.282 \| good	0.569 \| good	0.095 \| good
2026-07-24T02:00:00.000Z	44 \| good	4.825 \| good	20.965 \| good	47.978 \| good	0.275 \| good	0.768 \| good	0.095 \| good
2026-07-24T03:00:00.000Z	40 \| good	5.723 \| good	24.677 \| good	43.124 \| good	0.274 \| good	1.462 \| good	0.097 \| good
2026-07-24T04:00:00.000Z	38 \| good	5.738 \| good	24.76 \| good	40.542 \| good	0.299 \| good	2.586 \| good	0.101 \| good
2026-07-24T05:00:00.000Z	34 \| good	6.189 \| good	27.444 \| good	37.047 \| good	0.326 \| good	3.553 \| good	0.106 \| good
2026-07-24T06:00:00.000Z	38 \| good	6.729 \| good	29.58 \| good	35.339 \| good	0.347 \| good	4.409 \| good	0.11 \| good
2026-07-24T07:00:00.000Z	38 \| good	6.556 \| good	29.23 \| good	33.751 \| good	0.355 \| good	4.924 \| good	0.111 \| good
2026-07-24T08:00:00.000Z	38 \| good	6.71 \| good	29.505 \| good	31.598 \| good	0.353 \| good	5.238 \| good	0.111 \| good
2026-07-24T09:00:00.000Z	33 \| good	6.082 \| good	27.107 \| good	28.424 \| good	0.35 \| good	5.468 \| good	0.109 \| good
2026-07-24T10:00:00.000Z	33 \| good	5.823 \| good	25.468 \| good	27.152 \| good	0.347 \| good	5.68 \| good	0.108 \| good
2026-07-24T11:00:00.000Z	33 \| good	5.67 \| good	25.157 \| good	24.325 \| good	0.343 \| good	5.875 \| good	0.106 \| good
2026-07-24T12:00:00.000Z	33 \| good	5.706 \| good	25.371 \| good	21.739 \| good	0.339 \| good	6.153 \| good	0.105 \| good
2026-07-24T13:00:00.000Z	33 \| good	5.766 \| good	25.334 \| good	18.936 \| good	0.334 \| good	6.202 \| good	0.104 \| good
2026-07-24T14:00:00.000Z	38 \| good	6.662 \| good	29.535 \| good	21.321 \| good	0.322 \| good	5.182 \| good	0.104 \| good
2026-07-24T15:00:00.000Z	44 \| good	8.287 \| good	36.331 \| good	28.328 \| good	0.375 \| good	3.769 \| good	0.108 \| good
2026-07-24T16:00:00.000Z	49 \| good	9.341 \| good	41.593 \| good	40.04 \| good	0.404 \| good	2.404 \| good	0.104 \| good
2026-07-24T17:00:00.000Z	52 \| moderate	10.478 \| good	46.425 \| good	49.799 \| good	0.425 \| good	2.006 \| good	0.107 \| good
2026-07-24T18:00:00.000Z	61 \| moderate	10.746 \| good	47.557 \| good	58.353 \| fine	0.424 \| good	1.42 \| good	0.107 \| good
2026-07-24T19:00:00.000Z	77 \| moderate	10.133 \| good	44.74 \| good	63.427 \| fine	0.411 \| good	0.996 \| good	0.107 \| good
2026-07-24T20:00:00.000Z	87 \| moderate	9.191 \| good	41.222 \| good	65.745 \| fine	0.387 \| good	0.734 \| good	0.106 \| good
2026-07-24T21:00:00.000Z	80 \| moderate	8.435 \| good	36.83 \| good	64.464 \| fine	0.359 \| good	0.595 \| good	0.105 \| good
2026-07-24T22:00:00.000Z	77 \| moderate	8.183 \| good	35.966 \| good	63.2 \| fine	0.326 \| good	0.526 \| good	0.104 \| good
2026-07-24T23:00:00.000Z	71 \| moderate	6.383 \| good	28.266 \| good	61.06 \| fine	0.296 \| good	0.485 \| good	0.103 \| good
2026-07-25T00:00:00.000Z	61 \| moderate	4.933 \| good	21.265 \| good	58.19 \| fine	0.276 \| good	0.502 \| good	0.102 \| good
2026-07-25T01:00:00.000Z	51 \| moderate	4.633 \| good	19.859 \| good	55.075 \| fine	0.267 \| good	0.557 \| good	0.1 \| good
2026-07-25T02:00:00.000Z	49 \| good	4.177 \| good	18.472 \| good	53.371 \| good	0.266 \| good	0.747 \| good	0.099 \| good
2026-07-25T03:00:00.000Z	47 \| good	5.482 \| good	23.587 \| good	51.463 \| good	0.27 \| good	1.241 \| good	0.099 \| good
2026-07-25T04:00:00.000Z	45 \| good	5.316 \| good	22.718 \| good	49.171 \| good	0.292 \| good	1.904 \| good	0.1 \| good
2026-07-25T05:00:00.000Z	43 \| good	5.519 \| good	23.755 \| good	46.322 \| good	0.31 \| good	2.831 \| good	0.103 \| good
2026-07-25T06:00:00.000Z	40 \| good	5.675 \| good	24.497 \| good	42.687 \| good	0.327 \| good	3.762 \| good	0.108 \| good
2026-07-25T07:00:00.000Z	35 \| good	6.129 \| good	27.293 \| good	38.2 \| good	0.33 \| good	4.249 \| good	0.111 \| good
2026-07-25T08:00:00.000Z	33 \| good	6.369 \| good	28.76 \| good	34.501 \| good	0.324 \| good	4.551 \| good	0.112 \| good
2026-07-25T09:00:00.000Z	33 \| good	6.093 \| good	27.063 \| good	32.152 \| good	0.316 \| good	4.847 \| good	0.113 \| good
2026-07-25T10:00:00.000Z	33 \| good	5.75 \| good	24.935 \| good	29.618 \| good	0.311 \| good	5.085 \| good	0.113 \| good
2026-07-25T11:00:00.000Z	33 \| good	5.796 \| good	25.176 \| good	26.41 \| good	0.312 \| good	5.198 \| good	0.113 \| good
2026-07-25T12:00:00.000Z	33 \| good	5.767 \| good	25.095 \| good	22.814 \| good	0.311 \| good	5.303 \| good	0.112 \| good
2026-07-25T13:00:00.000Z	38 \| good	6.514 \| good	29.062 \| good	21.462 \| good	0.306 \| good	5.373 \| good	0.112 \| good
2026-07-25T14:00:00.000Z	38 \| good	6.908 \| good	30.268 \| good	22.892 \| good	0.295 \| good	4.635 \| good	0.112 \| good
2026-07-25T15:00:00.000Z	44 \| good	8.316 \| good	36.638 \| good	28.884 \| good	0.334 \| good	3.25 \| good	0.112 \| good
2026-07-25T16:00:00.000Z	49 \| good	8.879 \| good	39.316 \| good	38.997 \| good	0.373 \| good	2.1 \| good	0.108 \| good
2026-07-25T17:00:00.000Z	49 \| good	9.293 \| good	41.448 \| good	47.235 \| good	0.394 \| good	1.691 \| good	0.108 \| good
2026-07-25T18:00:00.000Z	54 \| moderate	9.499 \| good	42.635 \| good	56.288 \| fine	0.395 \| good	1.228 \| good	0.108 \| good
2026-07-25T19:00:00.000Z	74 \| moderate	8.885 \| good	38.921 \| good	62.22 \| fine	0.376 \| good	0.858 \| good	0.107 \| good
2026-07-25T20:00:00.000Z	80 \| moderate	7.816 \| good	34.497 \| good	63.696 \| fine	0.345 \| good	0.636 \| good	0.105 \| 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?