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

The PM10 concentration in California, USA is 27.19 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 0.46 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 30.778 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 6.365 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 7.204 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)

7.20 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

27.19 μg/m³

155

255

425

605+

Ozone (O₃)

30.78 ppb

201

201+

Sulfur Dioxide (SO₂)

0.46 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

6.37 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 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
2026-08-15T09:00:00.000Z	38 \| good	6.892 \| good	27.748 \| good	26.64 \| good	0.989 \| good	5.95 \| good	0.109 \| good
2026-08-15T10:00:00.000Z	38 \| good	6.775 \| good	23.806 \| good	20.658 \| good	0.942 \| good	5.416 \| good	0.109 \| good
2026-08-15T11:00:00.000Z	33 \| good	5.605 \| good	21.733 \| good	18.127 \| good	0.726 \| good	5.709 \| good	0.109 \| good
2026-08-15T12:00:00.000Z	27 \| good	4.962 \| good	21.336 \| good	19.337 \| good	0.552 \| good	5.689 \| good	0.109 \| good
2026-08-15T13:00:00.000Z	27 \| good	4.959 \| good	22.499 \| good	18.977 \| good	0.558 \| good	5.446 \| good	0.114 \| good
2026-08-15T14:00:00.000Z	27 \| good	5.23 \| good	21.888 \| good	15.899 \| good	0.52 \| good	4.621 \| good	0.128 \| good
2026-08-15T15:00:00.000Z	27 \| good	4.612 \| good	17.643 \| good	16.802 \| good	0.578 \| good	7.205 \| good	0.1 \| good
2026-08-15T16:00:00.000Z	31 \| good	4.954 \| good	32.901 \| good	19.592 \| good	0.605 \| good	5.612 \| good	0.105 \| good
2026-08-15T17:00:00.000Z	33 \| good	6.386 \| good	25.274 \| good	26.779 \| good	0.613 \| good	5.475 \| good	0.105 \| good
2026-08-15T18:00:00.000Z	27 \| good	4.646 \| good	16.889 \| good	24.601 \| good	0.571 \| good	5.113 \| good	0.105 \| good
2026-08-15T19:00:00.000Z	33 \| good	6.486 \| good	30.815 \| good	31.029 \| good	0.655 \| good	5.596 \| good	0.151 \| good
2026-08-15T20:00:00.000Z	33 \| good	6.152 \| good	28.037 \| good	35.79 \| good	0.646 \| good	5.197 \| good	0.156 \| good
2026-08-15T21:00:00.000Z	40 \| good	7.167 \| good	42.836 \| good	40.221 \| good	0.661 \| good	4.8 \| good	0.105 \| good
2026-08-15T22:00:00.000Z	49 \| good	9.198 \| good	44.478 \| good	42.795 \| good	0.697 \| good	4.849 \| good	0.111 \| good
2026-08-15T23:00:00.000Z	52 \| moderate	8.695 \| good	58.023 \| fine	46.036 \| good	0.736 \| good	4.145 \| good	0.105 \| good
2026-08-16T00:00:00.000Z	49 \| good	8.147 \| good	33.253 \| good	53.293 \| good	0.736 \| good	3.751 \| good	0.105 \| good
2026-08-16T01:00:00.000Z	48 \| good	7.742 \| good	19.875 \| good	52.072 \| good	0.737 \| good	3.781 \| good	0.105 \| good
2026-08-16T02:00:00.000Z	45 \| good	7.287 \| good	18.701 \| good	48.685 \| good	0.727 \| good	3.713 \| good	0.116 \| good
2026-08-16T03:00:00.000Z	47 \| good	7.281 \| good	34.729 \| good	50.6 \| good	0.774 \| good	4.508 \| good	0.116 \| good
2026-08-16T04:00:00.000Z	44 \| good	6.615 \| good	31.913 \| good	47.975 \| good	0.949 \| good	6.754 \| good	0.151 \| good
2026-08-16T05:00:00.000Z	43 \| good	7.489 \| good	45.789 \| good	43.86 \| good	0.798 \| good	7.35 \| good	0.105 \| good
2026-08-16T06:00:00.000Z	52 \| moderate	9.671 \| good	54.121 \| good	46.594 \| good	0.633 \| good	6.124 \| good	0.114 \| good
2026-08-16T07:00:00.000Z	38 \| good	7.26 \| good	32.868 \| good	39.007 \| good	0.639 \| good	4.098 \| good	0.12 \| good
2026-08-16T08:00:00.000Z	54 \| moderate	11.359 \| good	21.815 \| good	36.799 \| good	0.699 \| good	4.319 \| good	0.142 \| good
2026-08-16T09:00:00.000Z	54 \| moderate	11.014 \| good	34.332 \| good	31.979 \| good	0.644 \| good	4.431 \| good	0.127 \| good
2026-08-16T10:00:00.000Z	49 \| good	9.262 \| good	27.147 \| good	30.103 \| good	0.812 \| good	4.851 \| good	0.108 \| good
2026-08-16T11:00:00.000Z	52 \| moderate	9.772 \| good	24.79 \| good	27.963 \| good	0.747 \| good	5.839 \| good	0.108 \| good
2026-08-16T12:00:00.000Z	44 \| good	8.49 \| good	30.681 \| good	30.424 \| good	0.789 \| good	5.886 \| good	0.108 \| good
2026-08-16T13:00:00.000Z	38 \| good	6.653 \| good	18.74 \| good	23.569 \| good	0.713 \| good	5.505 \| good	0.118 \| good
2026-08-16T14:00:00.000Z	33 \| good	6.076 \| good	23.463 \| good	18.825 \| good	0.723 \| good	4.498 \| good	0.119 \| good
2026-08-16T15:00:00.000Z	33 \| good	6.284 \| good	16.515 \| good	20.394 \| good	0.575 \| good	15.118 \| good	0.133 \| good
2026-08-16T16:00:00.000Z	44 \| good	7.568 \| good	35.088 \| good	24.454 \| good	0.59 \| good	21.051 \| good	0.142 \| good
2026-08-16T17:00:00.000Z	49 \| good	9.068 \| good	25.926 \| good	33.903 \| good	0.683 \| good	15.383 \| good	0.142 \| good
2026-08-16T18:00:00.000Z	49 \| good	9.348 \| good	46.452 \| good	31.599 \| good	0.694 \| good	17.47 \| good	0.142 \| good
2026-08-16T19:00:00.000Z	49 \| good	8.853 \| good	28.804 \| good	40.221 \| good	0.768 \| good	27.546 \| good	0.209 \| good
2026-08-16T20:00:00.000Z	56 \| moderate	12.149 \| fine	29.113 \| good	39.297 \| good	1.085 \| good	24.131 \| good	0.152 \| good
2026-08-16T21:00:00.000Z	52 \| moderate	10.046 \| good	27.703 \| good	46.024 \| good	1.075 \| good	22.958 \| good	0.142 \| good
2026-08-16T22:00:00.000Z	49 \| good	8.873 \| good	37.902 \| good	46.269 \| good	0.968 \| good	20.138 \| good	0.142 \| good
2026-08-16T23:00:00.000Z	49 \| good	9.068 \| good	30.415 \| good	52.206 \| good	0.803 \| good	20.551 \| good	0.142 \| good
2026-08-17T00:00:00.000Z	54 \| moderate	8.234 \| good	32.584 \| good	56.311 \| fine	0.742 \| good	19.407 \| good	0.15 \| good
2026-08-17T01:00:00.000Z	58 \| moderate	8.046 \| good	28.126 \| good	57.409 \| fine	0.808 \| good	18.002 \| good	0.15 \| good
2026-08-17T02:00:00.000Z	67 \| moderate	9.211 \| good	27.692 \| good	60.229 \| fine	0.67 \| good	17.913 \| good	0.15 \| good
2026-08-17T03:00:00.000Z	44 \| good	7.757 \| good	34.032 \| good	46.798 \| good	0.216 \| good	2.734 \| good	0.112 \| good
2026-08-17T04:00:00.000Z	47 \| good	7.364 \| good	26.995 \| good	50.605 \| good	0.856 \| good	16.447 \| good	0.15 \| good
2026-08-17T05:00:00.000Z	54 \| moderate	11.186 \| good	39.161 \| good	49.006 \| good	0.787 \| good	17.687 \| good	0.15 \| good
2026-08-17T06:00:00.000Z	44 \| good	8.21 \| good	39.222 \| good	45.135 \| good	0.974 \| good	17.664 \| good	0.165 \| good
2026-08-17T07:00:00.000Z	49 \| good	8.893 \| good	49.896 \| good	45.271 \| good	0.772 \| good	13.286 \| good	0.165 \| good
2026-08-17T08:00:00.000Z	38 \| good	7.204 \| good	27.19 \| good	30.778 \| good	0.46 \| good	6.365 \| good	0.305 \| good
2026-08-17T08:00:00.000Z	44 \| good	8.091 \| good	35.681 \| good	28.793 \| good	0.304 \| good	7.613 \| good	0.131 \| good
2026-08-17T09:00:00.000Z	44 \| good	8.184 \| good	35.764 \| good	25.724 \| good	0.314 \| good	6.783 \| good	0.126 \| good
2026-08-17T10:00:00.000Z	49 \| good	8.617 \| good	38.407 \| good	24.702 \| good	0.323 \| good	6.429 \| good	0.123 \| good
2026-08-17T11:00:00.000Z	49 \| good	8.725 \| good	38.75 \| good	22.863 \| good	0.316 \| good	6.776 \| good	0.122 \| good
2026-08-17T12:00:00.000Z	49 \| good	8.636 \| good	37.813 \| good	18.891 \| good	0.308 \| good	7.379 \| good	0.122 \| good
2026-08-17T13:00:00.000Z	49 \| good	9.043 \| good	40.201 \| good	17.424 \| good	0.304 \| good	7.869 \| good	0.122 \| good
2026-08-17T14:00:00.000Z	49 \| good	9.481 \| good	42.235 \| good	17.87 \| good	0.289 \| good	6.947 \| good	0.124 \| good
2026-08-17T15:00:00.000Z	52 \| moderate	9.875 \| good	43.832 \| good	22.401 \| good	0.308 \| good	5.536 \| good	0.131 \| good
2026-08-17T16:00:00.000Z	52 \| moderate	9.785 \| good	43.223 \| good	30.516 \| good	0.354 \| good	2.767 \| good	0.117 \| good
2026-08-17T17:00:00.000Z	49 \| good	9.433 \| good	42.129 \| good	39.411 \| good	0.385 \| good	2.051 \| good	0.118 \| good
2026-08-17T18:00:00.000Z	52 \| moderate	9.786 \| good	43.348 \| good	48.928 \| good	0.391 \| good	1.541 \| good	0.118 \| good
2026-08-17T19:00:00.000Z	54 \| moderate	10.971 \| good	48.417 \| good	55.675 \| fine	0.388 \| good	1.093 \| good	0.119 \| good
2026-08-17T20:00:00.000Z	67 \| moderate	10.702 \| good	47.364 \| good	59.804 \| fine	0.377 \| good	0.834 \| good	0.118 \| good
2026-08-17T21:00:00.000Z	80 \| moderate	11.035 \| good	48.894 \| good	63.542 \| fine	0.366 \| good	0.626 \| good	0.117 \| good
2026-08-17T22:00:00.000Z	90 \| moderate	10.88 \| good	48.241 \| good	66.919 \| fine	0.346 \| good	0.514 \| good	0.115 \| good
2026-08-17T23:00:00.000Z	90 \| moderate	10.031 \| good	44.398 \| good	66.622 \| fine	0.315 \| good	0.461 \| good	0.112 \| good
2026-08-18T00:00:00.000Z	80 \| moderate	10.073 \| good	44.486 \| good	64.224 \| fine	0.286 \| good	0.459 \| good	0.108 \| good
2026-08-18T01:00:00.000Z	71 \| moderate	9.447 \| good	41.949 \| good	61.339 \| fine	0.268 \| good	0.548 \| good	0.106 \| good
2026-08-18T02:00:00.000Z	52 \| moderate	9.604 \| good	42.804 \| good	53.121 \| good	0.262 \| good	0.847 \| good	0.106 \| good
2026-08-18T03:00:00.000Z	45 \| good	8.105 \| good	35.398 \| good	49.02 \| good	0.271 \| good	2.271 \| good	0.112 \| good
2026-08-18T04:00:00.000Z	49 \| good	8.789 \| good	38.345 \| good	46.139 \| good	0.308 \| good	3.964 \| good	0.12 \| good
2026-08-18T05:00:00.000Z	49 \| good	9.267 \| good	41.244 \| good	42.092 \| good	0.331 \| good	4.731 \| good	0.124 \| good
2026-08-18T06:00:00.000Z	49 \| good	9.329 \| good	41.755 \| good	39.32 \| good	0.346 \| good	5.182 \| good	0.126 \| good
2026-08-18T07:00:00.000Z	49 \| good	9.259 \| good	41.164 \| good	35.375 \| good	0.356 \| good	5.545 \| good	0.128 \| good
2026-08-18T08:00:00.000Z	52 \| moderate	9.895 \| good	43.819 \| good	32.499 \| good	0.359 \| good	5.72 \| good	0.127 \| good
2026-08-18T09:00:00.000Z	49 \| good	9.215 \| good	41.099 \| good	30.125 \| good	0.361 \| good	5.88 \| good	0.126 \| good
2026-08-18T10:00:00.000Z	49 \| good	8.655 \| good	38.035 \| good	27.216 \| good	0.357 \| good	6.097 \| good	0.125 \| good
2026-08-18T11:00:00.000Z	44 \| good	8.411 \| good	36.892 \| good	24.885 \| good	0.348 \| good	6.4 \| good	0.124 \| good
2026-08-18T12:00:00.000Z	44 \| good	7.876 \| good	34.409 \| good	18.485 \| good	0.338 \| good	6.721 \| good	0.123 \| good
2026-08-18T13:00:00.000Z	44 \| good	8.29 \| good	36.264 \| good	17.999 \| good	0.331 \| good	7.036 \| good	0.122 \| good
2026-08-18T14:00:00.000Z	49 \| good	8.825 \| good	39.302 \| good	18.303 \| good	0.312 \| good	6.625 \| good	0.123 \| good
2026-08-18T15:00:00.000Z	52 \| moderate	10.292 \| good	45.658 \| good	26.378 \| good	0.333 \| good	5.433 \| good	0.128 \| good
2026-08-18T16:00:00.000Z	54 \| moderate	10.822 \| good	48.012 \| good	35.746 \| good	0.357 \| good	2.916 \| good	0.117 \| good
2026-08-18T17:00:00.000Z	54 \| moderate	10.76 \| good	47.597 \| good	45.579 \| good	0.403 \| good	2.132 \| good	0.118 \| good
2026-08-18T18:00:00.000Z	54 \| moderate	10.829 \| good	47.713 \| good	54.611 \| good	0.42 \| good	1.478 \| good	0.119 \| good
2026-08-18T19:00:00.000Z	71 \| moderate	10.782 \| good	47.713 \| good	60.821 \| fine	0.415 \| good	1.066 \| good	0.117 \| good
2026-08-18T20:00:00.000Z	77 \| moderate	10.373 \| good	45.826 \| good	63.232 \| fine	0.398 \| good	0.877 \| good	0.115 \| good
2026-08-18T21:00:00.000Z	80 \| moderate	10 \| good	44.42 \| good	64.336 \| fine	0.37 \| good	0.748 \| good	0.113 \| good
2026-08-18T22:00:00.000Z	84 \| moderate	9.386 \| good	42.122 \| good	65.276 \| fine	0.341 \| good	0.66 \| good	0.11 \| good
2026-08-18T23:00:00.000Z	84 \| moderate	8.275 \| good	36.232 \| good	64.855 \| fine	0.316 \| good	0.615 \| good	0.108 \| good
2026-08-19T00:00:00.000Z	71 \| moderate	7.489 \| good	32.806 \| good	61.007 \| fine	0.297 \| good	0.632 \| good	0.106 \| good
2026-08-19T01:00:00.000Z	54 \| moderate	7.116 \| good	31.581 \| good	56.046 \| fine	0.283 \| good	0.744 \| good	0.105 \| good
2026-08-19T02:00:00.000Z	47 \| good	7.745 \| good	34.079 \| good	51.448 \| good	0.273 \| good	1.088 \| good	0.105 \| good
2026-08-19T03:00:00.000Z	44 \| good	7.535 \| good	33.186 \| good	46.398 \| good	0.281 \| good	2.453 \| good	0.11 \| good
2026-08-19T04:00:00.000Z	44 \| good	7.72 \| good	33.7 \| good	44.022 \| good	0.314 \| good	4.206 \| good	0.119 \| good
2026-08-19T05:00:00.000Z	49 \| good	8.633 \| good	37.765 \| good	41.331 \| good	0.337 \| good	5.835 \| good	0.126 \| good
2026-08-19T06:00:00.000Z	38 \| good	6.514 \| good	7.883 \| good	32.849 \| good	0.353 \| good	7.293 \| good	0.132 \| good
2026-08-19T07:00:00.000Z	49 \| good	8.868 \| good	38.997 \| good	35.49 \| good	0.354 \| good	8.366 \| good	0.137 \| 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
Arcadia, California	49 Good	8.55μg/m³ Good	38.16μg/m³ Good	24.29ppb Good	0.47ppb Good	10.27ppb Good	0.34ppm Good
Arcata, California	33 Good	6.00μg/m³ Good	26.46μg/m³ Good	29.64ppb Good	0.36ppb Good	5.29ppb Good	0.26ppm Good
ArdenArcade, California	42 Good	4.91μg/m³ Good	20.94μg/m³ Good	44.74ppb Good	0.38ppb Good	3.46ppb Good	0.20ppm Good
Atascadero, California	56 Moderate	11.94μg/m³ Good	19.26μg/m³ Good	21.17ppb Good	0.62ppb Good	1.71ppb Good	0.21ppm Good
Atwater, California	44 Good	7.74μg/m³ Good	34.00μg/m³ Good	39.60ppb Good	0.59ppb Good	5.05ppb Good	0.19ppm Good
Bakersfield, California	56 Moderate	12.00μg/m³ Hazardous	58.04μg/m³ Fine	43.23ppb Good	0.61ppb Good	9.41ppb Good	0.30ppm Good
Bell, California	44 Good	7.62μg/m³ Good	30.93μg/m³ Good	24.41ppb Good	0.44ppb Good	8.42ppb Good	0.24ppm Good
Blackhawk, California	19 Good	3.42μg/m³ Good	18.01μg/m³ Good	19.75ppb Good	0.37ppb Good	3.04ppb Good	0.23ppm Good
Alhambra, California	44 Good	8.16μg/m³ Good	38.60μg/m³ Good	23.68ppb Good	0.46ppb Good	10.34ppb Good	0.33ppm Good
Anderson, California	28 Good	5.20μg/m³ Good	18.08μg/m³ Good	30.33ppb Good	0.36ppb Good	4.43ppb Good	0.25ppm Good
Auburn, California	34 Good	4.51μg/m³ Good	19.31μg/m³ Good	37.43ppb Good	0.37ppb Good	4.07ppb Good	0.20ppm Good
Albany, California	27 Good	4.71μg/m³ Good	20.50μg/m³ Good	17.94ppb Good	0.33ppb Good	5.18ppb Good	0.34ppm Good
Anaheim, California	44 Good	7.50μg/m³ Good	23.94μg/m³ Good	29.01ppb Good	0.47ppb Good	13.95ppb Good	0.82ppm Good
Antioch, California	19 Good	3.44μg/m³ Good	18.18μg/m³ Good	19.99ppb Good	0.40ppb Good	3.01ppb Good	0.20ppm Good
Artesia, California	38 Good	7.24μg/m³ Good	28.10μg/m³ Good	26.36ppb Good	0.44ppb Good	7.04ppb Good	0.28ppm Good
Bellflower, California	38 Good	7.25μg/m³ Good	28.21μg/m³ Good	26.55ppb Good	0.43ppb Good	7.34ppb Good	0.24ppm Good
Benicia, California	27 Good	4.62μg/m³ Good	20.17μg/m³ Good	23.04ppb Good	0.32ppb Good	2.56ppb Good	0.26ppm Good
Berkeley, California	27 Good	4.55μg/m³ Good	19.86μg/m³ Good	18.09ppb Good	0.32ppb Good	5.04ppb Good	0.35ppm Good
Antelope, California	35 Good	5.67μg/m³ Good	19.96μg/m³ Good	38.22ppb Good	0.38ppb Good	3.62ppb Good	0.20ppm Good
Banning, California	58 Moderate	7.50μg/m³ Good	33.02μg/m³ Good	57.43ppb Fine	0.48ppb Good	5.55ppb Good	0.34ppm Good
Barstow, California	42 Good	4.50μg/m³ Good	20.00μg/m³ Good	45.00ppb Good	0.47ppb Good	8.96ppb Good	0.35ppm Good
Belmont, California	33 Good	6.10μg/m³ Good	21.71μg/m³ Good	20.69ppb Good	0.34ppb Good	1.78ppb Good	0.32ppm Good
Big Bear City, California	51 Moderate	2.47μg/m³ Good	10.32μg/m³ Good	55.16ppb Fine	0.48ppb Good	9.40ppb Good	0.34ppm Good
Alamo, California	38 Good	6.68μg/m³ Good	30.12μg/m³ Good	26.15ppb Good	0.35ppb Good	3.02ppb Good	0.19ppm Good
Alpine, California	117 Unhealthy for sensitive groups	41.51μg/m³ Moderate	55.90μg/m³ Fine	40.96ppb Good	0.43ppb Good	4.31ppb Good	0.37ppm Good
American Canyon, California	22 Good	4.47μg/m³ Good	19.33μg/m³ Good	22.01ppb Good	0.31ppb Good	2.77ppb Good	0.25ppm Good
Arvin, California	52 Moderate	9.67μg/m³ Good	32.52μg/m³ Good	40.72ppb Good	0.59ppb Good	4.89ppb Good	0.33ppm Good
Beaumont, California	39 Good	7.26μg/m³ Good	32.73μg/m³ Good	42.19ppb Good	0.49ppb Good	3.97ppb Good	0.34ppm Good
Alameda, California	22 Good	4.13μg/m³ Good	18.39μg/m³ Good	19.30ppb Good	0.30ppb Good	3.86ppb Good	0.41ppm Good
Alum Rock, California	49 Good	8.64μg/m³ Good	37.85μg/m³ Good	23.91ppb Good	0.36ppb Good	5.89ppb Good	0.35ppm Good
Avenal, California	54 Moderate	10.85μg/m³ Good	48.34μg/m³ Good	39.71ppb Good	0.66ppb Good	3.08ppb Good	0.20ppm Good
Citrus, California	44 Good	7.62μg/m³ Good	27.15μg/m³ Good	28.66ppb Good	0.52ppb Good	9.45ppb Good	0.38ppm Good
Aliso Viejo, California	49 Good	9.30μg/m³ Good	19.95μg/m³ Good	29.08ppb Good	0.47ppb Good	6.19ppb Good	0.46ppm Good
Arroyo Grande, California	44 Good	8.06μg/m³ Good	21.93μg/m³ Good	24.32ppb Good	0.58ppb Good	1.65ppb Good	0.19ppm Good
Bloomington, California	52 Moderate	9.86μg/m³ Good	32.29μg/m³ Good	36.92ppb Good	0.55ppb Good	12.42ppb Good	0.26ppm Good
Adelanto, California	47 Good	4.18μg/m³ Good	17.75μg/m³ Good	51.07ppb Good	0.52ppb Good	7.78ppb Good	0.33ppm Good
Agoura Hills, California	38 Good	6.62μg/m³ Good	27.35μg/m³ Good	25.26ppb Good	0.51ppb Good	7.12ppb Good	0.35ppm Good
Apple Valley, California	48 Good	4.01μg/m³ Good	18.29μg/m³ Good	52.01ppb Good	0.51ppb Good	7.72ppb Good	0.33ppm Good
Ashland, California	38 Good	6.79μg/m³ Good	30.58μg/m³ Good	18.34ppb Good	0.34ppb Good	4.58ppb Good	0.30ppm Good
Avocado Heights, California	49 Good	9.22μg/m³ Good	40.67μg/m³ Good	24.55ppb Good	0.49ppb Good	9.42ppb Good	0.38ppm Good
Azusa, California	44 Good	7.62μg/m³ Good	27.15μg/m³ Good	28.66ppb Good	0.52ppb Good	9.45ppb Good	0.38ppm Good
Baldwin Park, California	44 Good	8.45μg/m³ Good	27.38μg/m³ Good	26.08ppb Good	0.50ppb Good	7.30ppb Good	0.38ppm Good
Bay Point, California	38 Good	6.60μg/m³ Good	29.74μg/m³ Good	28.57ppb Good	0.36ppb Good	2.61ppb Good	0.14ppm Good
Bell Gardens, California	44 Good	8.13μg/m³ Good	34.10μg/m³ Good	24.66ppb Good	0.45ppb Good	8.55ppb Good	0.26ppm Good
Beverly Hills, California	44 Good	8.03μg/m³ Good	30.57μg/m³ Good	25.67ppb Good	0.46ppb Good	5.93ppb Good	0.31ppm Good
Carmichael, California	41 Good	4.88μg/m³ Good	19.73μg/m³ Good	43.77ppb Good	0.38ppb Good	3.42ppb Good	0.20ppm Good
Castaic, California	27 Good	5.25μg/m³ Good	16.34μg/m³ Good	29.27ppb Good	0.51ppb Good	14.76ppb Good	0.35ppm Good
Burbank city, California	52 Moderate	9.88μg/m³ Good	42.79μg/m³ Good	24.06ppb Good	0.46ppb Good	8.81ppb Good	0.32ppm Good
Calabasas, California	44 Good	8.35μg/m³ Good	41.61μg/m³ Good	25.09ppb Good	0.50ppb Good	11.31ppb Good	0.35ppm Good
Cathedral City, California	51 Moderate	7.79μg/m³ Good	36.04μg/m³ Good	55.45ppb Fine	0.45ppb Good	3.92ppb Good	0.35ppm Good

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

0.25ppm

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 2026-08-17.

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 2026-08-16.

What is the AQI in California, USA right now?

As of now, the AQI in California, USA is 38, 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 7.204 μg/m³.

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

The PM₁₀ concentration in California, USA is 27.19 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 0.305 ppm.

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

Currently, California, USA has a sulfur dioxide (SO₂) concentration of 0.46 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 30.778 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 6.365 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-15T09:00:00.000Z	38 \| good	6.892 \| good	27.748 \| good	26.64 \| good	0.989 \| good	5.95 \| good	0.109 \| good
2026-08-15T10:00:00.000Z	38 \| good	6.775 \| good	23.806 \| good	20.658 \| good	0.942 \| good	5.416 \| good	0.109 \| good
2026-08-15T11:00:00.000Z	33 \| good	5.605 \| good	21.733 \| good	18.127 \| good	0.726 \| good	5.709 \| good	0.109 \| good
2026-08-15T12:00:00.000Z	27 \| good	4.962 \| good	21.336 \| good	19.337 \| good	0.552 \| good	5.689 \| good	0.109 \| good
2026-08-15T13:00:00.000Z	27 \| good	4.959 \| good	22.499 \| good	18.977 \| good	0.558 \| good	5.446 \| good	0.114 \| good
2026-08-15T14:00:00.000Z	27 \| good	5.23 \| good	21.888 \| good	15.899 \| good	0.52 \| good	4.621 \| good	0.128 \| good
2026-08-15T15:00:00.000Z	27 \| good	4.612 \| good	17.643 \| good	16.802 \| good	0.578 \| good	7.205 \| good	0.1 \| good
2026-08-15T16:00:00.000Z	31 \| good	4.954 \| good	32.901 \| good	19.592 \| good	0.605 \| good	5.612 \| good	0.105 \| good
2026-08-15T17:00:00.000Z	33 \| good	6.386 \| good	25.274 \| good	26.779 \| good	0.613 \| good	5.475 \| good	0.105 \| good
2026-08-15T18:00:00.000Z	27 \| good	4.646 \| good	16.889 \| good	24.601 \| good	0.571 \| good	5.113 \| good	0.105 \| good
2026-08-15T19:00:00.000Z	33 \| good	6.486 \| good	30.815 \| good	31.029 \| good	0.655 \| good	5.596 \| good	0.151 \| good
2026-08-15T20:00:00.000Z	33 \| good	6.152 \| good	28.037 \| good	35.79 \| good	0.646 \| good	5.197 \| good	0.156 \| good
2026-08-15T21:00:00.000Z	40 \| good	7.167 \| good	42.836 \| good	40.221 \| good	0.661 \| good	4.8 \| good	0.105 \| good
2026-08-15T22:00:00.000Z	49 \| good	9.198 \| good	44.478 \| good	42.795 \| good	0.697 \| good	4.849 \| good	0.111 \| good
2026-08-15T23:00:00.000Z	52 \| moderate	8.695 \| good	58.023 \| fine	46.036 \| good	0.736 \| good	4.145 \| good	0.105 \| good
2026-08-16T00:00:00.000Z	49 \| good	8.147 \| good	33.253 \| good	53.293 \| good	0.736 \| good	3.751 \| good	0.105 \| good
2026-08-16T01:00:00.000Z	48 \| good	7.742 \| good	19.875 \| good	52.072 \| good	0.737 \| good	3.781 \| good	0.105 \| good
2026-08-16T02:00:00.000Z	45 \| good	7.287 \| good	18.701 \| good	48.685 \| good	0.727 \| good	3.713 \| good	0.116 \| good
2026-08-16T03:00:00.000Z	47 \| good	7.281 \| good	34.729 \| good	50.6 \| good	0.774 \| good	4.508 \| good	0.116 \| good
2026-08-16T04:00:00.000Z	44 \| good	6.615 \| good	31.913 \| good	47.975 \| good	0.949 \| good	6.754 \| good	0.151 \| good
2026-08-16T05:00:00.000Z	43 \| good	7.489 \| good	45.789 \| good	43.86 \| good	0.798 \| good	7.35 \| good	0.105 \| good
2026-08-16T06:00:00.000Z	52 \| moderate	9.671 \| good	54.121 \| good	46.594 \| good	0.633 \| good	6.124 \| good	0.114 \| good
2026-08-16T07:00:00.000Z	38 \| good	7.26 \| good	32.868 \| good	39.007 \| good	0.639 \| good	4.098 \| good	0.12 \| good
2026-08-16T08:00:00.000Z	54 \| moderate	11.359 \| good	21.815 \| good	36.799 \| good	0.699 \| good	4.319 \| good	0.142 \| good
2026-08-16T09:00:00.000Z	54 \| moderate	11.014 \| good	34.332 \| good	31.979 \| good	0.644 \| good	4.431 \| good	0.127 \| good
2026-08-16T10:00:00.000Z	49 \| good	9.262 \| good	27.147 \| good	30.103 \| good	0.812 \| good	4.851 \| good	0.108 \| good
2026-08-16T11:00:00.000Z	52 \| moderate	9.772 \| good	24.79 \| good	27.963 \| good	0.747 \| good	5.839 \| good	0.108 \| good
2026-08-16T12:00:00.000Z	44 \| good	8.49 \| good	30.681 \| good	30.424 \| good	0.789 \| good	5.886 \| good	0.108 \| good
2026-08-16T13:00:00.000Z	38 \| good	6.653 \| good	18.74 \| good	23.569 \| good	0.713 \| good	5.505 \| good	0.118 \| good
2026-08-16T14:00:00.000Z	33 \| good	6.076 \| good	23.463 \| good	18.825 \| good	0.723 \| good	4.498 \| good	0.119 \| good
2026-08-16T15:00:00.000Z	33 \| good	6.284 \| good	16.515 \| good	20.394 \| good	0.575 \| good	15.118 \| good	0.133 \| good
2026-08-16T16:00:00.000Z	44 \| good	7.568 \| good	35.088 \| good	24.454 \| good	0.59 \| good	21.051 \| good	0.142 \| good
2026-08-16T17:00:00.000Z	49 \| good	9.068 \| good	25.926 \| good	33.903 \| good	0.683 \| good	15.383 \| good	0.142 \| good
2026-08-16T18:00:00.000Z	49 \| good	9.348 \| good	46.452 \| good	31.599 \| good	0.694 \| good	17.47 \| good	0.142 \| good
2026-08-16T19:00:00.000Z	49 \| good	8.853 \| good	28.804 \| good	40.221 \| good	0.768 \| good	27.546 \| good	0.209 \| good
2026-08-16T20:00:00.000Z	56 \| moderate	12.149 \| fine	29.113 \| good	39.297 \| good	1.085 \| good	24.131 \| good	0.152 \| good
2026-08-16T21:00:00.000Z	52 \| moderate	10.046 \| good	27.703 \| good	46.024 \| good	1.075 \| good	22.958 \| good	0.142 \| good
2026-08-16T22:00:00.000Z	49 \| good	8.873 \| good	37.902 \| good	46.269 \| good	0.968 \| good	20.138 \| good	0.142 \| good
2026-08-16T23:00:00.000Z	49 \| good	9.068 \| good	30.415 \| good	52.206 \| good	0.803 \| good	20.551 \| good	0.142 \| good
2026-08-17T00:00:00.000Z	54 \| moderate	8.234 \| good	32.584 \| good	56.311 \| fine	0.742 \| good	19.407 \| good	0.15 \| good
2026-08-17T01:00:00.000Z	58 \| moderate	8.046 \| good	28.126 \| good	57.409 \| fine	0.808 \| good	18.002 \| good	0.15 \| good
2026-08-17T02:00:00.000Z	67 \| moderate	9.211 \| good	27.692 \| good	60.229 \| fine	0.67 \| good	17.913 \| good	0.15 \| good
2026-08-17T03:00:00.000Z	44 \| good	7.757 \| good	34.032 \| good	46.798 \| good	0.216 \| good	2.734 \| good	0.112 \| good
2026-08-17T04:00:00.000Z	47 \| good	7.364 \| good	26.995 \| good	50.605 \| good	0.856 \| good	16.447 \| good	0.15 \| good
2026-08-17T05:00:00.000Z	54 \| moderate	11.186 \| good	39.161 \| good	49.006 \| good	0.787 \| good	17.687 \| good	0.15 \| good
2026-08-17T06:00:00.000Z	44 \| good	8.21 \| good	39.222 \| good	45.135 \| good	0.974 \| good	17.664 \| good	0.165 \| good
2026-08-17T07:00:00.000Z	49 \| good	8.893 \| good	49.896 \| good	45.271 \| good	0.772 \| good	13.286 \| good	0.165 \| good
2026-08-17T08:00:00.000Z	38 \| good	7.204 \| good	27.19 \| good	30.778 \| good	0.46 \| good	6.365 \| good	0.305 \| good
2026-08-17T08:00:00.000Z	44 \| good	8.091 \| good	35.681 \| good	28.793 \| good	0.304 \| good	7.613 \| good	0.131 \| good
2026-08-17T09:00:00.000Z	44 \| good	8.184 \| good	35.764 \| good	25.724 \| good	0.314 \| good	6.783 \| good	0.126 \| good
2026-08-17T10:00:00.000Z	49 \| good	8.617 \| good	38.407 \| good	24.702 \| good	0.323 \| good	6.429 \| good	0.123 \| good
2026-08-17T11:00:00.000Z	49 \| good	8.725 \| good	38.75 \| good	22.863 \| good	0.316 \| good	6.776 \| good	0.122 \| good
2026-08-17T12:00:00.000Z	49 \| good	8.636 \| good	37.813 \| good	18.891 \| good	0.308 \| good	7.379 \| good	0.122 \| good
2026-08-17T13:00:00.000Z	49 \| good	9.043 \| good	40.201 \| good	17.424 \| good	0.304 \| good	7.869 \| good	0.122 \| good
2026-08-17T14:00:00.000Z	49 \| good	9.481 \| good	42.235 \| good	17.87 \| good	0.289 \| good	6.947 \| good	0.124 \| good
2026-08-17T15:00:00.000Z	52 \| moderate	9.875 \| good	43.832 \| good	22.401 \| good	0.308 \| good	5.536 \| good	0.131 \| good
2026-08-17T16:00:00.000Z	52 \| moderate	9.785 \| good	43.223 \| good	30.516 \| good	0.354 \| good	2.767 \| good	0.117 \| good
2026-08-17T17:00:00.000Z	49 \| good	9.433 \| good	42.129 \| good	39.411 \| good	0.385 \| good	2.051 \| good	0.118 \| good
2026-08-17T18:00:00.000Z	52 \| moderate	9.786 \| good	43.348 \| good	48.928 \| good	0.391 \| good	1.541 \| good	0.118 \| good
2026-08-17T19:00:00.000Z	54 \| moderate	10.971 \| good	48.417 \| good	55.675 \| fine	0.388 \| good	1.093 \| good	0.119 \| good
2026-08-17T20:00:00.000Z	67 \| moderate	10.702 \| good	47.364 \| good	59.804 \| fine	0.377 \| good	0.834 \| good	0.118 \| good
2026-08-17T21:00:00.000Z	80 \| moderate	11.035 \| good	48.894 \| good	63.542 \| fine	0.366 \| good	0.626 \| good	0.117 \| good
2026-08-17T22:00:00.000Z	90 \| moderate	10.88 \| good	48.241 \| good	66.919 \| fine	0.346 \| good	0.514 \| good	0.115 \| good
2026-08-17T23:00:00.000Z	90 \| moderate	10.031 \| good	44.398 \| good	66.622 \| fine	0.315 \| good	0.461 \| good	0.112 \| good
2026-08-18T00:00:00.000Z	80 \| moderate	10.073 \| good	44.486 \| good	64.224 \| fine	0.286 \| good	0.459 \| good	0.108 \| good
2026-08-18T01:00:00.000Z	71 \| moderate	9.447 \| good	41.949 \| good	61.339 \| fine	0.268 \| good	0.548 \| good	0.106 \| good
2026-08-18T02:00:00.000Z	52 \| moderate	9.604 \| good	42.804 \| good	53.121 \| good	0.262 \| good	0.847 \| good	0.106 \| good
2026-08-18T03:00:00.000Z	45 \| good	8.105 \| good	35.398 \| good	49.02 \| good	0.271 \| good	2.271 \| good	0.112 \| good
2026-08-18T04:00:00.000Z	49 \| good	8.789 \| good	38.345 \| good	46.139 \| good	0.308 \| good	3.964 \| good	0.12 \| good
2026-08-18T05:00:00.000Z	49 \| good	9.267 \| good	41.244 \| good	42.092 \| good	0.331 \| good	4.731 \| good	0.124 \| good
2026-08-18T06:00:00.000Z	49 \| good	9.329 \| good	41.755 \| good	39.32 \| good	0.346 \| good	5.182 \| good	0.126 \| good
2026-08-18T07:00:00.000Z	49 \| good	9.259 \| good	41.164 \| good	35.375 \| good	0.356 \| good	5.545 \| good	0.128 \| good
2026-08-18T08:00:00.000Z	52 \| moderate	9.895 \| good	43.819 \| good	32.499 \| good	0.359 \| good	5.72 \| good	0.127 \| good
2026-08-18T09:00:00.000Z	49 \| good	9.215 \| good	41.099 \| good	30.125 \| good	0.361 \| good	5.88 \| good	0.126 \| good
2026-08-18T10:00:00.000Z	49 \| good	8.655 \| good	38.035 \| good	27.216 \| good	0.357 \| good	6.097 \| good	0.125 \| good
2026-08-18T11:00:00.000Z	44 \| good	8.411 \| good	36.892 \| good	24.885 \| good	0.348 \| good	6.4 \| good	0.124 \| good
2026-08-18T12:00:00.000Z	44 \| good	7.876 \| good	34.409 \| good	18.485 \| good	0.338 \| good	6.721 \| good	0.123 \| good
2026-08-18T13:00:00.000Z	44 \| good	8.29 \| good	36.264 \| good	17.999 \| good	0.331 \| good	7.036 \| good	0.122 \| good
2026-08-18T14:00:00.000Z	49 \| good	8.825 \| good	39.302 \| good	18.303 \| good	0.312 \| good	6.625 \| good	0.123 \| good
2026-08-18T15:00:00.000Z	52 \| moderate	10.292 \| good	45.658 \| good	26.378 \| good	0.333 \| good	5.433 \| good	0.128 \| good
2026-08-18T16:00:00.000Z	54 \| moderate	10.822 \| good	48.012 \| good	35.746 \| good	0.357 \| good	2.916 \| good	0.117 \| good
2026-08-18T17:00:00.000Z	54 \| moderate	10.76 \| good	47.597 \| good	45.579 \| good	0.403 \| good	2.132 \| good	0.118 \| good
2026-08-18T18:00:00.000Z	54 \| moderate	10.829 \| good	47.713 \| good	54.611 \| good	0.42 \| good	1.478 \| good	0.119 \| good
2026-08-18T19:00:00.000Z	71 \| moderate	10.782 \| good	47.713 \| good	60.821 \| fine	0.415 \| good	1.066 \| good	0.117 \| good
2026-08-18T20:00:00.000Z	77 \| moderate	10.373 \| good	45.826 \| good	63.232 \| fine	0.398 \| good	0.877 \| good	0.115 \| good
2026-08-18T21:00:00.000Z	80 \| moderate	10 \| good	44.42 \| good	64.336 \| fine	0.37 \| good	0.748 \| good	0.113 \| good
2026-08-18T22:00:00.000Z	84 \| moderate	9.386 \| good	42.122 \| good	65.276 \| fine	0.341 \| good	0.66 \| good	0.11 \| good
2026-08-18T23:00:00.000Z	84 \| moderate	8.275 \| good	36.232 \| good	64.855 \| fine	0.316 \| good	0.615 \| good	0.108 \| good
2026-08-19T00:00:00.000Z	71 \| moderate	7.489 \| good	32.806 \| good	61.007 \| fine	0.297 \| good	0.632 \| good	0.106 \| good
2026-08-19T01:00:00.000Z	54 \| moderate	7.116 \| good	31.581 \| good	56.046 \| fine	0.283 \| good	0.744 \| good	0.105 \| good
2026-08-19T02:00:00.000Z	47 \| good	7.745 \| good	34.079 \| good	51.448 \| good	0.273 \| good	1.088 \| good	0.105 \| good
2026-08-19T03:00:00.000Z	44 \| good	7.535 \| good	33.186 \| good	46.398 \| good	0.281 \| good	2.453 \| good	0.11 \| good
2026-08-19T04:00:00.000Z	44 \| good	7.72 \| good	33.7 \| good	44.022 \| good	0.314 \| good	4.206 \| good	0.119 \| good
2026-08-19T05:00:00.000Z	49 \| good	8.633 \| good	37.765 \| good	41.331 \| good	0.337 \| good	5.835 \| good	0.126 \| good
2026-08-19T06:00:00.000Z	38 \| good	6.514 \| good	7.883 \| good	32.849 \| good	0.353 \| good	7.293 \| good	0.132 \| good
2026-08-19T07:00:00.000Z	49 \| good	8.868 \| good	38.997 \| good	35.49 \| good	0.354 \| good	8.366 \| good	0.137 \| 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?