What are the current PM10 levels at Clayton, Missouri?

The current PM10 levels in Clayton, Missouri are 54.483 μg/m3.

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

The current sulfur dioxide (SO2) levels in Clayton, Missouri are 0.931 ppb.

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

The current ozone (O3) levels at Clayton, Missouri is 14.52 ppm.

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

The current nitrogen dioxide (NO2) levels at Clayton, Missouri is 11.379 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 12.564 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)

Moderate

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)

12.56 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

54.48 μg/m³

155

255

425

605+

Ozone (O₃)

14.52 ppb

201

201+

Sulfur Dioxide (SO₂)

0.93 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.38 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 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
2025-12-05T09:00:00.000Z	49 \| good	8.833 \| good	39.513 \| good	14.22 \| good	0.898 \| good	28.433 \| good	0.295 \| good
2025-12-05T10:00:00.000Z	52 \| moderate	10.104 \| good	45.536 \| good	16.488 \| good	0.721 \| good	24.886 \| good	0.295 \| good
2025-12-05T11:00:00.000Z	52 \| moderate	10.238 \| good	45.209 \| good	7.854 \| good	1.106 \| good	31.327 \| good	0.318 \| good
2025-12-05T12:00:00.000Z	56 \| moderate	11.626 \| good	51.033 \| good	5.441 \| good	0.894 \| good	31.774 \| good	0.392 \| good
2025-12-05T13:00:00.000Z	56 \| moderate	12.164 \| fine	52.49 \| good	4.981 \| good	0.694 \| good	29.366 \| good	0.465 \| good
2025-12-05T14:00:00.000Z	58 \| moderate	13.325 \| fine	58.285 \| fine	7.134 \| good	1.346 \| good	25.188 \| good	0.545 \| good
2025-12-05T15:00:00.000Z	62 \| moderate	15.308 \| fine	67.825 \| fine	8.485 \| good	1.977 \| good	19.32 \| good	0.444 \| good
2025-12-05T16:00:00.000Z	66 \| moderate	17.196 \| fine	74.898 \| fine	14.024 \| good	0.595 \| good	16.06 \| good	0.37 \| good
2025-12-05T17:00:00.000Z	66 \| moderate	17.092 \| fine	74.494 \| fine	16.496 \| good	1.012 \| good	14.932 \| good	0.442 \| good
2025-12-05T18:00:00.000Z	64 \| moderate	15.516 \| fine	68.848 \| fine	20.566 \| good	1.863 \| good	13.105 \| good	0.368 \| good
2025-12-05T19:00:00.000Z	60 \| moderate	14.036 \| fine	61.864 \| fine	19.821 \| good	0.903 \| good	12.486 \| good	0.344 \| good
2025-12-05T20:00:00.000Z	56 \| moderate	12.181 \| fine	54.079 \| good	23.86 \| good	1.265 \| good	11.214 \| good	0.345 \| good
2025-12-05T21:00:00.000Z	60 \| moderate	13.709 \| fine	60.375 \| fine	21.573 \| good	1.381 \| good	10.734 \| good	0.344 \| good
2025-12-05T22:00:00.000Z	58 \| moderate	12.809 \| fine	57.306 \| fine	21.875 \| good	0.789 \| good	13.123 \| good	0.345 \| good
2025-12-05T23:00:00.000Z	56 \| moderate	11.572 \| good	52.253 \| good	17.102 \| good	0.619 \| good	15.316 \| good	0.441 \| good
2025-12-06T00:00:00.000Z	54 \| moderate	10.685 \| good	46.55 \| good	15.973 \| good	0.73 \| good	17.358 \| good	0.466 \| good
2025-12-06T01:00:00.000Z	52 \| moderate	9.81 \| good	43.729 \| good	18.75 \| good	0.631 \| good	19.102 \| good	0.442 \| good
2025-12-06T02:00:00.000Z	49 \| good	9.106 \| good	40.464 \| good	18.438 \| good	1.277 \| good	21.021 \| good	0.442 \| good
2025-12-06T03:00:00.000Z	52 \| moderate	10.49 \| good	46.163 \| good	16.262 \| good	1.274 \| good	15.203 \| good	0.296 \| good
2025-12-06T04:00:00.000Z	56 \| moderate	11.886 \| good	52.789 \| good	19.674 \| good	1.364 \| good	16.973 \| good	0.296 \| good
2025-12-06T05:00:00.000Z	54 \| moderate	10.514 \| good	45.808 \| good	14.673 \| good	1.431 \| good	19.377 \| good	0.32 \| good
2025-12-06T06:00:00.000Z	49 \| good	9.403 \| good	41.454 \| good	14.245 \| good	0.68 \| good	13.962 \| good	0.224 \| good
2025-12-06T07:00:00.000Z	49 \| good	9.403 \| good	41.454 \| good	13.572 \| good	0.677 \| good	13.767 \| good	0.221 \| good
2025-12-06T08:00:00.000Z	49 \| good	9.403 \| good	41.454 \| good	13.213 \| good	0.676 \| good	13.524 \| good	0.221 \| good
2025-12-06T09:00:00.000Z	49 \| good	9.416 \| good	40.523 \| good	15.571 \| good	0.618 \| good	9.536 \| good	0.221 \| good
2025-12-06T10:00:00.000Z	49 \| good	9.45 \| good	40.997 \| good	13.343 \| good	0.553 \| good	10.562 \| good	0.221 \| good
2025-12-06T11:00:00.000Z	52 \| moderate	10.085 \| good	42.679 \| good	12.919 \| good	0.51 \| good	10.247 \| good	0.245 \| good
2025-12-06T12:00:00.000Z	52 \| moderate	10.167 \| good	43.716 \| good	9.578 \| good	0.436 \| good	12.105 \| good	0.221 \| good
2025-12-06T13:00:00.000Z	52 \| moderate	10.476 \| good	44.795 \| good	7.91 \| good	0.438 \| good	13.59 \| good	0.294 \| good
2025-12-06T14:00:00.000Z	52 \| moderate	9.872 \| good	42.755 \| good	6.935 \| good	0.495 \| good	13.612 \| good	0.368 \| good
2025-12-06T15:00:00.000Z	56 \| moderate	11.838 \| good	50.281 \| good	10.59 \| good	0.563 \| good	9.648 \| good	0.294 \| good
2025-12-06T16:00:00.000Z	52 \| moderate	9.576 \| good	41.069 \| good	10.556 \| good	0.578 \| good	7.716 \| good	0.295 \| good
2025-12-06T17:00:00.000Z	54 \| moderate	10.541 \| good	45.96 \| good	13.396 \| good	1.25 \| good	8.014 \| good	0.295 \| good
2025-12-06T18:00:00.000Z	56 \| moderate	11.921 \| good	51.769 \| good	17.14 \| good	1.955 \| good	7.634 \| good	0.295 \| good
2025-12-06T19:00:00.000Z	54 \| moderate	10.838 \| good	47.02 \| good	18.893 \| good	4.863 \| good	6.744 \| good	0.296 \| good
2025-12-06T20:00:00.000Z	54 \| moderate	10.931 \| good	47.471 \| good	21.392 \| good	2.83 \| good	8.085 \| good	0.343 \| good
2025-12-06T21:00:00.000Z	54 \| moderate	10.898 \| good	47.368 \| good	24.119 \| good	1.545 \| good	7.568 \| good	0.27 \| good
2025-12-06T22:00:00.000Z	52 \| moderate	10.476 \| good	45.868 \| good	14.246 \| good	1.187 \| good	10.703 \| good	0.368 \| good
2025-12-06T23:00:00.000Z	49 \| good	8.874 \| good	38.106 \| good	16.207 \| good	0.624 \| good	14.546 \| good	0.369 \| good
2025-12-07T00:00:00.000Z	44 \| good	8.228 \| good	36.07 \| good	19.084 \| good	0.911 \| good	15.186 \| good	0.369 \| good
2025-12-07T01:00:00.000Z	52 \| moderate	10.479 \| good	45.705 \| good	20.405 \| good	1.101 \| good	11.96 \| good	0.295 \| good
2025-12-07T02:00:00.000Z	49 \| good	8.694 \| good	37.106 \| good	16.328 \| good	1.142 \| good	10.631 \| good	0.297 \| good
2025-12-07T03:00:00.000Z	52 \| moderate	9.892 \| good	43.358 \| good	14.529 \| good	0.841 \| good	9.262 \| good	0.273 \| good
2025-12-07T04:00:00.000Z	52 \| moderate	9.892 \| good	43.358 \| good	17.24 \| good	0.786 \| good	9.287 \| good	0.273 \| good
2025-12-07T05:00:00.000Z	58 \| moderate	12.564 \| fine	54.483 \| good	18.517 \| good	0.95 \| good	11.159 \| good	0.297 \| good
2025-12-07T06:00:00.000Z	58 \| moderate	12.564 \| fine	54.483 \| good	17.063 \| good	0.933 \| good	11.274 \| good	0.295 \| good
2025-12-07T07:00:00.000Z	58 \| moderate	12.564 \| fine	54.483 \| good	14.52 \| good	0.931 \| good	11.379 \| good	0.297 \| good
2025-12-07T08:00:00.000Z	58 \| moderate	12.564 \| fine	54.483 \| good	14.52 \| good	0.931 \| good	11.379 \| good	0.297 \| good
2025-12-07T09:00:00.000Z	64 \| moderate	15.849 \| fine	70.45 \| fine	8.974 \| good	0.647 \| good	5.452 \| good	0.205 \| good
2025-12-07T10:00:00.000Z	66 \| moderate	17.062 \| fine	75.584 \| fine	8.115 \| good	0.678 \| good	6.184 \| good	0.208 \| good
2025-12-07T11:00:00.000Z	66 \| moderate	17.448 \| fine	77.659 \| fine	2.893 \| good	0.71 \| good	6.916 \| good	0.21 \| good
2025-12-07T12:00:00.000Z	66 \| moderate	16.773 \| fine	74.687 \| fine	3.36 \| good	0.741 \| good	7.647 \| good	0.213 \| good
2025-12-07T13:00:00.000Z	69 \| moderate	18.593 \| fine	81.889 \| fine	2.935 \| good	0.818 \| good	9.183 \| good	0.242 \| good
2025-12-07T14:00:00.000Z	75 \| moderate	21.527 \| fine	94.658 \| fine	4.105 \| good	0.895 \| good	10.718 \| good	0.27 \| good
2025-12-07T15:00:00.000Z	81 \| moderate	24.775 \| fine	108.619 \| fine	7.872 \| good	0.973 \| good	12.254 \| good	0.299 \| good
2025-12-07T16:00:00.000Z	75 \| moderate	21.678 \| fine	95.185 \| fine	15.183 \| good	0.926 \| good	10.217 \| good	0.276 \| good
2025-12-07T17:00:00.000Z	75 \| moderate	21.531 \| fine	94.605 \| fine	15.021 \| good	0.879 \| good	8.181 \| good	0.252 \| good
2025-12-07T18:00:00.000Z	77 \| moderate	23.059 \| fine	101.055 \| fine	14.073 \| good	0.832 \| good	6.145 \| good	0.228 \| good
2025-12-07T19:00:00.000Z	75 \| moderate	21.829 \| fine	95.58 \| fine	17.189 \| good	0.988 \| good	6.803 \| good	0.23 \| good
2025-12-07T20:00:00.000Z	67 \| moderate	18.023 \| fine	79.502 \| fine	18.91 \| good	1.145 \| good	7.461 \| good	0.232 \| good
2025-12-07T21:00:00.000Z	58 \| moderate	13.093 \| fine	59.138 \| fine	18.645 \| good	1.301 \| good	8.119 \| good	0.233 \| good
2025-12-07T22:00:00.000Z	49 \| good	9.406 \| good	41.499 \| good	19.763 \| good	1.237 \| good	7.954 \| good	0.229 \| good
2025-12-07T23:00:00.000Z	52 \| moderate	9.521 \| good	42.072 \| good	20.099 \| good	1.174 \| good	7.789 \| good	0.225 \| good
2025-12-08T00:00:00.000Z	52 \| moderate	9.874 \| good	43.716 \| good	19.746 \| good	1.11 \| good	7.624 \| good	0.221 \| good
2025-12-08T01:00:00.000Z	44 \| good	8.276 \| good	36.353 \| good	20.73 \| good	1.02 \| good	6.714 \| good	0.215 \| good
2025-12-08T02:00:00.000Z	44 \| good	7.832 \| good	34.342 \| good	15.358 \| good	0.93 \| good	5.805 \| good	0.21 \| good
2025-12-08T03:00:00.000Z	44 \| good	7.528 \| good	33.163 \| good	15.418 \| good	0.84 \| good	4.896 \| good	0.205 \| good
2025-12-08T04:00:00.000Z	38 \| good	7.285 \| good	32.053 \| good	16.607 \| good	0.828 \| good	4.693 \| good	0.203 \| good
2025-12-08T05:00:00.000Z	49 \| good	8.642 \| good	37.839 \| good	17.9 \| good	0.815 \| good	4.491 \| good	0.202 \| good
2025-12-08T06:00:00.000Z	38 \| good	7.439 \| good	32.636 \| good	18.994 \| good	0.803 \| good	4.288 \| good	0.2 \| good
2025-12-08T07:00:00.000Z	33 \| good	5.67 \| good	24.571 \| good	18.985 \| good	0.795 \| good	4.21 \| good	0.199 \| good
2025-12-08T08:00:00.000Z	33 \| good	5.67 \| good	24.528 \| good	16.638 \| good	0.788 \| good	4.132 \| good	0.197 \| good
2025-12-08T09:00:00.000Z	38 \| good	6.919 \| good	30.779 \| good	16.31 \| good	0.78 \| good	4.055 \| good	0.195 \| good
2025-12-08T10:00:00.000Z	44 \| good	8.475 \| good	37.079 \| good	13.353 \| good	0.789 \| good	4.299 \| good	0.195 \| good
2025-12-08T11:00:00.000Z	38 \| good	7.385 \| good	32.205 \| good	15.069 \| good	0.797 \| good	4.544 \| good	0.196 \| good
2025-12-08T12:00:00.000Z	49 \| good	8.603 \| good	37.459 \| good	15.515 \| good	0.806 \| good	4.788 \| good	0.196 \| good
2025-12-08T13:00:00.000Z	52 \| moderate	9.55 \| good	42.811 \| good	14.733 \| good	0.935 \| good	5.526 \| good	0.205 \| good
2025-12-08T14:00:00.000Z	49 \| good	9.052 \| good	40.133 \| good	15.819 \| good	1.064 \| good	6.265 \| good	0.214 \| good
2025-12-08T15:00:00.000Z	49 \| good	9.091 \| good	40.218 \| good	14.241 \| good	1.193 \| good	7.003 \| good	0.222 \| good
2025-12-08T16:00:00.000Z	49 \| good	8.959 \| good	39.596 \| good	14.941 \| good	1.506 \| good	6.504 \| good	0.215 \| good
2025-12-08T17:00:00.000Z	54 \| moderate	10.727 \| good	47.36 \| good	13.793 \| good	1.819 \| good	6.005 \| good	0.207 \| good
2025-12-08T18:00:00.000Z	54 \| moderate	10.89 \| good	48.045 \| good	15.175 \| good	2.132 \| good	5.505 \| good	0.2 \| good
2025-12-08T19:00:00.000Z	54 \| moderate	10.815 \| good	47.975 \| good	17.747 \| good	2.341 \| good	6.194 \| good	0.202 \| good
2025-12-08T20:00:00.000Z	52 \| moderate	10.292 \| good	45.626 \| good	18.541 \| good	2.55 \| good	6.882 \| good	0.205 \| good
2025-12-08T21:00:00.000Z	54 \| moderate	10.721 \| good	47.642 \| good	15.738 \| good	2.759 \| good	7.571 \| good	0.207 \| good
2025-12-08T22:00:00.000Z	56 \| moderate	12.412 \| fine	56.006 \| fine	6.175 \| good	2.742 \| good	13.339 \| good	0.25 \| good
2025-12-08T23:00:00.000Z	64 \| moderate	16.212 \| fine	72.23 \| fine	2.836 \| good	2.725 \| good	19.108 \| good	0.293 \| good
2025-12-09T00:00:00.000Z	79 \| moderate	23.581 \| fine	103.461 \| fine	1.675 \| good	2.708 \| good	24.876 \| good	0.336 \| good
2025-12-09T01:00:00.000Z	77 \| moderate	23.166 \| fine	101.248 \| fine	0.659 \| good	2.741 \| good	21.741 \| good	0.313 \| good
2025-12-09T02:00:00.000Z	69 \| moderate	18.817 \| fine	83.041 \| fine	1.615 \| good	2.774 \| good	18.605 \| good	0.289 \| good
2025-12-09T03:00:00.000Z	62 \| moderate	15.464 \| fine	69.091 \| fine	1.918 \| good	2.807 \| good	15.47 \| good	0.266 \| good
2025-12-09T04:00:00.000Z	58 \| moderate	13.352 \| fine	60.374 \| fine	3.784 \| good	2.321 \| good	12.296 \| good	0.246 \| good
2025-12-09T05:00:00.000Z	60 \| moderate	14.28 \| fine	63.985 \| fine	8.364 \| good	1.835 \| good	9.122 \| good	0.226 \| good
2025-12-09T06:00:00.000Z	49 \| good	8.734 \| good	8.817 \| good	25.398 \| good	1.349 \| good	5.917 \| good	0.205 \| good
2025-12-09T07:00:00.000Z	44 \| good	8.006 \| good	35.153 \| good	18.571 \| good	1.147 \| good	4.788 \| good	0.197 \| good
2025-12-09T08:00:00.000Z	38 \| good	6.864 \| good	30.556 \| good	19.601 \| good	0.944 \| good	3.627 \| good	0.19 \| good

Clayton

Empower business decisions with accurate air quality data

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

0.30ppm

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 07:00:00 on 2025-12-07.

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 2025-12-07.

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

The real-time air quality index in Clayton, Missouri is 58, currently categorized as Moderate.

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 12.564 μg/m³.

What are the current PM₁₀ levels at Clayton, Missouri?

The current PM₁₀ levels in Clayton, Missouri are 54.483 μg/m³.

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

The current carbon monoxide (CO) level in Clayton, Missouri is 0.297 ppm.

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

The current sulfur dioxide (SO₂) levels in Clayton, Missouri are 0.931 ppb.

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

The current ozone (O₃) levels at Clayton, Missouri is 14.52 ppm.

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

The current nitrogen dioxide (NO₂) levels at Clayton, Missouri is 11.379 ppb.

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