What are the current PM10 levels at Clayton, Missouri?

The current PM10 levels in Clayton, Missouri are 20.858 μg/m3.

What are the current sulfur dioxide (SO2) levels at Clayton, Missouri?

The current sulfur dioxide (SO2) levels in Clayton, Missouri are 0.463 ppb.

What are the current ozone (O3) levels at Clayton, Missouri?

The current ozone (O3) levels at Clayton, Missouri is 18.671 ppm.

What are the current nitrogen dioxide (NO2) levels at Clayton, Missouri?

The current nitrogen dioxide (NO2) levels at Clayton, Missouri is 5.04 ppb.

Real-time air quality index in Clayton, Missouri today

Q: What are the current PM2.5 levels in Clayton, Missouri?

The measured PM2.5 levels in Clayton, Missouri at present are 4.767 μg/m3.

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

Last updated: ... (Local time)

Common air pollutants in Clayton, Missouri

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.77 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

20.86 μg/m³

155

255

425

605+

Ozone (O₃)

18.67 ppb

201

201+

Sulfur Dioxide (SO₂)

0.46 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.04 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Looks like we don't have this data available right now

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Clayton, Missouri

Scroll To Air Quality Map

Track live Clayton, Missouri air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-08-15T15:00:00.000Z	28 \| good	3.725 \| good	16.347 \| good	29.556 \| good	0.789 \| good	5.221 \| good	0.132 \| good
2026-08-15T16:00:00.000Z	35 \| good	3.652 \| good	15.493 \| good	37.94 \| good	0.459 \| good	7.404 \| good	0.277 \| good
2026-08-15T17:00:00.000Z	37 \| good	3.32 \| good	14.775 \| good	40.343 \| good	0.334 \| good	5.548 \| good	0.278 \| good
2026-08-15T18:00:00.000Z	37 \| good	3.172 \| good	13.934 \| good	39.581 \| good	0.537 \| good	5.82 \| good	0.279 \| good
2026-08-15T19:00:00.000Z	36 \| good	4.339 \| good	18.54 \| good	38.988 \| good	1.319 \| good	5.537 \| good	0.278 \| good
2026-08-15T20:00:00.000Z	38 \| good	5.347 \| good	23.103 \| good	41.322 \| good	1.05 \| good	6.205 \| good	0.277 \| good
2026-08-15T21:00:00.000Z	40 \| good	7.121 \| good	31.238 \| good	42.664 \| good	0.616 \| good	5.796 \| good	0.351 \| good
2026-08-15T22:00:00.000Z	44 \| good	8.32 \| good	35.934 \| good	40.52 \| good	0.809 \| good	5.693 \| good	0.422 \| good
2026-08-15T23:00:00.000Z	56 \| moderate	11.754 \| good	52.437 \| good	37.638 \| good	0.471 \| good	5.367 \| good	0.275 \| good
2026-08-16T00:00:00.000Z	56 \| moderate	11.875 \| good	52.43 \| good	37.201 \| good	0.418 \| good	4.873 \| good	0.202 \| good
2026-08-16T01:00:00.000Z	56 \| moderate	12.35 \| fine	54.798 \| good	36.401 \| good	0.415 \| good	5.886 \| good	0.275 \| good
2026-08-16T02:00:00.000Z	58 \| moderate	13.417 \| fine	59.689 \| fine	32.437 \| good	0.417 \| good	6.373 \| good	0.276 \| good
2026-08-16T03:00:00.000Z	58 \| moderate	13.032 \| fine	59.058 \| fine	22.71 \| good	0.458 \| good	7.728 \| good	0.348 \| good
2026-08-16T04:00:00.000Z	62 \| moderate	15.109 \| fine	66.309 \| fine	19.27 \| good	0.458 \| good	6.837 \| good	0.204 \| good
2026-08-16T05:00:00.000Z	62 \| moderate	14.649 \| fine	65.302 \| fine	14.574 \| good	0.572 \| good	7.92 \| good	0.274 \| good
2026-08-16T06:00:00.000Z	60 \| moderate	14.228 \| fine	63.209 \| fine	17.71 \| good	0.406 \| good	7.303 \| good	0.225 \| good
2026-08-16T07:00:00.000Z	60 \| moderate	14.228 \| fine	63.209 \| fine	19.78 \| good	0.41 \| good	7.603 \| good	0.225 \| good
2026-08-16T08:00:00.000Z	60 \| moderate	14.228 \| fine	63.209 \| fine	18.279 \| good	0.405 \| good	7.309 \| good	0.225 \| good
2026-08-16T09:00:00.000Z	58 \| moderate	12.966 \| fine	57.771 \| fine	13.542 \| good	1.076 \| good	6.507 \| good	0.201 \| good
2026-08-16T10:00:00.000Z	58 \| moderate	12.889 \| fine	57.198 \| fine	19.378 \| good	1.454 \| good	8.219 \| good	0.201 \| good
2026-08-16T11:00:00.000Z	56 \| moderate	12.054 \| good	53.228 \| good	19.34 \| good	0.439 \| good	4.565 \| good	0.2 \| good
2026-08-16T12:00:00.000Z	56 \| moderate	11.854 \| good	52.139 \| good	18.679 \| good	0.375 \| good	4.91 \| good	0.201 \| good
2026-08-16T13:00:00.000Z	56 \| moderate	11.854 \| good	52.139 \| good	17.919 \| good	0.383 \| good	4.852 \| good	0.2 \| good
2026-08-16T14:00:00.000Z	52 \| moderate	9.506 \| good	41.751 \| good	17.232 \| good	0.373 \| good	5.478 \| good	0.201 \| good
2026-08-16T15:00:00.000Z	44 \| good	7.795 \| good	33.556 \| good	23.11 \| good	0.367 \| good	3.593 \| good	0.2 \| good
2026-08-16T16:00:00.000Z	33 \| good	6.376 \| good	27.407 \| good	26.698 \| good	0.345 \| good	4.182 \| good	0.2 \| good
2026-08-16T17:00:00.000Z	33 \| good	5.557 \| good	23.364 \| good	29.069 \| good	0.892 \| good	7.909 \| good	0.275 \| good
2026-08-16T18:00:00.000Z	33 \| good	5.518 \| good	23.953 \| good	32.149 \| good	0.93 \| good	5.302 \| good	0.203 \| good
2026-08-16T19:00:00.000Z	33 \| good	6.147 \| good	26.46 \| good	35.308 \| good	0.527 \| good	5.062 \| good	0.204 \| good
2026-08-16T20:00:00.000Z	33 \| good	6.366 \| good	28.089 \| good	36.168 \| good	0.446 \| good	5.012 \| good	0.129 \| good
2026-08-16T21:00:00.000Z	33 \| good	6.411 \| good	27.563 \| good	35.611 \| good	0.437 \| good	3.192 \| good	0.202 \| good
2026-08-16T22:00:00.000Z	38 \| good	6.853 \| good	29.602 \| good	39.799 \| good	0.584 \| good	3.737 \| good	0.203 \| good
2026-08-16T23:00:00.000Z	41 \| good	6.829 \| good	30.32 \| good	43.817 \| good	0.643 \| good	3.222 \| good	0.203 \| good
2026-08-17T00:00:00.000Z	44 \| good	8.197 \| good	35.313 \| good	44.085 \| good	1.131 \| good	4.723 \| good	0.226 \| good
2026-08-17T01:00:00.000Z	38 \| good	5.692 \| good	24.489 \| good	40.8 \| good	0.584 \| good	3.751 \| good	0.203 \| good
2026-08-17T02:00:00.000Z	38 \| good	4.962 \| good	21.638 \| good	41.258 \| good	0.553 \| good	4.182 \| good	0.203 \| good
2026-08-17T03:00:00.000Z	38 \| good	7.042 \| good	30.954 \| good	22.3 \| good	0.702 \| good	6.73 \| good	0.158 \| good
2026-08-17T04:00:00.000Z	38 \| good	7.394 \| good	31.988 \| good	36.626 \| good	0.561 \| good	4.262 \| good	0.131 \| good
2026-08-17T05:00:00.000Z	32 \| good	1.871 \| good	6.924 \| good	34.957 \| good	0.496 \| good	3.767 \| good	0.13 \| good
2026-08-17T06:00:00.000Z	30 \| good	2.277 \| good	9.38 \| good	31.812 \| good	0.403 \| good	3.404 \| good	0.131 \| good
2026-08-17T07:00:00.000Z	31 \| good	2.277 \| good	9.38 \| good	32.772 \| good	0.412 \| good	3.483 \| good	0.129 \| good
2026-08-17T08:00:00.000Z	30 \| good	2.277 \| good	9.38 \| good	31.986 \| good	0.385 \| good	3.598 \| good	0.13 \| good
2026-08-17T09:00:00.000Z	25 \| good	2.129 \| good	8.473 \| good	27.196 \| good	0.473 \| good	2.755 \| good	0.128 \| good
2026-08-17T10:00:00.000Z	24 \| good	3.835 \| good	16.682 \| good	25.572 \| good	0.48 \| good	2.928 \| good	0.128 \| good
2026-08-17T11:00:00.000Z	22 \| good	4.424 \| good	19.629 \| good	21.607 \| good	0.388 \| good	3.198 \| good	0.201 \| good
2026-08-17T12:00:00.000Z	27 \| good	4.767 \| good	20.858 \| good	17.199 \| good	0.471 \| good	4.887 \| good	0.201 \| good
2026-08-17T13:00:00.000Z	27 \| good	4.767 \| good	20.858 \| good	18.671 \| good	0.463 \| good	5.04 \| good	0.201 \| good
2026-08-17T14:00:00.000Z	27 \| good	4.767 \| good	20.858 \| good	18.671 \| good	0.463 \| good	5.04 \| good	0.201 \| good
2026-08-17T15:00:00.000Z	49 \| good	9.209 \| good	40.515 \| good	31.423 \| good	0.622 \| good	1.754 \| good	0.208 \| good
2026-08-17T16:00:00.000Z	49 \| good	9.396 \| good	41.568 \| good	36.911 \| good	0.666 \| good	1.216 \| good	0.203 \| good
2026-08-17T17:00:00.000Z	49 \| good	8.848 \| good	38.913 \| good	41.9 \| good	0.648 \| good	0.928 \| good	0.197 \| good
2026-08-17T18:00:00.000Z	42 \| good	7.213 \| good	32.013 \| good	44.679 \| good	0.647 \| good	0.81 \| good	0.193 \| good
2026-08-17T19:00:00.000Z	41 \| good	5.51 \| good	23.467 \| good	44.427 \| good	0.627 \| good	0.781 \| good	0.19 \| good
2026-08-17T20:00:00.000Z	40 \| good	5.985 \| good	26.383 \| good	43.373 \| good	0.537 \| good	0.778 \| good	0.189 \| good
2026-08-17T21:00:00.000Z	41 \| good	5.865 \| good	25.133 \| good	44.363 \| good	0.533 \| good	0.778 \| good	0.186 \| good
2026-08-17T22:00:00.000Z	44 \| good	7.632 \| good	33.548 \| good	42.9 \| good	0.543 \| good	0.877 \| good	0.184 \| good
2026-08-17T23:00:00.000Z	38 \| good	6.753 \| good	30.134 \| good	34.443 \| good	0.581 \| good	1.357 \| good	0.185 \| good
2026-08-18T00:00:00.000Z	49 \| good	8.769 \| good	38.697 \| good	25.173 \| good	0.553 \| good	2.667 \| good	0.192 \| good
2026-08-18T01:00:00.000Z	44 \| good	8.302 \| good	36.35 \| good	22.582 \| good	0.553 \| good	5.647 \| good	0.209 \| good
2026-08-18T02:00:00.000Z	52 \| moderate	9.66 \| good	43.054 \| good	18.053 \| good	0.574 \| good	8.169 \| good	0.223 \| good
2026-08-18T03:00:00.000Z	54 \| moderate	11.31 \| good	49.954 \| good	17.669 \| good	0.603 \| good	9.819 \| good	0.232 \| good
2026-08-18T04:00:00.000Z	52 \| moderate	10.037 \| good	44.519 \| good	12.199 \| good	0.671 \| good	12.875 \| good	0.254 \| good
2026-08-18T05:00:00.000Z	52 \| moderate	10.258 \| good	45.668 \| good	10.192 \| good	0.727 \| good	15.398 \| good	0.269 \| good
2026-08-18T06:00:00.000Z	60 \| moderate	14.237 \| fine	63.486 \| fine	11.971 \| good	0.76 \| good	17.434 \| good	0.285 \| good
2026-08-18T07:00:00.000Z	54 \| moderate	10.685 \| good	47.333 \| good	15.158 \| good	0.731 \| good	14.199 \| good	0.262 \| good
2026-08-18T08:00:00.000Z	56 \| moderate	11.815 \| good	52.111 \| good	13.647 \| good	0.754 \| good	14.392 \| good	0.263 \| good
2026-08-18T09:00:00.000Z	56 \| moderate	12.468 \| fine	55.763 \| fine	11.435 \| good	0.766 \| good	13.976 \| good	0.26 \| good
2026-08-18T10:00:00.000Z	60 \| moderate	13.668 \| fine	61.054 \| fine	9.251 \| good	0.807 \| good	14.214 \| good	0.261 \| good
2026-08-18T11:00:00.000Z	54 \| moderate	11.455 \| good	50.636 \| good	8.037 \| good	0.857 \| good	15.324 \| good	0.266 \| good
2026-08-18T12:00:00.000Z	56 \| moderate	12.316 \| fine	55.081 \| fine	9.995 \| good	0.737 \| good	20.964 \| good	0.359 \| good
2026-08-18T13:00:00.000Z	49 \| good	9.4 \| good	42.24 \| good	16.777 \| good	0.674 \| good	15.938 \| good	0.393 \| good
2026-08-18T14:00:00.000Z	49 \| good	9.38 \| good	41.929 \| good	21.905 \| good	1.213 \| good	11.896 \| good	0.32 \| good
2026-08-18T15:00:00.000Z	49 \| good	9.46 \| good	42.374 \| good	36.217 \| good	1.742 \| good	3.286 \| good	0.206 \| good
2026-08-18T16:00:00.000Z	52 \| moderate	10.479 \| good	46.319 \| good	45.998 \| good	2.12 \| good	1.989 \| good	0.199 \| good
2026-08-18T17:00:00.000Z	54 \| moderate	10.817 \| good	48.078 \| good	55.127 \| fine	2.436 \| good	1.5 \| good	0.197 \| good
2026-08-18T18:00:00.000Z	64 \| moderate	11.145 \| good	49.088 \| good	59.189 \| fine	2.707 \| good	1.327 \| good	0.198 \| good
2026-08-18T19:00:00.000Z	74 \| moderate	7.728 \| good	34.182 \| good	61.555 \| fine	2.902 \| good	1.29 \| good	0.198 \| good
2026-08-18T20:00:00.000Z	49 \| good	6.821 \| good	29.932 \| good	52.888 \| good	3.238 \| good	1.312 \| good	0.21 \| good
2026-08-18T21:00:00.000Z	51 \| moderate	8.806 \| good	38.841 \| good	55.189 \| fine	3.234 \| good	1.434 \| good	0.211 \| good
2026-08-18T22:00:00.000Z	54 \| moderate	11.155 \| good	49.525 \| good	55.625 \| fine	3.191 \| good	1.699 \| good	0.213 \| good
2026-08-18T23:00:00.000Z	54 \| moderate	10.711 \| good	47.593 \| good	50.655 \| good	3.421 \| good	2.591 \| good	0.213 \| good
2026-08-19T00:00:00.000Z	56 \| moderate	12 \| good	53.641 \| good	35.836 \| good	3.081 \| good	6.952 \| good	0.253 \| good
2026-08-19T01:00:00.000Z	44 \| good	7.913 \| good	34.734 \| good	29.622 \| good	3.012 \| good	10.332 \| good	0.279 \| good
2026-08-19T02:00:00.000Z	49 \| good	8.834 \| good	38.818 \| good	26.899 \| good	2.929 \| good	10.943 \| good	0.283 \| good
2026-08-19T03:00:00.000Z	52 \| moderate	9.6 \| good	42.977 \| good	23.751 \| good	2.643 \| good	10.753 \| good	0.279 \| good
2026-08-19T04:00:00.000Z	38 \| good	6.932 \| good	30.783 \| good	20.121 \| good	0.906 \| good	5.791 \| good	0.232 \| good
2026-08-19T05:00:00.000Z	33 \| good	6.022 \| good	26.813 \| good	20.607 \| good	0.759 \| good	5.131 \| good	0.222 \| good
2026-08-19T06:00:00.000Z	44 \| good	8.312 \| good	36.489 \| good	23.688 \| good	0.755 \| good	4.287 \| good	0.211 \| good
2026-08-19T07:00:00.000Z	44 \| good	7.746 \| good	34.018 \| good	16.351 \| good	1.061 \| good	6.896 \| good	0.234 \| good
2026-08-19T08:00:00.000Z	49 \| good	9.397 \| good	41.779 \| good	15.954 \| good	0.973 \| good	6.891 \| good	0.23 \| good
2026-08-19T09:00:00.000Z	49 \| good	8.965 \| good	39.737 \| good	13.209 \| good	0.946 \| good	6.926 \| good	0.227 \| good
2026-08-19T10:00:00.000Z	54 \| moderate	10.673 \| good	47.317 \| good	7.612 \| good	0.943 \| good	5.45 \| good	0.217 \| good
2026-08-19T11:00:00.000Z	52 \| moderate	10.159 \| good	45.083 \| good	13.905 \| good	0.935 \| good	5.211 \| good	0.214 \| good
2026-08-19T12:00:00.000Z	38 \| good	6.562 \| good	29.388 \| good	21.999 \| good	0.631 \| good	4.153 \| good	0.201 \| good
2026-08-19T13:00:00.000Z	38 \| good	6.652 \| good	29.607 \| good	24.252 \| good	0.573 \| good	4.619 \| good	0.209 \| good
2026-08-19T14:00:00.000Z	26 \| good	4.485 \| good	19.396 \| good	28.231 \| good	0.65 \| good	3.351 \| good	0.211 \| good

Clayton

Empower business decisions with accurate air quality data

Clayton, Missouri air quality map: Real-time AQI near you

0.20ppm

How accurate is Missouri, USA air quality data?

Air quality measurements for Missouri, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Clayton, Missouri updated?

Air quality data for Clayton, Missouri is updated on an hourly basis.

When did Clayton, Missouri experience the worst air quality in the last 24 hours?

The worst air quality in Clayton, Missouri was recorded at 02:00:00 on 2026-08-16.

When did Clayton, Missouri have its best air quality in the last 24 hours?

The best air quality in Clayton, Missouri was recorded at 11:00:00 on 2026-08-17.

What is the real-time air quality index for Clayton, Missouri?

The real-time air quality index in Clayton, Missouri is 27, currently categorized as Good.

Which pollutant is found most often in Clayton, Missouri?

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

What can I do if the air quality in Clayton, Missouri is poor?

If the air quality in Clayton, Missouri is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Clayton, Missouri?

The measured PM_2.5 levels in Clayton, Missouri at present are 4.767 μg/m³.

What are the current PM₁₀ levels at Clayton, Missouri?

The current PM₁₀ levels in Clayton, Missouri are 20.858 μg/m³.

What are the current carbon monoxide (CO) levels at Clayton, Missouri?

The current carbon monoxide (CO) level in Clayton, Missouri is 0.201 ppm.

What are the current sulfur dioxide (SO₂) levels at Clayton, Missouri?

The current sulfur dioxide (SO₂) levels in Clayton, Missouri are 0.463 ppb.

What are the current ozone (O₃) levels at Clayton, Missouri?

The current ozone (O₃) levels at Clayton, Missouri is 18.671 ppm.

What are the current nitrogen dioxide (NO₂) levels at Clayton, Missouri?

The current nitrogen dioxide (NO₂) levels at Clayton, Missouri is 5.04 ppb.

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