What are the current PM10 levels at Clayton, Missouri?

The current PM10 levels in Clayton, Missouri are 39.083 μg/m3.

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

The current sulfur dioxide (SO2) levels in Clayton, Missouri are 1.629 ppb.

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

The current ozone (O3) levels at Clayton, Missouri is 54.019 ppm.

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

The current nitrogen dioxide (NO2) levels at Clayton, Missouri is 4.93 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 8.215 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)

8.21 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

39.08 μg/m³

155

255

425

605+

Ozone (O₃)

54.02 ppb

201

201+

Sulfur Dioxide (SO₂)

1.63 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.93 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
2026-10-20T22:00:00.000Z	44 \| good	4.872 \| good	22.459 \| good	48.167 \| good	1.476 \| good	8.194 \| good	0.2 \| good
2026-10-20T23:00:00.000Z	43 \| good	4.653 \| good	19.766 \| good	46.259 \| good	1.38 \| good	12.081 \| good	0.276 \| good
2026-10-21T00:00:00.000Z	38 \| good	5.77 \| good	24.692 \| good	40.543 \| good	1.292 \| good	22.368 \| good	0.475 \| good
2026-10-21T01:00:00.000Z	44 \| good	7.69 \| good	35.264 \| good	28.597 \| good	0.967 \| good	31.905 \| good	0.641 \| good
2026-10-21T02:00:00.000Z	49 \| good	9.039 \| good	39.673 \| good	19.085 \| good	0.905 \| good	32.26 \| good	0.609 \| good
2026-10-21T03:00:00.000Z	67 \| moderate	17.942 \| fine	79.239 \| fine	6.555 \| good	1.483 \| good	30.063 \| good	0.31 \| good
2026-10-21T04:00:00.000Z	56 \| moderate	12.457 \| fine	55.706 \| fine	13.589 \| good	0.835 \| good	33.567 \| good	0.693 \| good
2026-10-21T05:00:00.000Z	60 \| moderate	14.112 \| fine	60.011 \| fine	9.091 \| good	0.792 \| good	33.662 \| good	0.891 \| good
2026-10-21T06:00:00.000Z	64 \| moderate	15.526 \| fine	62.993 \| fine	7.15 \| good	0.888 \| good	31.18 \| good	1.066 \| good
2026-10-21T07:00:00.000Z	62 \| moderate	15.486 \| fine	64.765 \| fine	7.808 \| good	0.888 \| good	31.179 \| good	1.066 \| good
2026-10-21T08:00:00.000Z	62 \| moderate	15.42 \| fine	64.597 \| fine	9.978 \| good	0.887 \| good	31.098 \| good	1.066 \| good
2026-10-21T09:00:00.000Z	64 \| moderate	15.501 \| fine	67.144 \| fine	7.579 \| good	0.831 \| good	25.689 \| good	0.945 \| good
2026-10-21T10:00:00.000Z	64 \| moderate	15.737 \| fine	67.514 \| fine	5.475 \| good	0.69 \| good	24.887 \| good	0.89 \| good
2026-10-21T11:00:00.000Z	66 \| moderate	16.561 \| fine	65.225 \| fine	6.081 \| good	0.964 \| good	23.839 \| good	0.868 \| good
2026-10-21T12:00:00.000Z	66 \| moderate	16.622 \| fine	68.068 \| fine	4.706 \| good	1.045 \| good	22.65 \| good	0.968 \| good
2026-10-21T13:00:00.000Z	66 \| moderate	16.914 \| fine	69.002 \| fine	5.417 \| good	1.043 \| good	22.526 \| good	0.968 \| good
2026-10-21T14:00:00.000Z	69 \| moderate	18.925 \| fine	81.876 \| fine	5.668 \| good	1.492 \| good	27.019 \| good	1.125 \| good
2026-10-21T15:00:00.000Z	69 \| moderate	19.383 \| fine	87.349 \| fine	8.153 \| good	1.503 \| good	33.527 \| good	0.793 \| good
2026-10-21T16:00:00.000Z	67 \| moderate	18.498 \| fine	77.499 \| fine	10.5 \| good	1.166 \| good	29.416 \| good	0.541 \| good
2026-10-21T17:00:00.000Z	60 \| moderate	13.694 \| fine	56.881 \| fine	20.788 \| good	1.783 \| good	22.79 \| good	0.42 \| good
2026-10-21T18:00:00.000Z	54 \| moderate	10.648 \| good	47.509 \| good	28.933 \| good	2.002 \| good	14.448 \| good	0.299 \| good
2026-10-21T19:00:00.000Z	49 \| good	9.16 \| good	40.312 \| good	39.158 \| good	2.1 \| good	13.191 \| good	0.353 \| good
2026-10-21T20:00:00.000Z	44 \| good	8.232 \| good	36.601 \| good	43.048 \| good	1.35 \| good	12.309 \| good	0.277 \| good
2026-10-21T21:00:00.000Z	45 \| good	8.11 \| good	36.185 \| good	48.936 \| good	1.08 \| good	9.703 \| good	0.277 \| good
2026-10-21T22:00:00.000Z	46 \| good	7.681 \| good	34.758 \| good	50.329 \| good	0.993 \| good	7.809 \| good	0.222 \| good
2026-10-21T23:00:00.000Z	42 \| good	7.065 \| good	34.148 \| good	45.312 \| good	0.893 \| good	7.279 \| good	0.222 \| good
2026-10-22T00:00:00.000Z	34 \| good	6.311 \| good	28.504 \| good	36.978 \| good	0.736 \| good	17.418 \| good	0.299 \| good
2026-10-22T01:00:00.000Z	38 \| good	7.308 \| good	32.757 \| good	29.471 \| good	0.864 \| good	32.301 \| good	0.641 \| good
2026-10-22T02:00:00.000Z	49 \| good	8.725 \| good	35.564 \| good	27.089 \| good	0.744 \| good	32.557 \| good	0.717 \| good
2026-10-22T03:00:00.000Z	66 \| moderate	16.732 \| fine	73.565 \| fine	8.773 \| good	3.591 \| good	47.806 \| good	0.523 \| good
2026-10-22T04:00:00.000Z	56 \| moderate	12.371 \| fine	49.599 \| good	19.665 \| good	1.047 \| good	38.188 \| good	0.959 \| good
2026-10-22T05:00:00.000Z	64 \| moderate	16.248 \| fine	64.979 \| fine	14.792 \| good	0.82 \| good	41.236 \| good	1.067 \| good
2026-10-22T06:00:00.000Z	66 \| moderate	16.705 \| fine	67.087 \| fine	15.062 \| good	0.726 \| good	36.768 \| good	0.918 \| good
2026-10-22T07:00:00.000Z	66 \| moderate	16.765 \| fine	64.456 \| fine	11.234 \| good	0.733 \| good	36.765 \| good	0.918 \| good
2026-10-22T08:00:00.000Z	64 \| moderate	16.141 \| fine	64.608 \| fine	7.317 \| good	0.737 \| good	36.892 \| good	0.914 \| good
2026-10-22T09:00:00.000Z	69 \| moderate	19.054 \| fine	62.68 \| fine	9.109 \| good	0.708 \| good	23.756 \| good	0.784 \| good
2026-10-22T10:00:00.000Z	64 \| moderate	16.371 \| fine	56.872 \| fine	7.248 \| good	0.733 \| good	21.922 \| good	0.684 \| good
2026-10-22T11:00:00.000Z	62 \| moderate	15.139 \| fine	55.536 \| fine	5.872 \| good	0.67 \| good	20.486 \| good	0.687 \| good
2026-10-22T12:00:00.000Z	60 \| moderate	14.333 \| fine	55.121 \| fine	5.995 \| good	0.74 \| good	19.888 \| good	0.764 \| good
2026-10-22T13:00:00.000Z	60 \| moderate	14.321 \| fine	55.687 \| fine	6.499 \| good	0.739 \| good	19.976 \| good	0.762 \| good
2026-10-22T14:00:00.000Z	62 \| moderate	14.73 \| fine	60.706 \| fine	7.727 \| good	0.819 \| good	19.395 \| good	0.948 \| good
2026-10-22T15:00:00.000Z	62 \| moderate	14.931 \| fine	65.061 \| fine	11.566 \| good	1.195 \| good	22.96 \| good	0.744 \| good
2026-10-22T16:00:00.000Z	64 \| moderate	15.997 \| fine	68.065 \| fine	13.258 \| good	1.026 \| good	22.778 \| good	0.739 \| good
2026-10-22T17:00:00.000Z	62 \| moderate	14.78 \| fine	67.174 \| fine	19.259 \| good	3.655 \| good	20.082 \| good	0.541 \| good
2026-10-22T18:00:00.000Z	60 \| moderate	14.454 \| fine	63.261 \| fine	22.969 \| good	4.007 \| good	14.653 \| good	0.463 \| good
2026-10-22T19:00:00.000Z	54 \| moderate	11.186 \| good	52.514 \| good	28.652 \| good	3.984 \| good	7.641 \| good	0.31 \| good
2026-10-22T20:00:00.000Z	49 \| good	8.709 \| good	40.105 \| good	47.777 \| good	2.105 \| good	10.498 \| good	0.2 \| good
2026-10-22T21:00:00.000Z	50 \| good	8.215 \| good	39.083 \| good	54.019 \| good	1.629 \| good	4.93 \| good	0.2 \| good
2026-10-22T21:00:00.000Z	50 \| good	8.215 \| good	39.083 \| good	54.019 \| good	1.629 \| good	4.93 \| good	0.2 \| good
2026-10-22T22:00:00.000Z	60 \| moderate	13.7 \| fine	61.436 \| fine	53.401 \| good	2.258 \| good	3.876 \| good	0.182 \| good
2026-10-22T23:00:00.000Z	62 \| moderate	15.319 \| fine	68.593 \| fine	35.383 \| good	2.186 \| good	15.323 \| good	0.256 \| good
2026-10-23T00:00:00.000Z	60 \| moderate	13.982 \| fine	62.843 \| fine	26.533 \| good	2.331 \| good	29.001 \| good	0.342 \| good
2026-10-23T01:00:00.000Z	58 \| moderate	12.921 \| fine	58.43 \| fine	18.855 \| good	2.451 \| good	40.26 \| good	0.404 \| good
2026-10-23T02:00:00.000Z	60 \| moderate	14.497 \| fine	65.003 \| fine	17.304 \| good	2.478 \| good	43.005 \| good	0.446 \| good
2026-10-23T03:00:00.000Z	62 \| moderate	14.881 \| fine	66.608 \| fine	12.177 \| good	2.414 \| good	42.566 \| good	0.469 \| good
2026-10-23T04:00:00.000Z	58 \| moderate	13.098 \| fine	59.128 \| fine	10.01 \| good	2.31 \| good	41.376 \| good	0.477 \| good
2026-10-23T05:00:00.000Z	56 \| moderate	12.051 \| good	54.084 \| good	10.445 \| good	2.09 \| good	38.737 \| good	0.469 \| good
2026-10-23T06:00:00.000Z	58 \| moderate	13.021 \| fine	59.151 \| fine	10.875 \| good	1.773 \| good	34.339 \| good	0.432 \| good
2026-10-23T07:00:00.000Z	58 \| moderate	13.054 \| fine	58.339 \| fine	10.374 \| good	1.503 \| good	30.155 \| good	0.384 \| good
2026-10-23T08:00:00.000Z	60 \| moderate	13.929 \| fine	62.272 \| fine	9.308 \| good	1.287 \| good	25.252 \| good	0.339 \| good
2026-10-23T09:00:00.000Z	60 \| moderate	14.21 \| fine	63.704 \| fine	8.627 \| good	1.139 \| good	19.818 \| good	0.306 \| good
2026-10-23T10:00:00.000Z	62 \| moderate	14.678 \| fine	65.743 \| fine	8.785 \| good	1.056 \| good	16.804 \| good	0.288 \| good
2026-10-23T11:00:00.000Z	64 \| moderate	16.156 \| fine	71.646 \| fine	4.943 \| good	1.028 \| good	15.727 \| good	0.281 \| good
2026-10-23T12:00:00.000Z	64 \| moderate	16.497 \| fine	73.118 \| fine	1.497 \| good	1.07 \| good	17.172 \| good	0.286 \| good
2026-10-23T13:00:00.000Z	67 \| moderate	18.374 \| fine	81.191 \| fine	10.139 \| good	1.165 \| good	18.285 \| good	0.311 \| good
2026-10-23T14:00:00.000Z	73 \| moderate	20.659 \| fine	90.797 \| fine	20.344 \| good	1.202 \| good	14.252 \| good	0.315 \| good
2026-10-23T15:00:00.000Z	67 \| moderate	17.52 \| fine	77.998 \| fine	28.216 \| good	1.409 \| good	10.694 \| good	0.279 \| good
2026-10-23T16:00:00.000Z	60 \| moderate	14.413 \| fine	64.806 \| fine	38.117 \| good	1.702 \| good	7.566 \| good	0.243 \| good
2026-10-23T17:00:00.000Z	52 \| moderate	10.463 \| good	46.515 \| good	45.384 \| good	2.001 \| good	4.955 \| good	0.214 \| good
2026-10-23T18:00:00.000Z	52 \| moderate	9.986 \| good	44.335 \| good	49.213 \| good	1.931 \| good	2.691 \| good	0.189 \| good
2026-10-23T19:00:00.000Z	54 \| moderate	10.57 \| good	47.012 \| good	50.586 \| good	1.757 \| good	1.982 \| good	0.182 \| good
2026-10-23T20:00:00.000Z	52 \| moderate	10.467 \| good	46.503 \| good	52.569 \| good	1.654 \| good	1.789 \| good	0.18 \| good
2026-10-23T21:00:00.000Z	51 \| moderate	9.4 \| good	42.191 \| good	54.806 \| good	1.607 \| good	1.926 \| good	0.18 \| good
2026-10-23T22:00:00.000Z	54 \| moderate	10.935 \| good	48.573 \| good	48.883 \| good	1.562 \| good	2.733 \| good	0.184 \| good
2026-10-23T23:00:00.000Z	60 \| moderate	14.281 \| fine	64.498 \| fine	31.366 \| good	1.472 \| good	7.003 \| good	0.211 \| good
2026-10-24T00:00:00.000Z	60 \| moderate	13.841 \| fine	62.328 \| fine	25.795 \| good	1.418 \| good	11.005 \| good	0.236 \| good
2026-10-24T01:00:00.000Z	56 \| moderate	11.792 \| good	52.412 \| good	22.821 \| good	1.367 \| good	11.408 \| good	0.235 \| good
2026-10-24T02:00:00.000Z	56 \| moderate	12.258 \| fine	55.012 \| fine	25.944 \| good	1.328 \| good	10.975 \| good	0.232 \| good
2026-10-24T03:00:00.000Z	60 \| moderate	14.284 \| fine	63.706 \| fine	24.547 \| good	1.302 \| good	10.085 \| good	0.227 \| good
2026-10-24T04:00:00.000Z	62 \| moderate	14.518 \| fine	64.626 \| fine	24.782 \| good	1.288 \| good	9.233 \| good	0.223 \| good
2026-10-24T05:00:00.000Z	60 \| moderate	13.703 \| fine	61.849 \| fine	23.384 \| good	1.265 \| good	8.203 \| good	0.221 \| good
2026-10-24T06:00:00.000Z	60 \| moderate	14.171 \| fine	63.582 \| fine	19.799 \| good	1.233 \| good	7.236 \| good	0.219 \| good
2026-10-24T07:00:00.000Z	56 \| moderate	12.141 \| fine	54.014 \| good	16.329 \| good	1.205 \| good	6.805 \| good	0.218 \| good
2026-10-24T08:00:00.000Z	56 \| moderate	11.72 \| good	52.234 \| good	15.519 \| good	1.175 \| good	6.779 \| good	0.219 \| good
2026-10-24T09:00:00.000Z	54 \| moderate	11.389 \| good	50.464 \| good	13.843 \| good	1.144 \| good	7.118 \| good	0.222 \| good
2026-10-24T10:00:00.000Z	54 \| moderate	11.399 \| good	50.441 \| good	10.138 \| good	1.124 \| good	7.586 \| good	0.225 \| good
2026-10-24T11:00:00.000Z	56 \| moderate	12.156 \| fine	54.603 \| good	8.092 \| good	1.12 \| good	8.214 \| good	0.229 \| good
2026-10-24T12:00:00.000Z	52 \| moderate	9.673 \| good	42.981 \| good	5.635 \| good	1.148 \| good	10 \| good	0.237 \| good
2026-10-24T13:00:00.000Z	54 \| moderate	11.046 \| good	48.987 \| good	10.697 \| good	1.199 \| good	11.993 \| good	0.254 \| good
2026-10-24T14:00:00.000Z	60 \| moderate	14.28 \| fine	64.052 \| fine	19.701 \| good	1.219 \| good	10.118 \| good	0.264 \| good
2026-10-24T15:00:00.000Z	56 \| moderate	11.847 \| good	52.771 \| good	26.73 \| good	1.358 \| good	7.518 \| good	0.243 \| good
2026-10-24T16:00:00.000Z	52 \| moderate	9.719 \| good	43.524 \| good	35.489 \| good	1.506 \| good	5.787 \| good	0.226 \| good
2026-10-24T17:00:00.000Z	39 \| good	6.276 \| good	27.924 \| good	41.597 \| good	1.624 \| good	4.151 \| good	0.207 \| good
2026-10-24T18:00:00.000Z	42 \| good	5.672 \| good	24.225 \| good	45.204 \| good	1.613 \| good	2.865 \| good	0.19 \| good
2026-10-24T19:00:00.000Z	45 \| good	7.899 \| good	34.702 \| good	48.5 \| good	1.591 \| good	2.169 \| good	0.179 \| good
2026-10-24T20:00:00.000Z	46 \| good	6.555 \| good	29.417 \| good	49.704 \| good	1.514 \| good	1.999 \| good	0.175 \| good
2026-10-24T21:00:00.000Z	46 \| good	5.734 \| good	24.993 \| good	50.274 \| good	1.434 \| good	2.078 \| good	0.173 \| 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 09:00:00 on 2026-10-22.

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 2026-10-22.

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

The real-time air quality index in Clayton, Missouri is 50, 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 8.215 μg/m³.

What are the current PM₁₀ levels at Clayton, Missouri?

The current PM₁₀ levels in Clayton, Missouri are 39.083 μg/m³.

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

The current carbon monoxide (CO) level in Clayton, Missouri is 0.2 ppm.

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

The current sulfur dioxide (SO₂) levels in Clayton, Missouri are 1.629 ppb.

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

The current ozone (O₃) levels at Clayton, Missouri is 54.019 ppm.

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

The current nitrogen dioxide (NO₂) levels at Clayton, Missouri is 4.93 ppb.

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