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

The PM10 concentration in California, USA is 26.659 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 0.593 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 41.828 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 3.478 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)

6.63 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

25.15 μg/m³

155

255

425

605+

Ozone (O₃)

37.17 ppb

201

201+

Sulfur Dioxide (SO₂)

0.51 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.95 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 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
2025-07-18T06:00:00.000Z	54 \| moderate	10.832 \| good	51.276 \| good	47.006 \| good	0.728 \| good	9.088 \| good	0.151 \| good
2025-07-18T07:00:00.000Z	49 \| good	9.034 \| good	29.444 \| good	42.236 \| good	0.898 \| good	7.713 \| good	0.151 \| good
2025-07-18T08:00:00.000Z	54 \| moderate	10.682 \| good	43.238 \| good	42.135 \| good	0.904 \| good	6.386 \| good	0.142 \| good
2025-07-18T09:00:00.000Z	49 \| good	9.452 \| good	36.542 \| good	37.018 \| good	0.771 \| good	5.764 \| good	0.142 \| good
2025-07-18T10:00:00.000Z	38 \| good	7.471 \| good	37.569 \| good	31.909 \| good	0.536 \| good	6.493 \| good	0.1 \| good
2025-07-18T11:00:00.000Z	38 \| good	7.368 \| good	21.434 \| good	31.135 \| good	0.466 \| good	6.929 \| good	0.142 \| good
2025-07-18T12:00:00.000Z	33 \| good	6.301 \| good	25.443 \| good	30.107 \| good	0.4 \| good	8.6 \| good	0.142 \| good
2025-07-18T13:00:00.000Z	27 \| good	4.753 \| good	21.688 \| good	28.654 \| good	0.36 \| good	9.091 \| good	0.142 \| good
2025-07-18T14:00:00.000Z	27 \| good	5.494 \| good	24.923 \| good	22.732 \| good	0.338 \| good	7.062 \| good	0.168 \| good
2025-07-18T15:00:00.000Z	23 \| good	2.359 \| good	21.8 \| good	24.906 \| good	0.398 \| good	8.296 \| good	0.168 \| good
2025-07-18T16:00:00.000Z	27 \| good	4.532 \| good	27.932 \| good	22.919 \| good	0.557 \| good	6.834 \| good	0.168 \| good
2025-07-18T17:00:00.000Z	27 \| good	4.904 \| good	25.723 \| good	27.052 \| good	0.688 \| good	7.636 \| good	0.159 \| good
2025-07-18T18:00:00.000Z	38 \| good	6.666 \| good	28.833 \| good	29.595 \| good	0.751 \| good	7.692 \| good	0.193 \| good
2025-07-18T19:00:00.000Z	38 \| good	7.307 \| good	29.168 \| good	34.346 \| good	0.747 \| good	7.218 \| good	0.183 \| good
2025-07-18T20:00:00.000Z	44 \| good	7.689 \| good	27.934 \| good	47.547 \| good	0.948 \| good	6.997 \| good	0.158 \| good
2025-07-18T21:00:00.000Z	56 \| moderate	10.14 \| good	65.171 \| fine	46.995 \| good	1.004 \| good	6.258 \| good	0.151 \| good
2025-07-18T22:00:00.000Z	49 \| good	9.196 \| good	35.182 \| good	50 \| good	1.067 \| good	6.099 \| good	0.151 \| good
2025-07-18T23:00:00.000Z	49 \| good	8.621 \| good	35.562 \| good	53.189 \| good	1.011 \| good	5.315 \| good	0.151 \| good
2025-07-19T00:00:00.000Z	50 \| good	7.808 \| good	30.058 \| good	54.044 \| good	0.938 \| good	4.976 \| good	0.151 \| good
2025-07-19T01:00:00.000Z	54 \| moderate	8.455 \| good	23.573 \| good	55.552 \| fine	0.948 \| good	4.907 \| good	0.151 \| good
2025-07-19T02:00:00.000Z	54 \| moderate	7.019 \| good	27.653 \| good	56.066 \| fine	0.683 \| good	5.207 \| good	0.151 \| good
2025-07-19T03:00:00.000Z	51 \| moderate	7.903 \| good	36.416 \| good	54.632 \| good	0.809 \| good	5.307 \| good	0.158 \| good
2025-07-19T04:00:00.000Z	49 \| good	7.099 \| good	27.387 \| good	52.731 \| good	0.846 \| good	5.156 \| good	0.151 \| good
2025-07-19T05:00:00.000Z	47 \| good	5.77 \| good	30.901 \| good	50.762 \| good	0.838 \| good	5.994 \| good	0.191 \| good
2025-07-19T06:00:00.000Z	45 \| good	6.664 \| good	26.21 \| good	48.982 \| good	0.847 \| good	6.147 \| good	0.166 \| good
2025-07-19T07:00:00.000Z	52 \| moderate	9.557 \| good	48.368 \| good	45.538 \| good	0.783 \| good	4.533 \| good	0.167 \| good
2025-07-19T08:00:00.000Z	44 \| good	7.717 \| good	33.889 \| good	39.234 \| good	0.72 \| good	5.334 \| good	0.166 \| good
2025-07-19T09:00:00.000Z	38 \| good	6.958 \| good	24.429 \| good	36.795 \| good	0.72 \| good	4.711 \| good	0.158 \| good
2025-07-19T10:00:00.000Z	38 \| good	7.261 \| good	30.744 \| good	35.632 \| good	0.345 \| good	4.802 \| good	0.151 \| good
2025-07-19T11:00:00.000Z	49 \| good	9.234 \| good	25.604 \| good	30.423 \| good	0.268 \| good	6.119 \| good	0.108 \| good
2025-07-19T12:00:00.000Z	33 \| good	6.383 \| good	23.626 \| good	29.336 \| good	0.213 \| good	7.19 \| good	0.151 \| good
2025-07-19T13:00:00.000Z	28 \| good	5.152 \| good	13.738 \| good	29.585 \| good	0.403 \| good	7.279 \| good	0.151 \| good
2025-07-19T14:00:00.000Z	38 \| good	6.775 \| good	23.631 \| good	26.75 \| good	0.253 \| good	6.003 \| good	0.11 \| good
2025-07-19T15:00:00.000Z	27 \| good	5.432 \| good	25.598 \| good	26.195 \| good	0.43 \| good	8.559 \| good	0.151 \| good
2025-07-19T16:00:00.000Z	33 \| good	6.132 \| good	24.047 \| good	33.056 \| good	0.467 \| good	7.214 \| good	0.151 \| good
2025-07-19T17:00:00.000Z	33 \| good	6.101 \| good	29.635 \| good	30.439 \| good	0.611 \| good	6.222 \| good	0.151 \| good
2025-07-19T18:00:00.000Z	35 \| good	5.892 \| good	25.607 \| good	37.736 \| good	0.675 \| good	6.182 \| good	0.151 \| good
2025-07-19T19:00:00.000Z	40 \| good	7.178 \| good	34.381 \| good	43.038 \| good	0.664 \| good	5.416 \| good	0.151 \| good
2025-07-19T20:00:00.000Z	44 \| good	6.612 \| good	27.387 \| good	46.721 \| good	0.673 \| good	5.107 \| good	0.151 \| good
2025-07-19T21:00:00.000Z	49 \| good	8.217 \| good	39.199 \| good	52.57 \| good	0.755 \| good	4.794 \| good	0.183 \| good
2025-07-19T22:00:00.000Z	61 \| moderate	7.538 \| good	33.442 \| good	57.872 \| fine	0.829 \| good	4.423 \| good	0.183 \| good
2025-07-19T23:00:00.000Z	64 \| moderate	8.636 \| good	34.569 \| good	58.998 \| fine	0.881 \| good	4.273 \| good	0.183 \| good
2025-07-20T00:00:00.000Z	54 \| moderate	7.822 \| good	33.721 \| good	55.726 \| fine	0.735 \| good	3.862 \| good	0.151 \| good
2025-07-20T01:00:00.000Z	58 \| moderate	9.135 \| good	31.584 \| good	57.17 \| fine	0.818 \| good	3.955 \| good	0.151 \| good
2025-07-20T02:00:00.000Z	58 \| moderate	6.996 \| good	31.464 \| good	57.272 \| fine	0.736 \| good	3.941 \| good	0.151 \| good
2025-07-20T03:00:00.000Z	54 \| moderate	7.804 \| good	33.694 \| good	55.918 \| fine	0.736 \| good	4.217 \| good	0.183 \| good
2025-07-20T04:00:00.000Z	54 \| moderate	6.526 \| good	26.33 \| good	55.528 \| fine	0.718 \| good	4.629 \| good	0.183 \| good
2025-07-20T05:00:00.000Z	38 \| good	6.629 \| good	25.151 \| good	37.173 \| good	0.51 \| good	3.951 \| good	0.198 \| good
2025-07-20T02:00:00.000Z	54 \| moderate	8.541 \| good	37.561 \| good	55.639 \| fine	0.426 \| good	1.757 \| good	0.146 \| good
2025-07-20T03:00:00.000Z	49 \| good	8.928 \| good	39.767 \| good	51.677 \| good	0.417 \| good	2.297 \| good	0.149 \| good
2025-07-20T04:00:00.000Z	49 \| good	9.142 \| good	40.728 \| good	49.331 \| good	0.46 \| good	3.184 \| good	0.161 \| good
2025-07-20T05:00:00.000Z	49 \| good	8.576 \| good	37.491 \| good	45.098 \| good	0.502 \| good	4.071 \| good	0.173 \| good
2025-07-20T06:00:00.000Z	44 \| good	7.999 \| good	35.243 \| good	42.873 \| good	0.544 \| good	4.959 \| good	0.184 \| good
2025-07-20T07:00:00.000Z	44 \| good	7.807 \| good	34.35 \| good	37.876 \| good	0.532 \| good	4.935 \| good	0.19 \| good
2025-07-20T08:00:00.000Z	44 \| good	7.863 \| good	34.632 \| good	33.192 \| good	0.519 \| good	4.911 \| good	0.195 \| good
2025-07-20T09:00:00.000Z	44 \| good	8.127 \| good	35.603 \| good	29.634 \| good	0.507 \| good	4.887 \| good	0.2 \| good
2025-07-20T10:00:00.000Z	49 \| good	8.661 \| good	38.159 \| good	27.193 \| good	0.487 \| good	5.051 \| good	0.202 \| good
2025-07-20T11:00:00.000Z	44 \| good	8.08 \| good	35.274 \| good	26.062 \| good	0.467 \| good	5.215 \| good	0.203 \| good
2025-07-20T12:00:00.000Z	38 \| good	7.168 \| good	31.739 \| good	24.771 \| good	0.447 \| good	5.379 \| good	0.204 \| good
2025-07-20T13:00:00.000Z	44 \| good	7.823 \| good	34.376 \| good	24.243 \| good	0.456 \| good	5.097 \| good	0.209 \| good
2025-07-20T14:00:00.000Z	44 \| good	8.202 \| good	36.17 \| good	24.753 \| good	0.465 \| good	4.815 \| good	0.215 \| good
2025-07-20T15:00:00.000Z	49 \| good	9.351 \| good	41.566 \| good	31.077 \| good	0.474 \| good	4.533 \| good	0.22 \| good
2025-07-20T16:00:00.000Z	49 \| good	9.402 \| good	42.014 \| good	37.843 \| good	0.559 \| good	3.515 \| good	0.2 \| good
2025-07-20T17:00:00.000Z	52 \| moderate	9.535 \| good	42.692 \| good	44.544 \| good	0.644 \| good	2.497 \| good	0.181 \| good
2025-07-20T18:00:00.000Z	52 \| moderate	9.601 \| good	42.753 \| good	49.995 \| good	0.729 \| good	1.479 \| good	0.161 \| good
2025-07-20T19:00:00.000Z	52 \| moderate	10.438 \| good	46.282 \| good	54.393 \| good	0.673 \| good	1.233 \| good	0.154 \| good
2025-07-20T20:00:00.000Z	58 \| moderate	9.672 \| good	43 \| good	56.611 \| fine	0.616 \| good	0.986 \| good	0.147 \| good
2025-07-20T21:00:00.000Z	61 \| moderate	8.733 \| good	38.399 \| good	58.124 \| fine	0.559 \| good	0.739 \| good	0.14 \| good
2025-07-20T22:00:00.000Z	64 \| moderate	8.059 \| good	35.298 \| good	59.177 \| fine	0.492 \| good	0.695 \| good	0.134 \| good
2025-07-20T23:00:00.000Z	67 \| moderate	7.372 \| good	32.591 \| good	59.834 \| fine	0.425 \| good	0.651 \| good	0.128 \| good
2025-07-21T00:00:00.000Z	64 \| moderate	7.16 \| good	31.627 \| good	59.039 \| fine	0.358 \| good	0.607 \| good	0.122 \| good
2025-07-21T01:00:00.000Z	61 \| moderate	6.729 \| good	29.851 \| good	58.384 \| fine	0.334 \| good	1.282 \| good	0.124 \| good
2025-07-21T02:00:00.000Z	54 \| moderate	6.549 \| good	29.337 \| good	56.467 \| fine	0.311 \| good	1.957 \| good	0.127 \| good
2025-07-21T03:00:00.000Z	47 \| good	7.102 \| good	31.399 \| good	51.237 \| good	0.287 \| good	2.632 \| good	0.129 \| good
2025-07-21T04:00:00.000Z	41 \| good	6.469 \| good	29.05 \| good	44.029 \| good	0.314 \| good	3.52 \| good	0.139 \| good
2025-07-21T05:00:00.000Z	39 \| good	6.517 \| good	28.849 \| good	41.596 \| good	0.34 \| good	4.407 \| good	0.148 \| good
2025-07-21T06:00:00.000Z	38 \| good	6.573 \| good	29.343 \| good	36.76 \| good	0.366 \| good	5.294 \| good	0.158 \| good
2025-07-21T07:00:00.000Z	33 \| good	6.023 \| good	26.975 \| good	33.08 \| good	0.356 \| good	5.279 \| good	0.161 \| good
2025-07-21T08:00:00.000Z	33 \| good	6.031 \| good	27.045 \| good	28.655 \| good	0.345 \| good	5.264 \| good	0.165 \| good
2025-07-21T09:00:00.000Z	33 \| good	5.746 \| good	24.794 \| good	24.588 \| good	0.335 \| good	5.248 \| good	0.168 \| good
2025-07-21T10:00:00.000Z	33 \| good	5.941 \| good	25.909 \| good	21.979 \| good	0.324 \| good	5.324 \| good	0.168 \| good
2025-07-21T11:00:00.000Z	33 \| good	5.602 \| good	24.347 \| good	21.213 \| good	0.314 \| good	5.399 \| good	0.167 \| good
2025-07-21T12:00:00.000Z	33 \| good	5.78 \| good	25.22 \| good	20.812 \| good	0.303 \| good	5.474 \| good	0.166 \| good
2025-07-21T13:00:00.000Z	27 \| good	5.254 \| good	22.43 \| good	21.174 \| good	0.317 \| good	5.044 \| good	0.171 \| good
2025-07-21T14:00:00.000Z	27 \| good	5.482 \| good	23.557 \| good	22.275 \| good	0.331 \| good	4.615 \| good	0.175 \| good
2025-07-21T15:00:00.000Z	27 \| good	5.312 \| good	22.977 \| good	27.334 \| good	0.346 \| good	4.185 \| good	0.18 \| good
2025-07-21T16:00:00.000Z	30 \| good	4.991 \| good	21.375 \| good	32.147 \| good	0.437 \| good	3.215 \| good	0.165 \| good
2025-07-21T17:00:00.000Z	34 \| good	5.322 \| good	23.073 \| good	36.715 \| good	0.529 \| good	2.245 \| good	0.15 \| good
2025-07-21T18:00:00.000Z	38 \| good	5.518 \| good	23.656 \| good	40.618 \| good	0.62 \| good	1.274 \| good	0.135 \| good
2025-07-21T19:00:00.000Z	40 \| good	6.143 \| good	27.096 \| good	42.69 \| good	0.594 \| good	1.081 \| good	0.13 \| good
2025-07-21T20:00:00.000Z	41 \| good	4.94 \| good	21.187 \| good	43.783 \| good	0.568 \| good	0.889 \| good	0.126 \| good
2025-07-21T21:00:00.000Z	40 \| good	4.192 \| good	18.219 \| good	43.413 \| good	0.541 \| good	0.696 \| good	0.121 \| good
2025-07-21T22:00:00.000Z	39 \| good	3.801 \| good	16.718 \| good	42.105 \| good	0.486 \| good	0.652 \| good	0.116 \| good
2025-07-21T23:00:00.000Z	40 \| good	3.651 \| good	16.096 \| good	42.526 \| good	0.43 \| good	0.609 \| good	0.112 \| good
2025-07-22T00:00:00.000Z	77 \| moderate	5.117 \| good	6.888 \| good	62.788 \| fine	0.371 \| good	0.569 \| good	0.107 \| good
2025-07-22T01:00:00.000Z	41 \| good	4.037 \| good	17.624 \| good	43.613 \| good	0.344 \| good	1.04 \| good	0.108 \| 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
Crestline, California	140 Unhealthy for sensitive groups	12.27μg/m³ Fine	54.84μg/m³ Fine	81.82ppb Moderate	0.49ppb Good	3.48ppb Good	0.18ppm Good
Lake Arrowhead, California	115 Unhealthy for sensitive groups	10.88μg/m³ Good	49.27μg/m³ Good	75.30ppb Moderate	0.48ppb Good	3.59ppb Good	0.18ppm Good
Palm Springs, California	115 Unhealthy for sensitive groups	6.14μg/m³ Good	27.64μg/m³ Good	75.32ppb Moderate	0.59ppb Good	2.23ppb Good	0.20ppm Good
Palmdale, California	108 Unhealthy for sensitive groups	8.45μg/m³ Good	40.05μg/m³ Good	72.61ppb Moderate	0.55ppb Good	3.88ppb Good	0.16ppm Good
Sun Village, California	105 Unhealthy for sensitive groups	8.37μg/m³ Good	38.46μg/m³ Good	72.22ppb Moderate	0.54ppb Good	5.05ppb Good	0.18ppm Good
Santa Clarita, California	97 Moderate	12.32μg/m³ Fine	56.53μg/m³ Fine	69.44ppb Fine	0.61ppb Good	6.32ppb Good	0.10ppm Good
Highland, California	93 Moderate	9.76μg/m³ Good	45.35μg/m³ Good	68.35ppb Fine	0.45ppb Good	4.29ppb Good	0.19ppm Good
Lake Los Angeles, California	93 Moderate	8.01μg/m³ Good	37.31μg/m³ Good	68.22ppb Fine	0.51ppb Good	3.89ppb Good	0.20ppm Good
Phelan, California	93 Moderate	9.97μg/m³ Good	37.74μg/m³ Good	68.07ppb Fine	0.50ppb Good	4.31ppb Good	0.20ppm Good
Muscoy, California	90 Moderate	10.36μg/m³ Good	43.67μg/m³ Good	67.10ppb Fine	0.44ppb Good	4.91ppb Good	0.19ppm Good
Lancaster, California	90 Moderate	8.34μg/m³ Good	85.75μg/m³ Fine	66.87ppb Fine	0.59ppb Good	2.33ppb Good	0.16ppm Good
Redlands, California	90 Moderate	10.00μg/m³ Good	50.60μg/m³ Good	67.06ppb Fine	0.44ppb Good	4.08ppb Good	0.18ppm Good
San Bernardino, California	90 Moderate	8.88μg/m³ Good	40.29μg/m³ Good	67.04ppb Fine	0.46ppb Good	4.75ppb Good	0.20ppm Good
Calimesa, California	87 Moderate	9.55μg/m³ Good	46.77μg/m³ Good	66.48ppb Fine	0.48ppb Good	3.54ppb Good	0.18ppm Good
Desert Hot Springs, California	90 Moderate	7.18μg/m³ Good	31.28μg/m³ Good	66.67ppb Fine	0.59ppb Good	2.78ppb Good	0.19ppm Good
Loma Linda, California	90 Moderate	9.38μg/m³ Good	42.67μg/m³ Good	66.54ppb Fine	0.44ppb Good	4.35ppb Good	0.19ppm Good
Yucaipa, California	87 Moderate	9.56μg/m³ Good	47.14μg/m³ Good	66.50ppb Fine	0.47ppb Good	3.61ppb Good	0.18ppm Good
Banning, California	87 Moderate	9.80μg/m³ Good	44.41μg/m³ Good	66.25ppb Fine	0.55ppb Good	2.41ppb Good	0.17ppm Good
Quartz Hill, California	87 Moderate	8.47μg/m³ Good	82.15μg/m³ Fine	66.36ppb Fine	0.59ppb Good	2.48ppb Good	0.16ppm Good
Colton, California	87 Moderate	9.38μg/m³ Good	41.63μg/m³ Good	65.68ppb Fine	0.42ppb Good	4.21ppb Good	0.19ppm Good
Cathedral City, California	87 Moderate	7.45μg/m³ Good	32.96μg/m³ Good	65.55ppb Fine	0.60ppb Good	2.76ppb Good	0.19ppm Good
Beaumont, California	77 Moderate	8.47μg/m³ Good	28.29μg/m³ Good	63.06ppb Fine	0.54ppb Good	2.31ppb Good	0.17ppm Good
Porterville, California	77 Moderate	11.94μg/m³ Good	54.14μg/m³ Fine	62.82ppb Fine	0.75ppb Good	4.82ppb Good	0.15ppm Good
Parlier, California	77 Moderate	8.23μg/m³ Good	36.30μg/m³ Good	62.58ppb Fine	0.73ppb Good	3.18ppb Good	0.15ppm Good
Reedley, California	77 Moderate	8.35μg/m³ Good	36.71μg/m³ Good	62.51ppb Fine	0.73ppb Good	3.10ppb Good	0.15ppm Good
Rancho Mirage, California	74 Moderate	7.13μg/m³ Good	30.68μg/m³ Good	62.38ppb Fine	0.60ppb Good	2.95ppb Good	0.19ppm Good
Barstow, California	74 Moderate	3.30μg/m³ Good	15.00μg/m³ Good	62.00ppb Fine	0.53ppb Good	5.88ppb Good	0.18ppm Good
Mead Valley, California	74 Moderate	8.17μg/m³ Good	37.87μg/m³ Good	62.04ppb Fine	0.54ppb Good	2.76ppb Good	0.14ppm Good
Rosamond, California	74 Moderate	9.60μg/m³ Good	39.31μg/m³ Good	62.14ppb Fine	0.61ppb Good	2.10ppb Good	0.16ppm Good
Kingsburg, California	74 Moderate	8.38μg/m³ Good	36.08μg/m³ Good	61.60ppb Fine	0.73ppb Good	3.45ppb Good	0.15ppm Good
Moreno Valley, California	74 Moderate	8.09μg/m³ Good	37.88μg/m³ Good	61.83ppb Fine	0.43ppb Good	4.32ppb Good	0.15ppm Good
Big Bear City, California	74 Moderate	5.99μg/m³ Good	26.97μg/m³ Good	61.57ppb Fine	0.56ppb Good	2.39ppb Good	0.20ppm Good
Grand Terrace, California	71 Moderate	9.36μg/m³ Good	40.65μg/m³ Good	61.36ppb Fine	0.39ppb Good	3.73ppb Good	0.18ppm Good
Exeter, California	71 Moderate	9.48μg/m³ Good	35.26μg/m³ Good	61.20ppb Fine	0.75ppb Good	3.08ppb Good	0.15ppm Good
Lindsay, California	71 Moderate	9.81μg/m³ Good	42.61μg/m³ Good	60.88ppb Fine	0.75ppb Good	3.86ppb Good	0.15ppm Good
La CrescentaMontrose, California	71 Moderate	11.83μg/m³ Good	48.74μg/m³ Good	60.60ppb Fine	0.54ppb Good	4.05ppb Good	0.18ppm Good
Shafter, California	71 Moderate	9.59μg/m³ Good	37.75μg/m³ Good	60.50ppb Fine	0.75ppb Good	5.09ppb Good	0.17ppm Good
Duarte, California	67 Moderate	9.06μg/m³ Good	50.40μg/m³ Good	60.32ppb Fine	0.54ppb Good	3.47ppb Good	0.18ppm Good
Monrovia, California	67 Moderate	9.06μg/m³ Good	50.40μg/m³ Good	60.32ppb Fine	0.54ppb Good	3.47ppb Good	0.18ppm Good
Stevenson Ranch, California	67 Moderate	10.92μg/m³ Good	48.68μg/m³ Good	60.31ppb Fine	0.62ppb Good	5.03ppb Good	0.11ppm Good
Apple Valley, California	67 Moderate	7.47μg/m³ Good	32.31μg/m³ Good	59.80ppb Fine	0.51ppb Good	2.85ppb Good	0.18ppm Good
Farmersville, California	67 Moderate	9.45μg/m³ Good	40.18μg/m³ Good	59.85ppb Fine	0.75ppb Good	3.70ppb Good	0.15ppm Good
San Pablo, California	67 Moderate	17.80μg/m³ Fine	78.95μg/m³ Fine	25.91ppb Good	0.11ppb Good	2.40ppb Good	0.31ppm Good
Richmond, California	67 Moderate	17.81μg/m³ Fine	79.06μg/m³ Fine	25.83ppb Good	0.10ppb Good	2.44ppb Good	0.31ppm Good
Visalia, California	67 Moderate	9.31μg/m³ Good	41.87μg/m³ Good	60.01ppb Fine	0.75ppb Good	3.41ppb Good	0.15ppm Good
Tulare, California	67 Moderate	9.48μg/m³ Good	40.23μg/m³ Good	59.59ppb Fine	0.67ppb Good	4.34ppb Good	0.15ppm Good
Adelanto, California	64 Moderate	8.79μg/m³ Good	36.43μg/m³ Good	59.13ppb Fine	0.51ppb Good	2.82ppb Good	0.18ppm Good
Hanford, California	64 Moderate	8.90μg/m³ Good	32.02μg/m³ Good	59.00ppb Fine	0.73ppb Good	4.70ppb Good	0.15ppm Good
McFarland, California	64 Moderate	9.13μg/m³ Good	38.63μg/m³ Good	59.09ppb Fine	0.76ppb Good	4.58ppb Good	0.16ppm Good
Wasco, California	64 Moderate	8.34μg/m³ Good	33.25μg/m³ Good	59.11ppb Fine	0.76ppb Good	4.82ppb Good	0.16ppm Good

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

0.19ppm

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 11:00:00 on 2025-07-19.

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 03:00:00 on 2025-07-19.

What is the AQI in California, USA right now?

As of now, the AQI in California, USA is 39, indicating Good conditions.

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

California, USA air has the highest levels of O3.

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 6.663 μg/m³.

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

The PM₁₀ concentration in California, USA is 26.659 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 0.205 ppm.

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

Currently, California, USA has a sulfur dioxide (SO₂) concentration of 0.593 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 41.828 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 3.478 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-18T06:00:00.000Z	54 \| moderate	10.832 \| good	51.276 \| good	47.006 \| good	0.728 \| good	9.088 \| good	0.151 \| good
2025-07-18T07:00:00.000Z	49 \| good	9.034 \| good	29.444 \| good	42.236 \| good	0.898 \| good	7.713 \| good	0.151 \| good
2025-07-18T08:00:00.000Z	54 \| moderate	10.682 \| good	43.238 \| good	42.135 \| good	0.904 \| good	6.386 \| good	0.142 \| good
2025-07-18T09:00:00.000Z	49 \| good	9.452 \| good	36.542 \| good	37.018 \| good	0.771 \| good	5.764 \| good	0.142 \| good
2025-07-18T10:00:00.000Z	38 \| good	7.471 \| good	37.569 \| good	31.909 \| good	0.536 \| good	6.493 \| good	0.1 \| good
2025-07-18T11:00:00.000Z	38 \| good	7.368 \| good	21.434 \| good	31.135 \| good	0.466 \| good	6.929 \| good	0.142 \| good
2025-07-18T12:00:00.000Z	33 \| good	6.301 \| good	25.443 \| good	30.107 \| good	0.4 \| good	8.6 \| good	0.142 \| good
2025-07-18T13:00:00.000Z	27 \| good	4.753 \| good	21.688 \| good	28.654 \| good	0.36 \| good	9.091 \| good	0.142 \| good
2025-07-18T14:00:00.000Z	27 \| good	5.494 \| good	24.923 \| good	22.732 \| good	0.338 \| good	7.062 \| good	0.168 \| good
2025-07-18T15:00:00.000Z	23 \| good	2.359 \| good	21.8 \| good	24.906 \| good	0.398 \| good	8.296 \| good	0.168 \| good
2025-07-18T16:00:00.000Z	27 \| good	4.532 \| good	27.932 \| good	22.919 \| good	0.557 \| good	6.834 \| good	0.168 \| good
2025-07-18T17:00:00.000Z	27 \| good	4.904 \| good	25.723 \| good	27.052 \| good	0.688 \| good	7.636 \| good	0.159 \| good
2025-07-18T18:00:00.000Z	38 \| good	6.666 \| good	28.833 \| good	29.595 \| good	0.751 \| good	7.692 \| good	0.193 \| good
2025-07-18T19:00:00.000Z	38 \| good	7.307 \| good	29.168 \| good	34.346 \| good	0.747 \| good	7.218 \| good	0.183 \| good
2025-07-18T20:00:00.000Z	44 \| good	7.689 \| good	27.934 \| good	47.547 \| good	0.948 \| good	6.997 \| good	0.158 \| good
2025-07-18T21:00:00.000Z	56 \| moderate	10.14 \| good	65.171 \| fine	46.995 \| good	1.004 \| good	6.258 \| good	0.151 \| good
2025-07-18T22:00:00.000Z	49 \| good	9.196 \| good	35.182 \| good	50 \| good	1.067 \| good	6.099 \| good	0.151 \| good
2025-07-18T23:00:00.000Z	49 \| good	8.621 \| good	35.562 \| good	53.189 \| good	1.011 \| good	5.315 \| good	0.151 \| good
2025-07-19T00:00:00.000Z	50 \| good	7.808 \| good	30.058 \| good	54.044 \| good	0.938 \| good	4.976 \| good	0.151 \| good
2025-07-19T01:00:00.000Z	54 \| moderate	8.455 \| good	23.573 \| good	55.552 \| fine	0.948 \| good	4.907 \| good	0.151 \| good
2025-07-19T02:00:00.000Z	54 \| moderate	7.019 \| good	27.653 \| good	56.066 \| fine	0.683 \| good	5.207 \| good	0.151 \| good
2025-07-19T03:00:00.000Z	51 \| moderate	7.903 \| good	36.416 \| good	54.632 \| good	0.809 \| good	5.307 \| good	0.158 \| good
2025-07-19T04:00:00.000Z	49 \| good	7.099 \| good	27.387 \| good	52.731 \| good	0.846 \| good	5.156 \| good	0.151 \| good
2025-07-19T05:00:00.000Z	47 \| good	5.77 \| good	30.901 \| good	50.762 \| good	0.838 \| good	5.994 \| good	0.191 \| good
2025-07-19T06:00:00.000Z	45 \| good	6.664 \| good	26.21 \| good	48.982 \| good	0.847 \| good	6.147 \| good	0.166 \| good
2025-07-19T07:00:00.000Z	52 \| moderate	9.557 \| good	48.368 \| good	45.538 \| good	0.783 \| good	4.533 \| good	0.167 \| good
2025-07-19T08:00:00.000Z	44 \| good	7.717 \| good	33.889 \| good	39.234 \| good	0.72 \| good	5.334 \| good	0.166 \| good
2025-07-19T09:00:00.000Z	38 \| good	6.958 \| good	24.429 \| good	36.795 \| good	0.72 \| good	4.711 \| good	0.158 \| good
2025-07-19T10:00:00.000Z	38 \| good	7.261 \| good	30.744 \| good	35.632 \| good	0.345 \| good	4.802 \| good	0.151 \| good
2025-07-19T11:00:00.000Z	49 \| good	9.234 \| good	25.604 \| good	30.423 \| good	0.268 \| good	6.119 \| good	0.108 \| good
2025-07-19T12:00:00.000Z	33 \| good	6.383 \| good	23.626 \| good	29.336 \| good	0.213 \| good	7.19 \| good	0.151 \| good
2025-07-19T13:00:00.000Z	28 \| good	5.152 \| good	13.738 \| good	29.585 \| good	0.403 \| good	7.279 \| good	0.151 \| good
2025-07-19T14:00:00.000Z	38 \| good	6.775 \| good	23.631 \| good	26.75 \| good	0.253 \| good	6.003 \| good	0.11 \| good
2025-07-19T15:00:00.000Z	27 \| good	5.432 \| good	25.598 \| good	26.195 \| good	0.43 \| good	8.559 \| good	0.151 \| good
2025-07-19T16:00:00.000Z	33 \| good	6.132 \| good	24.047 \| good	33.056 \| good	0.467 \| good	7.214 \| good	0.151 \| good
2025-07-19T17:00:00.000Z	33 \| good	6.101 \| good	29.635 \| good	30.439 \| good	0.611 \| good	6.222 \| good	0.151 \| good
2025-07-19T18:00:00.000Z	35 \| good	5.892 \| good	25.607 \| good	37.736 \| good	0.675 \| good	6.182 \| good	0.151 \| good
2025-07-19T19:00:00.000Z	40 \| good	7.178 \| good	34.381 \| good	43.038 \| good	0.664 \| good	5.416 \| good	0.151 \| good
2025-07-19T20:00:00.000Z	44 \| good	6.612 \| good	27.387 \| good	46.721 \| good	0.673 \| good	5.107 \| good	0.151 \| good
2025-07-19T21:00:00.000Z	49 \| good	8.217 \| good	39.199 \| good	52.57 \| good	0.755 \| good	4.794 \| good	0.183 \| good
2025-07-19T22:00:00.000Z	61 \| moderate	7.538 \| good	33.442 \| good	57.872 \| fine	0.829 \| good	4.423 \| good	0.183 \| good
2025-07-19T23:00:00.000Z	64 \| moderate	8.636 \| good	34.569 \| good	58.998 \| fine	0.881 \| good	4.273 \| good	0.183 \| good
2025-07-20T00:00:00.000Z	54 \| moderate	7.822 \| good	33.721 \| good	55.726 \| fine	0.735 \| good	3.862 \| good	0.151 \| good
2025-07-20T01:00:00.000Z	58 \| moderate	9.135 \| good	31.584 \| good	57.17 \| fine	0.818 \| good	3.955 \| good	0.151 \| good
2025-07-20T02:00:00.000Z	58 \| moderate	6.996 \| good	31.464 \| good	57.272 \| fine	0.736 \| good	3.941 \| good	0.151 \| good
2025-07-20T03:00:00.000Z	54 \| moderate	7.804 \| good	33.694 \| good	55.918 \| fine	0.736 \| good	4.217 \| good	0.183 \| good
2025-07-20T04:00:00.000Z	54 \| moderate	6.526 \| good	26.33 \| good	55.528 \| fine	0.718 \| good	4.629 \| good	0.183 \| good
2025-07-20T05:00:00.000Z	38 \| good	6.629 \| good	25.151 \| good	37.173 \| good	0.51 \| good	3.951 \| good	0.198 \| good
2025-07-20T02:00:00.000Z	54 \| moderate	8.541 \| good	37.561 \| good	55.639 \| fine	0.426 \| good	1.757 \| good	0.146 \| good
2025-07-20T03:00:00.000Z	49 \| good	8.928 \| good	39.767 \| good	51.677 \| good	0.417 \| good	2.297 \| good	0.149 \| good
2025-07-20T04:00:00.000Z	49 \| good	9.142 \| good	40.728 \| good	49.331 \| good	0.46 \| good	3.184 \| good	0.161 \| good
2025-07-20T05:00:00.000Z	49 \| good	8.576 \| good	37.491 \| good	45.098 \| good	0.502 \| good	4.071 \| good	0.173 \| good
2025-07-20T06:00:00.000Z	44 \| good	7.999 \| good	35.243 \| good	42.873 \| good	0.544 \| good	4.959 \| good	0.184 \| good
2025-07-20T07:00:00.000Z	44 \| good	7.807 \| good	34.35 \| good	37.876 \| good	0.532 \| good	4.935 \| good	0.19 \| good
2025-07-20T08:00:00.000Z	44 \| good	7.863 \| good	34.632 \| good	33.192 \| good	0.519 \| good	4.911 \| good	0.195 \| good
2025-07-20T09:00:00.000Z	44 \| good	8.127 \| good	35.603 \| good	29.634 \| good	0.507 \| good	4.887 \| good	0.2 \| good
2025-07-20T10:00:00.000Z	49 \| good	8.661 \| good	38.159 \| good	27.193 \| good	0.487 \| good	5.051 \| good	0.202 \| good
2025-07-20T11:00:00.000Z	44 \| good	8.08 \| good	35.274 \| good	26.062 \| good	0.467 \| good	5.215 \| good	0.203 \| good
2025-07-20T12:00:00.000Z	38 \| good	7.168 \| good	31.739 \| good	24.771 \| good	0.447 \| good	5.379 \| good	0.204 \| good
2025-07-20T13:00:00.000Z	44 \| good	7.823 \| good	34.376 \| good	24.243 \| good	0.456 \| good	5.097 \| good	0.209 \| good
2025-07-20T14:00:00.000Z	44 \| good	8.202 \| good	36.17 \| good	24.753 \| good	0.465 \| good	4.815 \| good	0.215 \| good
2025-07-20T15:00:00.000Z	49 \| good	9.351 \| good	41.566 \| good	31.077 \| good	0.474 \| good	4.533 \| good	0.22 \| good
2025-07-20T16:00:00.000Z	49 \| good	9.402 \| good	42.014 \| good	37.843 \| good	0.559 \| good	3.515 \| good	0.2 \| good
2025-07-20T17:00:00.000Z	52 \| moderate	9.535 \| good	42.692 \| good	44.544 \| good	0.644 \| good	2.497 \| good	0.181 \| good
2025-07-20T18:00:00.000Z	52 \| moderate	9.601 \| good	42.753 \| good	49.995 \| good	0.729 \| good	1.479 \| good	0.161 \| good
2025-07-20T19:00:00.000Z	52 \| moderate	10.438 \| good	46.282 \| good	54.393 \| good	0.673 \| good	1.233 \| good	0.154 \| good
2025-07-20T20:00:00.000Z	58 \| moderate	9.672 \| good	43 \| good	56.611 \| fine	0.616 \| good	0.986 \| good	0.147 \| good
2025-07-20T21:00:00.000Z	61 \| moderate	8.733 \| good	38.399 \| good	58.124 \| fine	0.559 \| good	0.739 \| good	0.14 \| good
2025-07-20T22:00:00.000Z	64 \| moderate	8.059 \| good	35.298 \| good	59.177 \| fine	0.492 \| good	0.695 \| good	0.134 \| good
2025-07-20T23:00:00.000Z	67 \| moderate	7.372 \| good	32.591 \| good	59.834 \| fine	0.425 \| good	0.651 \| good	0.128 \| good
2025-07-21T00:00:00.000Z	64 \| moderate	7.16 \| good	31.627 \| good	59.039 \| fine	0.358 \| good	0.607 \| good	0.122 \| good
2025-07-21T01:00:00.000Z	61 \| moderate	6.729 \| good	29.851 \| good	58.384 \| fine	0.334 \| good	1.282 \| good	0.124 \| good
2025-07-21T02:00:00.000Z	54 \| moderate	6.549 \| good	29.337 \| good	56.467 \| fine	0.311 \| good	1.957 \| good	0.127 \| good
2025-07-21T03:00:00.000Z	47 \| good	7.102 \| good	31.399 \| good	51.237 \| good	0.287 \| good	2.632 \| good	0.129 \| good
2025-07-21T04:00:00.000Z	41 \| good	6.469 \| good	29.05 \| good	44.029 \| good	0.314 \| good	3.52 \| good	0.139 \| good
2025-07-21T05:00:00.000Z	39 \| good	6.517 \| good	28.849 \| good	41.596 \| good	0.34 \| good	4.407 \| good	0.148 \| good
2025-07-21T06:00:00.000Z	38 \| good	6.573 \| good	29.343 \| good	36.76 \| good	0.366 \| good	5.294 \| good	0.158 \| good
2025-07-21T07:00:00.000Z	33 \| good	6.023 \| good	26.975 \| good	33.08 \| good	0.356 \| good	5.279 \| good	0.161 \| good
2025-07-21T08:00:00.000Z	33 \| good	6.031 \| good	27.045 \| good	28.655 \| good	0.345 \| good	5.264 \| good	0.165 \| good
2025-07-21T09:00:00.000Z	33 \| good	5.746 \| good	24.794 \| good	24.588 \| good	0.335 \| good	5.248 \| good	0.168 \| good
2025-07-21T10:00:00.000Z	33 \| good	5.941 \| good	25.909 \| good	21.979 \| good	0.324 \| good	5.324 \| good	0.168 \| good
2025-07-21T11:00:00.000Z	33 \| good	5.602 \| good	24.347 \| good	21.213 \| good	0.314 \| good	5.399 \| good	0.167 \| good
2025-07-21T12:00:00.000Z	33 \| good	5.78 \| good	25.22 \| good	20.812 \| good	0.303 \| good	5.474 \| good	0.166 \| good
2025-07-21T13:00:00.000Z	27 \| good	5.254 \| good	22.43 \| good	21.174 \| good	0.317 \| good	5.044 \| good	0.171 \| good
2025-07-21T14:00:00.000Z	27 \| good	5.482 \| good	23.557 \| good	22.275 \| good	0.331 \| good	4.615 \| good	0.175 \| good
2025-07-21T15:00:00.000Z	27 \| good	5.312 \| good	22.977 \| good	27.334 \| good	0.346 \| good	4.185 \| good	0.18 \| good
2025-07-21T16:00:00.000Z	30 \| good	4.991 \| good	21.375 \| good	32.147 \| good	0.437 \| good	3.215 \| good	0.165 \| good
2025-07-21T17:00:00.000Z	34 \| good	5.322 \| good	23.073 \| good	36.715 \| good	0.529 \| good	2.245 \| good	0.15 \| good
2025-07-21T18:00:00.000Z	38 \| good	5.518 \| good	23.656 \| good	40.618 \| good	0.62 \| good	1.274 \| good	0.135 \| good
2025-07-21T19:00:00.000Z	40 \| good	6.143 \| good	27.096 \| good	42.69 \| good	0.594 \| good	1.081 \| good	0.13 \| good
2025-07-21T20:00:00.000Z	41 \| good	4.94 \| good	21.187 \| good	43.783 \| good	0.568 \| good	0.889 \| good	0.126 \| good
2025-07-21T21:00:00.000Z	40 \| good	4.192 \| good	18.219 \| good	43.413 \| good	0.541 \| good	0.696 \| good	0.121 \| good
2025-07-21T22:00:00.000Z	39 \| good	3.801 \| good	16.718 \| good	42.105 \| good	0.486 \| good	0.652 \| good	0.116 \| good
2025-07-21T23:00:00.000Z	40 \| good	3.651 \| good	16.096 \| good	42.526 \| good	0.43 \| good	0.609 \| good	0.112 \| good
2025-07-22T00:00:00.000Z	77 \| moderate	5.117 \| good	6.888 \| good	62.788 \| fine	0.371 \| good	0.569 \| good	0.107 \| good
2025-07-22T01:00:00.000Z	41 \| good	4.037 \| good	17.624 \| good	43.613 \| good	0.344 \| good	1.04 \| good	0.108 \| 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?