What is the current concentration of PM10 in Affton, Missouri?

The current PM10 concentration at Affton, Missouri is 15.829 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in Affton, Missouri?

The current sulfur dioxide (SO2) concentration at Affton, Missouri is 0.296 ppb.

What is the current concentration of ozone (O3) in Affton, Missouri?

The current ozone (O3) concentration at Affton, Missouri is 22.551 ppm.

What is the current concentration of nitrogen dioxide (NO2) in Affton, Missouri?

The current nitrogen dioxide (NO2) concentration at Affton, Missouri is 7.549 ppb.

Affton, Missouri live air quality index now

Q: What is the current concentration of PM2.5 in Affton, Missouri?

The current PM2.5 concentration at Affton, Missouri is 3.25 μg/m3.

Stay updated with real-time air quality in Affton, 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

Affton, Missouri

Last updated: ... (Local time)

Major air pollutants in Affton, Missouri

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

1.63 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

8.65 μg/m³

155

255

425

605+

Ozone (O₃)

25.66 ppb

201

201+

Sulfur Dioxide (SO₂)

0.43 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.59 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Affton, Missouri

Get Live Pollen Counts

Affton, Missouri

Scroll To Air Quality Map

Track live Affton, Missouri air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T17:00:00.000Z	21 \| good	2.052 \| good	6.584 \| good	23.289 \| good	0.658 \| good	3.568 \| good	0.199 \| good
2025-10-20T18:00:00.000Z	28 \| good	2.868 \| good	13.921 \| good	29.88 \| good	0.817 \| good	3.113 \| good	0.197 \| good
2025-10-20T19:00:00.000Z	29 \| good	1.188 \| good	7.007 \| good	30.735 \| good	0.665 \| good	3.424 \| good	0.196 \| good
2025-10-20T20:00:00.000Z	31 \| good	2.149 \| good	10.68 \| good	32.975 \| good	0.675 \| good	3.367 \| good	0.255 \| good
2025-10-20T21:00:00.000Z	31 \| good	2.212 \| good	10.408 \| good	34.273 \| good	0.894 \| good	3.573 \| good	0.198 \| good
2025-10-20T22:00:00.000Z	33 \| good	2.225 \| good	11.011 \| good	35.993 \| good	0.998 \| good	3.575 \| good	0.196 \| good
2025-10-20T23:00:00.000Z	34 \| good	2.091 \| good	13.369 \| good	37.363 \| good	1.07 \| good	3.783 \| good	0.252 \| good
2025-10-21T00:00:00.000Z	34 \| good	1.388 \| good	11.844 \| good	37.186 \| good	1.009 \| good	4.03 \| good	0.252 \| good
2025-10-21T01:00:00.000Z	33 \| good	2.115 \| good	13.733 \| good	36.349 \| good	0.828 \| good	4.957 \| good	0.251 \| good
2025-10-21T02:00:00.000Z	33 \| good	4.282 \| good	13.748 \| good	36.247 \| good	0.853 \| good	4.443 \| good	0.196 \| good
2025-10-21T03:00:00.000Z	35 \| good	1.637 \| good	6.869 \| good	37.996 \| good	0.807 \| good	2.327 \| good	0.14 \| good
2025-10-21T04:00:00.000Z	31 \| good	2.932 \| good	13.346 \| good	33.411 \| good	0.842 \| good	3.237 \| good	0.235 \| good
2025-10-21T05:00:00.000Z	31 \| good	2.331 \| good	14.468 \| good	33.736 \| good	0.817 \| good	2.591 \| good	0.144 \| good
2025-10-21T06:00:00.000Z	30 \| good	2.82 \| good	17.865 \| good	32.217 \| good	1.064 \| good	2.365 \| good	0.145 \| good
2025-10-21T07:00:00.000Z	29 \| good	2.82 \| good	17.865 \| good	31.166 \| good	1.059 \| good	2.363 \| good	0.143 \| good
2025-10-21T08:00:00.000Z	28 \| good	2.82 \| good	17.865 \| good	30.397 \| good	1.058 \| good	2.364 \| good	0.147 \| good
2025-10-21T09:00:00.000Z	30 \| good	2.82 \| good	17.865 \| good	31.869 \| good	0.172 \| good	3.282 \| good	0.221 \| good
2025-10-21T10:00:00.000Z	25 \| good	2.204 \| good	12.323 \| good	27.029 \| good	0.387 \| good	3.687 \| good	0.183 \| good
2025-10-21T11:00:00.000Z	21 \| good	2.162 \| good	12.239 \| good	23.055 \| good	0.409 \| good	4.534 \| good	0.196 \| good
2025-10-21T12:00:00.000Z	22 \| good	2.15 \| good	12.345 \| good	23.693 \| good	0.397 \| good	6.063 \| good	0.253 \| good
2025-10-21T13:00:00.000Z	24 \| good	2.15 \| good	12.345 \| good	26.037 \| good	0.398 \| good	6.144 \| good	0.263 \| good
2025-10-21T14:00:00.000Z	21 \| good	2.831 \| good	11.074 \| good	23.251 \| good	0.68 \| good	6.07 \| good	0.302 \| good
2025-10-21T15:00:00.000Z	23 \| good	2.535 \| good	10.886 \| good	25.002 \| good	2.469 \| good	4.888 \| good	0.253 \| good
2025-10-21T16:00:00.000Z	24 \| good	4.412 \| good	11.695 \| good	26.001 \| good	0.928 \| good	3.298 \| good	0.195 \| good
2025-10-21T17:00:00.000Z	28 \| good	5.259 \| good	14.935 \| good	29.569 \| good	0.563 \| good	2.633 \| good	0.195 \| good
2025-10-21T18:00:00.000Z	30 \| good	3.495 \| good	16.823 \| good	31.657 \| good	0.5 \| good	2.3 \| good	0.158 \| good
2025-10-21T19:00:00.000Z	30 \| good	2.987 \| good	15.195 \| good	32.001 \| good	0.483 \| good	2.565 \| good	0.197 \| good
2025-10-21T20:00:00.000Z	31 \| good	3.713 \| good	15.521 \| good	33.216 \| good	0.475 \| good	2.571 \| good	0.197 \| good
2025-10-21T21:00:00.000Z	31 \| good	2.978 \| good	18.507 \| good	33.028 \| good	0.309 \| good	2.533 \| good	0.14 \| good
2025-10-21T22:00:00.000Z	30 \| good	1.911 \| good	12.262 \| good	32.407 \| good	0.375 \| good	2.716 \| good	0.102 \| good
2025-10-21T23:00:00.000Z	31 \| good	1.632 \| good	13.948 \| good	33.161 \| good	0.37 \| good	2.484 \| good	0.102 \| good
2025-10-22T00:00:00.000Z	31 \| good	2.274 \| good	13.929 \| good	32.919 \| good	0.424 \| good	3.151 \| good	0.102 \| good
2025-10-22T01:00:00.000Z	29 \| good	2.616 \| good	16.415 \| good	31.359 \| good	0.486 \| good	3.607 \| good	0.14 \| good
2025-10-22T02:00:00.000Z	29 \| good	1.554 \| good	10.924 \| good	31.088 \| good	0.477 \| good	4.211 \| good	0.195 \| good
2025-10-22T03:00:00.000Z	23 \| good	1.535 \| good	6.062 \| good	25.066 \| good	0.504 \| good	2.984 \| good	0.135 \| good
2025-10-22T04:00:00.000Z	27 \| good	2.235 \| good	11.03 \| good	28.604 \| good	0.411 \| good	4.722 \| good	0.195 \| good
2025-10-22T05:00:00.000Z	26 \| good	1.302 \| good	11.607 \| good	27.987 \| good	0.449 \| good	3.888 \| good	0.197 \| good
2025-10-22T06:00:00.000Z	24 \| good	1.786 \| good	11.217 \| good	26.462 \| good	0.443 \| good	3.656 \| good	0.195 \| good
2025-10-22T07:00:00.000Z	25 \| good	1.786 \| good	11.217 \| good	26.899 \| good	0.443 \| good	3.648 \| good	0.195 \| good
2025-10-22T08:00:00.000Z	24 \| good	1.786 \| good	11.217 \| good	25.862 \| good	0.445 \| good	3.642 \| good	0.195 \| good
2025-10-22T09:00:00.000Z	24 \| good	1.786 \| good	11.217 \| good	26.257 \| good	0.591 \| good	2.006 \| good	0.167 \| good
2025-10-22T10:00:00.000Z	22 \| good	1.784 \| good	11.621 \| good	24.385 \| good	0.423 \| good	3.373 \| good	0.14 \| good
2025-10-22T11:00:00.000Z	22 \| good	1.868 \| good	12.214 \| good	24.114 \| good	0.418 \| good	3.738 \| good	0.195 \| good
2025-10-22T12:00:00.000Z	22 \| good	2.367 \| good	15.351 \| good	23.966 \| good	0.311 \| good	5.459 \| good	0.25 \| good
2025-10-22T13:00:00.000Z	22 \| good	2.438 \| good	13.329 \| good	23.883 \| good	0.296 \| good	6.612 \| good	0.305 \| good
2025-10-22T14:00:00.000Z	22 \| good	1.969 \| good	12.415 \| good	24.213 \| good	0.621 \| good	5.706 \| good	0.299 \| good
2025-10-22T15:00:00.000Z	24 \| good	1.835 \| good	12.263 \| good	25.84 \| good	0.48 \| good	4.373 \| good	0.25 \| good
2025-10-22T16:00:00.000Z	25 \| good	1.397 \| good	11.352 \| good	26.624 \| good	0.456 \| good	3.501 \| good	0.195 \| good
2025-10-22T16:00:00.000Z	24 \| good	1.625 \| good	8.655 \| good	25.656 \| good	0.435 \| good	4.586 \| good	0.197 \| good
2025-10-22T13:00:00.000Z	19 \| good	2.483 \| good	10.09 \| good	20.719 \| good	0.606 \| good	2.78 \| good	0.129 \| good
2025-10-22T14:00:00.000Z	23 \| good	2.523 \| good	10.102 \| good	25.244 \| good	0.659 \| good	2.707 \| good	0.133 \| good
2025-10-22T15:00:00.000Z	22 \| good	1.75 \| good	7.177 \| good	23.913 \| good	0.712 \| good	2.635 \| good	0.137 \| good
2025-10-22T16:00:00.000Z	21 \| good	1.414 \| good	5.887 \| good	23.392 \| good	0.714 \| good	2.204 \| good	0.132 \| good
2025-10-22T17:00:00.000Z	25 \| good	0.488 \| good	1.968 \| good	26.711 \| good	0.716 \| good	1.773 \| good	0.128 \| good
2025-10-22T18:00:00.000Z	26 \| good	0.224 \| good	0.424 \| good	27.906 \| good	0.719 \| good	1.342 \| good	0.124 \| good
2025-10-22T19:00:00.000Z	29 \| good	0.988 \| good	4.143 \| good	30.97 \| good	0.69 \| good	1.302 \| good	0.124 \| good
2025-10-22T20:00:00.000Z	28 \| good	2.034 \| good	8.021 \| good	30.206 \| good	0.66 \| good	1.262 \| good	0.125 \| good
2025-10-22T21:00:00.000Z	25 \| good	2.011 \| good	8.362 \| good	26.893 \| good	0.631 \| good	1.221 \| good	0.125 \| good
2025-10-22T22:00:00.000Z	25 \| good	1.397 \| good	5.71 \| good	26.547 \| good	0.667 \| good	3.359 \| good	0.144 \| good
2025-10-22T23:00:00.000Z	18 \| good	1.394 \| good	5.728 \| good	19.129 \| good	0.703 \| good	5.497 \| good	0.163 \| good
2025-10-23T00:00:00.000Z	16 \| good	0.851 \| good	3.026 \| good	16.916 \| good	0.738 \| good	7.636 \| good	0.182 \| good
2025-10-23T01:00:00.000Z	15 \| good	0.608 \| good	2.324 \| good	16.106 \| good	0.813 \| good	9.999 \| good	0.203 \| good
2025-10-23T02:00:00.000Z	16 \| good	0.272 \| good	1.161 \| good	17.299 \| good	0.888 \| good	12.363 \| good	0.223 \| good
2025-10-23T03:00:00.000Z	18 \| good	2.055 \| good	8.067 \| good	18.903 \| good	0.963 \| good	14.727 \| good	0.244 \| good
2025-10-23T04:00:00.000Z	17 \| good	1.805 \| good	7.672 \| good	17.537 \| good	0.932 \| good	13.512 \| good	0.234 \| good
2025-10-23T05:00:00.000Z	15 \| good	1.201 \| good	4.861 \| good	16.208 \| good	0.901 \| good	12.296 \| good	0.224 \| good
2025-10-23T06:00:00.000Z	11 \| good	1.739 \| good	7.037 \| good	12.053 \| good	0.87 \| good	11.081 \| good	0.213 \| good
2025-10-23T07:00:00.000Z	11 \| good	1.606 \| good	6.727 \| good	10.387 \| good	0.839 \| good	9.502 \| good	0.197 \| good
2025-10-23T08:00:00.000Z	11 \| good	2.386 \| good	9.876 \| good	9.758 \| good	0.807 \| good	7.923 \| good	0.18 \| good
2025-10-23T09:00:00.000Z	6 \| good	1.348 \| good	5.079 \| good	5.317 \| good	0.776 \| good	6.344 \| good	0.164 \| good
2025-10-23T10:00:00.000Z	16 \| good	2.741 \| good	11.02 \| good	2.49 \| good	0.8 \| good	7.028 \| good	0.167 \| good
2025-10-23T11:00:00.000Z	27 \| good	5.123 \| good	21.932 \| good	1.809 \| good	0.824 \| good	7.713 \| good	0.17 \| good
2025-10-23T12:00:00.000Z	44 \| good	7.572 \| good	33.106 \| good	1.258 \| good	0.848 \| good	8.397 \| good	0.173 \| good
2025-10-23T13:00:00.000Z	38 \| good	7.081 \| good	31.309 \| good	1.551 \| good	0.953 \| good	7.293 \| good	0.174 \| good
2025-10-23T14:00:00.000Z	38 \| good	6.626 \| good	29.296 \| good	8.983 \| good	1.059 \| good	6.189 \| good	0.174 \| good
2025-10-23T15:00:00.000Z	22 \| good	3.609 \| good	15.714 \| good	15.588 \| good	1.164 \| good	5.086 \| good	0.175 \| good
2025-10-23T16:00:00.000Z	22 \| good	3.574 \| good	15.418 \| good	21.032 \| good	1.085 \| good	3.928 \| good	0.161 \| good
2025-10-23T17:00:00.000Z	24 \| good	2.273 \| good	9.25 \| good	26.246 \| good	1.006 \| good	2.771 \| good	0.147 \| good
2025-10-23T18:00:00.000Z	28 \| good	2.693 \| good	11.158 \| good	30.024 \| good	0.928 \| good	1.613 \| good	0.134 \| good
2025-10-23T19:00:00.000Z	31 \| good	3.967 \| good	17.296 \| good	33.217 \| good	0.884 \| good	1.556 \| good	0.132 \| good
2025-10-23T20:00:00.000Z	31 \| good	4.36 \| good	18.992 \| good	33.139 \| good	0.84 \| good	1.499 \| good	0.131 \| good
2025-10-23T21:00:00.000Z	30 \| good	2.904 \| good	12.103 \| good	32.077 \| good	0.797 \| good	1.442 \| good	0.13 \| good
2025-10-23T22:00:00.000Z	52 \| moderate	9.904 \| good	43.872 \| good	26.742 \| good	0.831 \| good	5.182 \| good	0.163 \| good
2025-10-23T23:00:00.000Z	54 \| moderate	11.06 \| good	48.86 \| good	18.211 \| good	0.866 \| good	8.921 \| good	0.196 \| good
2025-10-24T00:00:00.000Z	58 \| moderate	12.838 \| fine	57.69 \| fine	14.043 \| good	0.901 \| good	12.661 \| good	0.229 \| good
2025-10-24T01:00:00.000Z	54 \| moderate	10.875 \| good	48.112 \| good	13.678 \| good	1.041 \| good	16.704 \| good	0.264 \| good
2025-10-24T02:00:00.000Z	52 \| moderate	10.236 \| good	45.901 \| good	14.295 \| good	1.181 \| good	20.747 \| good	0.298 \| good
2025-10-24T03:00:00.000Z	52 \| moderate	10.285 \| good	45.764 \| good	15.691 \| good	1.32 \| good	24.79 \| good	0.333 \| good
2025-10-24T04:00:00.000Z	52 \| moderate	9.997 \| good	44.616 \| good	14.079 \| good	1.339 \| good	24.908 \| good	0.341 \| good
2025-10-24T05:00:00.000Z	49 \| good	9.345 \| good	41.32 \| good	12.641 \| good	1.359 \| good	25.026 \| good	0.349 \| good
2025-10-24T06:00:00.000Z	66 \| moderate	17.185 \| fine	17.324 \| good	5.657 \| good	1.371 \| good	25.11 \| good	0.357 \| good
2025-10-24T07:00:00.000Z	38 \| good	6.774 \| good	30.189 \| good	11.643 \| good	1.299 \| good	23.203 \| good	0.335 \| good
2025-10-24T08:00:00.000Z	33 \| good	5.822 \| good	25.507 \| good	12.008 \| good	1.219 \| good	21.262 \| good	0.312 \| good
2025-10-24T09:00:00.000Z	33 \| good	5.811 \| good	25.333 \| good	10.953 \| good	1.14 \| good	19.32 \| good	0.289 \| good
2025-10-24T10:00:00.000Z	33 \| good	5.653 \| good	24.56 \| good	8.796 \| good	1.092 \| good	17.715 \| good	0.274 \| good
2025-10-24T11:00:00.000Z	38 \| good	7.305 \| good	32.359 \| good	5.616 \| good	1.044 \| good	16.111 \| good	0.259 \| good
2025-10-24T12:00:00.000Z	56 \| moderate	12.344 \| fine	12.52 \| good	11.319 \| good	0.987 \| good	14.423 \| good	0.243 \| good

Affton

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Affton, Missouri air quality map: Track AQI near you

0.20ppm

How accurate is Missouri, USA air quality data?

Air quality data and pollutant measurements for Missouri, 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

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Frequently asked questions

How often is the air quality data for Affton, Missouri updated?

The air quality for Affton, Missouri is updated every hour.

When was the worst air quality at Affton, Missouri in the last 24 hrs?

The worst air quality in Affton, Missouri in the last 24 hours was observed at 12:00:00 on 2025-10-22.

When was the best air quality at Affton, Missouri in the last 24 hrs?

In the last 24 hrs, the best air quality in Affton, Missouri was observed at 02:00:00 on 2025-10-21.

What is the current air quality in Affton, Missouri?

The current air quality in Affton, Missouri is 21, categorized as Good based on real-time data.

What pollutant is the most common in Affton, Missouri?

The most common pollutant in Affton, Missouri is O3.

What should I do if the air quality in Affton, Missouri is poor?

If the air quality in Affton, Missouri is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in Affton, Missouri?

The current PM_2.5 concentration at Affton, Missouri is 3.25 μg/m³.

What is the current concentration of PM₁₀ in Affton, Missouri?

The current PM₁₀ concentration at Affton, Missouri is 15.829 μg/m³.

What is the current concentration of carbon monoxide (CO) in Affton, Missouri?

The current carbon monoxide (CO) concentration at Affton, Missouri is 0.256 ppm.

What is the current concentration of sulfur dioxide (SO₂) in Affton, Missouri?

The current sulfur dioxide (SO₂) concentration at Affton, Missouri is 0.296 ppb.

What is the current concentration of ozone (O₃) in Affton, Missouri?

The current ozone (O₃) concentration at Affton, Missouri is 22.551 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in Affton, Missouri?

The current nitrogen dioxide (NO₂) concentration at Affton, Missouri is 7.549 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T17:00:00.000Z	21 \| good	2.052 \| good	6.584 \| good	23.289 \| good	0.658 \| good	3.568 \| good	0.199 \| good
2025-10-20T18:00:00.000Z	28 \| good	2.868 \| good	13.921 \| good	29.88 \| good	0.817 \| good	3.113 \| good	0.197 \| good
2025-10-20T19:00:00.000Z	29 \| good	1.188 \| good	7.007 \| good	30.735 \| good	0.665 \| good	3.424 \| good	0.196 \| good
2025-10-20T20:00:00.000Z	31 \| good	2.149 \| good	10.68 \| good	32.975 \| good	0.675 \| good	3.367 \| good	0.255 \| good
2025-10-20T21:00:00.000Z	31 \| good	2.212 \| good	10.408 \| good	34.273 \| good	0.894 \| good	3.573 \| good	0.198 \| good
2025-10-20T22:00:00.000Z	33 \| good	2.225 \| good	11.011 \| good	35.993 \| good	0.998 \| good	3.575 \| good	0.196 \| good
2025-10-20T23:00:00.000Z	34 \| good	2.091 \| good	13.369 \| good	37.363 \| good	1.07 \| good	3.783 \| good	0.252 \| good
2025-10-21T00:00:00.000Z	34 \| good	1.388 \| good	11.844 \| good	37.186 \| good	1.009 \| good	4.03 \| good	0.252 \| good
2025-10-21T01:00:00.000Z	33 \| good	2.115 \| good	13.733 \| good	36.349 \| good	0.828 \| good	4.957 \| good	0.251 \| good
2025-10-21T02:00:00.000Z	33 \| good	4.282 \| good	13.748 \| good	36.247 \| good	0.853 \| good	4.443 \| good	0.196 \| good
2025-10-21T03:00:00.000Z	35 \| good	1.637 \| good	6.869 \| good	37.996 \| good	0.807 \| good	2.327 \| good	0.14 \| good
2025-10-21T04:00:00.000Z	31 \| good	2.932 \| good	13.346 \| good	33.411 \| good	0.842 \| good	3.237 \| good	0.235 \| good
2025-10-21T05:00:00.000Z	31 \| good	2.331 \| good	14.468 \| good	33.736 \| good	0.817 \| good	2.591 \| good	0.144 \| good
2025-10-21T06:00:00.000Z	30 \| good	2.82 \| good	17.865 \| good	32.217 \| good	1.064 \| good	2.365 \| good	0.145 \| good
2025-10-21T07:00:00.000Z	29 \| good	2.82 \| good	17.865 \| good	31.166 \| good	1.059 \| good	2.363 \| good	0.143 \| good
2025-10-21T08:00:00.000Z	28 \| good	2.82 \| good	17.865 \| good	30.397 \| good	1.058 \| good	2.364 \| good	0.147 \| good
2025-10-21T09:00:00.000Z	30 \| good	2.82 \| good	17.865 \| good	31.869 \| good	0.172 \| good	3.282 \| good	0.221 \| good
2025-10-21T10:00:00.000Z	25 \| good	2.204 \| good	12.323 \| good	27.029 \| good	0.387 \| good	3.687 \| good	0.183 \| good
2025-10-21T11:00:00.000Z	21 \| good	2.162 \| good	12.239 \| good	23.055 \| good	0.409 \| good	4.534 \| good	0.196 \| good
2025-10-21T12:00:00.000Z	22 \| good	2.15 \| good	12.345 \| good	23.693 \| good	0.397 \| good	6.063 \| good	0.253 \| good
2025-10-21T13:00:00.000Z	24 \| good	2.15 \| good	12.345 \| good	26.037 \| good	0.398 \| good	6.144 \| good	0.263 \| good
2025-10-21T14:00:00.000Z	21 \| good	2.831 \| good	11.074 \| good	23.251 \| good	0.68 \| good	6.07 \| good	0.302 \| good
2025-10-21T15:00:00.000Z	23 \| good	2.535 \| good	10.886 \| good	25.002 \| good	2.469 \| good	4.888 \| good	0.253 \| good
2025-10-21T16:00:00.000Z	24 \| good	4.412 \| good	11.695 \| good	26.001 \| good	0.928 \| good	3.298 \| good	0.195 \| good
2025-10-21T17:00:00.000Z	28 \| good	5.259 \| good	14.935 \| good	29.569 \| good	0.563 \| good	2.633 \| good	0.195 \| good
2025-10-21T18:00:00.000Z	30 \| good	3.495 \| good	16.823 \| good	31.657 \| good	0.5 \| good	2.3 \| good	0.158 \| good
2025-10-21T19:00:00.000Z	30 \| good	2.987 \| good	15.195 \| good	32.001 \| good	0.483 \| good	2.565 \| good	0.197 \| good
2025-10-21T20:00:00.000Z	31 \| good	3.713 \| good	15.521 \| good	33.216 \| good	0.475 \| good	2.571 \| good	0.197 \| good
2025-10-21T21:00:00.000Z	31 \| good	2.978 \| good	18.507 \| good	33.028 \| good	0.309 \| good	2.533 \| good	0.14 \| good
2025-10-21T22:00:00.000Z	30 \| good	1.911 \| good	12.262 \| good	32.407 \| good	0.375 \| good	2.716 \| good	0.102 \| good
2025-10-21T23:00:00.000Z	31 \| good	1.632 \| good	13.948 \| good	33.161 \| good	0.37 \| good	2.484 \| good	0.102 \| good
2025-10-22T00:00:00.000Z	31 \| good	2.274 \| good	13.929 \| good	32.919 \| good	0.424 \| good	3.151 \| good	0.102 \| good
2025-10-22T01:00:00.000Z	29 \| good	2.616 \| good	16.415 \| good	31.359 \| good	0.486 \| good	3.607 \| good	0.14 \| good
2025-10-22T02:00:00.000Z	29 \| good	1.554 \| good	10.924 \| good	31.088 \| good	0.477 \| good	4.211 \| good	0.195 \| good
2025-10-22T03:00:00.000Z	23 \| good	1.535 \| good	6.062 \| good	25.066 \| good	0.504 \| good	2.984 \| good	0.135 \| good
2025-10-22T04:00:00.000Z	27 \| good	2.235 \| good	11.03 \| good	28.604 \| good	0.411 \| good	4.722 \| good	0.195 \| good
2025-10-22T05:00:00.000Z	26 \| good	1.302 \| good	11.607 \| good	27.987 \| good	0.449 \| good	3.888 \| good	0.197 \| good
2025-10-22T06:00:00.000Z	24 \| good	1.786 \| good	11.217 \| good	26.462 \| good	0.443 \| good	3.656 \| good	0.195 \| good
2025-10-22T07:00:00.000Z	25 \| good	1.786 \| good	11.217 \| good	26.899 \| good	0.443 \| good	3.648 \| good	0.195 \| good
2025-10-22T08:00:00.000Z	24 \| good	1.786 \| good	11.217 \| good	25.862 \| good	0.445 \| good	3.642 \| good	0.195 \| good
2025-10-22T09:00:00.000Z	24 \| good	1.786 \| good	11.217 \| good	26.257 \| good	0.591 \| good	2.006 \| good	0.167 \| good
2025-10-22T10:00:00.000Z	22 \| good	1.784 \| good	11.621 \| good	24.385 \| good	0.423 \| good	3.373 \| good	0.14 \| good
2025-10-22T11:00:00.000Z	22 \| good	1.868 \| good	12.214 \| good	24.114 \| good	0.418 \| good	3.738 \| good	0.195 \| good
2025-10-22T12:00:00.000Z	22 \| good	2.367 \| good	15.351 \| good	23.966 \| good	0.311 \| good	5.459 \| good	0.25 \| good
2025-10-22T13:00:00.000Z	22 \| good	2.438 \| good	13.329 \| good	23.883 \| good	0.296 \| good	6.612 \| good	0.305 \| good
2025-10-22T14:00:00.000Z	22 \| good	1.969 \| good	12.415 \| good	24.213 \| good	0.621 \| good	5.706 \| good	0.299 \| good
2025-10-22T15:00:00.000Z	24 \| good	1.835 \| good	12.263 \| good	25.84 \| good	0.48 \| good	4.373 \| good	0.25 \| good
2025-10-22T16:00:00.000Z	25 \| good	1.397 \| good	11.352 \| good	26.624 \| good	0.456 \| good	3.501 \| good	0.195 \| good
2025-10-22T16:00:00.000Z	24 \| good	1.625 \| good	8.655 \| good	25.656 \| good	0.435 \| good	4.586 \| good	0.197 \| good
2025-10-22T13:00:00.000Z	19 \| good	2.483 \| good	10.09 \| good	20.719 \| good	0.606 \| good	2.78 \| good	0.129 \| good
2025-10-22T14:00:00.000Z	23 \| good	2.523 \| good	10.102 \| good	25.244 \| good	0.659 \| good	2.707 \| good	0.133 \| good
2025-10-22T15:00:00.000Z	22 \| good	1.75 \| good	7.177 \| good	23.913 \| good	0.712 \| good	2.635 \| good	0.137 \| good
2025-10-22T16:00:00.000Z	21 \| good	1.414 \| good	5.887 \| good	23.392 \| good	0.714 \| good	2.204 \| good	0.132 \| good
2025-10-22T17:00:00.000Z	25 \| good	0.488 \| good	1.968 \| good	26.711 \| good	0.716 \| good	1.773 \| good	0.128 \| good
2025-10-22T18:00:00.000Z	26 \| good	0.224 \| good	0.424 \| good	27.906 \| good	0.719 \| good	1.342 \| good	0.124 \| good
2025-10-22T19:00:00.000Z	29 \| good	0.988 \| good	4.143 \| good	30.97 \| good	0.69 \| good	1.302 \| good	0.124 \| good
2025-10-22T20:00:00.000Z	28 \| good	2.034 \| good	8.021 \| good	30.206 \| good	0.66 \| good	1.262 \| good	0.125 \| good
2025-10-22T21:00:00.000Z	25 \| good	2.011 \| good	8.362 \| good	26.893 \| good	0.631 \| good	1.221 \| good	0.125 \| good
2025-10-22T22:00:00.000Z	25 \| good	1.397 \| good	5.71 \| good	26.547 \| good	0.667 \| good	3.359 \| good	0.144 \| good
2025-10-22T23:00:00.000Z	18 \| good	1.394 \| good	5.728 \| good	19.129 \| good	0.703 \| good	5.497 \| good	0.163 \| good
2025-10-23T00:00:00.000Z	16 \| good	0.851 \| good	3.026 \| good	16.916 \| good	0.738 \| good	7.636 \| good	0.182 \| good
2025-10-23T01:00:00.000Z	15 \| good	0.608 \| good	2.324 \| good	16.106 \| good	0.813 \| good	9.999 \| good	0.203 \| good
2025-10-23T02:00:00.000Z	16 \| good	0.272 \| good	1.161 \| good	17.299 \| good	0.888 \| good	12.363 \| good	0.223 \| good
2025-10-23T03:00:00.000Z	18 \| good	2.055 \| good	8.067 \| good	18.903 \| good	0.963 \| good	14.727 \| good	0.244 \| good
2025-10-23T04:00:00.000Z	17 \| good	1.805 \| good	7.672 \| good	17.537 \| good	0.932 \| good	13.512 \| good	0.234 \| good
2025-10-23T05:00:00.000Z	15 \| good	1.201 \| good	4.861 \| good	16.208 \| good	0.901 \| good	12.296 \| good	0.224 \| good
2025-10-23T06:00:00.000Z	11 \| good	1.739 \| good	7.037 \| good	12.053 \| good	0.87 \| good	11.081 \| good	0.213 \| good
2025-10-23T07:00:00.000Z	11 \| good	1.606 \| good	6.727 \| good	10.387 \| good	0.839 \| good	9.502 \| good	0.197 \| good
2025-10-23T08:00:00.000Z	11 \| good	2.386 \| good	9.876 \| good	9.758 \| good	0.807 \| good	7.923 \| good	0.18 \| good
2025-10-23T09:00:00.000Z	6 \| good	1.348 \| good	5.079 \| good	5.317 \| good	0.776 \| good	6.344 \| good	0.164 \| good
2025-10-23T10:00:00.000Z	16 \| good	2.741 \| good	11.02 \| good	2.49 \| good	0.8 \| good	7.028 \| good	0.167 \| good
2025-10-23T11:00:00.000Z	27 \| good	5.123 \| good	21.932 \| good	1.809 \| good	0.824 \| good	7.713 \| good	0.17 \| good
2025-10-23T12:00:00.000Z	44 \| good	7.572 \| good	33.106 \| good	1.258 \| good	0.848 \| good	8.397 \| good	0.173 \| good
2025-10-23T13:00:00.000Z	38 \| good	7.081 \| good	31.309 \| good	1.551 \| good	0.953 \| good	7.293 \| good	0.174 \| good
2025-10-23T14:00:00.000Z	38 \| good	6.626 \| good	29.296 \| good	8.983 \| good	1.059 \| good	6.189 \| good	0.174 \| good
2025-10-23T15:00:00.000Z	22 \| good	3.609 \| good	15.714 \| good	15.588 \| good	1.164 \| good	5.086 \| good	0.175 \| good
2025-10-23T16:00:00.000Z	22 \| good	3.574 \| good	15.418 \| good	21.032 \| good	1.085 \| good	3.928 \| good	0.161 \| good
2025-10-23T17:00:00.000Z	24 \| good	2.273 \| good	9.25 \| good	26.246 \| good	1.006 \| good	2.771 \| good	0.147 \| good
2025-10-23T18:00:00.000Z	28 \| good	2.693 \| good	11.158 \| good	30.024 \| good	0.928 \| good	1.613 \| good	0.134 \| good
2025-10-23T19:00:00.000Z	31 \| good	3.967 \| good	17.296 \| good	33.217 \| good	0.884 \| good	1.556 \| good	0.132 \| good
2025-10-23T20:00:00.000Z	31 \| good	4.36 \| good	18.992 \| good	33.139 \| good	0.84 \| good	1.499 \| good	0.131 \| good
2025-10-23T21:00:00.000Z	30 \| good	2.904 \| good	12.103 \| good	32.077 \| good	0.797 \| good	1.442 \| good	0.13 \| good
2025-10-23T22:00:00.000Z	52 \| moderate	9.904 \| good	43.872 \| good	26.742 \| good	0.831 \| good	5.182 \| good	0.163 \| good
2025-10-23T23:00:00.000Z	54 \| moderate	11.06 \| good	48.86 \| good	18.211 \| good	0.866 \| good	8.921 \| good	0.196 \| good
2025-10-24T00:00:00.000Z	58 \| moderate	12.838 \| fine	57.69 \| fine	14.043 \| good	0.901 \| good	12.661 \| good	0.229 \| good
2025-10-24T01:00:00.000Z	54 \| moderate	10.875 \| good	48.112 \| good	13.678 \| good	1.041 \| good	16.704 \| good	0.264 \| good
2025-10-24T02:00:00.000Z	52 \| moderate	10.236 \| good	45.901 \| good	14.295 \| good	1.181 \| good	20.747 \| good	0.298 \| good
2025-10-24T03:00:00.000Z	52 \| moderate	10.285 \| good	45.764 \| good	15.691 \| good	1.32 \| good	24.79 \| good	0.333 \| good
2025-10-24T04:00:00.000Z	52 \| moderate	9.997 \| good	44.616 \| good	14.079 \| good	1.339 \| good	24.908 \| good	0.341 \| good
2025-10-24T05:00:00.000Z	49 \| good	9.345 \| good	41.32 \| good	12.641 \| good	1.359 \| good	25.026 \| good	0.349 \| good
2025-10-24T06:00:00.000Z	66 \| moderate	17.185 \| fine	17.324 \| good	5.657 \| good	1.371 \| good	25.11 \| good	0.357 \| good
2025-10-24T07:00:00.000Z	38 \| good	6.774 \| good	30.189 \| good	11.643 \| good	1.299 \| good	23.203 \| good	0.335 \| good
2025-10-24T08:00:00.000Z	33 \| good	5.822 \| good	25.507 \| good	12.008 \| good	1.219 \| good	21.262 \| good	0.312 \| good
2025-10-24T09:00:00.000Z	33 \| good	5.811 \| good	25.333 \| good	10.953 \| good	1.14 \| good	19.32 \| good	0.289 \| good
2025-10-24T10:00:00.000Z	33 \| good	5.653 \| good	24.56 \| good	8.796 \| good	1.092 \| good	17.715 \| good	0.274 \| good
2025-10-24T11:00:00.000Z	38 \| good	7.305 \| good	32.359 \| good	5.616 \| good	1.044 \| good	16.111 \| good	0.259 \| good
2025-10-24T12:00:00.000Z	56 \| moderate	12.344 \| fine	12.52 \| good	11.319 \| good	0.987 \| good	14.423 \| good	0.243 \| good

Affton, Missouri live air quality index now

Major air pollutants in Affton, Missouri

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Air quality in nearby cities

Crestwood, Missouri

Lemay, Missouri

Mehlville, Missouri

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Webster Groves, Missouri

Kirkwood, Missouri

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What is the current concentration of PM10 in Affton, Missouri?

What is the current concentration of carbon monoxide (CO) in Affton, Missouri?

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What is the current concentration of ozone (O3) in Affton, Missouri?

What is the current concentration of nitrogen dioxide (NO2) in Affton, Missouri?

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 Affton, Missouri?

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What is the current concentration of nitrogen dioxide (NO₂) in Affton, Missouri?