What are the current PM10 levels at Clayton, Missouri?

The current PM10 levels in Clayton, Missouri are 8.145 μg/m3.

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

The current sulfur dioxide (SO2) levels in Clayton, Missouri are 0.317 ppb.

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

The current ozone (O3) levels at Clayton, Missouri is 22.211 ppm.

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

The current nitrogen dioxide (NO2) levels at Clayton, Missouri is 9.234 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 1.727 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)

1.70 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

8.02 μg/m³

155

255

425

605+

Ozone (O₃)

33.67 ppb

201

201+

Sulfur Dioxide (SO₂)

0.40 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.00 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
2025-10-20T20:00:00.000Z	31 \| good	2.07 \| good	8.636 \| good	33.395 \| good	0.584 \| good	4.861 \| good	0.272 \| good
2025-10-20T21:00:00.000Z	32 \| good	2.169 \| good	9.992 \| good	35.273 \| good	0.751 \| good	5.58 \| good	0.199 \| good
2025-10-20T22:00:00.000Z	34 \| good	2.795 \| good	11.966 \| good	36.549 \| good	0.797 \| good	5.446 \| good	0.198 \| good
2025-10-20T23:00:00.000Z	36 \| good	3.217 \| good	13.892 \| good	38.785 \| good	0.849 \| good	6.22 \| good	0.271 \| good
2025-10-21T00:00:00.000Z	35 \| good	2.307 \| good	10.054 \| good	38.476 \| good	0.837 \| good	6.823 \| good	0.271 \| good
2025-10-21T01:00:00.000Z	35 \| good	2.136 \| good	9.437 \| good	37.836 \| good	0.698 \| good	7.262 \| good	0.271 \| good
2025-10-21T02:00:00.000Z	33 \| good	2.501 \| good	10.5 \| good	36.274 \| good	0.741 \| good	7.554 \| good	0.198 \| good
2025-10-21T03:00:00.000Z	31 \| good	3.435 \| good	14.847 \| good	34.41 \| good	0.861 \| good	2.919 \| good	0.144 \| good
2025-10-21T04:00:00.000Z	31 \| good	2.381 \| good	10.388 \| good	32.68 \| good	0.769 \| good	5.624 \| good	0.223 \| good
2025-10-21T05:00:00.000Z	30 \| good	2.041 \| good	8.825 \| good	32.232 \| good	0.736 \| good	3.249 \| good	0.127 \| good
2025-10-21T06:00:00.000Z	31 \| good	1.522 \| good	6.927 \| good	33.466 \| good	0.883 \| good	3.372 \| good	0.127 \| good
2025-10-21T07:00:00.000Z	31 \| good	1.522 \| good	6.927 \| good	33.768 \| good	0.876 \| good	3.34 \| good	0.126 \| good
2025-10-21T08:00:00.000Z	29 \| good	1.522 \| good	6.927 \| good	30.769 \| good	0.873 \| good	3.316 \| good	0.128 \| good
2025-10-21T09:00:00.000Z	29 \| good	1.522 \| good	6.927 \| good	31.29 \| good	0.181 \| good	3.402 \| good	0.221 \| good
2025-10-21T10:00:00.000Z	26 \| good	1.397 \| good	6.282 \| good	28.465 \| good	0.375 \| good	5.808 \| good	0.151 \| good
2025-10-21T11:00:00.000Z	19 \| good	2.043 \| good	9.252 \| good	20.877 \| good	0.415 \| good	7.65 \| good	0.198 \| good
2025-10-21T12:00:00.000Z	19 \| good	2.233 \| good	9.881 \| good	19.863 \| good	0.404 \| good	10.348 \| good	0.272 \| good
2025-10-21T13:00:00.000Z	21 \| good	2.233 \| good	9.881 \| good	23.341 \| good	0.405 \| good	10.51 \| good	0.276 \| good
2025-10-21T14:00:00.000Z	20 \| good	1.935 \| good	8.901 \| good	22.152 \| good	0.694 \| good	10.174 \| good	0.301 \| good
2025-10-21T15:00:00.000Z	23 \| good	2.126 \| good	9.441 \| good	24.624 \| good	2.838 \| good	8.017 \| good	0.272 \| good
2025-10-21T16:00:00.000Z	23 \| good	1.593 \| good	7.123 \| good	25.438 \| good	1.023 \| good	5.339 \| good	0.198 \| good
2025-10-21T17:00:00.000Z	24 \| good	1.457 \| good	6.728 \| good	26.239 \| good	0.474 \| good	4.011 \| good	0.198 \| good
2025-10-21T18:00:00.000Z	30 \| good	4.183 \| good	17.984 \| good	32.399 \| good	0.399 \| good	3.696 \| good	0.174 \| good
2025-10-21T19:00:00.000Z	28 \| good	3.123 \| good	13.033 \| good	30.116 \| good	0.388 \| good	4.339 \| good	0.198 \| good
2025-10-21T20:00:00.000Z	31 \| good	2.637 \| good	12.054 \| good	32.565 \| good	0.382 \| good	4.205 \| good	0.198 \| good
2025-10-21T21:00:00.000Z	30 \| good	2.485 \| good	13.469 \| good	31.912 \| good	0.314 \| good	3.493 \| good	0.125 \| good
2025-10-21T22:00:00.000Z	30 \| good	0.916 \| good	4.547 \| good	32.227 \| good	0.363 \| good	3.662 \| good	0.101 \| good
2025-10-21T23:00:00.000Z	30 \| good	1.592 \| good	7.348 \| good	31.584 \| good	0.359 \| good	3.122 \| good	0.101 \| good
2025-10-22T00:00:00.000Z	31 \| good	1.452 \| good	6.706 \| good	32.844 \| good	0.421 \| good	4.193 \| good	0.101 \| good
2025-10-22T01:00:00.000Z	29 \| good	0.682 \| good	4.057 \| good	30.996 \| good	0.493 \| good	4.886 \| good	0.125 \| good
2025-10-22T02:00:00.000Z	29 \| good	0.633 \| good	3.778 \| good	30.755 \| good	0.483 \| good	6.867 \| good	0.198 \| good
2025-10-22T03:00:00.000Z	22 \| good	1.616 \| good	6.7 \| good	24.005 \| good	0.473 \| good	3.004 \| good	0.136 \| good
2025-10-22T04:00:00.000Z	26 \| good	1.317 \| good	6.474 \| good	28.16 \| good	0.389 \| good	7.893 \| good	0.198 \| good
2025-10-22T05:00:00.000Z	24 \| good	1.184 \| good	6.163 \| good	26.202 \| good	0.459 \| good	6.475 \| good	0.199 \| good
2025-10-22T06:00:00.000Z	23 \| good	1.587 \| good	7.56 \| good	25.212 \| good	0.413 \| good	5.542 \| good	0.198 \| good
2025-10-22T07:00:00.000Z	24 \| good	1.587 \| good	7.56 \| good	25.775 \| good	0.413 \| good	5.564 \| good	0.198 \| good
2025-10-22T08:00:00.000Z	23 \| good	1.587 \| good	7.56 \| good	25.33 \| good	0.413 \| good	5.583 \| good	0.198 \| good
2025-10-22T09:00:00.000Z	22 \| good	1.587 \| good	7.56 \| good	24.184 \| good	0.584 \| good	1.999 \| good	0.166 \| good
2025-10-22T10:00:00.000Z	21 \| good	0.666 \| good	3.523 \| good	23.331 \| good	0.397 \| good	5.189 \| good	0.125 \| good
2025-10-22T11:00:00.000Z	21 \| good	1.333 \| good	6.089 \| good	23.024 \| good	0.391 \| good	5.9 \| good	0.198 \| good
2025-10-22T12:00:00.000Z	20 \| good	1.727 \| good	8.145 \| good	22.211 \| good	0.317 \| good	9.234 \| good	0.27 \| good
2025-10-22T13:00:00.000Z	21 \| good	1.659 \| good	8.066 \| good	22.835 \| good	0.303 \| good	11.007 \| good	0.343 \| good
2025-10-22T14:00:00.000Z	21 \| good	1.598 \| good	7.113 \| good	22.574 \| good	0.542 \| good	9.25 \| good	0.3 \| good
2025-10-22T15:00:00.000Z	23 \| good	1.679 \| good	7.811 \| good	24.984 \| good	0.459 \| good	6.981 \| good	0.27 \| good
2025-10-22T16:00:00.000Z	24 \| good	0.939 \| good	4.616 \| good	25.986 \| good	0.43 \| good	5.6 \| good	0.198 \| good
2025-10-22T17:00:00.000Z	27 \| good	2.141 \| good	9.666 \| good	28.611 \| good	0.549 \| good	4.522 \| good	0.198 \| good
2025-10-22T18:00:00.000Z	29 \| good	1.458 \| good	6.695 \| good	31.357 \| good	0.451 \| good	3.942 \| good	0.198 \| good
2025-10-22T19:00:00.000Z	31 \| good	1.702 \| good	8.02 \| good	33.668 \| good	0.404 \| good	3.996 \| good	0.198 \| good
2025-10-22T19:00:00.000Z	31 \| good	1.702 \| good	8.02 \| good	33.668 \| good	0.404 \| good	3.996 \| good	0.198 \| good
2025-10-22T13:00:00.000Z	19 \| good	3.313 \| good	14.189 \| good	21.099 \| good	0.557 \| good	2.662 \| good	0.127 \| good
2025-10-22T14:00:00.000Z	23 \| good	2.151 \| good	9.095 \| good	25.19 \| good	0.6 \| good	2.57 \| good	0.131 \| good
2025-10-22T15:00:00.000Z	23 \| good	1.362 \| good	5.153 \| good	24.883 \| good	0.643 \| good	2.477 \| good	0.135 \| good
2025-10-22T16:00:00.000Z	24 \| good	0.841 \| good	3.115 \| good	26.368 \| good	0.634 \| good	2.053 \| good	0.131 \| good
2025-10-22T17:00:00.000Z	27 \| good	0.186 \| good	0.129 \| good	29.485 \| good	0.626 \| good	1.629 \| good	0.127 \| good
2025-10-22T18:00:00.000Z	29 \| good	1.065 \| good	3.956 \| good	30.597 \| good	0.617 \| good	1.204 \| good	0.123 \| good
2025-10-22T19:00:00.000Z	29 \| good	0.965 \| good	4.008 \| good	31.13 \| good	0.595 \| good	1.185 \| good	0.124 \| good
2025-10-22T20:00:00.000Z	28 \| good	1.259 \| good	5.094 \| good	30.336 \| good	0.574 \| good	1.165 \| good	0.124 \| good
2025-10-22T21:00:00.000Z	27 \| good	0.508 \| good	2.035 \| good	28.582 \| good	0.552 \| good	1.146 \| good	0.124 \| good
2025-10-22T22:00:00.000Z	25 \| good	0.382 \| good	1.093 \| good	27.399 \| good	0.594 \| good	3.345 \| good	0.143 \| good
2025-10-22T23:00:00.000Z	19 \| good	0.727 \| good	2.984 \| good	19.712 \| good	0.636 \| good	5.544 \| good	0.162 \| good
2025-10-23T00:00:00.000Z	17 \| good	0.377 \| good	1.15 \| good	17.712 \| good	0.678 \| good	7.743 \| good	0.18 \| good
2025-10-23T01:00:00.000Z	19 \| good	1.271 \| good	4.888 \| good	19.578 \| good	0.747 \| good	9.921 \| good	0.197 \| good
2025-10-23T02:00:00.000Z	19 \| good	1.57 \| good	6.847 \| good	20.617 \| good	0.816 \| good	12.1 \| good	0.215 \| good
2025-10-23T03:00:00.000Z	18 \| good	1.442 \| good	5.965 \| good	18.531 \| good	0.885 \| good	14.278 \| good	0.232 \| good
2025-10-23T04:00:00.000Z	18 \| good	0.197 \| good	0.206 \| good	18.646 \| good	0.819 \| good	12.2 \| good	0.216 \| good
2025-10-23T05:00:00.000Z	17 \| good	1.039 \| good	3.933 \| good	17.704 \| good	0.754 \| good	10.121 \| good	0.199 \| good
2025-10-23T06:00:00.000Z	14 \| good	0.872 \| good	3.112 \| good	14.577 \| good	0.688 \| good	8.043 \| good	0.183 \| good
2025-10-23T07:00:00.000Z	12 \| good	0.308 \| good	1.095 \| good	12.507 \| good	0.668 \| good	7.002 \| good	0.172 \| good
2025-10-23T08:00:00.000Z	11 \| good	1.587 \| good	6.097 \| good	10.281 \| good	0.648 \| good	5.962 \| good	0.16 \| good
2025-10-23T09:00:00.000Z	7 \| good	0.739 \| good	2.968 \| good	8.041 \| good	0.628 \| good	4.922 \| good	0.149 \| good
2025-10-23T10:00:00.000Z	11 \| good	2.42 \| good	9.87 \| good	2.747 \| good	0.66 \| good	5.856 \| good	0.155 \| good
2025-10-23T11:00:00.000Z	27 \| good	5.406 \| good	22.819 \| good	1.473 \| good	0.693 \| good	6.791 \| good	0.16 \| good
2025-10-23T12:00:00.000Z	49 \| good	8.65 \| good	37.696 \| good	0.711 \| good	0.725 \| good	7.726 \| good	0.166 \| good
2025-10-23T13:00:00.000Z	49 \| good	9.182 \| good	40.595 \| good	2.803 \| good	0.812 \| good	6.858 \| good	0.169 \| good
2025-10-23T14:00:00.000Z	44 \| good	7.666 \| good	33.816 \| good	10.028 \| good	0.899 \| good	5.99 \| good	0.173 \| good
2025-10-23T15:00:00.000Z	27 \| good	4.707 \| good	20.857 \| good	16.593 \| good	0.985 \| good	5.122 \| good	0.176 \| good
2025-10-23T16:00:00.000Z	27 \| good	4.647 \| good	19.919 \| good	22.259 \| good	0.898 \| good	3.85 \| good	0.162 \| good
2025-10-23T17:00:00.000Z	24 \| good	2.551 \| good	10.062 \| good	25.641 \| good	0.811 \| good	2.578 \| good	0.147 \| good
2025-10-23T18:00:00.000Z	27 \| good	3.354 \| good	14.926 \| good	28.815 \| good	0.724 \| good	1.306 \| good	0.132 \| good
2025-10-23T19:00:00.000Z	29 \| good	3.473 \| good	15.13 \| good	30.737 \| good	0.691 \| good	1.287 \| good	0.131 \| good
2025-10-23T20:00:00.000Z	30 \| good	3.398 \| good	15.1 \| good	32.315 \| good	0.658 \| good	1.269 \| good	0.13 \| good
2025-10-23T21:00:00.000Z	29 \| good	2.324 \| good	9.937 \| good	30.912 \| good	0.625 \| good	1.251 \| good	0.129 \| good
2025-10-23T22:00:00.000Z	38 \| good	7.201 \| good	31.837 \| good	27.016 \| good	0.671 \| good	5.204 \| good	0.162 \| good
2025-10-23T23:00:00.000Z	44 \| good	7.988 \| good	35.087 \| good	16.787 \| good	0.718 \| good	9.157 \| good	0.195 \| good
2025-10-24T00:00:00.000Z	56 \| moderate	12.229 \| fine	54.65 \| good	8.786 \| good	0.764 \| good	13.11 \| good	0.229 \| good
2025-10-24T01:00:00.000Z	58 \| moderate	13.305 \| fine	60.485 \| fine	5.82 \| good	0.905 \| good	17.144 \| good	0.261 \| good
2025-10-24T02:00:00.000Z	64 \| moderate	16.06 \| fine	70.614 \| fine	5.935 \| good	1.046 \| good	21.178 \| good	0.293 \| good
2025-10-24T03:00:00.000Z	66 \| moderate	16.599 \| fine	72.797 \| fine	6.603 \| good	1.186 \| good	25.212 \| good	0.325 \| good
2025-10-24T04:00:00.000Z	58 \| moderate	13.352 \| fine	61.01 \| fine	8.98 \| good	1.173 \| good	24.943 \| good	0.326 \| good
2025-10-24T05:00:00.000Z	54 \| moderate	10.812 \| good	48.278 \| good	11.123 \| good	1.16 \| good	24.674 \| good	0.328 \| good
2025-10-24T06:00:00.000Z	64 \| moderate	15.914 \| fine	16.053 \| good	5.371 \| good	1.139 \| good	24.443 \| good	0.328 \| good
2025-10-24T07:00:00.000Z	44 \| good	7.86 \| good	34.14 \| good	13.441 \| good	1.039 \| good	21.162 \| good	0.3 \| good
2025-10-24T08:00:00.000Z	44 \| good	7.952 \| good	35.078 \| good	14.57 \| good	0.932 \| good	17.919 \| good	0.27 \| good
2025-10-24T09:00:00.000Z	44 \| good	7.535 \| good	33.145 \| good	14.597 \| good	0.824 \| good	14.676 \| good	0.241 \| good
2025-10-24T10:00:00.000Z	44 \| good	8.291 \| good	36.107 \| good	11.405 \| good	0.803 \| good	13.72 \| good	0.231 \| good
2025-10-24T11:00:00.000Z	49 \| good	9.385 \| good	42.088 \| good	7.509 \| good	0.783 \| good	12.763 \| good	0.222 \| good
2025-10-24T12:00:00.000Z	54 \| moderate	10.502 \| good	10.685 \| good	13.225 \| good	0.751 \| good	11.698 \| 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 12:00:00 on 2025-10-22.

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

The best air quality in Clayton, Missouri was recorded at 12:00:00 on 2025-10-21.

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

The real-time air quality index in Clayton, Missouri is 20, currently categorized as Good.

Which pollutant is found most often in Clayton, Missouri?

The most common pollutant in Clayton, Missouri is O3.

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 1.727 μg/m³.

What are the current PM₁₀ levels at Clayton, Missouri?

The current PM₁₀ levels in Clayton, Missouri are 8.145 μg/m³.

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

The current carbon monoxide (CO) level in Clayton, Missouri is 0.27 ppm.

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

The current sulfur dioxide (SO₂) levels in Clayton, Missouri are 0.317 ppb.

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

The current ozone (O₃) levels at Clayton, Missouri is 22.211 ppm.

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

The current nitrogen dioxide (NO₂) levels at Clayton, Missouri is 9.234 ppb.

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