What is the current concentration of PM10 in Clayton, California?

The current PM10 concentration at Clayton, California is 34.706 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Clayton, California?

The current sulfur dioxide (SO2) concentration at Clayton, California is 0.411 ppb.

What is the current concentration of ozone (O3) in Clayton, California?

The current ozone (O3) concentration at Clayton, California is 34.329 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Clayton, California?

The current nitrogen dioxide (NO2) concentration at Clayton, California is 1.819 ppb.

Clayton, California live air quality index now

Q: What is the current concentration of PM2.5 in Clayton, California?

The current PM2.5 concentration at Clayton, California is 7.924 μg/m3.

Stay updated with real-time air quality in Clayton, California 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

Clayton, California

Last updated: ... (Local time)

Major air pollutants in Clayton, California

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

7.92 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

34.71 μg/m³

155

255

425

605+

Ozone (O₃)

34.33 ppb

201

201+

Sulfur Dioxide (SO₂)

0.41 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.82 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Clayton, California

Get Live Pollen Counts

Clayton, California

Scroll To Air Quality Map

Track live Clayton, California air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T10:00:00.000Z	27 \| good	4.618 \| good	20.323 \| good	14.492 \| good	0.389 \| good	7.268 \| good	0.409 \| good
2025-10-20T11:00:00.000Z	27 \| good	4.608 \| good	20.551 \| good	14.627 \| good	0.381 \| good	6.982 \| good	0.393 \| good
2025-10-20T12:00:00.000Z	27 \| good	4.51 \| good	19.755 \| good	13.545 \| good	0.379 \| good	6.69 \| good	0.394 \| good
2025-10-20T13:00:00.000Z	27 \| good	4.619 \| good	19.905 \| good	6.915 \| good	0.406 \| good	7.458 \| good	0.387 \| good
2025-10-20T14:00:00.000Z	22 \| good	4.178 \| good	18.538 \| good	12.24 \| good	0.484 \| good	5.67 \| good	0.416 \| good
2025-10-20T15:00:00.000Z	27 \| good	4.539 \| good	19.33 \| good	19.739 \| good	0.484 \| good	4.574 \| good	0.376 \| good
2025-10-20T16:00:00.000Z	27 \| good	4.51 \| good	19.886 \| good	24.945 \| good	0.488 \| good	5.176 \| good	0.395 \| good
2025-10-20T17:00:00.000Z	25 \| good	3.477 \| good	14.189 \| good	27.341 \| good	0.539 \| good	4.06 \| good	0.464 \| good
2025-10-20T18:00:00.000Z	30 \| good	2.329 \| good	10.115 \| good	32.243 \| good	0.431 \| good	2.895 \| good	0.331 \| good
2025-10-20T19:00:00.000Z	33 \| good	2.484 \| good	10.997 \| good	35.74 \| good	0.419 \| good	2.621 \| good	0.324 \| good
2025-10-20T20:00:00.000Z	31 \| good	1.797 \| good	7.514 \| good	33.511 \| good	0.425 \| good	2.312 \| good	0.304 \| good
2025-10-20T21:00:00.000Z	35 \| good	3.42 \| good	17.896 \| good	37.584 \| good	0.412 \| good	2.187 \| good	0.293 \| good
2025-10-20T22:00:00.000Z	38 \| good	2.851 \| good	12.018 \| good	40.633 \| good	0.409 \| good	2.264 \| good	0.306 \| good
2025-10-20T23:00:00.000Z	37 \| good	1.008 \| good	4.055 \| good	39.81 \| good	0.405 \| good	2.236 \| good	0.306 \| good
2025-10-21T00:00:00.000Z	35 \| good	1.45 \| good	6.473 \| good	37.652 \| good	0.482 \| good	2.749 \| good	0.302 \| good
2025-10-21T01:00:00.000Z	35 \| good	2.204 \| good	9.222 \| good	38.296 \| good	0.494 \| good	3.172 \| good	0.295 \| good
2025-10-21T02:00:00.000Z	34 \| good	2.405 \| good	10.924 \| good	36.531 \| good	1.059 \| good	3.941 \| good	0.297 \| good
2025-10-21T03:00:00.000Z	33 \| good	3.022 \| good	12.823 \| good	20.536 \| good	1.291 \| good	34.935 \| good	0.407 \| good
2025-10-21T04:00:00.000Z	26 \| good	2.328 \| good	10.129 \| good	28.239 \| good	0.779 \| good	11.186 \| good	0.401 \| good
2025-10-21T05:00:00.000Z	22 \| good	3.718 \| good	15.948 \| good	21.695 \| good	0.637 \| good	13.647 \| good	0.516 \| good
2025-10-21T06:00:00.000Z	33 \| good	5.646 \| good	24.877 \| good	19.869 \| good	0.553 \| good	10.454 \| good	0.445 \| good
2025-10-21T07:00:00.000Z	27 \| good	4.815 \| good	19.463 \| good	15.261 \| good	0.533 \| good	10.737 \| good	0.438 \| good
2025-10-21T08:00:00.000Z	27 \| good	4.673 \| good	19.832 \| good	13.625 \| good	0.535 \| good	10.819 \| good	0.43 \| good
2025-10-21T09:00:00.000Z	22 \| good	4.168 \| good	18.859 \| good	14.873 \| good	0.472 \| good	9.069 \| good	0.435 \| good
2025-10-21T10:00:00.000Z	22 \| good	4.205 \| good	16.349 \| good	12.42 \| good	0.475 \| good	8.289 \| good	0.352 \| good
2025-10-21T11:00:00.000Z	22 \| good	4.169 \| good	16.95 \| good	13.419 \| good	0.472 \| good	8.403 \| good	0.359 \| good
2025-10-21T12:00:00.000Z	22 \| good	4.389 \| good	20.175 \| good	12.463 \| good	0.473 \| good	8.541 \| good	0.356 \| good
2025-10-21T13:00:00.000Z	16 \| good	3.29 \| good	14.072 \| good	9.3 \| good	0.559 \| good	8.736 \| good	0.343 \| good
2025-10-21T14:00:00.000Z	16 \| good	2.641 \| good	11.299 \| good	8.971 \| good	0.53 \| good	9.245 \| good	0.366 \| good
2025-10-21T15:00:00.000Z	16 \| good	2.932 \| good	12.497 \| good	10.326 \| good	0.534 \| good	11.458 \| good	0.474 \| good
2025-10-21T16:00:00.000Z	11 \| good	2.314 \| good	9.801 \| good	6.7 \| good	0.523 \| good	12.333 \| good	0.558 \| good
2025-10-21T17:00:00.000Z	11 \| good	2.224 \| good	10.599 \| good	10.281 \| good	0.567 \| good	12.007 \| good	0.572 \| good
2025-10-21T18:00:00.000Z	16 \| good	2.535 \| good	10.082 \| good	12.801 \| good	1.18 \| good	11.388 \| good	0.505 \| good
2025-10-21T19:00:00.000Z	22 \| good	4.31 \| good	19.598 \| good	17.33 \| good	1.57 \| good	12.341 \| good	0.554 \| good
2025-10-21T20:00:00.000Z	33 \| good	6.351 \| good	28.661 \| good	28.505 \| good	0.749 \| good	5.922 \| good	0.371 \| good
2025-10-21T21:00:00.000Z	33 \| good	6.452 \| good	28.445 \| good	34.001 \| good	1.029 \| good	4.149 \| good	0.374 \| good
2025-10-21T22:00:00.000Z	33 \| good	6.193 \| good	27.924 \| good	36.058 \| good	1.005 \| good	3.402 \| good	0.368 \| good
2025-10-21T23:00:00.000Z	35 \| good	5.954 \| good	26.052 \| good	37.668 \| good	0.748 \| good	3.038 \| good	0.356 \| good
2025-10-22T00:00:00.000Z	39 \| good	5.313 \| good	23.113 \| good	41.949 \| good	0.502 \| good	3.282 \| good	0.289 \| good
2025-10-22T01:00:00.000Z	40 \| good	6.273 \| good	27.784 \| good	42.557 \| good	0.521 \| good	3.81 \| good	0.381 \| good
2025-10-22T02:00:00.000Z	36 \| good	5.893 \| good	25.772 \| good	39.287 \| good	0.509 \| good	5.638 \| good	0.4 \| good
2025-10-22T03:00:00.000Z	60 \| moderate	13.743 \| fine	61.265 \| fine	29.819 \| good	2.004 \| good	30.971 \| good	0.365 \| good
2025-10-22T04:00:00.000Z	44 \| good	8.419 \| good	37.265 \| good	33.372 \| good	0.882 \| good	7.814 \| good	0.462 \| good
2025-10-22T05:00:00.000Z	44 \| good	8.433 \| good	37.674 \| good	34.811 \| good	0.569 \| good	3.402 \| good	0.382 \| good
2025-10-22T06:00:00.000Z	44 \| good	8.347 \| good	36.198 \| good	35.406 \| good	0.486 \| good	2.001 \| good	0.304 \| good
2025-10-22T07:00:00.000Z	44 \| good	8.411 \| good	36.833 \| good	36.189 \| good	0.483 \| good	1.852 \| good	0.298 \| good
2025-10-22T08:00:00.000Z	44 \| good	8.434 \| good	37.178 \| good	35.36 \| good	0.401 \| good	1.806 \| good	0.302 \| good
2025-10-22T09:00:00.000Z	44 \| good	7.924 \| good	34.706 \| good	34.329 \| good	0.411 \| good	1.819 \| good	0.29 \| good
2025-10-22T09:00:00.000Z	44 \| good	7.924 \| good	34.706 \| good	34.329 \| good	0.411 \| good	1.819 \| good	0.29 \| good
2025-10-22T10:00:00.000Z	19 \| good	2.995 \| good	12.63 \| good	20.124 \| good	1.497 \| good	15.524 \| good	0.195 \| good
2025-10-22T11:00:00.000Z	18 \| good	2.595 \| good	11.043 \| good	18.528 \| good	1.291 \| good	12.366 \| good	0.173 \| good
2025-10-22T12:00:00.000Z	20 \| good	2.245 \| good	8.989 \| good	21.734 \| good	1.086 \| good	9.207 \| good	0.15 \| good
2025-10-22T13:00:00.000Z	21 \| good	2.458 \| good	9.958 \| good	22.93 \| good	0.974 \| good	7.955 \| good	0.144 \| good
2025-10-22T14:00:00.000Z	22 \| good	2.086 \| good	8.842 \| good	24.047 \| good	0.861 \| good	6.702 \| good	0.139 \| good
2025-10-22T15:00:00.000Z	25 \| good	2.209 \| good	9.124 \| good	26.866 \| good	0.749 \| good	5.45 \| good	0.133 \| good
2025-10-22T16:00:00.000Z	27 \| good	2.153 \| good	9.106 \| good	29.445 \| good	0.735 \| good	4.661 \| good	0.131 \| good
2025-10-22T17:00:00.000Z	28 \| good	5.078 \| good	22.157 \| good	30.302 \| good	0.722 \| good	3.872 \| good	0.128 \| good
2025-10-22T18:00:00.000Z	31 \| good	4.444 \| good	19.371 \| good	33.232 \| good	0.708 \| good	3.083 \| good	0.126 \| good
2025-10-22T19:00:00.000Z	33 \| good	3.71 \| good	16.319 \| good	35.783 \| good	0.728 \| good	2.711 \| good	0.124 \| good
2025-10-22T20:00:00.000Z	37 \| good	3.373 \| good	14.268 \| good	39.861 \| good	0.748 \| good	2.338 \| good	0.122 \| good
2025-10-22T21:00:00.000Z	37 \| good	3.565 \| good	15.568 \| good	40.081 \| good	0.768 \| good	1.965 \| good	0.119 \| good
2025-10-22T22:00:00.000Z	37 \| good	3.673 \| good	15.997 \| good	40.245 \| good	0.809 \| good	2.269 \| good	0.121 \| good
2025-10-22T23:00:00.000Z	37 \| good	4.706 \| good	20.35 \| good	39.696 \| good	0.849 \| good	2.574 \| good	0.122 \| good
2025-10-23T00:00:00.000Z	35 \| good	3.92 \| good	16.905 \| good	37.839 \| good	0.89 \| good	2.878 \| good	0.123 \| good
2025-10-23T01:00:00.000Z	31 \| good	3.866 \| good	17.023 \| good	34.21 \| good	0.979 \| good	5.507 \| good	0.139 \| good
2025-10-23T02:00:00.000Z	25 \| good	3.407 \| good	14.614 \| good	26.707 \| good	1.067 \| good	8.137 \| good	0.154 \| good
2025-10-23T03:00:00.000Z	22 \| good	3.868 \| good	16.997 \| good	23.61 \| good	1.156 \| good	10.767 \| good	0.169 \| good
2025-10-23T04:00:00.000Z	22 \| good	3.513 \| good	14.933 \| good	22.02 \| good	1.141 \| good	10.93 \| good	0.169 \| good
2025-10-23T05:00:00.000Z	22 \| good	3.976 \| good	17.429 \| good	18.78 \| good	1.126 \| good	11.093 \| good	0.169 \| good
2025-10-23T06:00:00.000Z	22 \| good	3.901 \| good	17.157 \| good	16.872 \| good	1.111 \| good	11.257 \| good	0.169 \| good
2025-10-23T07:00:00.000Z	16 \| good	3.444 \| good	14.494 \| good	15.18 \| good	0.984 \| good	9.147 \| good	0.158 \| good
2025-10-23T08:00:00.000Z	16 \| good	2.703 \| good	11.371 \| good	14.946 \| good	0.857 \| good	7.038 \| good	0.148 \| good
2025-10-23T09:00:00.000Z	16 \| good	2.723 \| good	11.442 \| good	16.989 \| good	0.729 \| good	4.929 \| good	0.137 \| good
2025-10-23T10:00:00.000Z	16 \| good	2.214 \| good	9.262 \| good	16.559 \| good	0.727 \| good	4.987 \| good	0.136 \| good
2025-10-23T11:00:00.000Z	14 \| good	1.942 \| good	8.203 \| good	14.513 \| good	0.724 \| good	5.044 \| good	0.134 \| good
2025-10-23T12:00:00.000Z	15 \| good	1.895 \| good	7.544 \| good	15.963 \| good	0.721 \| good	5.101 \| good	0.133 \| good
2025-10-23T13:00:00.000Z	13 \| good	2.254 \| good	9.632 \| good	13.927 \| good	0.755 \| good	6.33 \| good	0.142 \| good
2025-10-23T14:00:00.000Z	12 \| good	2.287 \| good	9.696 \| good	12.705 \| good	0.789 \| good	7.558 \| good	0.151 \| good
2025-10-23T15:00:00.000Z	16 \| good	2.655 \| good	11.26 \| good	15.994 \| good	0.823 \| good	8.787 \| good	0.16 \| good
2025-10-23T16:00:00.000Z	19 \| good	2.843 \| good	12.175 \| good	20.816 \| good	0.93 \| good	7.371 \| good	0.155 \| good
2025-10-23T17:00:00.000Z	27 \| good	5.463 \| good	23.358 \| good	23.076 \| good	1.037 \| good	5.956 \| good	0.15 \| good
2025-10-23T18:00:00.000Z	27 \| good	4.919 \| good	21.338 \| good	26.732 \| good	1.144 \| good	4.541 \| good	0.146 \| good
2025-10-23T19:00:00.000Z	33 \| good	5.865 \| good	25.381 \| good	30.717 \| good	1.23 \| good	4.263 \| good	0.145 \| good
2025-10-23T20:00:00.000Z	33 \| good	6.319 \| good	28.032 \| good	36.192 \| good	1.317 \| good	3.986 \| good	0.145 \| good
2025-10-23T21:00:00.000Z	36 \| good	6.322 \| good	28.174 \| good	39.19 \| good	1.403 \| good	3.708 \| good	0.144 \| good
2025-10-23T22:00:00.000Z	38 \| good	6.04 \| good	26.34 \| good	41.057 \| good	1.421 \| good	3.968 \| good	0.145 \| good
2025-10-23T23:00:00.000Z	38 \| good	5.96 \| good	26.104 \| good	41.499 \| good	1.44 \| good	4.228 \| good	0.146 \| good
2025-10-24T00:00:00.000Z	36 \| good	4.95 \| good	21.646 \| good	38.682 \| good	1.459 \| good	4.489 \| good	0.146 \| good
2025-10-24T01:00:00.000Z	29 \| good	4.378 \| good	19.235 \| good	30.564 \| good	1.419 \| good	8.092 \| good	0.166 \| good
2025-10-24T02:00:00.000Z	27 \| good	4.853 \| good	21.078 \| good	22.444 \| good	1.38 \| good	11.696 \| good	0.186 \| good
2025-10-24T03:00:00.000Z	27 \| good	4.798 \| good	20.756 \| good	21.477 \| good	1.34 \| good	15.299 \| good	0.206 \| good
2025-10-24T04:00:00.000Z	27 \| good	5.08 \| good	22.205 \| good	18.75 \| good	1.353 \| good	16.896 \| good	0.217 \| good
2025-10-24T05:00:00.000Z	27 \| good	4.948 \| good	21.585 \| good	14.159 \| good	1.367 \| good	18.492 \| good	0.227 \| good
2025-10-24T06:00:00.000Z	62 \| moderate	15.186 \| fine	16.895 \| good	9.812 \| good	1.381 \| good	20.137 \| good	0.238 \| good
2025-10-24T07:00:00.000Z	22 \| good	3.957 \| good	17.579 \| good	12.112 \| good	1.309 \| good	20.368 \| good	0.236 \| good
2025-10-24T08:00:00.000Z	20 \| good	3.293 \| good	14.18 \| good	11.73 \| good	1.238 \| good	20.647 \| good	0.234 \| good
2025-10-24T09:00:00.000Z	20 \| good	3.082 \| good	13.004 \| good	12.642 \| good	1.167 \| good	20.926 \| good	0.233 \| good

Clayton

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Clayton, California air quality map: Track AQI near you

0.30ppm

How accurate is California, USA air quality data?

Air quality data and pollutant measurements for California, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.

Source: Ambee Data Sources

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Frequently asked questions

How often is the air quality data for Clayton, California updated?

The air quality for Clayton, California is updated every hour.

When was the worst air quality at Clayton, California in the last 24 hrs?

The worst air quality in Clayton, California in the last 24 hours was observed at 03:00:00 on 2025-10-22.

When was the best air quality at Clayton, California in the last 24 hrs?

In the last 24 hrs, the best air quality in Clayton, California was observed at 05:00:00 on 2025-10-21.

What is the current air quality in Clayton, California?

The current air quality in Clayton, California is 44, categorized as Good based on real-time data.

What pollutant is the most common in Clayton, California?

The most common pollutant in Clayton, California is PM2.5.

What should I do if the air quality in Clayton, California is poor?

If the air quality in Clayton, California is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Clayton, California?

The current PM_2.5 concentration at Clayton, California is 7.924 μg/m³.

What is the current concentration of PM₁₀ in Clayton, California?

The current PM₁₀ concentration at Clayton, California is 34.706 μg/m³.

What is the current concentration of carbon monoxide (CO) in Clayton, California?

The current carbon monoxide (CO) concentration at Clayton, California is 0.29 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Clayton, California?

The current sulfur dioxide (SO₂) concentration at Clayton, California is 0.411 ppb.

What is the current concentration of ozone (O₃) in Clayton, California?

The current ozone (O₃) concentration at Clayton, California is 34.329 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Clayton, California?

The current nitrogen dioxide (NO₂) concentration at Clayton, California is 1.819 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T10:00:00.000Z	27 \| good	4.618 \| good	20.323 \| good	14.492 \| good	0.389 \| good	7.268 \| good	0.409 \| good
2025-10-20T11:00:00.000Z	27 \| good	4.608 \| good	20.551 \| good	14.627 \| good	0.381 \| good	6.982 \| good	0.393 \| good
2025-10-20T12:00:00.000Z	27 \| good	4.51 \| good	19.755 \| good	13.545 \| good	0.379 \| good	6.69 \| good	0.394 \| good
2025-10-20T13:00:00.000Z	27 \| good	4.619 \| good	19.905 \| good	6.915 \| good	0.406 \| good	7.458 \| good	0.387 \| good
2025-10-20T14:00:00.000Z	22 \| good	4.178 \| good	18.538 \| good	12.24 \| good	0.484 \| good	5.67 \| good	0.416 \| good
2025-10-20T15:00:00.000Z	27 \| good	4.539 \| good	19.33 \| good	19.739 \| good	0.484 \| good	4.574 \| good	0.376 \| good
2025-10-20T16:00:00.000Z	27 \| good	4.51 \| good	19.886 \| good	24.945 \| good	0.488 \| good	5.176 \| good	0.395 \| good
2025-10-20T17:00:00.000Z	25 \| good	3.477 \| good	14.189 \| good	27.341 \| good	0.539 \| good	4.06 \| good	0.464 \| good
2025-10-20T18:00:00.000Z	30 \| good	2.329 \| good	10.115 \| good	32.243 \| good	0.431 \| good	2.895 \| good	0.331 \| good
2025-10-20T19:00:00.000Z	33 \| good	2.484 \| good	10.997 \| good	35.74 \| good	0.419 \| good	2.621 \| good	0.324 \| good
2025-10-20T20:00:00.000Z	31 \| good	1.797 \| good	7.514 \| good	33.511 \| good	0.425 \| good	2.312 \| good	0.304 \| good
2025-10-20T21:00:00.000Z	35 \| good	3.42 \| good	17.896 \| good	37.584 \| good	0.412 \| good	2.187 \| good	0.293 \| good
2025-10-20T22:00:00.000Z	38 \| good	2.851 \| good	12.018 \| good	40.633 \| good	0.409 \| good	2.264 \| good	0.306 \| good
2025-10-20T23:00:00.000Z	37 \| good	1.008 \| good	4.055 \| good	39.81 \| good	0.405 \| good	2.236 \| good	0.306 \| good
2025-10-21T00:00:00.000Z	35 \| good	1.45 \| good	6.473 \| good	37.652 \| good	0.482 \| good	2.749 \| good	0.302 \| good
2025-10-21T01:00:00.000Z	35 \| good	2.204 \| good	9.222 \| good	38.296 \| good	0.494 \| good	3.172 \| good	0.295 \| good
2025-10-21T02:00:00.000Z	34 \| good	2.405 \| good	10.924 \| good	36.531 \| good	1.059 \| good	3.941 \| good	0.297 \| good
2025-10-21T03:00:00.000Z	33 \| good	3.022 \| good	12.823 \| good	20.536 \| good	1.291 \| good	34.935 \| good	0.407 \| good
2025-10-21T04:00:00.000Z	26 \| good	2.328 \| good	10.129 \| good	28.239 \| good	0.779 \| good	11.186 \| good	0.401 \| good
2025-10-21T05:00:00.000Z	22 \| good	3.718 \| good	15.948 \| good	21.695 \| good	0.637 \| good	13.647 \| good	0.516 \| good
2025-10-21T06:00:00.000Z	33 \| good	5.646 \| good	24.877 \| good	19.869 \| good	0.553 \| good	10.454 \| good	0.445 \| good
2025-10-21T07:00:00.000Z	27 \| good	4.815 \| good	19.463 \| good	15.261 \| good	0.533 \| good	10.737 \| good	0.438 \| good
2025-10-21T08:00:00.000Z	27 \| good	4.673 \| good	19.832 \| good	13.625 \| good	0.535 \| good	10.819 \| good	0.43 \| good
2025-10-21T09:00:00.000Z	22 \| good	4.168 \| good	18.859 \| good	14.873 \| good	0.472 \| good	9.069 \| good	0.435 \| good
2025-10-21T10:00:00.000Z	22 \| good	4.205 \| good	16.349 \| good	12.42 \| good	0.475 \| good	8.289 \| good	0.352 \| good
2025-10-21T11:00:00.000Z	22 \| good	4.169 \| good	16.95 \| good	13.419 \| good	0.472 \| good	8.403 \| good	0.359 \| good
2025-10-21T12:00:00.000Z	22 \| good	4.389 \| good	20.175 \| good	12.463 \| good	0.473 \| good	8.541 \| good	0.356 \| good
2025-10-21T13:00:00.000Z	16 \| good	3.29 \| good	14.072 \| good	9.3 \| good	0.559 \| good	8.736 \| good	0.343 \| good
2025-10-21T14:00:00.000Z	16 \| good	2.641 \| good	11.299 \| good	8.971 \| good	0.53 \| good	9.245 \| good	0.366 \| good
2025-10-21T15:00:00.000Z	16 \| good	2.932 \| good	12.497 \| good	10.326 \| good	0.534 \| good	11.458 \| good	0.474 \| good
2025-10-21T16:00:00.000Z	11 \| good	2.314 \| good	9.801 \| good	6.7 \| good	0.523 \| good	12.333 \| good	0.558 \| good
2025-10-21T17:00:00.000Z	11 \| good	2.224 \| good	10.599 \| good	10.281 \| good	0.567 \| good	12.007 \| good	0.572 \| good
2025-10-21T18:00:00.000Z	16 \| good	2.535 \| good	10.082 \| good	12.801 \| good	1.18 \| good	11.388 \| good	0.505 \| good
2025-10-21T19:00:00.000Z	22 \| good	4.31 \| good	19.598 \| good	17.33 \| good	1.57 \| good	12.341 \| good	0.554 \| good
2025-10-21T20:00:00.000Z	33 \| good	6.351 \| good	28.661 \| good	28.505 \| good	0.749 \| good	5.922 \| good	0.371 \| good
2025-10-21T21:00:00.000Z	33 \| good	6.452 \| good	28.445 \| good	34.001 \| good	1.029 \| good	4.149 \| good	0.374 \| good
2025-10-21T22:00:00.000Z	33 \| good	6.193 \| good	27.924 \| good	36.058 \| good	1.005 \| good	3.402 \| good	0.368 \| good
2025-10-21T23:00:00.000Z	35 \| good	5.954 \| good	26.052 \| good	37.668 \| good	0.748 \| good	3.038 \| good	0.356 \| good
2025-10-22T00:00:00.000Z	39 \| good	5.313 \| good	23.113 \| good	41.949 \| good	0.502 \| good	3.282 \| good	0.289 \| good
2025-10-22T01:00:00.000Z	40 \| good	6.273 \| good	27.784 \| good	42.557 \| good	0.521 \| good	3.81 \| good	0.381 \| good
2025-10-22T02:00:00.000Z	36 \| good	5.893 \| good	25.772 \| good	39.287 \| good	0.509 \| good	5.638 \| good	0.4 \| good
2025-10-22T03:00:00.000Z	60 \| moderate	13.743 \| fine	61.265 \| fine	29.819 \| good	2.004 \| good	30.971 \| good	0.365 \| good
2025-10-22T04:00:00.000Z	44 \| good	8.419 \| good	37.265 \| good	33.372 \| good	0.882 \| good	7.814 \| good	0.462 \| good
2025-10-22T05:00:00.000Z	44 \| good	8.433 \| good	37.674 \| good	34.811 \| good	0.569 \| good	3.402 \| good	0.382 \| good
2025-10-22T06:00:00.000Z	44 \| good	8.347 \| good	36.198 \| good	35.406 \| good	0.486 \| good	2.001 \| good	0.304 \| good
2025-10-22T07:00:00.000Z	44 \| good	8.411 \| good	36.833 \| good	36.189 \| good	0.483 \| good	1.852 \| good	0.298 \| good
2025-10-22T08:00:00.000Z	44 \| good	8.434 \| good	37.178 \| good	35.36 \| good	0.401 \| good	1.806 \| good	0.302 \| good
2025-10-22T09:00:00.000Z	44 \| good	7.924 \| good	34.706 \| good	34.329 \| good	0.411 \| good	1.819 \| good	0.29 \| good
2025-10-22T09:00:00.000Z	44 \| good	7.924 \| good	34.706 \| good	34.329 \| good	0.411 \| good	1.819 \| good	0.29 \| good
2025-10-22T10:00:00.000Z	19 \| good	2.995 \| good	12.63 \| good	20.124 \| good	1.497 \| good	15.524 \| good	0.195 \| good
2025-10-22T11:00:00.000Z	18 \| good	2.595 \| good	11.043 \| good	18.528 \| good	1.291 \| good	12.366 \| good	0.173 \| good
2025-10-22T12:00:00.000Z	20 \| good	2.245 \| good	8.989 \| good	21.734 \| good	1.086 \| good	9.207 \| good	0.15 \| good
2025-10-22T13:00:00.000Z	21 \| good	2.458 \| good	9.958 \| good	22.93 \| good	0.974 \| good	7.955 \| good	0.144 \| good
2025-10-22T14:00:00.000Z	22 \| good	2.086 \| good	8.842 \| good	24.047 \| good	0.861 \| good	6.702 \| good	0.139 \| good
2025-10-22T15:00:00.000Z	25 \| good	2.209 \| good	9.124 \| good	26.866 \| good	0.749 \| good	5.45 \| good	0.133 \| good
2025-10-22T16:00:00.000Z	27 \| good	2.153 \| good	9.106 \| good	29.445 \| good	0.735 \| good	4.661 \| good	0.131 \| good
2025-10-22T17:00:00.000Z	28 \| good	5.078 \| good	22.157 \| good	30.302 \| good	0.722 \| good	3.872 \| good	0.128 \| good
2025-10-22T18:00:00.000Z	31 \| good	4.444 \| good	19.371 \| good	33.232 \| good	0.708 \| good	3.083 \| good	0.126 \| good
2025-10-22T19:00:00.000Z	33 \| good	3.71 \| good	16.319 \| good	35.783 \| good	0.728 \| good	2.711 \| good	0.124 \| good
2025-10-22T20:00:00.000Z	37 \| good	3.373 \| good	14.268 \| good	39.861 \| good	0.748 \| good	2.338 \| good	0.122 \| good
2025-10-22T21:00:00.000Z	37 \| good	3.565 \| good	15.568 \| good	40.081 \| good	0.768 \| good	1.965 \| good	0.119 \| good
2025-10-22T22:00:00.000Z	37 \| good	3.673 \| good	15.997 \| good	40.245 \| good	0.809 \| good	2.269 \| good	0.121 \| good
2025-10-22T23:00:00.000Z	37 \| good	4.706 \| good	20.35 \| good	39.696 \| good	0.849 \| good	2.574 \| good	0.122 \| good
2025-10-23T00:00:00.000Z	35 \| good	3.92 \| good	16.905 \| good	37.839 \| good	0.89 \| good	2.878 \| good	0.123 \| good
2025-10-23T01:00:00.000Z	31 \| good	3.866 \| good	17.023 \| good	34.21 \| good	0.979 \| good	5.507 \| good	0.139 \| good
2025-10-23T02:00:00.000Z	25 \| good	3.407 \| good	14.614 \| good	26.707 \| good	1.067 \| good	8.137 \| good	0.154 \| good
2025-10-23T03:00:00.000Z	22 \| good	3.868 \| good	16.997 \| good	23.61 \| good	1.156 \| good	10.767 \| good	0.169 \| good
2025-10-23T04:00:00.000Z	22 \| good	3.513 \| good	14.933 \| good	22.02 \| good	1.141 \| good	10.93 \| good	0.169 \| good
2025-10-23T05:00:00.000Z	22 \| good	3.976 \| good	17.429 \| good	18.78 \| good	1.126 \| good	11.093 \| good	0.169 \| good
2025-10-23T06:00:00.000Z	22 \| good	3.901 \| good	17.157 \| good	16.872 \| good	1.111 \| good	11.257 \| good	0.169 \| good
2025-10-23T07:00:00.000Z	16 \| good	3.444 \| good	14.494 \| good	15.18 \| good	0.984 \| good	9.147 \| good	0.158 \| good
2025-10-23T08:00:00.000Z	16 \| good	2.703 \| good	11.371 \| good	14.946 \| good	0.857 \| good	7.038 \| good	0.148 \| good
2025-10-23T09:00:00.000Z	16 \| good	2.723 \| good	11.442 \| good	16.989 \| good	0.729 \| good	4.929 \| good	0.137 \| good
2025-10-23T10:00:00.000Z	16 \| good	2.214 \| good	9.262 \| good	16.559 \| good	0.727 \| good	4.987 \| good	0.136 \| good
2025-10-23T11:00:00.000Z	14 \| good	1.942 \| good	8.203 \| good	14.513 \| good	0.724 \| good	5.044 \| good	0.134 \| good
2025-10-23T12:00:00.000Z	15 \| good	1.895 \| good	7.544 \| good	15.963 \| good	0.721 \| good	5.101 \| good	0.133 \| good
2025-10-23T13:00:00.000Z	13 \| good	2.254 \| good	9.632 \| good	13.927 \| good	0.755 \| good	6.33 \| good	0.142 \| good
2025-10-23T14:00:00.000Z	12 \| good	2.287 \| good	9.696 \| good	12.705 \| good	0.789 \| good	7.558 \| good	0.151 \| good
2025-10-23T15:00:00.000Z	16 \| good	2.655 \| good	11.26 \| good	15.994 \| good	0.823 \| good	8.787 \| good	0.16 \| good
2025-10-23T16:00:00.000Z	19 \| good	2.843 \| good	12.175 \| good	20.816 \| good	0.93 \| good	7.371 \| good	0.155 \| good
2025-10-23T17:00:00.000Z	27 \| good	5.463 \| good	23.358 \| good	23.076 \| good	1.037 \| good	5.956 \| good	0.15 \| good
2025-10-23T18:00:00.000Z	27 \| good	4.919 \| good	21.338 \| good	26.732 \| good	1.144 \| good	4.541 \| good	0.146 \| good
2025-10-23T19:00:00.000Z	33 \| good	5.865 \| good	25.381 \| good	30.717 \| good	1.23 \| good	4.263 \| good	0.145 \| good
2025-10-23T20:00:00.000Z	33 \| good	6.319 \| good	28.032 \| good	36.192 \| good	1.317 \| good	3.986 \| good	0.145 \| good
2025-10-23T21:00:00.000Z	36 \| good	6.322 \| good	28.174 \| good	39.19 \| good	1.403 \| good	3.708 \| good	0.144 \| good
2025-10-23T22:00:00.000Z	38 \| good	6.04 \| good	26.34 \| good	41.057 \| good	1.421 \| good	3.968 \| good	0.145 \| good
2025-10-23T23:00:00.000Z	38 \| good	5.96 \| good	26.104 \| good	41.499 \| good	1.44 \| good	4.228 \| good	0.146 \| good
2025-10-24T00:00:00.000Z	36 \| good	4.95 \| good	21.646 \| good	38.682 \| good	1.459 \| good	4.489 \| good	0.146 \| good
2025-10-24T01:00:00.000Z	29 \| good	4.378 \| good	19.235 \| good	30.564 \| good	1.419 \| good	8.092 \| good	0.166 \| good
2025-10-24T02:00:00.000Z	27 \| good	4.853 \| good	21.078 \| good	22.444 \| good	1.38 \| good	11.696 \| good	0.186 \| good
2025-10-24T03:00:00.000Z	27 \| good	4.798 \| good	20.756 \| good	21.477 \| good	1.34 \| good	15.299 \| good	0.206 \| good
2025-10-24T04:00:00.000Z	27 \| good	5.08 \| good	22.205 \| good	18.75 \| good	1.353 \| good	16.896 \| good	0.217 \| good
2025-10-24T05:00:00.000Z	27 \| good	4.948 \| good	21.585 \| good	14.159 \| good	1.367 \| good	18.492 \| good	0.227 \| good
2025-10-24T06:00:00.000Z	62 \| moderate	15.186 \| fine	16.895 \| good	9.812 \| good	1.381 \| good	20.137 \| good	0.238 \| good
2025-10-24T07:00:00.000Z	22 \| good	3.957 \| good	17.579 \| good	12.112 \| good	1.309 \| good	20.368 \| good	0.236 \| good
2025-10-24T08:00:00.000Z	20 \| good	3.293 \| good	14.18 \| good	11.73 \| good	1.238 \| good	20.647 \| good	0.234 \| good
2025-10-24T09:00:00.000Z	20 \| good	3.082 \| good	13.004 \| good	12.642 \| good	1.167 \| good	20.926 \| good	0.233 \| good

Clayton, California live air quality index now

Major air pollutants in Clayton, California

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Clayton, California air quality map: Track AQI near you

Air quality in nearby cities

Concord, California

Bay Point, California

Pittsburg, California

Pleasant Hill, California

Walnut Creek, California

Alamo, California

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Frequently asked questions

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What is the current concentration of PM2.5 in Clayton, California?

What is the current concentration of PM10 in Clayton, California?

What is the current concentration of carbon monoxide (CO) in Clayton, California?

What is the current concentration of sulfur dioxide (SO2) in Clayton, California?

What is the current concentration of ozone (O3) in Clayton, California?

What is the current concentration of nitrogen dioxide (NO2) in Clayton, California?

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What is the current concentration of PM_2.5 in Clayton, California?

What is the current concentration of PM₁₀ in Clayton, California?

What is the current concentration of sulfur dioxide (SO₂) in Clayton, California?

What is the current concentration of ozone (O₃) in Clayton, California?

What is the current concentration of nitrogen dioxide (NO₂) in Clayton, California?