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

The PM10 concentration in California, USA is 23.537 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 0.774 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 57.595 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 4.332 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 5.438 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)

Moderate

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)

5.63 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

25.46 μg/m³

155

255

425

605+

Ozone (O₃)

57.85 ppb

201

201+

Sulfur Dioxide (SO₂)

0.96 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.31 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.28 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

High

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
2026-04-17T03:00:00.000Z	38 \| good	3.49 \| good	15.459 \| good	41.297 \| good	0.306 \| good	2.642 \| good	0.145 \| good
2026-04-17T04:00:00.000Z	41 \| good	2.285 \| good	13.171 \| good	44.202 \| good	0.59 \| good	4.513 \| good	0.111 \| good
2026-04-17T05:00:00.000Z	41 \| good	7.32 \| good	28.095 \| good	44.401 \| good	0.579 \| good	4.73 \| good	0.12 \| good
2026-04-17T06:00:00.000Z	96 \| moderate	4.545 \| good	144.79 \| fine	41.222 \| good	0.531 \| good	4.842 \| good	0.12 \| good
2026-04-17T07:00:00.000Z	36 \| good	5.668 \| good	28.813 \| good	39.448 \| good	0.531 \| good	5.525 \| good	0.12 \| good
2026-04-17T08:00:00.000Z	34 \| good	5.332 \| good	26.236 \| good	37.396 \| good	0.541 \| good	6.263 \| good	0.126 \| good
2026-04-17T09:00:00.000Z	33 \| good	3.611 \| good	22.136 \| good	36.492 \| good	0.533 \| good	6.657 \| good	0.12 \| good
2026-04-17T10:00:00.000Z	30 \| good	4.119 \| good	25.102 \| good	31.948 \| good	0.532 \| good	6.902 \| good	0.12 \| good
2026-04-17T11:00:00.000Z	33 \| good	5.58 \| good	25.295 \| good	33.752 \| good	0.604 \| good	6.914 \| good	0.12 \| good
2026-04-17T12:00:00.000Z	27 \| good	4.747 \| good	20.061 \| good	28.547 \| good	0.532 \| good	7.553 \| good	0.12 \| good
2026-04-17T13:00:00.000Z	44 \| good	8.277 \| good	42.358 \| good	26.133 \| good	0.468 \| good	7.646 \| good	0.115 \| good
2026-04-17T14:00:00.000Z	38 \| good	6.859 \| good	29.612 \| good	26.82 \| good	0.468 \| good	7.331 \| good	0.146 \| good
2026-04-17T15:00:00.000Z	33 \| good	5.554 \| good	27.444 \| good	25.575 \| good	0.614 \| good	15.581 \| good	0.338 \| good
2026-04-17T16:00:00.000Z	38 \| good	7.119 \| good	32.24 \| good	22.629 \| good	0.621 \| good	14.722 \| good	0.255 \| good
2026-04-17T17:00:00.000Z	33 \| good	5.23 \| good	29.331 \| good	36.245 \| good	0.812 \| good	11.849 \| good	0.2 \| good
2026-04-17T18:00:00.000Z	34 \| good	3.702 \| good	37.452 \| good	27.953 \| good	0.778 \| good	8.693 \| good	0.14 \| good
2026-04-17T19:00:00.000Z	31 \| good	4.93 \| good	30.104 \| good	33.482 \| good	0.768 \| good	7.444 \| good	0.14 \| good
2026-04-17T20:00:00.000Z	35 \| good	4.465 \| good	20.104 \| good	38.173 \| good	0.861 \| good	6.477 \| good	0.111 \| good
2026-04-17T21:00:00.000Z	44 \| good	4.002 \| good	19.393 \| good	46.797 \| good	0.96 \| good	6.396 \| good	0.106 \| good
2026-04-17T22:00:00.000Z	43 \| good	4.16 \| good	19.957 \| good	45.85 \| good	1.116 \| good	5.21 \| good	0.106 \| good
2026-04-17T23:00:00.000Z	44 \| good	5.56 \| good	25.057 \| good	47.711 \| good	1.226 \| good	5.29 \| good	0.111 \| good
2026-04-18T00:00:00.000Z	46 \| good	4.061 \| good	18.055 \| good	49.977 \| good	1.162 \| good	5.364 \| good	0.111 \| good
2026-04-18T01:00:00.000Z	46 \| good	6.782 \| good	25.268 \| good	49.607 \| good	1.363 \| good	6.078 \| good	0.12 \| good
2026-04-18T02:00:00.000Z	49 \| good	3.964 \| good	10.53 \| good	53.485 \| good	1.263 \| good	7.949 \| good	0.111 \| good
2026-04-18T03:00:00.000Z	48 \| good	6.067 \| good	20.121 \| good	51.759 \| good	1.145 \| good	9.476 \| good	0.126 \| good
2026-04-18T04:00:00.000Z	44 \| good	5.281 \| good	32.356 \| good	46.737 \| good	1.064 \| good	10.577 \| good	0.165 \| good
2026-04-18T05:00:00.000Z	39 \| good	7.194 \| good	34.476 \| good	42.194 \| good	0.991 \| good	10.861 \| good	0.2 \| good
2026-04-18T06:00:00.000Z	38 \| good	7.008 \| good	28.767 \| good	37.732 \| good	0.789 \| good	12.447 \| good	0.2 \| good
2026-04-18T07:00:00.000Z	39 \| good	6.847 \| good	23.835 \| good	42.313 \| good	0.827 \| good	11.454 \| good	0.155 \| good
2026-04-18T08:00:00.000Z	49 \| good	9.4 \| good	36.685 \| good	40.269 \| good	0.753 \| good	10.513 \| good	0.16 \| good
2026-04-18T09:00:00.000Z	44 \| good	8.192 \| good	45.587 \| good	38.96 \| good	0.688 \| good	8.868 \| good	0.153 \| good
2026-04-18T10:00:00.000Z	38 \| good	7.421 \| good	34.824 \| good	39.184 \| good	0.599 \| good	7.848 \| good	0.177 \| good
2026-04-18T11:00:00.000Z	44 \| good	8.065 \| good	22.208 \| good	31.858 \| good	0.54 \| good	10.181 \| good	0.177 \| good
2026-04-18T12:00:00.000Z	49 \| good	8.769 \| good	39.981 \| good	33.544 \| good	0.494 \| good	9.014 \| good	0.159 \| good
2026-04-18T13:00:00.000Z	44 \| good	8.051 \| good	16.43 \| good	30.1 \| good	0.438 \| good	9.965 \| good	0.169 \| good
2026-04-18T14:00:00.000Z	27 \| good	3.248 \| good	12.285 \| good	29.276 \| good	0.507 \| good	9.776 \| good	0.267 \| good
2026-04-18T15:00:00.000Z	25 \| good	3.175 \| good	13.317 \| good	26.554 \| good	0.581 \| good	12.353 \| good	0.235 \| good
2026-04-18T16:00:00.000Z	30 \| good	4.67 \| good	20.124 \| good	31.673 \| good	0.745 \| good	9.817 \| good	0.259 \| good
2026-04-18T17:00:00.000Z	33 \| good	6.198 \| good	26.374 \| good	29.795 \| good	1.009 \| good	7.393 \| good	0.205 \| good
2026-04-18T18:00:00.000Z	38 \| good	6.676 \| good	29.465 \| good	30.502 \| good	1.032 \| good	7.425 \| good	0.216 \| good
2026-04-18T19:00:00.000Z	38 \| good	6.776 \| good	35.964 \| good	35.328 \| good	1.395 \| good	7.817 \| good	0.165 \| good
2026-04-18T20:00:00.000Z	44 \| good	8.017 \| good	34.744 \| good	40.653 \| good	1.242 \| good	7.188 \| good	0.205 \| good
2026-04-18T21:00:00.000Z	52 \| moderate	10.301 \| good	39.909 \| good	44.671 \| good	1.096 \| good	6.3 \| good	0.2 \| good
2026-04-18T22:00:00.000Z	52 \| moderate	9.633 \| good	41.189 \| good	51.603 \| good	1.07 \| good	4.865 \| good	0.126 \| good
2026-04-18T23:00:00.000Z	51 \| moderate	7.742 \| good	30.604 \| good	54.512 \| good	0.955 \| good	4.902 \| good	0.126 \| good
2026-04-19T00:00:00.000Z	54 \| moderate	5.439 \| good	24.695 \| good	56.332 \| fine	1.013 \| good	4.37 \| good	0.126 \| good
2026-04-19T01:00:00.000Z	64 \| moderate	5.582 \| good	21.024 \| good	58.747 \| fine	1.007 \| good	4.753 \| good	0.126 \| good
2026-04-19T02:00:00.000Z	61 \| moderate	5.634 \| good	25.457 \| good	57.847 \| fine	0.96 \| good	4.308 \| good	0.283 \| good
2026-04-19T02:00:00.000Z	46 \| good	2.914 \| good	12.177 \| good	50.244 \| good	0.362 \| good	4.495 \| good	0.149 \| good
2026-04-19T03:00:00.000Z	37 \| good	2.845 \| good	12.025 \| good	39.916 \| good	0.385 \| good	6.386 \| good	0.164 \| good
2026-04-19T04:00:00.000Z	33 \| good	3.492 \| good	15.635 \| good	35.969 \| good	0.366 \| good	7.365 \| good	0.174 \| good
2026-04-19T05:00:00.000Z	31 \| good	4.006 \| good	17.521 \| good	32.545 \| good	0.347 \| good	8.345 \| good	0.183 \| good
2026-04-19T06:00:00.000Z	29 \| good	3.186 \| good	13.995 \| good	30.692 \| good	0.327 \| good	9.325 \| good	0.193 \| good
2026-04-19T07:00:00.000Z	29 \| good	2.773 \| good	11.637 \| good	30.709 \| good	0.298 \| good	8.497 \| good	0.185 \| good
2026-04-19T08:00:00.000Z	29 \| good	2.443 \| good	10.173 \| good	31.256 \| good	0.268 \| good	7.669 \| good	0.177 \| good
2026-04-19T09:00:00.000Z	29 \| good	3.177 \| good	13.545 \| good	31.342 \| good	0.239 \| good	6.841 \| good	0.169 \| good
2026-04-19T10:00:00.000Z	28 \| good	4.638 \| good	20.251 \| good	29.642 \| good	0.229 \| good	6.437 \| good	0.162 \| good
2026-04-19T11:00:00.000Z	27 \| good	5.09 \| good	21.902 \| good	27.973 \| good	0.218 \| good	6.032 \| good	0.155 \| good
2026-04-19T12:00:00.000Z	26 \| good	3.787 \| good	16.599 \| good	28.145 \| good	0.208 \| good	5.628 \| good	0.148 \| good
2026-04-19T13:00:00.000Z	22 \| good	3.729 \| good	16.203 \| good	23.974 \| good	0.208 \| good	5.624 \| good	0.155 \| good
2026-04-19T14:00:00.000Z	22 \| good	4.202 \| good	18.276 \| good	24.287 \| good	0.207 \| good	5.62 \| good	0.161 \| good
2026-04-19T15:00:00.000Z	27 \| good	4.689 \| good	20.474 \| good	27.314 \| good	0.206 \| good	5.616 \| good	0.168 \| good
2026-04-19T16:00:00.000Z	33 \| good	6.313 \| good	28.038 \| good	34.035 \| good	0.347 \| good	4.456 \| good	0.16 \| good
2026-04-19T17:00:00.000Z	39 \| good	6.988 \| good	31.047 \| good	42.407 \| good	0.488 \| good	3.297 \| good	0.152 \| good
2026-04-19T18:00:00.000Z	47 \| good	7.624 \| good	33.478 \| good	50.873 \| good	0.629 \| good	2.137 \| good	0.144 \| good
2026-04-19T19:00:00.000Z	58 \| moderate	6.969 \| good	30.993 \| good	56.779 \| fine	0.627 \| good	1.645 \| good	0.14 \| good
2026-04-19T20:00:00.000Z	61 \| moderate	6.581 \| good	29.401 \| good	58.419 \| fine	0.624 \| good	1.153 \| good	0.135 \| good
2026-04-19T21:00:00.000Z	67 \| moderate	5.841 \| good	25.698 \| good	60.114 \| fine	0.621 \| good	0.66 \| good	0.13 \| good
2026-04-19T22:00:00.000Z	77 \| moderate	5.791 \| good	24.78 \| good	62.529 \| fine	0.616 \| good	0.674 \| good	0.129 \| good
2026-04-19T23:00:00.000Z	80 \| moderate	6.066 \| good	26.831 \| good	64.46 \| fine	0.611 \| good	0.688 \| good	0.129 \| good
2026-04-20T00:00:00.000Z	80 \| moderate	5.916 \| good	26.244 \| good	64.406 \| fine	0.606 \| good	0.702 \| good	0.128 \| good
2026-04-20T01:00:00.000Z	80 \| moderate	5.237 \| good	22.632 \| good	63.661 \| fine	0.605 \| good	2.55 \| good	0.144 \| good
2026-04-20T02:00:00.000Z	71 \| moderate	4.123 \| good	17.893 \| good	61.106 \| fine	0.605 \| good	4.398 \| good	0.159 \| good
2026-04-20T03:00:00.000Z	47 \| good	3.936 \| good	16.984 \| good	50.714 \| good	0.604 \| good	6.245 \| good	0.175 \| good
2026-04-20T04:00:00.000Z	40 \| good	6.03 \| good	26.557 \| good	43.419 \| good	0.558 \| good	5.983 \| good	0.171 \| good
2026-04-20T05:00:00.000Z	33 \| good	6.253 \| good	27.681 \| good	36.47 \| good	0.513 \| good	5.72 \| good	0.167 \| good
2026-04-20T06:00:00.000Z	38 \| good	6.511 \| good	29.092 \| good	37.494 \| good	0.468 \| good	5.457 \| good	0.163 \| good
2026-04-20T07:00:00.000Z	44 \| good	7.93 \| good	35.01 \| good	38.653 \| good	0.443 \| good	5.246 \| good	0.159 \| good
2026-04-20T08:00:00.000Z	36 \| good	6.395 \| good	28.291 \| good	38.912 \| good	0.418 \| good	5.034 \| good	0.156 \| good
2026-04-20T09:00:00.000Z	44 \| good	7.615 \| good	33.745 \| good	35.245 \| good	0.394 \| good	4.823 \| good	0.152 \| good
2026-04-20T10:00:00.000Z	49 \| good	9.371 \| good	41.57 \| good	33.041 \| good	0.392 \| good	4.876 \| good	0.149 \| good
2026-04-20T11:00:00.000Z	54 \| moderate	11.369 \| good	50.229 \| good	33.333 \| good	0.39 \| good	4.929 \| good	0.146 \| good
2026-04-20T12:00:00.000Z	52 \| moderate	10.181 \| good	45.062 \| good	33.059 \| good	0.388 \| good	4.982 \| good	0.143 \| good
2026-04-20T13:00:00.000Z	29 \| good	4.425 \| good	19.083 \| good	31.053 \| good	0.396 \| good	4.864 \| good	0.149 \| good
2026-04-20T14:00:00.000Z	28 \| good	4.185 \| good	18.505 \| good	29.543 \| good	0.404 \| good	4.746 \| good	0.156 \| good
2026-04-20T15:00:00.000Z	32 \| good	4.142 \| good	18.171 \| good	35.393 \| good	0.412 \| good	4.629 \| good	0.162 \| good
2026-04-20T16:00:00.000Z	37 \| good	4.094 \| good	18.051 \| good	40.268 \| good	0.398 \| good	3.548 \| good	0.149 \| good
2026-04-20T17:00:00.000Z	40 \| good	4.099 \| good	17.715 \| good	42.968 \| good	0.385 \| good	2.467 \| good	0.137 \| good
2026-04-20T18:00:00.000Z	43 \| good	4.435 \| good	19.493 \| good	45.803 \| good	0.371 \| good	1.386 \| good	0.124 \| good
2026-04-20T19:00:00.000Z	47 \| good	4.927 \| good	21.488 \| good	50.591 \| good	0.311 \| good	1.093 \| good	0.12 \| good
2026-04-20T20:00:00.000Z	54 \| moderate	6.239 \| good	27.429 \| good	55.531 \| fine	0.251 \| good	0.801 \| good	0.116 \| good
2026-04-20T21:00:00.000Z	64 \| moderate	6.486 \| good	28.809 \| good	59.474 \| fine	0.191 \| good	0.508 \| good	0.112 \| good
2026-04-20T22:00:00.000Z	74 \| moderate	6.572 \| good	29.439 \| good	61.667 \| fine	0.186 \| good	0.536 \| good	0.112 \| good
2026-04-20T23:00:00.000Z	71 \| moderate	6.138 \| good	27.149 \| good	61.304 \| fine	0.182 \| good	0.563 \| good	0.111 \| good
2026-04-21T00:00:00.000Z	84 \| moderate	5.049 \| good	20.522 \| good	65.11 \| fine	0.177 \| good	0.593 \| good	0.11 \| good
2026-04-21T01:00:00.000Z	51 \| moderate	5.078 \| good	21.946 \| good	55.349 \| fine	0.198 \| good	2.215 \| good	0.124 \| 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
Adelanto, California	64 Moderate	2.54μg/m³ Good	14.16μg/m³ Good	58.81ppb Fine	0.70ppb Good	1.81ppb Good	0.29ppm Good
ArdenArcade, California	74 Moderate	2.82μg/m³ Good	12.00μg/m³ Good	61.82ppb Fine	1.08ppb Good	3.04ppb Good	0.24ppm Good
Banning, California	80 Moderate	2.48μg/m³ Good	13.10μg/m³ Good	63.54ppb Fine	0.62ppb Good	1.81ppb Good	0.29ppm Good
Belmont, California	42 Good	3.50μg/m³ Good	14.64μg/m³ Good	45.05ppb Good	0.60ppb Good	5.10ppb Good	0.31ppm Good
Big Bear City, California	61 Moderate	1.02μg/m³ Good	4.14μg/m³ Good	57.90ppb Fine	0.63ppb Good	1.73ppb Good	0.29ppm Good
Bloomington, California	93 Moderate	4.99μg/m³ Good	28.57μg/m³ Good	68.05ppb Fine	0.70ppb Good	3.54ppb Good	0.25ppm Good
Anderson, California	49 Good	4.54μg/m³ Good	17.54μg/m³ Good	52.79ppb Good	0.89ppb Good	2.64ppb Good	0.22ppm Good
Antelope, California	54 Moderate	3.66μg/m³ Good	11.71μg/m³ Good	55.90ppb Fine	1.04ppb Good	2.81ppb Good	0.24ppm Good
Azusa, California	90 Moderate	5.34μg/m³ Good	31.86μg/m³ Good	67.36ppb Fine	0.67ppb Good	2.21ppb Good	0.31ppm Good
Benicia, California	49 Good	1.35μg/m³ Good	5.67μg/m³ Good	52.71ppb Good	0.90ppb Good	2.25ppb Good	0.24ppm Good
Beverly Hills, California	97 Moderate	6.48μg/m³ Good	25.23μg/m³ Good	69.46ppb Fine	0.75ppb Good	4.75ppb Good	0.26ppm Good
Albany, California	38 Good	7.05μg/m³ Good	31.38μg/m³ Good	39.38ppb Good	0.49ppb Good	7.73ppb Good	0.38ppm Good
Artesia, California	71 Moderate	7.76μg/m³ Good	32.27μg/m³ Good	60.62ppb Fine	0.59ppb Good	6.20ppb Good	0.26ppm Good
Atascadero, California	51 Moderate	4.68μg/m³ Good	28.01μg/m³ Good	55.20ppb Fine	0.97ppb Good	1.02ppb Good	0.16ppm Good
Atwater, California	61 Moderate	5.17μg/m³ Good	21.10μg/m³ Good	57.94ppb Fine	1.13ppb Good	3.22ppb Good	0.21ppm Good
Citrus, California	90 Moderate	5.34μg/m³ Good	31.86μg/m³ Good	67.36ppb Fine	0.67ppb Good	2.21ppb Good	0.31ppm Good
Bakersfield, California	54 Moderate	3.16μg/m³ Good	21.37μg/m³ Good	56.48ppb Fine	0.84ppb Good	10.01ppb Good	0.20ppm Good
Arcadia, California	90 Moderate	7.27μg/m³ Good	32.66μg/m³ Good	67.21ppb Fine	0.73ppb Good	3.94ppb Good	0.28ppm Good
Ashland, California	46 Good	5.80μg/m³ Good	24.42μg/m³ Good	50.11ppb Good	0.58ppb Good	5.53ppb Good	0.32ppm Good
Baldwin Park, California	105 Unhealthy for sensitive groups	7.65μg/m³ Good	37.34μg/m³ Good	71.65ppb Moderate	0.69ppb Good	5.17ppb Good	0.31ppm Good
Beaumont, California	80 Moderate	3.16μg/m³ Good	9.55μg/m³ Good	64.39ppb Fine	0.64ppb Good	1.72ppb Good	0.29ppm Good
Alamo, California	50 Good	3.65μg/m³ Good	15.84μg/m³ Good	53.91ppb Good	0.57ppb Good	3.69ppb Good	0.31ppm Good
Antioch, California	54 Moderate	3.71μg/m³ Good	15.33μg/m³ Good	55.73ppb Fine	0.91ppb Good	3.51ppb Good	0.33ppm Good
Avocado Heights, California	87 Moderate	6.23μg/m³ Good	30.13μg/m³ Good	65.53ppb Fine	0.74ppb Good	3.45ppb Good	0.31ppm Good
Bellflower, California	71 Moderate	7.79μg/m³ Good	31.97μg/m³ Good	61.30ppb Fine	0.61ppb Good	6.31ppb Good	0.23ppm Good
Blackhawk, California	50 Good	4.86μg/m³ Good	14.42μg/m³ Good	53.89ppb Good	0.62ppb Good	3.52ppb Good	0.34ppm Good
Alhambra, California	90 Moderate	7.96μg/m³ Good	35.05μg/m³ Good	67.50ppb Fine	0.71ppb Good	4.25ppb Good	0.26ppm Good
Alpine, California	61 Moderate	6.91μg/m³ Good	33.01μg/m³ Good	57.99ppb Fine	0.59ppb Good	3.95ppb Good	0.30ppm Good
Apple Valley, California	61 Moderate	2.74μg/m³ Good	13.62μg/m³ Good	58.31ppb Fine	0.67ppb Good	1.75ppb Good	0.29ppm Good
Auburn, California	50 Good	6.28μg/m³ Good	27.59μg/m³ Good	53.58ppb Good	0.93ppb Good	2.72ppb Good	0.27ppm Good
Barstow, California	64 Moderate	2.10μg/m³ Good	10.00μg/m³ Good	59.00ppb Fine	0.68ppb Good	1.77ppb Good	0.29ppm Good
Bell, California	77 Moderate	8.38μg/m³ Good	33.46μg/m³ Good	63.29ppb Fine	0.71ppb Good	5.45ppb Good	0.22ppm Good
Bell Gardens, California	77 Moderate	7.23μg/m³ Good	31.87μg/m³ Good	63.25ppb Fine	0.70ppb Good	4.75ppb Good	0.24ppm Good
Alum Rock, California	58 Moderate	3.93μg/m³ Good	17.17μg/m³ Good	56.88ppb Fine	0.88ppb Good	7.63ppb Good	0.28ppm Good
American Canyon, California	51 Moderate	2.54μg/m³ Good	11.30μg/m³ Good	54.89ppb Fine	0.94ppb Good	2.11ppb Good	0.15ppm Good
Anaheim, California	77 Moderate	6.96μg/m³ Good	29.98μg/m³ Good	62.54ppb Fine	0.61ppb Good	10.58ppb Good	0.56ppm Good
Arcata, California	37 Good	3.03μg/m³ Good	8.51μg/m³ Good	39.95ppb Good	0.92ppb Good	2.44ppb Good	0.22ppm Good
Avenal, California	58 Moderate	4.46μg/m³ Good	31.29μg/m³ Good	57.34ppb Fine	1.01ppb Good	3.98ppb Good	0.16ppm Good
Bay Point, California	51 Moderate	3.27μg/m³ Good	15.04μg/m³ Good	54.57ppb Fine	0.63ppb Good	2.77ppb Good	0.28ppm Good
Berkeley, California	38 Good	7.33μg/m³ Good	32.69μg/m³ Good	40.15ppb Good	0.47ppb Good	7.93ppb Good	0.38ppm Good
Agoura Hills, California	100 Moderate	5.14μg/m³ Good	22.40μg/m³ Good	70.41ppb Moderate	0.71ppb Good	6.90ppb Good	0.28ppm Good
Alameda, California	38 Good	7.20μg/m³ Good	31.91μg/m³ Good	41.20ppb Good	0.45ppb Good	10.31ppb Good	0.38ppm Good
Aliso Viejo, California	71 Moderate	8.33μg/m³ Good	31.10μg/m³ Good	61.13ppb Fine	0.69ppb Good	7.63ppb Good	0.36ppm Good
Arroyo Grande, California	54 Moderate	4.86μg/m³ Good	27.62μg/m³ Good	55.94ppb Fine	0.99ppb Good	1.27ppb Good	0.16ppm Good
Arvin, California	58 Moderate	3.06μg/m³ Good	14.02μg/m³ Good	56.68ppb Fine	0.82ppb Good	4.17ppb Good	0.23ppm Good
Cameron Park, California	47 Good	2.99μg/m³ Good	13.15μg/m³ Good	50.85ppb Good	0.96ppb Good	2.73ppb Good	0.27ppm Good
Camp Pendleton South, California	49 Good	8.88μg/m³ Good	29.10μg/m³ Good	51.21ppb Good	0.64ppb Good	1.80ppb Good	0.32ppm Good
Campbell, California	54 Moderate	4.95μg/m³ Good	19.65μg/m³ Good	55.71ppb Fine	0.89ppb Good	4.89ppb Good	0.26ppm Good
Castro Valley, California	47 Good	5.37μg/m³ Good	21.29μg/m³ Good	50.57ppb Good	0.60ppb Good	6.46ppb Good	0.34ppm Good
Cerritos, California	71 Moderate	7.21μg/m³ Good	34.84μg/m³ Good	61.10ppb Fine	0.63ppb Good	5.21ppb Good	0.35ppm Good

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

0.17ppm

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 12:00:00 on 2026-04-19.

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 2026-04-18.

What is the AQI in California, USA right now?

As of now, the AQI in California, USA is 61, indicating Moderate 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 5.438 μg/m³.

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

The PM₁₀ concentration in California, USA is 23.537 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 0.278 ppm.

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

Currently, California, USA has a sulfur dioxide (SO₂) concentration of 0.774 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 57.595 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 4.332 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-17T03:00:00.000Z	38 \| good	3.49 \| good	15.459 \| good	41.297 \| good	0.306 \| good	2.642 \| good	0.145 \| good
2026-04-17T04:00:00.000Z	41 \| good	2.285 \| good	13.171 \| good	44.202 \| good	0.59 \| good	4.513 \| good	0.111 \| good
2026-04-17T05:00:00.000Z	41 \| good	7.32 \| good	28.095 \| good	44.401 \| good	0.579 \| good	4.73 \| good	0.12 \| good
2026-04-17T06:00:00.000Z	96 \| moderate	4.545 \| good	144.79 \| fine	41.222 \| good	0.531 \| good	4.842 \| good	0.12 \| good
2026-04-17T07:00:00.000Z	36 \| good	5.668 \| good	28.813 \| good	39.448 \| good	0.531 \| good	5.525 \| good	0.12 \| good
2026-04-17T08:00:00.000Z	34 \| good	5.332 \| good	26.236 \| good	37.396 \| good	0.541 \| good	6.263 \| good	0.126 \| good
2026-04-17T09:00:00.000Z	33 \| good	3.611 \| good	22.136 \| good	36.492 \| good	0.533 \| good	6.657 \| good	0.12 \| good
2026-04-17T10:00:00.000Z	30 \| good	4.119 \| good	25.102 \| good	31.948 \| good	0.532 \| good	6.902 \| good	0.12 \| good
2026-04-17T11:00:00.000Z	33 \| good	5.58 \| good	25.295 \| good	33.752 \| good	0.604 \| good	6.914 \| good	0.12 \| good
2026-04-17T12:00:00.000Z	27 \| good	4.747 \| good	20.061 \| good	28.547 \| good	0.532 \| good	7.553 \| good	0.12 \| good
2026-04-17T13:00:00.000Z	44 \| good	8.277 \| good	42.358 \| good	26.133 \| good	0.468 \| good	7.646 \| good	0.115 \| good
2026-04-17T14:00:00.000Z	38 \| good	6.859 \| good	29.612 \| good	26.82 \| good	0.468 \| good	7.331 \| good	0.146 \| good
2026-04-17T15:00:00.000Z	33 \| good	5.554 \| good	27.444 \| good	25.575 \| good	0.614 \| good	15.581 \| good	0.338 \| good
2026-04-17T16:00:00.000Z	38 \| good	7.119 \| good	32.24 \| good	22.629 \| good	0.621 \| good	14.722 \| good	0.255 \| good
2026-04-17T17:00:00.000Z	33 \| good	5.23 \| good	29.331 \| good	36.245 \| good	0.812 \| good	11.849 \| good	0.2 \| good
2026-04-17T18:00:00.000Z	34 \| good	3.702 \| good	37.452 \| good	27.953 \| good	0.778 \| good	8.693 \| good	0.14 \| good
2026-04-17T19:00:00.000Z	31 \| good	4.93 \| good	30.104 \| good	33.482 \| good	0.768 \| good	7.444 \| good	0.14 \| good
2026-04-17T20:00:00.000Z	35 \| good	4.465 \| good	20.104 \| good	38.173 \| good	0.861 \| good	6.477 \| good	0.111 \| good
2026-04-17T21:00:00.000Z	44 \| good	4.002 \| good	19.393 \| good	46.797 \| good	0.96 \| good	6.396 \| good	0.106 \| good
2026-04-17T22:00:00.000Z	43 \| good	4.16 \| good	19.957 \| good	45.85 \| good	1.116 \| good	5.21 \| good	0.106 \| good
2026-04-17T23:00:00.000Z	44 \| good	5.56 \| good	25.057 \| good	47.711 \| good	1.226 \| good	5.29 \| good	0.111 \| good
2026-04-18T00:00:00.000Z	46 \| good	4.061 \| good	18.055 \| good	49.977 \| good	1.162 \| good	5.364 \| good	0.111 \| good
2026-04-18T01:00:00.000Z	46 \| good	6.782 \| good	25.268 \| good	49.607 \| good	1.363 \| good	6.078 \| good	0.12 \| good
2026-04-18T02:00:00.000Z	49 \| good	3.964 \| good	10.53 \| good	53.485 \| good	1.263 \| good	7.949 \| good	0.111 \| good
2026-04-18T03:00:00.000Z	48 \| good	6.067 \| good	20.121 \| good	51.759 \| good	1.145 \| good	9.476 \| good	0.126 \| good
2026-04-18T04:00:00.000Z	44 \| good	5.281 \| good	32.356 \| good	46.737 \| good	1.064 \| good	10.577 \| good	0.165 \| good
2026-04-18T05:00:00.000Z	39 \| good	7.194 \| good	34.476 \| good	42.194 \| good	0.991 \| good	10.861 \| good	0.2 \| good
2026-04-18T06:00:00.000Z	38 \| good	7.008 \| good	28.767 \| good	37.732 \| good	0.789 \| good	12.447 \| good	0.2 \| good
2026-04-18T07:00:00.000Z	39 \| good	6.847 \| good	23.835 \| good	42.313 \| good	0.827 \| good	11.454 \| good	0.155 \| good
2026-04-18T08:00:00.000Z	49 \| good	9.4 \| good	36.685 \| good	40.269 \| good	0.753 \| good	10.513 \| good	0.16 \| good
2026-04-18T09:00:00.000Z	44 \| good	8.192 \| good	45.587 \| good	38.96 \| good	0.688 \| good	8.868 \| good	0.153 \| good
2026-04-18T10:00:00.000Z	38 \| good	7.421 \| good	34.824 \| good	39.184 \| good	0.599 \| good	7.848 \| good	0.177 \| good
2026-04-18T11:00:00.000Z	44 \| good	8.065 \| good	22.208 \| good	31.858 \| good	0.54 \| good	10.181 \| good	0.177 \| good
2026-04-18T12:00:00.000Z	49 \| good	8.769 \| good	39.981 \| good	33.544 \| good	0.494 \| good	9.014 \| good	0.159 \| good
2026-04-18T13:00:00.000Z	44 \| good	8.051 \| good	16.43 \| good	30.1 \| good	0.438 \| good	9.965 \| good	0.169 \| good
2026-04-18T14:00:00.000Z	27 \| good	3.248 \| good	12.285 \| good	29.276 \| good	0.507 \| good	9.776 \| good	0.267 \| good
2026-04-18T15:00:00.000Z	25 \| good	3.175 \| good	13.317 \| good	26.554 \| good	0.581 \| good	12.353 \| good	0.235 \| good
2026-04-18T16:00:00.000Z	30 \| good	4.67 \| good	20.124 \| good	31.673 \| good	0.745 \| good	9.817 \| good	0.259 \| good
2026-04-18T17:00:00.000Z	33 \| good	6.198 \| good	26.374 \| good	29.795 \| good	1.009 \| good	7.393 \| good	0.205 \| good
2026-04-18T18:00:00.000Z	38 \| good	6.676 \| good	29.465 \| good	30.502 \| good	1.032 \| good	7.425 \| good	0.216 \| good
2026-04-18T19:00:00.000Z	38 \| good	6.776 \| good	35.964 \| good	35.328 \| good	1.395 \| good	7.817 \| good	0.165 \| good
2026-04-18T20:00:00.000Z	44 \| good	8.017 \| good	34.744 \| good	40.653 \| good	1.242 \| good	7.188 \| good	0.205 \| good
2026-04-18T21:00:00.000Z	52 \| moderate	10.301 \| good	39.909 \| good	44.671 \| good	1.096 \| good	6.3 \| good	0.2 \| good
2026-04-18T22:00:00.000Z	52 \| moderate	9.633 \| good	41.189 \| good	51.603 \| good	1.07 \| good	4.865 \| good	0.126 \| good
2026-04-18T23:00:00.000Z	51 \| moderate	7.742 \| good	30.604 \| good	54.512 \| good	0.955 \| good	4.902 \| good	0.126 \| good
2026-04-19T00:00:00.000Z	54 \| moderate	5.439 \| good	24.695 \| good	56.332 \| fine	1.013 \| good	4.37 \| good	0.126 \| good
2026-04-19T01:00:00.000Z	64 \| moderate	5.582 \| good	21.024 \| good	58.747 \| fine	1.007 \| good	4.753 \| good	0.126 \| good
2026-04-19T02:00:00.000Z	61 \| moderate	5.634 \| good	25.457 \| good	57.847 \| fine	0.96 \| good	4.308 \| good	0.283 \| good
2026-04-19T02:00:00.000Z	46 \| good	2.914 \| good	12.177 \| good	50.244 \| good	0.362 \| good	4.495 \| good	0.149 \| good
2026-04-19T03:00:00.000Z	37 \| good	2.845 \| good	12.025 \| good	39.916 \| good	0.385 \| good	6.386 \| good	0.164 \| good
2026-04-19T04:00:00.000Z	33 \| good	3.492 \| good	15.635 \| good	35.969 \| good	0.366 \| good	7.365 \| good	0.174 \| good
2026-04-19T05:00:00.000Z	31 \| good	4.006 \| good	17.521 \| good	32.545 \| good	0.347 \| good	8.345 \| good	0.183 \| good
2026-04-19T06:00:00.000Z	29 \| good	3.186 \| good	13.995 \| good	30.692 \| good	0.327 \| good	9.325 \| good	0.193 \| good
2026-04-19T07:00:00.000Z	29 \| good	2.773 \| good	11.637 \| good	30.709 \| good	0.298 \| good	8.497 \| good	0.185 \| good
2026-04-19T08:00:00.000Z	29 \| good	2.443 \| good	10.173 \| good	31.256 \| good	0.268 \| good	7.669 \| good	0.177 \| good
2026-04-19T09:00:00.000Z	29 \| good	3.177 \| good	13.545 \| good	31.342 \| good	0.239 \| good	6.841 \| good	0.169 \| good
2026-04-19T10:00:00.000Z	28 \| good	4.638 \| good	20.251 \| good	29.642 \| good	0.229 \| good	6.437 \| good	0.162 \| good
2026-04-19T11:00:00.000Z	27 \| good	5.09 \| good	21.902 \| good	27.973 \| good	0.218 \| good	6.032 \| good	0.155 \| good
2026-04-19T12:00:00.000Z	26 \| good	3.787 \| good	16.599 \| good	28.145 \| good	0.208 \| good	5.628 \| good	0.148 \| good
2026-04-19T13:00:00.000Z	22 \| good	3.729 \| good	16.203 \| good	23.974 \| good	0.208 \| good	5.624 \| good	0.155 \| good
2026-04-19T14:00:00.000Z	22 \| good	4.202 \| good	18.276 \| good	24.287 \| good	0.207 \| good	5.62 \| good	0.161 \| good
2026-04-19T15:00:00.000Z	27 \| good	4.689 \| good	20.474 \| good	27.314 \| good	0.206 \| good	5.616 \| good	0.168 \| good
2026-04-19T16:00:00.000Z	33 \| good	6.313 \| good	28.038 \| good	34.035 \| good	0.347 \| good	4.456 \| good	0.16 \| good
2026-04-19T17:00:00.000Z	39 \| good	6.988 \| good	31.047 \| good	42.407 \| good	0.488 \| good	3.297 \| good	0.152 \| good
2026-04-19T18:00:00.000Z	47 \| good	7.624 \| good	33.478 \| good	50.873 \| good	0.629 \| good	2.137 \| good	0.144 \| good
2026-04-19T19:00:00.000Z	58 \| moderate	6.969 \| good	30.993 \| good	56.779 \| fine	0.627 \| good	1.645 \| good	0.14 \| good
2026-04-19T20:00:00.000Z	61 \| moderate	6.581 \| good	29.401 \| good	58.419 \| fine	0.624 \| good	1.153 \| good	0.135 \| good
2026-04-19T21:00:00.000Z	67 \| moderate	5.841 \| good	25.698 \| good	60.114 \| fine	0.621 \| good	0.66 \| good	0.13 \| good
2026-04-19T22:00:00.000Z	77 \| moderate	5.791 \| good	24.78 \| good	62.529 \| fine	0.616 \| good	0.674 \| good	0.129 \| good
2026-04-19T23:00:00.000Z	80 \| moderate	6.066 \| good	26.831 \| good	64.46 \| fine	0.611 \| good	0.688 \| good	0.129 \| good
2026-04-20T00:00:00.000Z	80 \| moderate	5.916 \| good	26.244 \| good	64.406 \| fine	0.606 \| good	0.702 \| good	0.128 \| good
2026-04-20T01:00:00.000Z	80 \| moderate	5.237 \| good	22.632 \| good	63.661 \| fine	0.605 \| good	2.55 \| good	0.144 \| good
2026-04-20T02:00:00.000Z	71 \| moderate	4.123 \| good	17.893 \| good	61.106 \| fine	0.605 \| good	4.398 \| good	0.159 \| good
2026-04-20T03:00:00.000Z	47 \| good	3.936 \| good	16.984 \| good	50.714 \| good	0.604 \| good	6.245 \| good	0.175 \| good
2026-04-20T04:00:00.000Z	40 \| good	6.03 \| good	26.557 \| good	43.419 \| good	0.558 \| good	5.983 \| good	0.171 \| good
2026-04-20T05:00:00.000Z	33 \| good	6.253 \| good	27.681 \| good	36.47 \| good	0.513 \| good	5.72 \| good	0.167 \| good
2026-04-20T06:00:00.000Z	38 \| good	6.511 \| good	29.092 \| good	37.494 \| good	0.468 \| good	5.457 \| good	0.163 \| good
2026-04-20T07:00:00.000Z	44 \| good	7.93 \| good	35.01 \| good	38.653 \| good	0.443 \| good	5.246 \| good	0.159 \| good
2026-04-20T08:00:00.000Z	36 \| good	6.395 \| good	28.291 \| good	38.912 \| good	0.418 \| good	5.034 \| good	0.156 \| good
2026-04-20T09:00:00.000Z	44 \| good	7.615 \| good	33.745 \| good	35.245 \| good	0.394 \| good	4.823 \| good	0.152 \| good
2026-04-20T10:00:00.000Z	49 \| good	9.371 \| good	41.57 \| good	33.041 \| good	0.392 \| good	4.876 \| good	0.149 \| good
2026-04-20T11:00:00.000Z	54 \| moderate	11.369 \| good	50.229 \| good	33.333 \| good	0.39 \| good	4.929 \| good	0.146 \| good
2026-04-20T12:00:00.000Z	52 \| moderate	10.181 \| good	45.062 \| good	33.059 \| good	0.388 \| good	4.982 \| good	0.143 \| good
2026-04-20T13:00:00.000Z	29 \| good	4.425 \| good	19.083 \| good	31.053 \| good	0.396 \| good	4.864 \| good	0.149 \| good
2026-04-20T14:00:00.000Z	28 \| good	4.185 \| good	18.505 \| good	29.543 \| good	0.404 \| good	4.746 \| good	0.156 \| good
2026-04-20T15:00:00.000Z	32 \| good	4.142 \| good	18.171 \| good	35.393 \| good	0.412 \| good	4.629 \| good	0.162 \| good
2026-04-20T16:00:00.000Z	37 \| good	4.094 \| good	18.051 \| good	40.268 \| good	0.398 \| good	3.548 \| good	0.149 \| good
2026-04-20T17:00:00.000Z	40 \| good	4.099 \| good	17.715 \| good	42.968 \| good	0.385 \| good	2.467 \| good	0.137 \| good
2026-04-20T18:00:00.000Z	43 \| good	4.435 \| good	19.493 \| good	45.803 \| good	0.371 \| good	1.386 \| good	0.124 \| good
2026-04-20T19:00:00.000Z	47 \| good	4.927 \| good	21.488 \| good	50.591 \| good	0.311 \| good	1.093 \| good	0.12 \| good
2026-04-20T20:00:00.000Z	54 \| moderate	6.239 \| good	27.429 \| good	55.531 \| fine	0.251 \| good	0.801 \| good	0.116 \| good
2026-04-20T21:00:00.000Z	64 \| moderate	6.486 \| good	28.809 \| good	59.474 \| fine	0.191 \| good	0.508 \| good	0.112 \| good
2026-04-20T22:00:00.000Z	74 \| moderate	6.572 \| good	29.439 \| good	61.667 \| fine	0.186 \| good	0.536 \| good	0.112 \| good
2026-04-20T23:00:00.000Z	71 \| moderate	6.138 \| good	27.149 \| good	61.304 \| fine	0.182 \| good	0.563 \| good	0.111 \| good
2026-04-21T00:00:00.000Z	84 \| moderate	5.049 \| good	20.522 \| good	65.11 \| fine	0.177 \| good	0.593 \| good	0.11 \| good
2026-04-21T01:00:00.000Z	51 \| moderate	5.078 \| good	21.946 \| good	55.349 \| fine	0.198 \| good	2.215 \| good	0.124 \| 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?