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

The current PM10 concentration at Clayton, California is 36.416 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Clayton, California is 0.504 ppb.

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

The current ozone (O3) concentration at Clayton, California is 6.618 ppm.

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

The current nitrogen dioxide (NO2) concentration at Clayton, California is 12.97 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 8.354 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)

8.35 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

36.42 μg/m³

155

255

425

605+

Ozone (O₃)

6.62 ppb

201

201+

Sulfur Dioxide (SO₂)

0.50 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

12.97 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.31 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
2026-01-21T16:00:00.000Z	38 \| good	7.45 \| good	32.646 \| good	4.247 \| good	0.43 \| good	10.583 \| good	0.654 \| good
2026-01-21T17:00:00.000Z	38 \| good	7.398 \| good	32.224 \| good	4.427 \| good	0.564 \| good	10.011 \| good	0.672 \| good
2026-01-21T18:00:00.000Z	44 \| good	8.318 \| good	34.742 \| good	3.612 \| good	0.52 \| good	8.283 \| good	0.593 \| good
2026-01-21T19:00:00.000Z	38 \| good	7.445 \| good	32.45 \| good	5.586 \| good	0.527 \| good	7.709 \| good	0.575 \| good
2026-01-21T20:00:00.000Z	33 \| good	6.434 \| good	27.356 \| good	6.611 \| good	0.58 \| good	7.58 \| good	0.575 \| good
2026-01-21T21:00:00.000Z	38 \| good	6.527 \| good	28.915 \| good	7.715 \| good	0.512 \| good	7.169 \| good	0.564 \| good
2026-01-21T22:00:00.000Z	33 \| good	6.207 \| good	27.486 \| good	8.523 \| good	0.654 \| good	7.918 \| good	0.554 \| good
2026-01-21T23:00:00.000Z	44 \| good	7.6 \| good	33.075 \| good	7.372 \| good	0.898 \| good	8.41 \| good	0.554 \| good
2026-01-22T00:00:00.000Z	49 \| good	8.554 \| good	37.251 \| good	6.51 \| good	1.174 \| good	8.648 \| good	0.557 \| good
2026-01-22T01:00:00.000Z	44 \| good	7.611 \| good	32.967 \| good	6.348 \| good	1.105 \| good	10.31 \| good	0.55 \| good
2026-01-22T02:00:00.000Z	49 \| good	8.645 \| good	38.535 \| good	4.341 \| good	1.032 \| good	12.09 \| good	0.623 \| good
2026-01-22T03:00:00.000Z	49 \| good	8.985 \| good	39.918 \| good	3.911 \| good	0.815 \| good	12.957 \| good	0.643 \| good
2026-01-22T04:00:00.000Z	52 \| moderate	10.49 \| good	45.826 \| good	3.394 \| good	0.691 \| good	12.815 \| good	0.574 \| good
2026-01-22T05:00:00.000Z	52 \| moderate	9.91 \| good	42.387 \| good	2.949 \| good	0.698 \| good	13.17 \| good	0.64 \| good
2026-01-22T06:00:00.000Z	52 \| moderate	10.314 \| good	46.299 \| good	2.124 \| good	0.705 \| good	13.358 \| good	0.646 \| good
2026-01-22T07:00:00.000Z	56 \| moderate	11.612 \| good	49.836 \| good	2.269 \| good	0.698 \| good	12.867 \| good	0.715 \| good
2026-01-22T08:00:00.000Z	54 \| moderate	11.063 \| good	48.952 \| good	4.573 \| good	0.669 \| good	11.706 \| good	0.714 \| good
2026-01-22T09:00:00.000Z	56 \| moderate	12.228 \| fine	53.27 \| good	3.198 \| good	0.644 \| good	11.83 \| good	0.657 \| good
2026-01-22T10:00:00.000Z	56 \| moderate	11.593 \| good	51.832 \| good	4.394 \| good	0.659 \| good	11.452 \| good	0.664 \| good
2026-01-22T11:00:00.000Z	56 \| moderate	11.825 \| good	51.198 \| good	3.143 \| good	0.662 \| good	11.416 \| good	0.664 \| good
2026-01-22T12:00:00.000Z	52 \| moderate	10.06 \| good	46.36 \| good	3.642 \| good	0.659 \| good	11.673 \| good	0.665 \| good
2026-01-22T13:00:00.000Z	52 \| moderate	10.274 \| good	45.211 \| good	2.844 \| good	0.708 \| good	10.725 \| good	0.715 \| good
2026-01-22T14:00:00.000Z	54 \| moderate	10.557 \| good	48.021 \| good	4.01 \| good	0.693 \| good	10.38 \| good	0.657 \| good
2026-01-22T15:00:00.000Z	52 \| moderate	9.909 \| good	43.994 \| good	3.209 \| good	0.694 \| good	10.06 \| good	0.685 \| good
2026-01-22T16:00:00.000Z	44 \| good	8.274 \| good	35.468 \| good	3.114 \| good	0.627 \| good	11.886 \| good	0.679 \| good
2026-01-22T17:00:00.000Z	44 \| good	7.554 \| good	32.43 \| good	3.654 \| good	0.636 \| good	13.061 \| good	0.864 \| good
2026-01-22T18:00:00.000Z	49 \| good	8.561 \| good	37.017 \| good	2.063 \| good	0.724 \| good	12.996 \| good	0.931 \| good
2026-01-22T19:00:00.000Z	49 \| good	8.646 \| good	37.25 \| good	4.118 \| good	0.658 \| good	11.592 \| good	0.765 \| good
2026-01-22T20:00:00.000Z	49 \| good	8.525 \| good	37.283 \| good	5.883 \| good	0.72 \| good	11.519 \| good	0.652 \| good
2026-01-22T21:00:00.000Z	44 \| good	8.115 \| good	35.606 \| good	12.384 \| good	0.735 \| good	6.478 \| good	0.363 \| good
2026-01-22T22:00:00.000Z	44 \| good	7.67 \| good	33.145 \| good	15.349 \| good	0.62 \| good	5.426 \| good	0.277 \| good
2026-01-22T23:00:00.000Z	44 \| good	7.703 \| good	34.096 \| good	17.493 \| good	1.116 \| good	8.486 \| good	0.352 \| good
2026-01-23T00:00:00.000Z	38 \| good	7.32 \| good	32.878 \| good	19.154 \| good	0.838 \| good	9.419 \| good	0.342 \| good
2026-01-23T01:00:00.000Z	38 \| good	7.335 \| good	31.488 \| good	22.761 \| good	0.786 \| good	8.628 \| good	0.328 \| good
2026-01-23T02:00:00.000Z	49 \| good	8.774 \| good	37.019 \| good	20.739 \| good	2.223 \| good	12.958 \| good	0.404 \| good
2026-01-23T03:00:00.000Z	52 \| moderate	9.704 \| good	43.613 \| good	16.444 \| good	1.075 \| good	17.431 \| good	0.513 \| good
2026-01-23T04:00:00.000Z	56 \| moderate	12.192 \| fine	54.093 \| good	15.393 \| good	0.724 \| good	15.306 \| good	0.41 \| good
2026-01-23T05:00:00.000Z	54 \| moderate	10.712 \| good	47.63 \| good	13.072 \| good	0.612 \| good	13.536 \| good	0.405 \| good
2026-01-23T06:00:00.000Z	52 \| moderate	10.052 \| good	44.158 \| good	11.547 \| good	0.513 \| good	11.333 \| good	0.399 \| good
2026-01-23T07:00:00.000Z	54 \| moderate	11.005 \| good	48.288 \| good	6.038 \| good	0.431 \| good	15.083 \| good	0.475 \| good
2026-01-23T08:00:00.000Z	54 \| moderate	11.004 \| good	49.527 \| good	5.986 \| good	0.45 \| good	12.543 \| good	0.403 \| good
2026-01-23T09:00:00.000Z	52 \| moderate	10.257 \| good	45.979 \| good	4.052 \| good	0.444 \| good	12.787 \| good	0.417 \| good
2026-01-23T10:00:00.000Z	49 \| good	8.817 \| good	41.594 \| good	9.727 \| good	0.46 \| good	12.621 \| good	0.51 \| good
2026-01-23T11:00:00.000Z	49 \| good	8.994 \| good	39.593 \| good	7.883 \| good	0.455 \| good	12.512 \| good	0.51 \| good
2026-01-23T12:00:00.000Z	44 \| good	8.183 \| good	35.054 \| good	6.601 \| good	0.323 \| good	12.293 \| good	0.437 \| good
2026-01-23T13:00:00.000Z	49 \| good	8.744 \| good	37.411 \| good	7.273 \| good	0.73 \| good	10.77 \| good	0.331 \| good
2026-01-23T14:00:00.000Z	44 \| good	8.161 \| good	35.188 \| good	6.096 \| good	0.652 \| good	12.452 \| good	0.321 \| good
2026-01-23T15:00:00.000Z	44 \| good	8.354 \| good	36.416 \| good	6.618 \| good	0.504 \| good	12.97 \| good	0.308 \| good
2026-01-23T16:00:00.000Z	64 \| moderate	15.665 \| fine	69.332 \| fine	3.085 \| good	2.587 \| good	20.532 \| good	0.465 \| good
2026-01-23T17:00:00.000Z	64 \| moderate	15.744 \| fine	69.704 \| fine	6.407 \| good	2.748 \| good	19.077 \| good	0.43 \| good
2026-01-23T18:00:00.000Z	67 \| moderate	17.816 \| fine	79.437 \| fine	7.857 \| good	2.91 \| good	17.622 \| good	0.395 \| good
2026-01-23T19:00:00.000Z	67 \| moderate	17.799 \| fine	79.212 \| fine	14.152 \| good	2.993 \| good	15.082 \| good	0.35 \| good
2026-01-23T20:00:00.000Z	66 \| moderate	16.817 \| fine	74.923 \| fine	21.31 \| good	3.076 \| good	12.541 \| good	0.304 \| good
2026-01-23T21:00:00.000Z	66 \| moderate	16.918 \| fine	75.266 \| fine	28.34 \| good	3.159 \| good	10 \| good	0.259 \| good
2026-01-23T22:00:00.000Z	66 \| moderate	17.069 \| fine	75.407 \| fine	33.266 \| good	3.155 \| good	10.282 \| good	0.256 \| good
2026-01-23T23:00:00.000Z	66 \| moderate	16.632 \| fine	74.086 \| fine	35.087 \| good	3.151 \| good	10.563 \| good	0.253 \| good
2026-01-24T00:00:00.000Z	75 \| moderate	22.09 \| fine	97.503 \| fine	30.547 \| good	3.148 \| good	10.844 \| good	0.25 \| good
2026-01-24T01:00:00.000Z	60 \| moderate	13.602 \| fine	60.85 \| fine	21.206 \| good	3.157 \| good	17.466 \| good	0.318 \| good
2026-01-24T02:00:00.000Z	64 \| moderate	16.253 \| fine	72.136 \| fine	18.664 \| good	3.167 \| good	24.087 \| good	0.385 \| good
2026-01-24T03:00:00.000Z	67 \| moderate	17.886 \| fine	78.727 \| fine	17.739 \| good	3.177 \| good	30.709 \| good	0.452 \| good
2026-01-24T04:00:00.000Z	73 \| moderate	20.916 \| fine	91.922 \| fine	16.698 \| good	3.215 \| good	30.12 \| good	0.488 \| good
2026-01-24T05:00:00.000Z	79 \| moderate	23.566 \| fine	103.263 \| fine	14.068 \| good	3.254 \| good	29.531 \| good	0.524 \| good
2026-01-24T06:00:00.000Z	79 \| moderate	23.884 \| fine	104.719 \| fine	13.747 \| good	3.293 \| good	28.942 \| good	0.56 \| good
2026-01-24T07:00:00.000Z	75 \| moderate	21.985 \| fine	96.939 \| fine	11.559 \| good	3.022 \| good	28.334 \| good	0.535 \| good
2026-01-24T08:00:00.000Z	71 \| moderate	19.719 \| fine	86.915 \| fine	11.483 \| good	2.752 \| good	27.725 \| good	0.509 \| good
2026-01-24T09:00:00.000Z	67 \| moderate	18.429 \| fine	81.732 \| fine	10.431 \| good	2.481 \| good	27.117 \| good	0.483 \| good
2026-01-24T10:00:00.000Z	56 \| moderate	11.616 \| good	51.908 \| good	10.311 \| good	2.117 \| good	25.18 \| good	0.454 \| good
2026-01-24T11:00:00.000Z	33 \| good	5.823 \| good	25.549 \| good	11.115 \| good	1.754 \| good	23.242 \| good	0.425 \| good
2026-01-24T12:00:00.000Z	27 \| good	4.854 \| good	21.494 \| good	10.632 \| good	1.39 \| good	21.304 \| good	0.397 \| good
2026-01-24T13:00:00.000Z	17 \| good	3.335 \| good	14.119 \| good	11.529 \| good	1.398 \| good	18.334 \| good	0.348 \| good
2026-01-24T14:00:00.000Z	16 \| good	2.693 \| good	11.327 \| good	11.436 \| good	1.405 \| good	15.364 \| good	0.3 \| good
2026-01-24T15:00:00.000Z	16 \| good	3.001 \| good	12.542 \| good	11.746 \| good	1.413 \| good	12.394 \| good	0.252 \| good
2026-01-24T16:00:00.000Z	16 \| good	2.835 \| good	12.079 \| good	12.672 \| good	1.196 \| good	10.367 \| good	0.227 \| good
2026-01-24T17:00:00.000Z	19 \| good	3.342 \| good	14.048 \| good	19.5 \| good	0.979 \| good	8.339 \| good	0.203 \| good
2026-01-24T18:00:00.000Z	23 \| good	3.733 \| good	16.416 \| good	25.15 \| good	0.761 \| good	6.312 \| good	0.178 \| good
2026-01-24T19:00:00.000Z	28 \| good	4.602 \| good	19.743 \| good	30.256 \| good	0.692 \| good	4.894 \| good	0.163 \| good
2026-01-24T20:00:00.000Z	29 \| good	2.299 \| good	9.51 \| good	31.19 \| good	0.623 \| good	3.476 \| good	0.147 \| good
2026-01-24T21:00:00.000Z	29 \| good	1.798 \| good	7.137 \| good	30.602 \| good	0.554 \| good	2.059 \| good	0.132 \| good
2026-01-24T22:00:00.000Z	30 \| good	1.68 \| good	6.755 \| good	31.642 \| good	0.557 \| good	2.402 \| good	0.135 \| good
2026-01-24T23:00:00.000Z	30 \| good	1.805 \| good	7.519 \| good	32.134 \| good	0.561 \| good	2.745 \| good	0.138 \| good
2026-01-25T00:00:00.000Z	28 \| good	2.893 \| good	11.863 \| good	29.843 \| good	0.565 \| good	3.088 \| good	0.141 \| good
2026-01-25T01:00:00.000Z	20 \| good	1.334 \| good	5.314 \| good	22.438 \| good	0.651 \| good	6.777 \| good	0.163 \| good
2026-01-25T02:00:00.000Z	19 \| good	2.187 \| good	8.826 \| good	21.061 \| good	0.738 \| good	10.466 \| good	0.184 \| good
2026-01-25T03:00:00.000Z	19 \| good	2.269 \| good	9.491 \| good	20.534 \| good	0.824 \| good	14.155 \| good	0.206 \| good
2026-01-25T04:00:00.000Z	18 \| good	2.608 \| good	10.9 \| good	18.807 \| good	0.865 \| good	14.189 \| good	0.204 \| good
2026-01-25T05:00:00.000Z	22 \| good	4.322 \| good	18.901 \| good	16.58 \| good	0.905 \| good	14.222 \| good	0.202 \| good
2026-01-25T06:00:00.000Z	38 \| good	6.977 \| good	30.797 \| good	11.081 \| good	0.946 \| good	14.256 \| good	0.2 \| good
2026-01-25T07:00:00.000Z	33 \| good	5.833 \| good	25.357 \| good	9.779 \| good	0.89 \| good	13.878 \| good	0.201 \| good
2026-01-25T08:00:00.000Z	33 \| good	5.927 \| good	25.787 \| good	8.63 \| good	0.834 \| good	13.5 \| good	0.202 \| good
2026-01-25T09:00:00.000Z	22 \| good	3.915 \| good	16.992 \| good	7.697 \| good	0.778 \| good	13.121 \| good	0.202 \| good
2026-01-25T10:00:00.000Z	16 \| good	3.28 \| good	13.721 \| good	6.72 \| good	0.75 \| good	12.898 \| good	0.201 \| good
2026-01-25T11:00:00.000Z	33 \| good	5.58 \| good	24.413 \| good	5.613 \| good	0.722 \| good	12.675 \| good	0.199 \| good
2026-01-25T12:00:00.000Z	27 \| good	5.466 \| good	23.673 \| good	5.07 \| good	0.693 \| good	12.452 \| good	0.197 \| good
2026-01-25T13:00:00.000Z	27 \| good	4.767 \| good	20.882 \| good	4.897 \| good	0.761 \| good	13.297 \| good	0.206 \| good
2026-01-25T14:00:00.000Z	22 \| good	3.541 \| good	15.463 \| good	5.052 \| good	0.828 \| good	14.142 \| good	0.215 \| good
2026-01-25T15:00:00.000Z	27 \| good	4.899 \| good	21.266 \| good	5.366 \| good	0.895 \| good	14.986 \| good	0.224 \| good

Clayton

Get reliable air quality data to drive your business

Clayton, California air quality map: Track AQI near you

0.31ppm

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

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 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 08:00:00 on 2026-01-23.

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 01:00:00 on 2026-01-23.

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 8.354 μg/m³.

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

The current PM₁₀ concentration at Clayton, California is 36.416 μg/m³.

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

The current carbon monoxide (CO) concentration at Clayton, California is 0.308 ppm.

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

The current sulfur dioxide (SO₂) concentration at Clayton, California is 0.504 ppb.

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

The current ozone (O₃) concentration at Clayton, California is 6.618 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Clayton, California is 12.97 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T16:00:00.000Z	38 \| good	7.45 \| good	32.646 \| good	4.247 \| good	0.43 \| good	10.583 \| good	0.654 \| good
2026-01-21T17:00:00.000Z	38 \| good	7.398 \| good	32.224 \| good	4.427 \| good	0.564 \| good	10.011 \| good	0.672 \| good
2026-01-21T18:00:00.000Z	44 \| good	8.318 \| good	34.742 \| good	3.612 \| good	0.52 \| good	8.283 \| good	0.593 \| good
2026-01-21T19:00:00.000Z	38 \| good	7.445 \| good	32.45 \| good	5.586 \| good	0.527 \| good	7.709 \| good	0.575 \| good
2026-01-21T20:00:00.000Z	33 \| good	6.434 \| good	27.356 \| good	6.611 \| good	0.58 \| good	7.58 \| good	0.575 \| good
2026-01-21T21:00:00.000Z	38 \| good	6.527 \| good	28.915 \| good	7.715 \| good	0.512 \| good	7.169 \| good	0.564 \| good
2026-01-21T22:00:00.000Z	33 \| good	6.207 \| good	27.486 \| good	8.523 \| good	0.654 \| good	7.918 \| good	0.554 \| good
2026-01-21T23:00:00.000Z	44 \| good	7.6 \| good	33.075 \| good	7.372 \| good	0.898 \| good	8.41 \| good	0.554 \| good
2026-01-22T00:00:00.000Z	49 \| good	8.554 \| good	37.251 \| good	6.51 \| good	1.174 \| good	8.648 \| good	0.557 \| good
2026-01-22T01:00:00.000Z	44 \| good	7.611 \| good	32.967 \| good	6.348 \| good	1.105 \| good	10.31 \| good	0.55 \| good
2026-01-22T02:00:00.000Z	49 \| good	8.645 \| good	38.535 \| good	4.341 \| good	1.032 \| good	12.09 \| good	0.623 \| good
2026-01-22T03:00:00.000Z	49 \| good	8.985 \| good	39.918 \| good	3.911 \| good	0.815 \| good	12.957 \| good	0.643 \| good
2026-01-22T04:00:00.000Z	52 \| moderate	10.49 \| good	45.826 \| good	3.394 \| good	0.691 \| good	12.815 \| good	0.574 \| good
2026-01-22T05:00:00.000Z	52 \| moderate	9.91 \| good	42.387 \| good	2.949 \| good	0.698 \| good	13.17 \| good	0.64 \| good
2026-01-22T06:00:00.000Z	52 \| moderate	10.314 \| good	46.299 \| good	2.124 \| good	0.705 \| good	13.358 \| good	0.646 \| good
2026-01-22T07:00:00.000Z	56 \| moderate	11.612 \| good	49.836 \| good	2.269 \| good	0.698 \| good	12.867 \| good	0.715 \| good
2026-01-22T08:00:00.000Z	54 \| moderate	11.063 \| good	48.952 \| good	4.573 \| good	0.669 \| good	11.706 \| good	0.714 \| good
2026-01-22T09:00:00.000Z	56 \| moderate	12.228 \| fine	53.27 \| good	3.198 \| good	0.644 \| good	11.83 \| good	0.657 \| good
2026-01-22T10:00:00.000Z	56 \| moderate	11.593 \| good	51.832 \| good	4.394 \| good	0.659 \| good	11.452 \| good	0.664 \| good
2026-01-22T11:00:00.000Z	56 \| moderate	11.825 \| good	51.198 \| good	3.143 \| good	0.662 \| good	11.416 \| good	0.664 \| good
2026-01-22T12:00:00.000Z	52 \| moderate	10.06 \| good	46.36 \| good	3.642 \| good	0.659 \| good	11.673 \| good	0.665 \| good
2026-01-22T13:00:00.000Z	52 \| moderate	10.274 \| good	45.211 \| good	2.844 \| good	0.708 \| good	10.725 \| good	0.715 \| good
2026-01-22T14:00:00.000Z	54 \| moderate	10.557 \| good	48.021 \| good	4.01 \| good	0.693 \| good	10.38 \| good	0.657 \| good
2026-01-22T15:00:00.000Z	52 \| moderate	9.909 \| good	43.994 \| good	3.209 \| good	0.694 \| good	10.06 \| good	0.685 \| good
2026-01-22T16:00:00.000Z	44 \| good	8.274 \| good	35.468 \| good	3.114 \| good	0.627 \| good	11.886 \| good	0.679 \| good
2026-01-22T17:00:00.000Z	44 \| good	7.554 \| good	32.43 \| good	3.654 \| good	0.636 \| good	13.061 \| good	0.864 \| good
2026-01-22T18:00:00.000Z	49 \| good	8.561 \| good	37.017 \| good	2.063 \| good	0.724 \| good	12.996 \| good	0.931 \| good
2026-01-22T19:00:00.000Z	49 \| good	8.646 \| good	37.25 \| good	4.118 \| good	0.658 \| good	11.592 \| good	0.765 \| good
2026-01-22T20:00:00.000Z	49 \| good	8.525 \| good	37.283 \| good	5.883 \| good	0.72 \| good	11.519 \| good	0.652 \| good
2026-01-22T21:00:00.000Z	44 \| good	8.115 \| good	35.606 \| good	12.384 \| good	0.735 \| good	6.478 \| good	0.363 \| good
2026-01-22T22:00:00.000Z	44 \| good	7.67 \| good	33.145 \| good	15.349 \| good	0.62 \| good	5.426 \| good	0.277 \| good
2026-01-22T23:00:00.000Z	44 \| good	7.703 \| good	34.096 \| good	17.493 \| good	1.116 \| good	8.486 \| good	0.352 \| good
2026-01-23T00:00:00.000Z	38 \| good	7.32 \| good	32.878 \| good	19.154 \| good	0.838 \| good	9.419 \| good	0.342 \| good
2026-01-23T01:00:00.000Z	38 \| good	7.335 \| good	31.488 \| good	22.761 \| good	0.786 \| good	8.628 \| good	0.328 \| good
2026-01-23T02:00:00.000Z	49 \| good	8.774 \| good	37.019 \| good	20.739 \| good	2.223 \| good	12.958 \| good	0.404 \| good
2026-01-23T03:00:00.000Z	52 \| moderate	9.704 \| good	43.613 \| good	16.444 \| good	1.075 \| good	17.431 \| good	0.513 \| good
2026-01-23T04:00:00.000Z	56 \| moderate	12.192 \| fine	54.093 \| good	15.393 \| good	0.724 \| good	15.306 \| good	0.41 \| good
2026-01-23T05:00:00.000Z	54 \| moderate	10.712 \| good	47.63 \| good	13.072 \| good	0.612 \| good	13.536 \| good	0.405 \| good
2026-01-23T06:00:00.000Z	52 \| moderate	10.052 \| good	44.158 \| good	11.547 \| good	0.513 \| good	11.333 \| good	0.399 \| good
2026-01-23T07:00:00.000Z	54 \| moderate	11.005 \| good	48.288 \| good	6.038 \| good	0.431 \| good	15.083 \| good	0.475 \| good
2026-01-23T08:00:00.000Z	54 \| moderate	11.004 \| good	49.527 \| good	5.986 \| good	0.45 \| good	12.543 \| good	0.403 \| good
2026-01-23T09:00:00.000Z	52 \| moderate	10.257 \| good	45.979 \| good	4.052 \| good	0.444 \| good	12.787 \| good	0.417 \| good
2026-01-23T10:00:00.000Z	49 \| good	8.817 \| good	41.594 \| good	9.727 \| good	0.46 \| good	12.621 \| good	0.51 \| good
2026-01-23T11:00:00.000Z	49 \| good	8.994 \| good	39.593 \| good	7.883 \| good	0.455 \| good	12.512 \| good	0.51 \| good
2026-01-23T12:00:00.000Z	44 \| good	8.183 \| good	35.054 \| good	6.601 \| good	0.323 \| good	12.293 \| good	0.437 \| good
2026-01-23T13:00:00.000Z	49 \| good	8.744 \| good	37.411 \| good	7.273 \| good	0.73 \| good	10.77 \| good	0.331 \| good
2026-01-23T14:00:00.000Z	44 \| good	8.161 \| good	35.188 \| good	6.096 \| good	0.652 \| good	12.452 \| good	0.321 \| good
2026-01-23T15:00:00.000Z	44 \| good	8.354 \| good	36.416 \| good	6.618 \| good	0.504 \| good	12.97 \| good	0.308 \| good
2026-01-23T16:00:00.000Z	64 \| moderate	15.665 \| fine	69.332 \| fine	3.085 \| good	2.587 \| good	20.532 \| good	0.465 \| good
2026-01-23T17:00:00.000Z	64 \| moderate	15.744 \| fine	69.704 \| fine	6.407 \| good	2.748 \| good	19.077 \| good	0.43 \| good
2026-01-23T18:00:00.000Z	67 \| moderate	17.816 \| fine	79.437 \| fine	7.857 \| good	2.91 \| good	17.622 \| good	0.395 \| good
2026-01-23T19:00:00.000Z	67 \| moderate	17.799 \| fine	79.212 \| fine	14.152 \| good	2.993 \| good	15.082 \| good	0.35 \| good
2026-01-23T20:00:00.000Z	66 \| moderate	16.817 \| fine	74.923 \| fine	21.31 \| good	3.076 \| good	12.541 \| good	0.304 \| good
2026-01-23T21:00:00.000Z	66 \| moderate	16.918 \| fine	75.266 \| fine	28.34 \| good	3.159 \| good	10 \| good	0.259 \| good
2026-01-23T22:00:00.000Z	66 \| moderate	17.069 \| fine	75.407 \| fine	33.266 \| good	3.155 \| good	10.282 \| good	0.256 \| good
2026-01-23T23:00:00.000Z	66 \| moderate	16.632 \| fine	74.086 \| fine	35.087 \| good	3.151 \| good	10.563 \| good	0.253 \| good
2026-01-24T00:00:00.000Z	75 \| moderate	22.09 \| fine	97.503 \| fine	30.547 \| good	3.148 \| good	10.844 \| good	0.25 \| good
2026-01-24T01:00:00.000Z	60 \| moderate	13.602 \| fine	60.85 \| fine	21.206 \| good	3.157 \| good	17.466 \| good	0.318 \| good
2026-01-24T02:00:00.000Z	64 \| moderate	16.253 \| fine	72.136 \| fine	18.664 \| good	3.167 \| good	24.087 \| good	0.385 \| good
2026-01-24T03:00:00.000Z	67 \| moderate	17.886 \| fine	78.727 \| fine	17.739 \| good	3.177 \| good	30.709 \| good	0.452 \| good
2026-01-24T04:00:00.000Z	73 \| moderate	20.916 \| fine	91.922 \| fine	16.698 \| good	3.215 \| good	30.12 \| good	0.488 \| good
2026-01-24T05:00:00.000Z	79 \| moderate	23.566 \| fine	103.263 \| fine	14.068 \| good	3.254 \| good	29.531 \| good	0.524 \| good
2026-01-24T06:00:00.000Z	79 \| moderate	23.884 \| fine	104.719 \| fine	13.747 \| good	3.293 \| good	28.942 \| good	0.56 \| good
2026-01-24T07:00:00.000Z	75 \| moderate	21.985 \| fine	96.939 \| fine	11.559 \| good	3.022 \| good	28.334 \| good	0.535 \| good
2026-01-24T08:00:00.000Z	71 \| moderate	19.719 \| fine	86.915 \| fine	11.483 \| good	2.752 \| good	27.725 \| good	0.509 \| good
2026-01-24T09:00:00.000Z	67 \| moderate	18.429 \| fine	81.732 \| fine	10.431 \| good	2.481 \| good	27.117 \| good	0.483 \| good
2026-01-24T10:00:00.000Z	56 \| moderate	11.616 \| good	51.908 \| good	10.311 \| good	2.117 \| good	25.18 \| good	0.454 \| good
2026-01-24T11:00:00.000Z	33 \| good	5.823 \| good	25.549 \| good	11.115 \| good	1.754 \| good	23.242 \| good	0.425 \| good
2026-01-24T12:00:00.000Z	27 \| good	4.854 \| good	21.494 \| good	10.632 \| good	1.39 \| good	21.304 \| good	0.397 \| good
2026-01-24T13:00:00.000Z	17 \| good	3.335 \| good	14.119 \| good	11.529 \| good	1.398 \| good	18.334 \| good	0.348 \| good
2026-01-24T14:00:00.000Z	16 \| good	2.693 \| good	11.327 \| good	11.436 \| good	1.405 \| good	15.364 \| good	0.3 \| good
2026-01-24T15:00:00.000Z	16 \| good	3.001 \| good	12.542 \| good	11.746 \| good	1.413 \| good	12.394 \| good	0.252 \| good
2026-01-24T16:00:00.000Z	16 \| good	2.835 \| good	12.079 \| good	12.672 \| good	1.196 \| good	10.367 \| good	0.227 \| good
2026-01-24T17:00:00.000Z	19 \| good	3.342 \| good	14.048 \| good	19.5 \| good	0.979 \| good	8.339 \| good	0.203 \| good
2026-01-24T18:00:00.000Z	23 \| good	3.733 \| good	16.416 \| good	25.15 \| good	0.761 \| good	6.312 \| good	0.178 \| good
2026-01-24T19:00:00.000Z	28 \| good	4.602 \| good	19.743 \| good	30.256 \| good	0.692 \| good	4.894 \| good	0.163 \| good
2026-01-24T20:00:00.000Z	29 \| good	2.299 \| good	9.51 \| good	31.19 \| good	0.623 \| good	3.476 \| good	0.147 \| good
2026-01-24T21:00:00.000Z	29 \| good	1.798 \| good	7.137 \| good	30.602 \| good	0.554 \| good	2.059 \| good	0.132 \| good
2026-01-24T22:00:00.000Z	30 \| good	1.68 \| good	6.755 \| good	31.642 \| good	0.557 \| good	2.402 \| good	0.135 \| good
2026-01-24T23:00:00.000Z	30 \| good	1.805 \| good	7.519 \| good	32.134 \| good	0.561 \| good	2.745 \| good	0.138 \| good
2026-01-25T00:00:00.000Z	28 \| good	2.893 \| good	11.863 \| good	29.843 \| good	0.565 \| good	3.088 \| good	0.141 \| good
2026-01-25T01:00:00.000Z	20 \| good	1.334 \| good	5.314 \| good	22.438 \| good	0.651 \| good	6.777 \| good	0.163 \| good
2026-01-25T02:00:00.000Z	19 \| good	2.187 \| good	8.826 \| good	21.061 \| good	0.738 \| good	10.466 \| good	0.184 \| good
2026-01-25T03:00:00.000Z	19 \| good	2.269 \| good	9.491 \| good	20.534 \| good	0.824 \| good	14.155 \| good	0.206 \| good
2026-01-25T04:00:00.000Z	18 \| good	2.608 \| good	10.9 \| good	18.807 \| good	0.865 \| good	14.189 \| good	0.204 \| good
2026-01-25T05:00:00.000Z	22 \| good	4.322 \| good	18.901 \| good	16.58 \| good	0.905 \| good	14.222 \| good	0.202 \| good
2026-01-25T06:00:00.000Z	38 \| good	6.977 \| good	30.797 \| good	11.081 \| good	0.946 \| good	14.256 \| good	0.2 \| good
2026-01-25T07:00:00.000Z	33 \| good	5.833 \| good	25.357 \| good	9.779 \| good	0.89 \| good	13.878 \| good	0.201 \| good
2026-01-25T08:00:00.000Z	33 \| good	5.927 \| good	25.787 \| good	8.63 \| good	0.834 \| good	13.5 \| good	0.202 \| good
2026-01-25T09:00:00.000Z	22 \| good	3.915 \| good	16.992 \| good	7.697 \| good	0.778 \| good	13.121 \| good	0.202 \| good
2026-01-25T10:00:00.000Z	16 \| good	3.28 \| good	13.721 \| good	6.72 \| good	0.75 \| good	12.898 \| good	0.201 \| good
2026-01-25T11:00:00.000Z	33 \| good	5.58 \| good	24.413 \| good	5.613 \| good	0.722 \| good	12.675 \| good	0.199 \| good
2026-01-25T12:00:00.000Z	27 \| good	5.466 \| good	23.673 \| good	5.07 \| good	0.693 \| good	12.452 \| good	0.197 \| good
2026-01-25T13:00:00.000Z	27 \| good	4.767 \| good	20.882 \| good	4.897 \| good	0.761 \| good	13.297 \| good	0.206 \| good
2026-01-25T14:00:00.000Z	22 \| good	3.541 \| good	15.463 \| good	5.052 \| good	0.828 \| good	14.142 \| good	0.215 \| good
2026-01-25T15:00:00.000Z	27 \| good	4.899 \| good	21.266 \| good	5.366 \| good	0.895 \| good	14.986 \| good	0.224 \| 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)

Track live Clayton, California air quality forecast and history

Get reliable air quality data to drive your business

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

How accurate is California, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

What is the current air quality in Clayton, California?

What pollutant is the most common in Clayton, California?

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

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?