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

The PM10 concentration in California, USA is 15.572 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 0.507 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 25.123 ppm.

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

Nitrogen dioxide (NO2) level in California, USA at the moment is 5.879 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)

3.80 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

15.57 μg/m³

155

255

425

605+

Ozone (O₃)

25.12 ppb

201

201+

Sulfur Dioxide (SO₂)

0.51 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.88 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
2025-07-15T10:00:00.000Z	52 \| moderate	9.849 \| good	32.744 \| good	39.548 \| good	0.62 \| good	7.059 \| good	0.191 \| good
2025-07-15T11:00:00.000Z	38 \| good	7.268 \| good	30.601 \| good	31.111 \| good	0.551 \| good	8.407 \| good	0.161 \| good
2025-07-15T12:00:00.000Z	58 \| moderate	13.483 \| fine	42.691 \| good	24.011 \| good	0.488 \| good	11.459 \| good	0.17 \| good
2025-07-15T13:00:00.000Z	56 \| moderate	12.408 \| fine	58.412 \| fine	22.811 \| good	0.406 \| good	10.335 \| good	0.17 \| good
2025-07-15T14:00:00.000Z	52 \| moderate	10.208 \| good	32.407 \| good	27.759 \| good	0.396 \| good	10.266 \| good	0.168 \| good
2025-07-15T15:00:00.000Z	60 \| moderate	13.93 \| fine	65.869 \| fine	24.742 \| good	0.47 \| good	12.531 \| good	0.201 \| good
2025-07-15T16:00:00.000Z	56 \| moderate	11.627 \| good	47.481 \| good	28.205 \| good	0.675 \| good	11.958 \| good	0.201 \| good
2025-07-15T17:00:00.000Z	54 \| moderate	10.832 \| good	39.395 \| good	36.839 \| good	0.864 \| good	9.998 \| good	0.235 \| good
2025-07-15T18:00:00.000Z	52 \| moderate	9.769 \| good	39.729 \| good	42.98 \| good	0.938 \| good	9.751 \| good	0.267 \| good
2025-07-15T19:00:00.000Z	54 \| moderate	10.738 \| good	51.411 \| good	48.13 \| good	1.021 \| good	8.005 \| good	0.244 \| good
2025-07-15T20:00:00.000Z	56 \| moderate	11.981 \| good	55.615 \| fine	54.909 \| good	1.085 \| good	6.453 \| good	0.193 \| good
2025-07-15T21:00:00.000Z	71 \| moderate	12.517 \| fine	39.665 \| good	60.761 \| fine	1.25 \| good	5.007 \| good	0.2 \| good
2025-07-15T22:00:00.000Z	84 \| moderate	12.951 \| fine	40.651 \| good	65.256 \| fine	1.075 \| good	3.875 \| good	0.193 \| good
2025-07-15T23:00:00.000Z	87 \| moderate	13.095 \| fine	51.248 \| good	65.696 \| fine	0.957 \| good	3.428 \| good	0.2 \| good
2025-07-16T00:00:00.000Z	84 \| moderate	13.086 \| fine	49.955 \| good	65.422 \| fine	0.801 \| good	3.02 \| good	0.2 \| good
2025-07-16T01:00:00.000Z	74 \| moderate	11.189 \| good	31.633 \| good	61.96 \| fine	0.81 \| good	5.653 \| good	0.168 \| good
2025-07-16T02:00:00.000Z	80 \| moderate	12.845 \| fine	44.183 \| good	63.621 \| fine	0.738 \| good	5.843 \| good	0.2 \| good
2025-07-16T03:00:00.000Z	64 \| moderate	8.845 \| good	39.313 \| good	59.252 \| fine	0.537 \| good	2.428 \| good	0.169 \| good
2025-07-16T04:00:00.000Z	54 \| moderate	10.851 \| good	31.528 \| good	50.874 \| good	0.71 \| good	5.045 \| good	0.183 \| good
2025-07-16T05:00:00.000Z	49 \| good	8.923 \| good	29.369 \| good	48.27 \| good	0.847 \| good	6.233 \| good	0.158 \| good
2025-07-16T06:00:00.000Z	49 \| good	8.515 \| good	20.293 \| good	41.66 \| good	0.518 \| good	5.727 \| good	0.108 \| good
2025-07-16T07:00:00.000Z	36 \| good	6.132 \| good	23.732 \| good	38.778 \| good	0.454 \| good	5.937 \| good	0.1 \| good
2025-07-16T08:00:00.000Z	33 \| good	6.166 \| good	28.818 \| good	36.112 \| good	0.444 \| good	5.977 \| good	0.108 \| good
2025-07-16T09:00:00.000Z	38 \| good	5.784 \| good	41.258 \| good	32.296 \| good	0.527 \| good	5.308 \| good	0.108 \| good
2025-07-16T10:00:00.000Z	33 \| good	5.855 \| good	31.023 \| good	30.15 \| good	0.535 \| good	5.375 \| good	0.108 \| good
2025-07-16T11:00:00.000Z	28 \| good	3.978 \| good	29.659 \| good	27.719 \| good	0.546 \| good	5.632 \| good	0.108 \| good
2025-07-16T12:00:00.000Z	33 \| good	6.446 \| good	22.398 \| good	27.853 \| good	0.464 \| good	5.845 \| good	0.1 \| good
2025-07-16T13:00:00.000Z	27 \| good	5.062 \| good	25.43 \| good	24.092 \| good	0.392 \| good	6.273 \| good	0.1 \| good
2025-07-16T14:00:00.000Z	27 \| good	3.733 \| good	17.017 \| good	28.975 \| good	0.39 \| good	8.793 \| good	0.151 \| good
2025-07-16T15:00:00.000Z	23 \| good	3.471 \| good	16.55 \| good	25.346 \| good	0.481 \| good	9.477 \| good	0.159 \| good
2025-07-16T16:00:00.000Z	29 \| good	4.877 \| good	21.794 \| good	30.775 \| good	0.7 \| good	7.86 \| good	0.191 \| good
2025-07-16T17:00:00.000Z	28 \| good	5.241 \| good	18.807 \| good	29.871 \| good	0.81 \| good	7.723 \| good	0.201 \| good
2025-07-16T18:00:00.000Z	29 \| good	4.696 \| good	20.503 \| good	31.412 \| good	0.946 \| good	7.872 \| good	0.201 \| good
2025-07-16T19:00:00.000Z	44 \| good	7.754 \| good	30.74 \| good	40.217 \| good	0.956 \| good	7.493 \| good	0.193 \| good
2025-07-16T20:00:00.000Z	44 \| good	8.404 \| good	29.601 \| good	41.61 \| good	0.874 \| good	5.157 \| good	0.193 \| good
2025-07-16T21:00:00.000Z	49 \| good	9.202 \| good	37.136 \| good	49.569 \| good	0.809 \| good	4.143 \| good	0.161 \| good
2025-07-16T22:00:00.000Z	58 \| moderate	9.907 \| good	46.783 \| good	56.782 \| fine	0.791 \| good	3.484 \| good	0.161 \| good
2025-07-16T23:00:00.000Z	64 \| moderate	8.47 \| good	43.137 \| good	58.565 \| fine	0.681 \| good	3.111 \| good	0.161 \| good
2025-07-17T00:00:00.000Z	61 \| moderate	8.357 \| good	46.66 \| good	57.938 \| fine	0.827 \| good	5.078 \| good	0.151 \| good
2025-07-17T01:00:00.000Z	71 \| moderate	8.9 \| good	40.492 \| good	60.571 \| fine	0.956 \| good	5.778 \| good	0.151 \| good
2025-07-17T02:00:00.000Z	67 \| moderate	9.644 \| good	26.765 \| good	59.659 \| fine	1.02 \| good	5.191 \| good	0.151 \| good
2025-07-17T03:00:00.000Z	50 \| good	8.63 \| good	36.146 \| good	54.161 \| good	0.801 \| good	5.544 \| good	0.151 \| good
2025-07-17T04:00:00.000Z	52 \| moderate	10.048 \| good	42.42 \| good	53.511 \| good	0.727 \| good	6.951 \| good	0.151 \| good
2025-07-17T05:00:00.000Z	44 \| good	8.497 \| good	32.72 \| good	46.856 \| good	0.864 \| good	7.28 \| good	0.151 \| good
2025-07-17T06:00:00.000Z	44 \| good	8.055 \| good	28.343 \| good	46.32 \| good	0.665 \| good	6.674 \| good	0.151 \| good
2025-07-17T07:00:00.000Z	49 \| good	8.894 \| good	36.326 \| good	43.198 \| good	0.727 \| good	6.908 \| good	0.151 \| good
2025-07-17T08:00:00.000Z	38 \| good	7.012 \| good	36.244 \| good	40.265 \| good	0.933 \| good	6.662 \| good	0.151 \| good
2025-07-17T09:00:00.000Z	38 \| good	6.88 \| good	31.906 \| good	34.465 \| good	0.8 \| good	6.13 \| good	0.151 \| good
2025-07-17T09:00:00.000Z	23 \| good	3.796 \| good	15.572 \| good	25.123 \| good	0.507 \| good	5.879 \| good	0.195 \| good
2025-07-17T10:00:00.000Z	54 \| moderate	10.732 \| good	47.282 \| good	31.531 \| good	0.496 \| good	5.856 \| good	0.207 \| good
2025-07-17T11:00:00.000Z	52 \| moderate	10.296 \| good	45.821 \| good	29.063 \| good	0.493 \| good	5.697 \| good	0.205 \| good
2025-07-17T12:00:00.000Z	54 \| moderate	11.038 \| good	48.683 \| good	26.116 \| good	0.489 \| good	5.537 \| good	0.204 \| good
2025-07-17T13:00:00.000Z	54 \| moderate	11.357 \| good	50.209 \| good	23.766 \| good	0.511 \| good	4.81 \| good	0.199 \| good
2025-07-17T14:00:00.000Z	54 \| moderate	11.106 \| good	49.135 \| good	25.215 \| good	0.533 \| good	4.083 \| good	0.194 \| good
2025-07-17T15:00:00.000Z	54 \| moderate	10.59 \| good	47.022 \| good	31.661 \| good	0.555 \| good	3.357 \| good	0.19 \| good
2025-07-17T16:00:00.000Z	54 \| moderate	10.598 \| good	46.901 \| good	39.823 \| good	0.605 \| good	2.753 \| good	0.179 \| good
2025-07-17T17:00:00.000Z	54 \| moderate	11.106 \| good	49.462 \| good	47.652 \| good	0.655 \| good	2.148 \| good	0.169 \| good
2025-07-17T18:00:00.000Z	56 \| moderate	11.681 \| good	52.28 \| good	55.343 \| fine	0.705 \| good	1.544 \| good	0.158 \| good
2025-07-17T19:00:00.000Z	74 \| moderate	12.638 \| fine	57.067 \| fine	61.92 \| fine	0.68 \| good	1.303 \| good	0.154 \| good
2025-07-17T20:00:00.000Z	93 \| moderate	13.72 \| fine	61.728 \| fine	67.515 \| fine	0.655 \| good	1.061 \| good	0.15 \| good
2025-07-17T21:00:00.000Z	93 \| moderate	13.62 \| fine	61.566 \| fine	67.792 \| fine	0.63 \| good	0.819 \| good	0.146 \| good
2025-07-17T22:00:00.000Z	97 \| moderate	14.051 \| fine	62.855 \| fine	69.385 \| fine	0.6 \| good	0.787 \| good	0.144 \| good
2025-07-17T23:00:00.000Z	97 \| moderate	12.825 \| fine	57.711 \| fine	68.697 \| fine	0.57 \| good	0.754 \| good	0.142 \| good
2025-07-18T00:00:00.000Z	90 \| moderate	11.441 \| good	50.351 \| good	66.733 \| fine	0.539 \| good	0.722 \| good	0.14 \| good
2025-07-18T01:00:00.000Z	80 \| moderate	11.256 \| good	49.874 \| good	64.384 \| fine	0.527 \| good	1.177 \| good	0.142 \| good
2025-07-18T02:00:00.000Z	71 \| moderate	11.621 \| good	51.539 \| good	61.128 \| fine	0.514 \| good	1.633 \| good	0.145 \| good
2025-07-18T03:00:00.000Z	64 \| moderate	11.319 \| good	50.118 \| good	59.03 \| fine	0.502 \| good	2.088 \| good	0.148 \| good
2025-07-18T04:00:00.000Z	56 \| moderate	12.103 \| fine	54.599 \| good	55.246 \| fine	0.523 \| good	3.165 \| good	0.16 \| good
2025-07-18T05:00:00.000Z	56 \| moderate	11.988 \| good	53.179 \| good	49.877 \| good	0.544 \| good	4.243 \| good	0.172 \| good
2025-07-18T06:00:00.000Z	56 \| moderate	11.83 \| good	52.871 \| good	46.468 \| good	0.566 \| good	5.32 \| good	0.185 \| good
2025-07-18T07:00:00.000Z	54 \| moderate	11.377 \| good	50.007 \| good	40.951 \| good	0.567 \| good	5.221 \| good	0.187 \| good
2025-07-18T08:00:00.000Z	56 \| moderate	11.934 \| good	53.061 \| good	37.697 \| good	0.568 \| good	5.123 \| good	0.19 \| good
2025-07-18T09:00:00.000Z	56 \| moderate	11.775 \| good	52.917 \| good	35.968 \| good	0.57 \| good	5.024 \| good	0.192 \| good
2025-07-18T10:00:00.000Z	56 \| moderate	11.702 \| good	52.358 \| good	32.941 \| good	0.553 \| good	5.116 \| good	0.193 \| good
2025-07-18T11:00:00.000Z	54 \| moderate	10.749 \| good	47.546 \| good	31.459 \| good	0.535 \| good	5.209 \| good	0.194 \| good
2025-07-18T12:00:00.000Z	54 \| moderate	11.271 \| good	49.909 \| good	27.336 \| good	0.518 \| good	5.301 \| good	0.195 \| good
2025-07-18T13:00:00.000Z	52 \| moderate	10.497 \| good	46.562 \| good	26.282 \| good	0.562 \| good	4.697 \| good	0.192 \| good
2025-07-18T14:00:00.000Z	54 \| moderate	10.995 \| good	48.993 \| good	27.183 \| good	0.606 \| good	4.093 \| good	0.188 \| good
2025-07-18T15:00:00.000Z	54 \| moderate	10.507 \| good	46.741 \| good	33.057 \| good	0.649 \| good	3.489 \| good	0.185 \| good
2025-07-18T16:00:00.000Z	54 \| moderate	11.084 \| good	48.995 \| good	41.261 \| good	0.734 \| good	2.844 \| good	0.177 \| good
2025-07-18T17:00:00.000Z	54 \| moderate	11.068 \| good	48.995 \| good	48.328 \| good	0.818 \| good	2.198 \| good	0.17 \| good
2025-07-18T18:00:00.000Z	56 \| moderate	11.548 \| good	51.012 \| good	55.972 \| fine	0.903 \| good	1.553 \| good	0.163 \| good
2025-07-18T19:00:00.000Z	74 \| moderate	12.749 \| fine	57.151 \| fine	62.31 \| fine	0.866 \| good	1.301 \| good	0.16 \| good
2025-07-18T20:00:00.000Z	90 \| moderate	13.201 \| fine	59.546 \| fine	67.235 \| fine	0.83 \| good	1.048 \| good	0.157 \| good
2025-07-18T21:00:00.000Z	87 \| moderate	12.742 \| fine	57.51 \| fine	65.554 \| fine	0.794 \| good	0.796 \| good	0.153 \| good
2025-07-18T22:00:00.000Z	80 \| moderate	12.82 \| fine	57.598 \| fine	64.378 \| fine	0.744 \| good	0.776 \| good	0.151 \| good
2025-07-18T23:00:00.000Z	84 \| moderate	11.719 \| good	52.6 \| good	64.901 \| fine	0.694 \| good	0.757 \| good	0.149 \| good
2025-07-19T00:00:00.000Z	84 \| moderate	11.144 \| good	49.121 \| good	65.468 \| fine	0.644 \| good	0.738 \| good	0.147 \| good
2025-07-19T01:00:00.000Z	80 \| moderate	10.968 \| good	48.381 \| good	64.138 \| fine	0.617 \| good	1.183 \| good	0.148 \| good
2025-07-19T02:00:00.000Z	61 \| moderate	11.129 \| good	49.216 \| good	57.861 \| fine	0.59 \| good	1.629 \| good	0.149 \| good
2025-07-19T03:00:00.000Z	54 \| moderate	10.391 \| good	46.001 \| good	55.973 \| fine	0.563 \| good	2.074 \| good	0.15 \| good
2025-07-19T04:00:00.000Z	54 \| moderate	10.81 \| good	47.804 \| good	53.817 \| good	0.58 \| good	3.018 \| good	0.159 \| good
2025-07-19T05:00:00.000Z	54 \| moderate	11.247 \| good	49.874 \| good	49.818 \| good	0.598 \| good	3.963 \| good	0.169 \| good
2025-07-19T06:00:00.000Z	54 \| moderate	11.346 \| good	14.253 \| good	50.122 \| good	0.625 \| good	4.976 \| good	0.178 \| good
2025-07-19T07:00:00.000Z	54 \| moderate	10.844 \| good	47.845 \| good	41.338 \| good	0.624 \| good	4.872 \| good	0.183 \| good
2025-07-19T08:00:00.000Z	54 \| moderate	10.638 \| good	47.037 \| good	37.837 \| good	0.633 \| good	4.838 \| good	0.188 \| good
2025-07-19T09:00:00.000Z	52 \| moderate	10.021 \| good	44.241 \| good	34.714 \| good	0.642 \| good	4.804 \| good	0.192 \| 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	84 Moderate	8.18μg/m³ Good	35.88μg/m³ Good	64.66ppb Fine	0.24ppb Good	8.55ppb Good	0.13ppm Good
Porterville, California	58 Moderate	12.64μg/m³ Fine	57.71μg/m³ Fine	31.43ppb Good	0.82ppb Good	4.54ppb Good	0.15ppm Good
Victorville, California	58 Moderate	6.59μg/m³ Good	23.57μg/m³ Good	56.97ppb Fine	0.26ppb Good	7.29ppb Good	0.14ppm Good
Corcoran, California	54 Moderate	11.19μg/m³ Good	43.06μg/m³ Good	38.07ppb Good	0.90ppb Good	4.69ppb Good	0.15ppm Good
Anderson, California	54 Moderate	10.72μg/m³ Good	46.75μg/m³ Good	32.46ppb Good	0.68ppb Good	1.95ppb Good	0.18ppm Good
Barstow, California	54 Moderate	10.50μg/m³ Good	46.99μg/m³ Good	56.00ppb Fine	0.26ppb Good	7.07ppb Good	0.14ppm Good
Hanford, California	52 Moderate	10.30μg/m³ Good	52.91μg/m³ Good	36.03ppb Good	0.92ppb Good	6.07ppb Good	0.15ppm Good
Rio Vista, California	52 Moderate	10.17μg/m³ Good	45.34μg/m³ Good	25.74ppb Good	1.11ppb Good	1.64ppb Good	0.26ppm Good
Cathedral City, California	52 Moderate	9.90μg/m³ Good	45.87μg/m³ Good	42.04ppb Good	0.24ppb Good	4.81ppb Good	0.19ppm Good
Red Bluff, California	52 Moderate	9.81μg/m³ Good	29.33μg/m³ Good	34.16ppb Good	0.67ppb Good	1.94ppb Good	0.18ppm Good
Redding, California	52 Moderate	9.67μg/m³ Good	38.78μg/m³ Good	28.92ppb Good	0.68ppb Good	1.94ppb Good	0.18ppm Good
Visalia, California	52 Moderate	9.81μg/m³ Good	44.06μg/m³ Good	41.85ppb Good	0.92ppb Good	4.42ppb Good	0.15ppm Good
Chico, California	49 Good	9.28μg/m³ Good	24.44μg/m³ Good	35.98ppb Good	0.69ppb Good	2.09ppb Good	0.24ppm Good
Lemoore, California	49 Good	9.28μg/m³ Good	43.01μg/m³ Good	39.36ppb Good	0.92ppb Good	6.24ppb Good	0.14ppm Good
Rancho Mirage, California	49 Good	9.36μg/m³ Good	44.67μg/m³ Good	41.57ppb Good	0.23ppb Good	5.13ppb Good	0.19ppm Good
Sanger, California	49 Good	9.28μg/m³ Good	39.60μg/m³ Good	39.66ppb Good	0.95ppb Good	3.90ppb Good	0.15ppm Good
Adelanto, California	50 Good	6.52μg/m³ Good	24.20μg/m³ Good	53.94ppb Good	0.26ppb Good	7.91ppb Good	0.14ppm Good
Apple Valley, California	50 Good	6.27μg/m³ Good	25.54μg/m³ Good	53.60ppb Good	0.25ppb Good	7.66ppb Good	0.14ppm Good
Lake Arrowhead, California	50 Good	7.32μg/m³ Good	32.08μg/m³ Good	53.87ppb Good	0.24ppb Good	8.74ppb Good	0.13ppm Good
Delano, California	49 Good	8.70μg/m³ Good	35.41μg/m³ Good	38.03ppb Good	0.81ppb Good	5.81ppb Good	0.16ppm Good
Desert Hot Springs, California	49 Good	8.65μg/m³ Good	39.12μg/m³ Good	42.18ppb Good	0.24ppb Good	5.10ppb Good	0.19ppm Good
Palm Desert, California	49 Good	8.83μg/m³ Good	46.96μg/m³ Good	44.34ppb Good	0.23ppb Good	6.98ppb Good	0.18ppm Good
Hesperia, California	47 Good	5.76μg/m³ Good	25.93μg/m³ Good	51.24ppb Good	0.25ppb Good	7.79ppb Good	0.14ppm Good
McFarland, California	49 Good	8.64μg/m³ Good	35.52μg/m³ Good	39.15ppb Good	0.79ppb Good	9.58ppb Good	0.17ppm Good
Lindsay, California	49 Good	8.60μg/m³ Good	38.96μg/m³ Good	34.93ppb Good	0.81ppb Good	4.62ppb Good	0.15ppm Good
Rosamond, California	47 Good	2.76μg/m³ Good	14.62μg/m³ Good	50.57ppb Good	0.38ppb Good	6.02ppb Good	0.18ppm Good
Shasta Lake, California	49 Good	8.51μg/m³ Good	21.99μg/m³ Good	25.65ppb Good	0.68ppb Good	1.94ppb Good	0.18ppm Good
Wasco, California	49 Good	8.59μg/m³ Good	35.53μg/m³ Good	37.00ppb Good	0.80ppb Good	8.38ppb Good	0.17ppm Good
Kingsburg, California	44 Good	8.29μg/m³ Good	37.92μg/m³ Good	38.95ppb Good	0.94ppb Good	5.09ppb Good	0.15ppm Good
Madera, California	44 Good	8.33μg/m³ Good	47.06μg/m³ Good	38.98ppb Good	0.94ppb Good	3.54ppb Good	0.14ppm Good
Palmdale, California	46 Good	2.34μg/m³ Good	8.80μg/m³ Good	49.73ppb Good	0.36ppb Good	12.26ppb Good	0.18ppm Good
Shafter, California	44 Good	8.35μg/m³ Good	47.81μg/m³ Good	36.49ppb Good	0.78ppb Good	6.17ppb Good	0.18ppm Good
Avenal, California	44 Good	8.27μg/m³ Good	31.02μg/m³ Good	39.39ppb Good	0.89ppb Good	1.72ppb Good	0.16ppm Good
Truckee, California	44 Good	8.18μg/m³ Good	35.90μg/m³ Good	44.09ppb Good	0.58ppb Good	1.87ppb Good	0.19ppm Good
Tulare, California	44 Good	8.28μg/m³ Good	35.30μg/m³ Good	39.30ppb Good	0.91ppb Good	4.53ppb Good	0.15ppm Good
Grass Valley, California	44 Good	4.10μg/m³ Good	18.54μg/m³ Good	47.51ppb Good	0.73ppb Good	1.66ppb Good	0.22ppm Good
Yucca Valley, California	44 Good	7.97μg/m³ Good	34.34μg/m³ Good	46.98ppb Good	0.24ppb Good	5.64ppb Good	0.17ppm Good
Big Bear City, California	44 Good	4.52μg/m³ Good	20.09μg/m³ Good	46.85ppb Good	0.25ppb Good	8.34ppb Good	0.16ppm Good
Santa Barbara, California	44 Good	7.83μg/m³ Good	11.96μg/m³ Good	13.06ppb Good	0.70ppb Good	3.54ppb Good	0.16ppm Good
Golden Hills, California	42 Good	2.77μg/m³ Good	10.05μg/m³ Good	45.37ppb Good	0.47ppb Good	4.43ppb Good	0.18ppm Good
Tehachapi, California	42 Good	2.77μg/m³ Good	10.05μg/m³ Good	45.37ppb Good	0.47ppb Good	4.43ppb Good	0.18ppm Good
Kerman, California	44 Good	7.70μg/m³ Good	40.71μg/m³ Good	33.75ppb Good	0.94ppb Good	2.88ppb Good	0.15ppm Good
Reedley, California	44 Good	7.64μg/m³ Good	33.98μg/m³ Good	39.19ppb Good	0.94ppb Good	4.87ppb Good	0.15ppm Good
Parlier, California	44 Good	7.58μg/m³ Good	33.83μg/m³ Good	39.06ppb Good	0.95ppb Good	4.96ppb Good	0.15ppm Good
Arvin, California	38 Good	7.40μg/m³ Good	28.54μg/m³ Good	31.51ppb Good	0.54ppb Good	6.86ppb Good	0.19ppm Good
La Quinta, California	44 Good	7.54μg/m³ Good	34.77μg/m³ Good	39.54ppb Good	0.23ppb Good	7.08ppb Good	0.17ppm Good
Indio, California	40 Good	7.40μg/m³ Good	43.00μg/m³ Good	32.00ppb Good	0.23ppb Good	6.99ppb Good	0.17ppm Good
South Lake Tahoe, California	41 Good	3.32μg/m³ Good	15.09μg/m³ Good	44.15ppb Good	0.70ppb Good	1.82ppb Good	0.16ppm Good
Valle Vista, California	38 Good	7.25μg/m³ Good	33.63μg/m³ Good	31.27ppb Good	0.24ppb Good	9.07ppb Good	0.17ppm Good
Coalinga, California	38 Good	7.29μg/m³ Good	21.28μg/m³ Good	34.06ppb Good	0.89ppb Good	1.70ppb Good	0.16ppm Good

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

0.20ppm

How accurate is California, USA air quality data?

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

Source: Ambee Data Sources

Air quality levels in US

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

View Polluted Cities

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

View Clean Cities

Frequently asked questions

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

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

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

In the past 24 hours, the air quality in California, USA was at its worst at 01:00:00 on 2025-07-17.

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 2025-07-16.

What is the AQI in California, USA right now?

As of now, the AQI in California, USA is 23, 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 3.796 μg/m³.

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

The PM₁₀ concentration in California, USA is 15.572 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 0.195 ppm.

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

Currently, California, USA has a sulfur dioxide (SO₂) concentration of 0.507 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 25.123 ppm.

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

Nitrogen dioxide (NO₂) level in California, USA at the moment is 5.879 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-15T10:00:00.000Z	52 \| moderate	9.849 \| good	32.744 \| good	39.548 \| good	0.62 \| good	7.059 \| good	0.191 \| good
2025-07-15T11:00:00.000Z	38 \| good	7.268 \| good	30.601 \| good	31.111 \| good	0.551 \| good	8.407 \| good	0.161 \| good
2025-07-15T12:00:00.000Z	58 \| moderate	13.483 \| fine	42.691 \| good	24.011 \| good	0.488 \| good	11.459 \| good	0.17 \| good
2025-07-15T13:00:00.000Z	56 \| moderate	12.408 \| fine	58.412 \| fine	22.811 \| good	0.406 \| good	10.335 \| good	0.17 \| good
2025-07-15T14:00:00.000Z	52 \| moderate	10.208 \| good	32.407 \| good	27.759 \| good	0.396 \| good	10.266 \| good	0.168 \| good
2025-07-15T15:00:00.000Z	60 \| moderate	13.93 \| fine	65.869 \| fine	24.742 \| good	0.47 \| good	12.531 \| good	0.201 \| good
2025-07-15T16:00:00.000Z	56 \| moderate	11.627 \| good	47.481 \| good	28.205 \| good	0.675 \| good	11.958 \| good	0.201 \| good
2025-07-15T17:00:00.000Z	54 \| moderate	10.832 \| good	39.395 \| good	36.839 \| good	0.864 \| good	9.998 \| good	0.235 \| good
2025-07-15T18:00:00.000Z	52 \| moderate	9.769 \| good	39.729 \| good	42.98 \| good	0.938 \| good	9.751 \| good	0.267 \| good
2025-07-15T19:00:00.000Z	54 \| moderate	10.738 \| good	51.411 \| good	48.13 \| good	1.021 \| good	8.005 \| good	0.244 \| good
2025-07-15T20:00:00.000Z	56 \| moderate	11.981 \| good	55.615 \| fine	54.909 \| good	1.085 \| good	6.453 \| good	0.193 \| good
2025-07-15T21:00:00.000Z	71 \| moderate	12.517 \| fine	39.665 \| good	60.761 \| fine	1.25 \| good	5.007 \| good	0.2 \| good
2025-07-15T22:00:00.000Z	84 \| moderate	12.951 \| fine	40.651 \| good	65.256 \| fine	1.075 \| good	3.875 \| good	0.193 \| good
2025-07-15T23:00:00.000Z	87 \| moderate	13.095 \| fine	51.248 \| good	65.696 \| fine	0.957 \| good	3.428 \| good	0.2 \| good
2025-07-16T00:00:00.000Z	84 \| moderate	13.086 \| fine	49.955 \| good	65.422 \| fine	0.801 \| good	3.02 \| good	0.2 \| good
2025-07-16T01:00:00.000Z	74 \| moderate	11.189 \| good	31.633 \| good	61.96 \| fine	0.81 \| good	5.653 \| good	0.168 \| good
2025-07-16T02:00:00.000Z	80 \| moderate	12.845 \| fine	44.183 \| good	63.621 \| fine	0.738 \| good	5.843 \| good	0.2 \| good
2025-07-16T03:00:00.000Z	64 \| moderate	8.845 \| good	39.313 \| good	59.252 \| fine	0.537 \| good	2.428 \| good	0.169 \| good
2025-07-16T04:00:00.000Z	54 \| moderate	10.851 \| good	31.528 \| good	50.874 \| good	0.71 \| good	5.045 \| good	0.183 \| good
2025-07-16T05:00:00.000Z	49 \| good	8.923 \| good	29.369 \| good	48.27 \| good	0.847 \| good	6.233 \| good	0.158 \| good
2025-07-16T06:00:00.000Z	49 \| good	8.515 \| good	20.293 \| good	41.66 \| good	0.518 \| good	5.727 \| good	0.108 \| good
2025-07-16T07:00:00.000Z	36 \| good	6.132 \| good	23.732 \| good	38.778 \| good	0.454 \| good	5.937 \| good	0.1 \| good
2025-07-16T08:00:00.000Z	33 \| good	6.166 \| good	28.818 \| good	36.112 \| good	0.444 \| good	5.977 \| good	0.108 \| good
2025-07-16T09:00:00.000Z	38 \| good	5.784 \| good	41.258 \| good	32.296 \| good	0.527 \| good	5.308 \| good	0.108 \| good
2025-07-16T10:00:00.000Z	33 \| good	5.855 \| good	31.023 \| good	30.15 \| good	0.535 \| good	5.375 \| good	0.108 \| good
2025-07-16T11:00:00.000Z	28 \| good	3.978 \| good	29.659 \| good	27.719 \| good	0.546 \| good	5.632 \| good	0.108 \| good
2025-07-16T12:00:00.000Z	33 \| good	6.446 \| good	22.398 \| good	27.853 \| good	0.464 \| good	5.845 \| good	0.1 \| good
2025-07-16T13:00:00.000Z	27 \| good	5.062 \| good	25.43 \| good	24.092 \| good	0.392 \| good	6.273 \| good	0.1 \| good
2025-07-16T14:00:00.000Z	27 \| good	3.733 \| good	17.017 \| good	28.975 \| good	0.39 \| good	8.793 \| good	0.151 \| good
2025-07-16T15:00:00.000Z	23 \| good	3.471 \| good	16.55 \| good	25.346 \| good	0.481 \| good	9.477 \| good	0.159 \| good
2025-07-16T16:00:00.000Z	29 \| good	4.877 \| good	21.794 \| good	30.775 \| good	0.7 \| good	7.86 \| good	0.191 \| good
2025-07-16T17:00:00.000Z	28 \| good	5.241 \| good	18.807 \| good	29.871 \| good	0.81 \| good	7.723 \| good	0.201 \| good
2025-07-16T18:00:00.000Z	29 \| good	4.696 \| good	20.503 \| good	31.412 \| good	0.946 \| good	7.872 \| good	0.201 \| good
2025-07-16T19:00:00.000Z	44 \| good	7.754 \| good	30.74 \| good	40.217 \| good	0.956 \| good	7.493 \| good	0.193 \| good
2025-07-16T20:00:00.000Z	44 \| good	8.404 \| good	29.601 \| good	41.61 \| good	0.874 \| good	5.157 \| good	0.193 \| good
2025-07-16T21:00:00.000Z	49 \| good	9.202 \| good	37.136 \| good	49.569 \| good	0.809 \| good	4.143 \| good	0.161 \| good
2025-07-16T22:00:00.000Z	58 \| moderate	9.907 \| good	46.783 \| good	56.782 \| fine	0.791 \| good	3.484 \| good	0.161 \| good
2025-07-16T23:00:00.000Z	64 \| moderate	8.47 \| good	43.137 \| good	58.565 \| fine	0.681 \| good	3.111 \| good	0.161 \| good
2025-07-17T00:00:00.000Z	61 \| moderate	8.357 \| good	46.66 \| good	57.938 \| fine	0.827 \| good	5.078 \| good	0.151 \| good
2025-07-17T01:00:00.000Z	71 \| moderate	8.9 \| good	40.492 \| good	60.571 \| fine	0.956 \| good	5.778 \| good	0.151 \| good
2025-07-17T02:00:00.000Z	67 \| moderate	9.644 \| good	26.765 \| good	59.659 \| fine	1.02 \| good	5.191 \| good	0.151 \| good
2025-07-17T03:00:00.000Z	50 \| good	8.63 \| good	36.146 \| good	54.161 \| good	0.801 \| good	5.544 \| good	0.151 \| good
2025-07-17T04:00:00.000Z	52 \| moderate	10.048 \| good	42.42 \| good	53.511 \| good	0.727 \| good	6.951 \| good	0.151 \| good
2025-07-17T05:00:00.000Z	44 \| good	8.497 \| good	32.72 \| good	46.856 \| good	0.864 \| good	7.28 \| good	0.151 \| good
2025-07-17T06:00:00.000Z	44 \| good	8.055 \| good	28.343 \| good	46.32 \| good	0.665 \| good	6.674 \| good	0.151 \| good
2025-07-17T07:00:00.000Z	49 \| good	8.894 \| good	36.326 \| good	43.198 \| good	0.727 \| good	6.908 \| good	0.151 \| good
2025-07-17T08:00:00.000Z	38 \| good	7.012 \| good	36.244 \| good	40.265 \| good	0.933 \| good	6.662 \| good	0.151 \| good
2025-07-17T09:00:00.000Z	38 \| good	6.88 \| good	31.906 \| good	34.465 \| good	0.8 \| good	6.13 \| good	0.151 \| good
2025-07-17T09:00:00.000Z	23 \| good	3.796 \| good	15.572 \| good	25.123 \| good	0.507 \| good	5.879 \| good	0.195 \| good
2025-07-17T10:00:00.000Z	54 \| moderate	10.732 \| good	47.282 \| good	31.531 \| good	0.496 \| good	5.856 \| good	0.207 \| good
2025-07-17T11:00:00.000Z	52 \| moderate	10.296 \| good	45.821 \| good	29.063 \| good	0.493 \| good	5.697 \| good	0.205 \| good
2025-07-17T12:00:00.000Z	54 \| moderate	11.038 \| good	48.683 \| good	26.116 \| good	0.489 \| good	5.537 \| good	0.204 \| good
2025-07-17T13:00:00.000Z	54 \| moderate	11.357 \| good	50.209 \| good	23.766 \| good	0.511 \| good	4.81 \| good	0.199 \| good
2025-07-17T14:00:00.000Z	54 \| moderate	11.106 \| good	49.135 \| good	25.215 \| good	0.533 \| good	4.083 \| good	0.194 \| good
2025-07-17T15:00:00.000Z	54 \| moderate	10.59 \| good	47.022 \| good	31.661 \| good	0.555 \| good	3.357 \| good	0.19 \| good
2025-07-17T16:00:00.000Z	54 \| moderate	10.598 \| good	46.901 \| good	39.823 \| good	0.605 \| good	2.753 \| good	0.179 \| good
2025-07-17T17:00:00.000Z	54 \| moderate	11.106 \| good	49.462 \| good	47.652 \| good	0.655 \| good	2.148 \| good	0.169 \| good
2025-07-17T18:00:00.000Z	56 \| moderate	11.681 \| good	52.28 \| good	55.343 \| fine	0.705 \| good	1.544 \| good	0.158 \| good
2025-07-17T19:00:00.000Z	74 \| moderate	12.638 \| fine	57.067 \| fine	61.92 \| fine	0.68 \| good	1.303 \| good	0.154 \| good
2025-07-17T20:00:00.000Z	93 \| moderate	13.72 \| fine	61.728 \| fine	67.515 \| fine	0.655 \| good	1.061 \| good	0.15 \| good
2025-07-17T21:00:00.000Z	93 \| moderate	13.62 \| fine	61.566 \| fine	67.792 \| fine	0.63 \| good	0.819 \| good	0.146 \| good
2025-07-17T22:00:00.000Z	97 \| moderate	14.051 \| fine	62.855 \| fine	69.385 \| fine	0.6 \| good	0.787 \| good	0.144 \| good
2025-07-17T23:00:00.000Z	97 \| moderate	12.825 \| fine	57.711 \| fine	68.697 \| fine	0.57 \| good	0.754 \| good	0.142 \| good
2025-07-18T00:00:00.000Z	90 \| moderate	11.441 \| good	50.351 \| good	66.733 \| fine	0.539 \| good	0.722 \| good	0.14 \| good
2025-07-18T01:00:00.000Z	80 \| moderate	11.256 \| good	49.874 \| good	64.384 \| fine	0.527 \| good	1.177 \| good	0.142 \| good
2025-07-18T02:00:00.000Z	71 \| moderate	11.621 \| good	51.539 \| good	61.128 \| fine	0.514 \| good	1.633 \| good	0.145 \| good
2025-07-18T03:00:00.000Z	64 \| moderate	11.319 \| good	50.118 \| good	59.03 \| fine	0.502 \| good	2.088 \| good	0.148 \| good
2025-07-18T04:00:00.000Z	56 \| moderate	12.103 \| fine	54.599 \| good	55.246 \| fine	0.523 \| good	3.165 \| good	0.16 \| good
2025-07-18T05:00:00.000Z	56 \| moderate	11.988 \| good	53.179 \| good	49.877 \| good	0.544 \| good	4.243 \| good	0.172 \| good
2025-07-18T06:00:00.000Z	56 \| moderate	11.83 \| good	52.871 \| good	46.468 \| good	0.566 \| good	5.32 \| good	0.185 \| good
2025-07-18T07:00:00.000Z	54 \| moderate	11.377 \| good	50.007 \| good	40.951 \| good	0.567 \| good	5.221 \| good	0.187 \| good
2025-07-18T08:00:00.000Z	56 \| moderate	11.934 \| good	53.061 \| good	37.697 \| good	0.568 \| good	5.123 \| good	0.19 \| good
2025-07-18T09:00:00.000Z	56 \| moderate	11.775 \| good	52.917 \| good	35.968 \| good	0.57 \| good	5.024 \| good	0.192 \| good
2025-07-18T10:00:00.000Z	56 \| moderate	11.702 \| good	52.358 \| good	32.941 \| good	0.553 \| good	5.116 \| good	0.193 \| good
2025-07-18T11:00:00.000Z	54 \| moderate	10.749 \| good	47.546 \| good	31.459 \| good	0.535 \| good	5.209 \| good	0.194 \| good
2025-07-18T12:00:00.000Z	54 \| moderate	11.271 \| good	49.909 \| good	27.336 \| good	0.518 \| good	5.301 \| good	0.195 \| good
2025-07-18T13:00:00.000Z	52 \| moderate	10.497 \| good	46.562 \| good	26.282 \| good	0.562 \| good	4.697 \| good	0.192 \| good
2025-07-18T14:00:00.000Z	54 \| moderate	10.995 \| good	48.993 \| good	27.183 \| good	0.606 \| good	4.093 \| good	0.188 \| good
2025-07-18T15:00:00.000Z	54 \| moderate	10.507 \| good	46.741 \| good	33.057 \| good	0.649 \| good	3.489 \| good	0.185 \| good
2025-07-18T16:00:00.000Z	54 \| moderate	11.084 \| good	48.995 \| good	41.261 \| good	0.734 \| good	2.844 \| good	0.177 \| good
2025-07-18T17:00:00.000Z	54 \| moderate	11.068 \| good	48.995 \| good	48.328 \| good	0.818 \| good	2.198 \| good	0.17 \| good
2025-07-18T18:00:00.000Z	56 \| moderate	11.548 \| good	51.012 \| good	55.972 \| fine	0.903 \| good	1.553 \| good	0.163 \| good
2025-07-18T19:00:00.000Z	74 \| moderate	12.749 \| fine	57.151 \| fine	62.31 \| fine	0.866 \| good	1.301 \| good	0.16 \| good
2025-07-18T20:00:00.000Z	90 \| moderate	13.201 \| fine	59.546 \| fine	67.235 \| fine	0.83 \| good	1.048 \| good	0.157 \| good
2025-07-18T21:00:00.000Z	87 \| moderate	12.742 \| fine	57.51 \| fine	65.554 \| fine	0.794 \| good	0.796 \| good	0.153 \| good
2025-07-18T22:00:00.000Z	80 \| moderate	12.82 \| fine	57.598 \| fine	64.378 \| fine	0.744 \| good	0.776 \| good	0.151 \| good
2025-07-18T23:00:00.000Z	84 \| moderate	11.719 \| good	52.6 \| good	64.901 \| fine	0.694 \| good	0.757 \| good	0.149 \| good
2025-07-19T00:00:00.000Z	84 \| moderate	11.144 \| good	49.121 \| good	65.468 \| fine	0.644 \| good	0.738 \| good	0.147 \| good
2025-07-19T01:00:00.000Z	80 \| moderate	10.968 \| good	48.381 \| good	64.138 \| fine	0.617 \| good	1.183 \| good	0.148 \| good
2025-07-19T02:00:00.000Z	61 \| moderate	11.129 \| good	49.216 \| good	57.861 \| fine	0.59 \| good	1.629 \| good	0.149 \| good
2025-07-19T03:00:00.000Z	54 \| moderate	10.391 \| good	46.001 \| good	55.973 \| fine	0.563 \| good	2.074 \| good	0.15 \| good
2025-07-19T04:00:00.000Z	54 \| moderate	10.81 \| good	47.804 \| good	53.817 \| good	0.58 \| good	3.018 \| good	0.159 \| good
2025-07-19T05:00:00.000Z	54 \| moderate	11.247 \| good	49.874 \| good	49.818 \| good	0.598 \| good	3.963 \| good	0.169 \| good
2025-07-19T06:00:00.000Z	54 \| moderate	11.346 \| good	14.253 \| good	50.122 \| good	0.625 \| good	4.976 \| good	0.178 \| good
2025-07-19T07:00:00.000Z	54 \| moderate	10.844 \| good	47.845 \| good	41.338 \| good	0.624 \| good	4.872 \| good	0.183 \| good
2025-07-19T08:00:00.000Z	54 \| moderate	10.638 \| good	47.037 \| good	37.837 \| good	0.633 \| good	4.838 \| good	0.188 \| good
2025-07-19T09:00:00.000Z	52 \| moderate	10.021 \| good	44.241 \| good	34.714 \| good	0.642 \| good	4.804 \| good	0.192 \| 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?