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

The current PM10 concentration at Clayton, California is 20.504 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Clayton, California is 0.156 ppb.

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

The current ozone (O3) concentration at Clayton, California is 25.037 ppm.

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

The current nitrogen dioxide (NO2) concentration at Clayton, California is 2.562 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 4.244 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)

4.24 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.50 μg/m³

155

255

425

605+

Ozone (O₃)

25.04 ppb

201

201+

Sulfur Dioxide (SO₂)

0.16 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.56 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 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
2026-09-19T07:00:00.000Z	38 \| good	7.123 \| good	31.998 \| good	25.389 \| good	0.165 \| good	2.456 \| good	0.305 \| good
2026-09-19T08:00:00.000Z	38 \| good	6.658 \| good	28.974 \| good	23.739 \| good	0.156 \| good	2.27 \| good	0.304 \| good
2026-09-19T09:00:00.000Z	38 \| good	6.706 \| good	31.285 \| good	23.739 \| good	0.156 \| good	2.252 \| good	0.304 \| good
2026-09-19T10:00:00.000Z	33 \| good	5.806 \| good	27.323 \| good	22.427 \| good	0.475 \| good	3.442 \| good	0.125 \| good
2026-09-19T11:00:00.000Z	38 \| good	7.135 \| good	29.644 \| good	23.623 \| good	0.457 \| good	3.288 \| good	0.125 \| good
2026-09-19T12:00:00.000Z	27 \| good	4.569 \| good	21.124 \| good	21.703 \| good	0.443 \| good	4.584 \| good	0.164 \| good
2026-09-19T13:00:00.000Z	44 \| good	7.688 \| good	34.103 \| good	24.652 \| good	0.137 \| good	1.388 \| good	0.292 \| good
2026-09-19T14:00:00.000Z	44 \| good	7.566 \| good	33.823 \| good	25.921 \| good	0.443 \| good	1.593 \| good	0.298 \| good
2026-09-19T15:00:00.000Z	38 \| good	7.362 \| good	32.739 \| good	27.769 \| good	0.157 \| good	1.596 \| good	0.301 \| good
2026-09-19T16:00:00.000Z	44 \| good	7.542 \| good	32.742 \| good	27.054 \| good	0.16 \| good	1.777 \| good	0.302 \| good
2026-09-19T17:00:00.000Z	38 \| good	6.864 \| good	30.239 \| good	29.609 \| good	0.159 \| good	1.439 \| good	0.305 \| good
2026-09-19T18:00:00.000Z	38 \| good	7.271 \| good	31.965 \| good	28.803 \| good	0.17 \| good	1.596 \| good	0.304 \| good
2026-09-19T19:00:00.000Z	44 \| good	8.36 \| good	36.252 \| good	28.946 \| good	0.168 \| good	1.912 \| good	0.305 \| good
2026-09-19T20:00:00.000Z	33 \| good	6.268 \| good	27.277 \| good	31.741 \| good	0.558 \| good	2.073 \| good	0.305 \| good
2026-09-19T21:00:00.000Z	54 \| moderate	10.561 \| good	45.56 \| good	36.094 \| good	0.181 \| good	2.165 \| good	0.311 \| good
2026-09-19T22:00:00.000Z	49 \| good	9.188 \| good	40.544 \| good	37.987 \| good	0.501 \| good	3.729 \| good	0.392 \| good
2026-09-19T23:00:00.000Z	49 \| good	9.336 \| good	41.685 \| good	38.942 \| good	0.329 \| good	3.248 \| good	0.394 \| good
2026-09-20T00:00:00.000Z	44 \| good	8.082 \| good	34.737 \| good	40.644 \| good	0.243 \| good	2.35 \| good	0.311 \| good
2026-09-20T01:00:00.000Z	38 \| good	7.092 \| good	30.927 \| good	38.989 \| good	0.161 \| good	1.323 \| good	0.31 \| good
2026-09-20T02:00:00.000Z	38 \| good	7.034 \| good	32.308 \| good	38.546 \| good	0.153 \| good	1.394 \| good	0.31 \| good
2026-09-20T03:00:00.000Z	49 \| good	9.412 \| good	41.871 \| good	29.118 \| good	0.591 \| good	4.795 \| good	0.142 \| good
2026-09-20T04:00:00.000Z	38 \| good	7.201 \| good	32.24 \| good	32.344 \| good	0.172 \| good	4.026 \| good	0.312 \| good
2026-09-20T05:00:00.000Z	33 \| good	6.481 \| good	28.953 \| good	30.497 \| good	0.179 \| good	4.169 \| good	0.303 \| good
2026-09-20T06:00:00.000Z	38 \| good	7.471 \| good	33.191 \| good	27.999 \| good	0.484 \| good	3.424 \| good	0.304 \| good
2026-09-20T07:00:00.000Z	44 \| good	7.543 \| good	33.222 \| good	27.852 \| good	0.167 \| good	2.513 \| good	0.305 \| good
2026-09-20T08:00:00.000Z	38 \| good	7.446 \| good	32.791 \| good	27.099 \| good	0.506 \| good	2.229 \| good	0.304 \| good
2026-09-20T09:00:00.000Z	38 \| good	6.526 \| good	28.994 \| good	27.099 \| good	0.525 \| good	2.24 \| good	0.304 \| good
2026-09-20T10:00:00.000Z	33 \| good	6.392 \| good	30.698 \| good	25.125 \| good	0.65 \| good	4.916 \| good	0.137 \| good
2026-09-20T11:00:00.000Z	33 \| good	6.146 \| good	29.697 \| good	25.922 \| good	0.559 \| good	3.867 \| good	0.136 \| good
2026-09-20T12:00:00.000Z	44 \| good	7.771 \| good	32.497 \| good	19.781 \| good	0.506 \| good	2.937 \| good	0.137 \| good
2026-09-20T13:00:00.000Z	33 \| good	6.225 \| good	31.398 \| good	25.91 \| good	0.167 \| good	0.92 \| good	0.299 \| good
2026-09-20T14:00:00.000Z	27 \| good	4.805 \| good	15.635 \| good	26.6 \| good	0.162 \| good	0.94 \| good	0.298 \| good
2026-09-20T15:00:00.000Z	24 \| good	4.121 \| good	24.856 \| good	26.001 \| good	0.159 \| good	1.114 \| good	0.301 \| good
2026-09-20T16:00:00.000Z	25 \| good	4.185 \| good	19.118 \| good	26.854 \| good	0.156 \| good	1.167 \| good	0.301 \| good
2026-09-20T17:00:00.000Z	27 \| good	4.628 \| good	12.187 \| good	25.294 \| good	0.162 \| good	1.31 \| good	0.301 \| good
2026-09-20T18:00:00.000Z	24 \| good	4.462 \| good	21.262 \| good	26.339 \| good	0.157 \| good	1.312 \| good	0.303 \| good
2026-09-20T19:00:00.000Z	38 \| good	7.185 \| good	28.283 \| good	28.042 \| good	0.55 \| good	1.617 \| good	0.302 \| good
2026-09-20T20:00:00.000Z	26 \| good	4.31 \| good	17.662 \| good	28.044 \| good	0.165 \| good	1.678 \| good	0.303 \| good
2026-09-20T21:00:00.000Z	25 \| good	3.833 \| good	15.958 \| good	27.288 \| good	0.507 \| good	1.646 \| good	0.302 \| good
2026-09-20T22:00:00.000Z	27 \| good	4.615 \| good	20.153 \| good	27.577 \| good	0.52 \| good	1.507 \| good	0.302 \| good
2026-09-20T23:00:00.000Z	25 \| good	3.368 \| good	19.364 \| good	26.919 \| good	0.547 \| good	1.501 \| good	0.303 \| good
2026-09-21T00:00:00.000Z	26 \| good	3.887 \| good	19.603 \| good	27.674 \| good	0.16 \| good	1.537 \| good	0.303 \| good
2026-09-21T01:00:00.000Z	27 \| good	4.721 \| good	23.019 \| good	26.727 \| good	0.486 \| good	1.623 \| good	0.304 \| good
2026-09-21T02:00:00.000Z	27 \| good	4.812 \| good	18.115 \| good	26.527 \| good	0.527 \| good	1.826 \| good	0.305 \| good
2026-09-21T03:00:00.000Z	49 \| good	8.532 \| good	37.513 \| good	25.578 \| good	0.648 \| good	5.738 \| good	0.153 \| good
2026-09-21T04:00:00.000Z	24 \| good	4.373 \| good	23.434 \| good	26.136 \| good	0.442 \| good	2.185 \| good	0.31 \| good
2026-09-21T05:00:00.000Z	23 \| good	4.244 \| good	20.504 \| good	25.037 \| good	0.156 \| good	2.562 \| good	0.303 \| good
2026-09-21T06:00:00.000Z	23 \| good	4.244 \| good	20.504 \| good	25.037 \| good	0.156 \| good	2.562 \| good	0.303 \| good
2026-09-21T07:00:00.000Z	27 \| good	4.541 \| good	19.911 \| good	25.807 \| good	0.519 \| good	5.98 \| good	0.154 \| good
2026-09-21T08:00:00.000Z	27 \| good	4.876 \| good	21.229 \| good	26.448 \| good	0.484 \| good	5.62 \| good	0.153 \| good
2026-09-21T09:00:00.000Z	27 \| good	4.679 \| good	20.323 \| good	26.407 \| good	0.465 \| good	5.322 \| good	0.151 \| good
2026-09-21T10:00:00.000Z	27 \| good	4.96 \| good	21.613 \| good	27.844 \| good	0.452 \| good	5.157 \| good	0.151 \| good
2026-09-21T11:00:00.000Z	27 \| good	5.168 \| good	22.619 \| good	28.228 \| good	0.433 \| good	4.986 \| good	0.15 \| good
2026-09-21T12:00:00.000Z	33 \| good	5.957 \| good	26.145 \| good	24.496 \| good	0.418 \| good	4.751 \| good	0.15 \| good
2026-09-21T13:00:00.000Z	38 \| good	6.59 \| good	29.317 \| good	25.912 \| good	0.412 \| good	4.56 \| good	0.149 \| good
2026-09-21T14:00:00.000Z	33 \| good	5.673 \| good	24.465 \| good	25.817 \| good	0.412 \| good	4.503 \| good	0.149 \| good
2026-09-21T15:00:00.000Z	33 \| good	6.025 \| good	26.469 \| good	28.868 \| good	0.437 \| good	4.087 \| good	0.148 \| good
2026-09-21T16:00:00.000Z	44 \| good	7.524 \| good	33.265 \| good	31.264 \| good	0.49 \| good	3.004 \| good	0.145 \| good
2026-09-21T17:00:00.000Z	44 \| good	8.265 \| good	36.508 \| good	31.338 \| good	0.542 \| good	2.446 \| good	0.144 \| good
2026-09-21T18:00:00.000Z	33 \| good	6.154 \| good	27.514 \| good	34.363 \| good	0.597 \| good	2.194 \| good	0.143 \| good
2026-09-21T19:00:00.000Z	52 \| moderate	9.97 \| good	44.243 \| good	36.759 \| good	0.641 \| good	1.831 \| good	0.141 \| good
2026-09-21T20:00:00.000Z	44 \| good	8.449 \| good	37.031 \| good	39.806 \| good	0.665 \| good	1.515 \| good	0.14 \| good
2026-09-21T21:00:00.000Z	44 \| good	7.656 \| good	33.705 \| good	43.224 \| good	0.661 \| good	1.379 \| good	0.138 \| good
2026-09-21T22:00:00.000Z	44 \| good	7.786 \| good	34.153 \| good	43.557 \| good	0.657 \| good	1.38 \| good	0.136 \| good
2026-09-21T23:00:00.000Z	38 \| good	7.123 \| good	31.299 \| good	40.572 \| good	0.64 \| good	1.55 \| good	0.134 \| good
2026-09-22T00:00:00.000Z	38 \| good	6.841 \| good	30.229 \| good	37.893 \| good	0.615 \| good	1.893 \| good	0.132 \| good
2026-09-22T01:00:00.000Z	38 \| good	7.165 \| good	31.847 \| good	34.324 \| good	0.592 \| good	2.672 \| good	0.132 \| good
2026-09-22T02:00:00.000Z	49 \| good	8.665 \| good	37.794 \| good	28.757 \| good	0.574 \| good	3.827 \| good	0.133 \| good
2026-09-22T03:00:00.000Z	44 \| good	7.774 \| good	34.095 \| good	25.373 \| good	0.569 \| good	4.79 \| good	0.134 \| good
2026-09-22T04:00:00.000Z	33 \| good	6.295 \| good	28.14 \| good	24.252 \| good	0.569 \| good	5.278 \| good	0.135 \| good
2026-09-22T05:00:00.000Z	44 \| good	7.844 \| good	34.303 \| good	24.078 \| good	0.56 \| good	5.379 \| good	0.134 \| good
2026-09-22T06:00:00.000Z	38 \| good	7.25 \| good	31.928 \| good	23.297 \| good	0.569 \| good	5.275 \| good	0.133 \| good
2026-09-22T07:00:00.000Z	44 \| good	7.57 \| good	33.248 \| good	24.891 \| good	0.56 \| good	5.329 \| good	0.133 \| good
2026-09-22T08:00:00.000Z	44 \| good	7.684 \| good	33.727 \| good	26.446 \| good	0.541 \| good	5.615 \| good	0.134 \| good
2026-09-22T09:00:00.000Z	33 \| good	5.905 \| good	26.022 \| good	27.732 \| good	0.516 \| good	6.033 \| good	0.135 \| good
2026-09-22T10:00:00.000Z	33 \| good	5.821 \| good	25.664 \| good	27.457 \| good	0.509 \| good	5.92 \| good	0.134 \| good
2026-09-22T11:00:00.000Z	27 \| good	4.738 \| good	20.269 \| good	27.085 \| good	0.483 \| good	6.05 \| good	0.133 \| good
2026-09-22T12:00:00.000Z	27 \| good	4.995 \| good	21.668 \| good	24.002 \| good	0.461 \| good	6.147 \| good	0.133 \| good
2026-09-22T13:00:00.000Z	38 \| good	7.063 \| good	31.271 \| good	22.601 \| good	0.436 \| good	6.555 \| good	0.134 \| good
2026-09-22T14:00:00.000Z	33 \| good	6.353 \| good	28.123 \| good	20.761 \| good	0.421 \| good	7.424 \| good	0.138 \| good
2026-09-22T15:00:00.000Z	38 \| good	6.569 \| good	29.127 \| good	22.355 \| good	0.445 \| good	7.782 \| good	0.144 \| good
2026-09-22T16:00:00.000Z	49 \| good	8.687 \| good	38.084 \| good	23.801 \| good	0.545 \| good	5.01 \| good	0.131 \| good
2026-09-22T17:00:00.000Z	49 \| good	9.482 \| good	42.622 \| good	26.827 \| good	0.633 \| good	3.573 \| good	0.128 \| good
2026-09-22T18:00:00.000Z	44 \| good	7.618 \| good	33.337 \| good	31.572 \| good	0.704 \| good	2.946 \| good	0.129 \| good
2026-09-22T19:00:00.000Z	56 \| moderate	11.635 \| good	51.344 \| good	37.702 \| good	0.801 \| good	2.481 \| good	0.13 \| good
2026-09-22T20:00:00.000Z	49 \| good	9.044 \| good	39.82 \| good	40.312 \| good	0.844 \| good	2.122 \| good	0.132 \| good
2026-09-22T21:00:00.000Z	49 \| good	8.653 \| good	38.44 \| good	42.977 \| good	0.86 \| good	1.881 \| good	0.132 \| good
2026-09-22T22:00:00.000Z	49 \| good	8.597 \| good	37.702 \| good	43.611 \| good	0.87 \| good	1.829 \| good	0.132 \| good
2026-09-22T23:00:00.000Z	44 \| good	8.082 \| good	35.598 \| good	42.049 \| good	0.864 \| good	1.961 \| good	0.132 \| good
2026-09-23T00:00:00.000Z	44 \| good	8.257 \| good	36.56 \| good	40.676 \| good	0.818 \| good	2.346 \| good	0.13 \| good
2026-09-23T01:00:00.000Z	44 \| good	7.691 \| good	33.684 \| good	35.903 \| good	0.733 \| good	3.12 \| good	0.129 \| good
2026-09-23T02:00:00.000Z	49 \| good	9.177 \| good	41.165 \| good	29.187 \| good	0.66 \| good	4.533 \| good	0.129 \| good
2026-09-23T03:00:00.000Z	49 \| good	8.938 \| good	39.342 \| good	28.551 \| good	0.628 \| good	7.063 \| good	0.137 \| good
2026-09-23T04:00:00.000Z	44 \| good	8.281 \| good	36.385 \| good	27.311 \| good	0.608 \| good	9.515 \| good	0.146 \| good
2026-09-23T05:00:00.000Z	49 \| good	8.692 \| good	38.279 \| good	24.899 \| good	0.583 \| good	11.239 \| good	0.151 \| good
2026-09-23T06:00:00.000Z	44 \| good	7.727 \| good	33.888 \| good	20.988 \| good	0.56 \| good	13.337 \| good	0.161 \| good

Clayton

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Clayton, California air quality map: Track AQI near you

0.29ppm

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 2026-09-21.

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 2026-09-21.

What is the current air quality in Clayton, California?

The current air quality in Clayton, California is 23, 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 O3.

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 4.244 μg/m³.

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

The current PM₁₀ concentration at Clayton, California is 20.504 μg/m³.

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

The current carbon monoxide (CO) concentration at Clayton, California is 0.303 ppm.

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

The current sulfur dioxide (SO₂) concentration at Clayton, California is 0.156 ppb.

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

The current ozone (O₃) concentration at Clayton, California is 25.037 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Clayton, California is 2.562 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-09-19T07:00:00.000Z	38 \| good	7.123 \| good	31.998 \| good	25.389 \| good	0.165 \| good	2.456 \| good	0.305 \| good
2026-09-19T08:00:00.000Z	38 \| good	6.658 \| good	28.974 \| good	23.739 \| good	0.156 \| good	2.27 \| good	0.304 \| good
2026-09-19T09:00:00.000Z	38 \| good	6.706 \| good	31.285 \| good	23.739 \| good	0.156 \| good	2.252 \| good	0.304 \| good
2026-09-19T10:00:00.000Z	33 \| good	5.806 \| good	27.323 \| good	22.427 \| good	0.475 \| good	3.442 \| good	0.125 \| good
2026-09-19T11:00:00.000Z	38 \| good	7.135 \| good	29.644 \| good	23.623 \| good	0.457 \| good	3.288 \| good	0.125 \| good
2026-09-19T12:00:00.000Z	27 \| good	4.569 \| good	21.124 \| good	21.703 \| good	0.443 \| good	4.584 \| good	0.164 \| good
2026-09-19T13:00:00.000Z	44 \| good	7.688 \| good	34.103 \| good	24.652 \| good	0.137 \| good	1.388 \| good	0.292 \| good
2026-09-19T14:00:00.000Z	44 \| good	7.566 \| good	33.823 \| good	25.921 \| good	0.443 \| good	1.593 \| good	0.298 \| good
2026-09-19T15:00:00.000Z	38 \| good	7.362 \| good	32.739 \| good	27.769 \| good	0.157 \| good	1.596 \| good	0.301 \| good
2026-09-19T16:00:00.000Z	44 \| good	7.542 \| good	32.742 \| good	27.054 \| good	0.16 \| good	1.777 \| good	0.302 \| good
2026-09-19T17:00:00.000Z	38 \| good	6.864 \| good	30.239 \| good	29.609 \| good	0.159 \| good	1.439 \| good	0.305 \| good
2026-09-19T18:00:00.000Z	38 \| good	7.271 \| good	31.965 \| good	28.803 \| good	0.17 \| good	1.596 \| good	0.304 \| good
2026-09-19T19:00:00.000Z	44 \| good	8.36 \| good	36.252 \| good	28.946 \| good	0.168 \| good	1.912 \| good	0.305 \| good
2026-09-19T20:00:00.000Z	33 \| good	6.268 \| good	27.277 \| good	31.741 \| good	0.558 \| good	2.073 \| good	0.305 \| good
2026-09-19T21:00:00.000Z	54 \| moderate	10.561 \| good	45.56 \| good	36.094 \| good	0.181 \| good	2.165 \| good	0.311 \| good
2026-09-19T22:00:00.000Z	49 \| good	9.188 \| good	40.544 \| good	37.987 \| good	0.501 \| good	3.729 \| good	0.392 \| good
2026-09-19T23:00:00.000Z	49 \| good	9.336 \| good	41.685 \| good	38.942 \| good	0.329 \| good	3.248 \| good	0.394 \| good
2026-09-20T00:00:00.000Z	44 \| good	8.082 \| good	34.737 \| good	40.644 \| good	0.243 \| good	2.35 \| good	0.311 \| good
2026-09-20T01:00:00.000Z	38 \| good	7.092 \| good	30.927 \| good	38.989 \| good	0.161 \| good	1.323 \| good	0.31 \| good
2026-09-20T02:00:00.000Z	38 \| good	7.034 \| good	32.308 \| good	38.546 \| good	0.153 \| good	1.394 \| good	0.31 \| good
2026-09-20T03:00:00.000Z	49 \| good	9.412 \| good	41.871 \| good	29.118 \| good	0.591 \| good	4.795 \| good	0.142 \| good
2026-09-20T04:00:00.000Z	38 \| good	7.201 \| good	32.24 \| good	32.344 \| good	0.172 \| good	4.026 \| good	0.312 \| good
2026-09-20T05:00:00.000Z	33 \| good	6.481 \| good	28.953 \| good	30.497 \| good	0.179 \| good	4.169 \| good	0.303 \| good
2026-09-20T06:00:00.000Z	38 \| good	7.471 \| good	33.191 \| good	27.999 \| good	0.484 \| good	3.424 \| good	0.304 \| good
2026-09-20T07:00:00.000Z	44 \| good	7.543 \| good	33.222 \| good	27.852 \| good	0.167 \| good	2.513 \| good	0.305 \| good
2026-09-20T08:00:00.000Z	38 \| good	7.446 \| good	32.791 \| good	27.099 \| good	0.506 \| good	2.229 \| good	0.304 \| good
2026-09-20T09:00:00.000Z	38 \| good	6.526 \| good	28.994 \| good	27.099 \| good	0.525 \| good	2.24 \| good	0.304 \| good
2026-09-20T10:00:00.000Z	33 \| good	6.392 \| good	30.698 \| good	25.125 \| good	0.65 \| good	4.916 \| good	0.137 \| good
2026-09-20T11:00:00.000Z	33 \| good	6.146 \| good	29.697 \| good	25.922 \| good	0.559 \| good	3.867 \| good	0.136 \| good
2026-09-20T12:00:00.000Z	44 \| good	7.771 \| good	32.497 \| good	19.781 \| good	0.506 \| good	2.937 \| good	0.137 \| good
2026-09-20T13:00:00.000Z	33 \| good	6.225 \| good	31.398 \| good	25.91 \| good	0.167 \| good	0.92 \| good	0.299 \| good
2026-09-20T14:00:00.000Z	27 \| good	4.805 \| good	15.635 \| good	26.6 \| good	0.162 \| good	0.94 \| good	0.298 \| good
2026-09-20T15:00:00.000Z	24 \| good	4.121 \| good	24.856 \| good	26.001 \| good	0.159 \| good	1.114 \| good	0.301 \| good
2026-09-20T16:00:00.000Z	25 \| good	4.185 \| good	19.118 \| good	26.854 \| good	0.156 \| good	1.167 \| good	0.301 \| good
2026-09-20T17:00:00.000Z	27 \| good	4.628 \| good	12.187 \| good	25.294 \| good	0.162 \| good	1.31 \| good	0.301 \| good
2026-09-20T18:00:00.000Z	24 \| good	4.462 \| good	21.262 \| good	26.339 \| good	0.157 \| good	1.312 \| good	0.303 \| good
2026-09-20T19:00:00.000Z	38 \| good	7.185 \| good	28.283 \| good	28.042 \| good	0.55 \| good	1.617 \| good	0.302 \| good
2026-09-20T20:00:00.000Z	26 \| good	4.31 \| good	17.662 \| good	28.044 \| good	0.165 \| good	1.678 \| good	0.303 \| good
2026-09-20T21:00:00.000Z	25 \| good	3.833 \| good	15.958 \| good	27.288 \| good	0.507 \| good	1.646 \| good	0.302 \| good
2026-09-20T22:00:00.000Z	27 \| good	4.615 \| good	20.153 \| good	27.577 \| good	0.52 \| good	1.507 \| good	0.302 \| good
2026-09-20T23:00:00.000Z	25 \| good	3.368 \| good	19.364 \| good	26.919 \| good	0.547 \| good	1.501 \| good	0.303 \| good
2026-09-21T00:00:00.000Z	26 \| good	3.887 \| good	19.603 \| good	27.674 \| good	0.16 \| good	1.537 \| good	0.303 \| good
2026-09-21T01:00:00.000Z	27 \| good	4.721 \| good	23.019 \| good	26.727 \| good	0.486 \| good	1.623 \| good	0.304 \| good
2026-09-21T02:00:00.000Z	27 \| good	4.812 \| good	18.115 \| good	26.527 \| good	0.527 \| good	1.826 \| good	0.305 \| good
2026-09-21T03:00:00.000Z	49 \| good	8.532 \| good	37.513 \| good	25.578 \| good	0.648 \| good	5.738 \| good	0.153 \| good
2026-09-21T04:00:00.000Z	24 \| good	4.373 \| good	23.434 \| good	26.136 \| good	0.442 \| good	2.185 \| good	0.31 \| good
2026-09-21T05:00:00.000Z	23 \| good	4.244 \| good	20.504 \| good	25.037 \| good	0.156 \| good	2.562 \| good	0.303 \| good
2026-09-21T06:00:00.000Z	23 \| good	4.244 \| good	20.504 \| good	25.037 \| good	0.156 \| good	2.562 \| good	0.303 \| good
2026-09-21T07:00:00.000Z	27 \| good	4.541 \| good	19.911 \| good	25.807 \| good	0.519 \| good	5.98 \| good	0.154 \| good
2026-09-21T08:00:00.000Z	27 \| good	4.876 \| good	21.229 \| good	26.448 \| good	0.484 \| good	5.62 \| good	0.153 \| good
2026-09-21T09:00:00.000Z	27 \| good	4.679 \| good	20.323 \| good	26.407 \| good	0.465 \| good	5.322 \| good	0.151 \| good
2026-09-21T10:00:00.000Z	27 \| good	4.96 \| good	21.613 \| good	27.844 \| good	0.452 \| good	5.157 \| good	0.151 \| good
2026-09-21T11:00:00.000Z	27 \| good	5.168 \| good	22.619 \| good	28.228 \| good	0.433 \| good	4.986 \| good	0.15 \| good
2026-09-21T12:00:00.000Z	33 \| good	5.957 \| good	26.145 \| good	24.496 \| good	0.418 \| good	4.751 \| good	0.15 \| good
2026-09-21T13:00:00.000Z	38 \| good	6.59 \| good	29.317 \| good	25.912 \| good	0.412 \| good	4.56 \| good	0.149 \| good
2026-09-21T14:00:00.000Z	33 \| good	5.673 \| good	24.465 \| good	25.817 \| good	0.412 \| good	4.503 \| good	0.149 \| good
2026-09-21T15:00:00.000Z	33 \| good	6.025 \| good	26.469 \| good	28.868 \| good	0.437 \| good	4.087 \| good	0.148 \| good
2026-09-21T16:00:00.000Z	44 \| good	7.524 \| good	33.265 \| good	31.264 \| good	0.49 \| good	3.004 \| good	0.145 \| good
2026-09-21T17:00:00.000Z	44 \| good	8.265 \| good	36.508 \| good	31.338 \| good	0.542 \| good	2.446 \| good	0.144 \| good
2026-09-21T18:00:00.000Z	33 \| good	6.154 \| good	27.514 \| good	34.363 \| good	0.597 \| good	2.194 \| good	0.143 \| good
2026-09-21T19:00:00.000Z	52 \| moderate	9.97 \| good	44.243 \| good	36.759 \| good	0.641 \| good	1.831 \| good	0.141 \| good
2026-09-21T20:00:00.000Z	44 \| good	8.449 \| good	37.031 \| good	39.806 \| good	0.665 \| good	1.515 \| good	0.14 \| good
2026-09-21T21:00:00.000Z	44 \| good	7.656 \| good	33.705 \| good	43.224 \| good	0.661 \| good	1.379 \| good	0.138 \| good
2026-09-21T22:00:00.000Z	44 \| good	7.786 \| good	34.153 \| good	43.557 \| good	0.657 \| good	1.38 \| good	0.136 \| good
2026-09-21T23:00:00.000Z	38 \| good	7.123 \| good	31.299 \| good	40.572 \| good	0.64 \| good	1.55 \| good	0.134 \| good
2026-09-22T00:00:00.000Z	38 \| good	6.841 \| good	30.229 \| good	37.893 \| good	0.615 \| good	1.893 \| good	0.132 \| good
2026-09-22T01:00:00.000Z	38 \| good	7.165 \| good	31.847 \| good	34.324 \| good	0.592 \| good	2.672 \| good	0.132 \| good
2026-09-22T02:00:00.000Z	49 \| good	8.665 \| good	37.794 \| good	28.757 \| good	0.574 \| good	3.827 \| good	0.133 \| good
2026-09-22T03:00:00.000Z	44 \| good	7.774 \| good	34.095 \| good	25.373 \| good	0.569 \| good	4.79 \| good	0.134 \| good
2026-09-22T04:00:00.000Z	33 \| good	6.295 \| good	28.14 \| good	24.252 \| good	0.569 \| good	5.278 \| good	0.135 \| good
2026-09-22T05:00:00.000Z	44 \| good	7.844 \| good	34.303 \| good	24.078 \| good	0.56 \| good	5.379 \| good	0.134 \| good
2026-09-22T06:00:00.000Z	38 \| good	7.25 \| good	31.928 \| good	23.297 \| good	0.569 \| good	5.275 \| good	0.133 \| good
2026-09-22T07:00:00.000Z	44 \| good	7.57 \| good	33.248 \| good	24.891 \| good	0.56 \| good	5.329 \| good	0.133 \| good
2026-09-22T08:00:00.000Z	44 \| good	7.684 \| good	33.727 \| good	26.446 \| good	0.541 \| good	5.615 \| good	0.134 \| good
2026-09-22T09:00:00.000Z	33 \| good	5.905 \| good	26.022 \| good	27.732 \| good	0.516 \| good	6.033 \| good	0.135 \| good
2026-09-22T10:00:00.000Z	33 \| good	5.821 \| good	25.664 \| good	27.457 \| good	0.509 \| good	5.92 \| good	0.134 \| good
2026-09-22T11:00:00.000Z	27 \| good	4.738 \| good	20.269 \| good	27.085 \| good	0.483 \| good	6.05 \| good	0.133 \| good
2026-09-22T12:00:00.000Z	27 \| good	4.995 \| good	21.668 \| good	24.002 \| good	0.461 \| good	6.147 \| good	0.133 \| good
2026-09-22T13:00:00.000Z	38 \| good	7.063 \| good	31.271 \| good	22.601 \| good	0.436 \| good	6.555 \| good	0.134 \| good
2026-09-22T14:00:00.000Z	33 \| good	6.353 \| good	28.123 \| good	20.761 \| good	0.421 \| good	7.424 \| good	0.138 \| good
2026-09-22T15:00:00.000Z	38 \| good	6.569 \| good	29.127 \| good	22.355 \| good	0.445 \| good	7.782 \| good	0.144 \| good
2026-09-22T16:00:00.000Z	49 \| good	8.687 \| good	38.084 \| good	23.801 \| good	0.545 \| good	5.01 \| good	0.131 \| good
2026-09-22T17:00:00.000Z	49 \| good	9.482 \| good	42.622 \| good	26.827 \| good	0.633 \| good	3.573 \| good	0.128 \| good
2026-09-22T18:00:00.000Z	44 \| good	7.618 \| good	33.337 \| good	31.572 \| good	0.704 \| good	2.946 \| good	0.129 \| good
2026-09-22T19:00:00.000Z	56 \| moderate	11.635 \| good	51.344 \| good	37.702 \| good	0.801 \| good	2.481 \| good	0.13 \| good
2026-09-22T20:00:00.000Z	49 \| good	9.044 \| good	39.82 \| good	40.312 \| good	0.844 \| good	2.122 \| good	0.132 \| good
2026-09-22T21:00:00.000Z	49 \| good	8.653 \| good	38.44 \| good	42.977 \| good	0.86 \| good	1.881 \| good	0.132 \| good
2026-09-22T22:00:00.000Z	49 \| good	8.597 \| good	37.702 \| good	43.611 \| good	0.87 \| good	1.829 \| good	0.132 \| good
2026-09-22T23:00:00.000Z	44 \| good	8.082 \| good	35.598 \| good	42.049 \| good	0.864 \| good	1.961 \| good	0.132 \| good
2026-09-23T00:00:00.000Z	44 \| good	8.257 \| good	36.56 \| good	40.676 \| good	0.818 \| good	2.346 \| good	0.13 \| good
2026-09-23T01:00:00.000Z	44 \| good	7.691 \| good	33.684 \| good	35.903 \| good	0.733 \| good	3.12 \| good	0.129 \| good
2026-09-23T02:00:00.000Z	49 \| good	9.177 \| good	41.165 \| good	29.187 \| good	0.66 \| good	4.533 \| good	0.129 \| good
2026-09-23T03:00:00.000Z	49 \| good	8.938 \| good	39.342 \| good	28.551 \| good	0.628 \| good	7.063 \| good	0.137 \| good
2026-09-23T04:00:00.000Z	44 \| good	8.281 \| good	36.385 \| good	27.311 \| good	0.608 \| good	9.515 \| good	0.146 \| good
2026-09-23T05:00:00.000Z	49 \| good	8.692 \| good	38.279 \| good	24.899 \| good	0.583 \| good	11.239 \| good	0.151 \| good
2026-09-23T06:00:00.000Z	44 \| good	7.727 \| good	33.888 \| good	20.988 \| good	0.56 \| good	13.337 \| good	0.161 \| 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?

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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?