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

The current PM10 concentration at Affton, Missouri is 54.044 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Affton, Missouri is 0.861 ppb.

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

The current ozone (O3) concentration at Affton, Missouri is 19.711 ppm.

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

The current nitrogen dioxide (NO2) concentration at Affton, Missouri is 5.111 ppb.

Affton, Missouri live air quality index now

Name: Live air pollution levels in Affton, Missouri today
Creator: Ambee

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)

7.21 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

32.80 μg/m³

155

255

425

605+

Ozone (O₃)

28.31 ppb

201

201+

Sulfur Dioxide (SO₂)

0.29 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.34 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2025-09-03T19:00:00.000Z	43 \| good	3.856 \| good	14.196 \| good	46.3 \| good	2.731 \| good	7.357 \| good	0.257 \| good
2025-09-03T20:00:00.000Z	42 \| good	3.486 \| good	12.167 \| good	45.294 \| good	1.243 \| good	4.829 \| good	0.198 \| good
2025-09-03T21:00:00.000Z	44 \| good	3.91 \| good	13.254 \| good	48.018 \| good	1.536 \| good	3.634 \| good	0.199 \| good
2025-09-03T22:00:00.000Z	43 \| good	3.572 \| good	13.503 \| good	46.354 \| good	1.43 \| good	3.164 \| good	0.198 \| good
2025-09-03T23:00:00.000Z	41 \| good	3.019 \| good	11.644 \| good	43.91 \| good	1.472 \| good	3.402 \| good	0.258 \| good
2025-09-04T00:00:00.000Z	39 \| good	4.342 \| good	18.254 \| good	42.195 \| good	0.565 \| good	4.728 \| good	0.199 \| good
2025-09-04T01:00:00.000Z	36 \| good	3.842 \| good	14.93 \| good	38.556 \| good	0.419 \| good	3.347 \| good	0.199 \| good
2025-09-04T02:00:00.000Z	34 \| good	3.252 \| good	13.972 \| good	36.688 \| good	0.487 \| good	3.789 \| good	0.198 \| good
2025-09-04T03:00:00.000Z	31 \| good	4.054 \| good	15.883 \| good	33.968 \| good	0.526 \| good	4.151 \| good	0.237 \| good
2025-09-04T04:00:00.000Z	31 \| good	3.538 \| good	15.015 \| good	32.731 \| good	0.48 \| good	2.537 \| good	0.198 \| good
2025-09-04T05:00:00.000Z	25 \| good	3.46 \| good	14.765 \| good	27.355 \| good	0.441 \| good	1.963 \| good	0.198 \| good
2025-09-04T06:00:00.000Z	27 \| good	4.699 \| good	21.137 \| good	24.999 \| good	0.36 \| good	1.763 \| good	0.198 \| good
2025-09-04T07:00:00.000Z	27 \| good	4.699 \| good	21.137 \| good	26.294 \| good	0.355 \| good	1.766 \| good	0.199 \| good
2025-09-04T08:00:00.000Z	27 \| good	4.699 \| good	21.137 \| good	23.153 \| good	0.349 \| good	1.768 \| good	0.198 \| good
2025-09-04T09:00:00.000Z	58 \| moderate	13.317 \| fine	54.633 \| good	17.503 \| good	0.378 \| good	3.007 \| good	0.236 \| good
2025-09-04T10:00:00.000Z	62 \| moderate	15.118 \| fine	59.265 \| fine	16.857 \| good	0.323 \| good	3.416 \| good	0.236 \| good
2025-09-04T11:00:00.000Z	60 \| moderate	13.794 \| fine	54.154 \| good	15.273 \| good	0.456 \| good	4.427 \| good	0.237 \| good
2025-09-04T12:00:00.000Z	58 \| moderate	12.526 \| fine	50.781 \| good	15.578 \| good	0.283 \| good	5.739 \| good	0.295 \| good
2025-09-04T13:00:00.000Z	58 \| moderate	12.961 \| fine	58.279 \| fine	19.991 \| good	0.627 \| good	3.028 \| good	0.208 \| good
2025-09-04T14:00:00.000Z	54 \| moderate	10.836 \| good	45.436 \| good	18.709 \| good	0.282 \| good	4.627 \| good	0.301 \| good
2025-09-04T15:00:00.000Z	54 \| moderate	11.221 \| good	47.395 \| good	21.149 \| good	0.509 \| good	3.606 \| good	0.297 \| good
2025-09-04T16:00:00.000Z	49 \| good	9.372 \| good	40.771 \| good	25.707 \| good	0.372 \| good	3.537 \| good	0.237 \| good
2025-09-04T17:00:00.000Z	49 \| good	9.426 \| good	41.366 \| good	29.787 \| good	0.337 \| good	3.19 \| good	0.237 \| good
2025-09-04T18:00:00.000Z	49 \| good	9.062 \| good	37.552 \| good	31.725 \| good	0.365 \| good	3.158 \| good	0.296 \| good
2025-09-04T19:00:00.000Z	49 \| good	8.929 \| good	38.957 \| good	35.119 \| good	0.514 \| good	3.112 \| good	0.297 \| good
2025-09-04T20:00:00.000Z	49 \| good	8.678 \| good	38.321 \| good	38.408 \| good	0.871 \| good	3.257 \| good	0.298 \| good
2025-09-04T21:00:00.000Z	44 \| good	7.831 \| good	32.166 \| good	40.754 \| good	0.654 \| good	3.543 \| good	0.299 \| good
2025-09-04T22:00:00.000Z	44 \| good	7.79 \| good	35.233 \| good	42.942 \| good	2.203 \| good	3.665 \| good	0.298 \| good
2025-09-04T23:00:00.000Z	40 \| good	7.292 \| good	30.952 \| good	43.12 \| good	4.834 \| good	4.322 \| good	0.297 \| good
2025-09-05T00:00:00.000Z	39 \| good	6.387 \| good	26.024 \| good	41.933 \| good	2.443 \| good	5.746 \| good	0.262 \| good
2025-09-05T01:00:00.000Z	49 \| good	8.593 \| good	33.323 \| good	36.645 \| good	2.684 \| good	6.939 \| good	0.359 \| good
2025-09-05T02:00:00.000Z	44 \| good	8.141 \| good	33.231 \| good	34.18 \| good	2.838 \| good	10.142 \| good	0.415 \| good
2025-09-05T03:00:00.000Z	44 \| good	7.816 \| good	31.664 \| good	26.673 \| good	2.406 \| good	15.498 \| good	0.357 \| good
2025-09-05T04:00:00.000Z	52 \| moderate	9.818 \| good	38.252 \| good	26.98 \| good	1.563 \| good	9.199 \| good	0.356 \| good
2025-09-05T05:00:00.000Z	52 \| moderate	10.335 \| good	40.787 \| good	23.325 \| good	0.845 \| good	8.547 \| good	0.356 \| good
2025-09-05T06:00:00.000Z	52 \| moderate	10.189 \| good	42.597 \| good	20.473 \| good	0.604 \| good	9.8 \| good	0.296 \| good
2025-09-05T07:00:00.000Z	52 \| moderate	10.189 \| good	42.597 \| good	22.779 \| good	0.612 \| good	10.14 \| good	0.296 \| good
2025-09-05T08:00:00.000Z	52 \| moderate	10.189 \| good	42.597 \| good	25.233 \| good	0.626 \| good	10.344 \| good	0.297 \| good
2025-09-05T09:00:00.000Z	60 \| moderate	14.128 \| fine	56.045 \| fine	18.896 \| good	0.894 \| good	7.815 \| good	0.294 \| good
2025-09-05T10:00:00.000Z	60 \| moderate	13.738 \| fine	54.044 \| good	19.711 \| good	0.861 \| good	5.111 \| good	0.295 \| good
2025-09-05T11:00:00.000Z	54 \| moderate	11.22 \| good	42.059 \| good	16.415 \| good	0.7 \| good	6.909 \| good	0.295 \| good
2025-09-05T12:00:00.000Z	54 \| moderate	11.447 \| good	44.325 \| good	20.284 \| good	0.422 \| good	5.465 \| good	0.272 \| good
2025-09-05T13:00:00.000Z	54 \| moderate	10.765 \| good	43.544 \| good	20.496 \| good	0.364 \| good	5.44 \| good	0.295 \| good
2025-09-05T14:00:00.000Z	56 \| moderate	11.502 \| good	49.881 \| good	24.568 \| good	0.391 \| good	4.178 \| good	0.297 \| good
2025-09-05T15:00:00.000Z	52 \| moderate	10.213 \| good	45.917 \| good	25.01 \| good	0.34 \| good	3.387 \| good	0.335 \| good
2025-09-05T16:00:00.000Z	44 \| good	7.821 \| good	35.764 \| good	25.859 \| good	0.243 \| good	2.568 \| good	0.298 \| good
2025-09-05T17:00:00.000Z	38 \| good	7.206 \| good	32.8 \| good	28.307 \| good	0.292 \| good	2.337 \| good	0.296 \| good
2025-09-05T18:00:00.000Z	38 \| good	7.206 \| good	32.8 \| good	28.307 \| good	0.292 \| good	2.337 \| good	0.296 \| good
2025-09-05T12:00:00.000Z	38 \| good	6.705 \| good	29.332 \| good	24.061 \| good	0.411 \| good	3.142 \| good	0.208 \| good
2025-09-05T13:00:00.000Z	52 \| moderate	9.844 \| good	43.628 \| good	32.969 \| good	0.504 \| good	2.876 \| good	0.212 \| good
2025-09-05T14:00:00.000Z	49 \| good	9.012 \| good	40.096 \| good	35.384 \| good	0.597 \| good	2.611 \| good	0.215 \| good
2025-09-05T15:00:00.000Z	44 \| good	7.803 \| good	34.268 \| good	36.064 \| good	0.691 \| good	2.345 \| good	0.218 \| good
2025-09-05T16:00:00.000Z	44 \| good	7.662 \| good	33.749 \| good	40.306 \| good	0.663 \| good	2.022 \| good	0.207 \| good
2025-09-05T17:00:00.000Z	49 \| good	9.32 \| good	41.613 \| good	42.859 \| good	0.635 \| good	1.699 \| good	0.196 \| good
2025-09-05T18:00:00.000Z	36 \| good	6.482 \| good	28.878 \| good	38.756 \| good	0.607 \| good	1.375 \| good	0.185 \| good
2025-09-05T19:00:00.000Z	33 \| good	5.939 \| good	25.856 \| good	31.397 \| good	0.614 \| good	1.73 \| good	0.179 \| good
2025-09-05T20:00:00.000Z	27 \| good	5.097 \| good	22.052 \| good	29.147 \| good	0.622 \| good	2.084 \| good	0.174 \| good
2025-09-05T21:00:00.000Z	26 \| good	3.586 \| good	15.61 \| good	27.575 \| good	0.63 \| good	2.439 \| good	0.169 \| good
2025-09-05T22:00:00.000Z	24 \| good	3.625 \| good	15.834 \| good	25.687 \| good	0.646 \| good	3.441 \| good	0.179 \| good
2025-09-05T23:00:00.000Z	23 \| good	2.454 \| good	10.048 \| good	25.262 \| good	0.663 \| good	4.443 \| good	0.189 \| good
2025-09-06T00:00:00.000Z	22 \| good	0.657 \| good	2.299 \| good	23.933 \| good	0.68 \| good	5.445 \| good	0.2 \| good
2025-09-06T01:00:00.000Z	27 \| good	2.635 \| good	10.95 \| good	29.063 \| good	0.644 \| good	5.361 \| good	0.198 \| good
2025-09-06T02:00:00.000Z	25 \| good	3.936 \| good	17.456 \| good	26.528 \| good	0.608 \| good	5.277 \| good	0.196 \| good
2025-09-06T03:00:00.000Z	33 \| good	6.218 \| good	27.462 \| good	25.875 \| good	0.572 \| good	5.193 \| good	0.194 \| good
2025-09-06T04:00:00.000Z	33 \| good	5.985 \| good	26.406 \| good	25.081 \| good	0.548 \| good	5.058 \| good	0.194 \| good
2025-09-06T05:00:00.000Z	21 \| good	3.166 \| good	13.757 \| good	23.16 \| good	0.524 \| good	4.923 \| good	0.194 \| good
2025-09-06T06:00:00.000Z	20 \| good	2.988 \| good	12.707 \| good	21.931 \| good	0.499 \| good	4.789 \| good	0.194 \| good
2025-09-06T07:00:00.000Z	22 \| good	3.797 \| good	16.549 \| good	18.777 \| good	0.488 \| good	4.675 \| good	0.193 \| good
2025-09-06T08:00:00.000Z	27 \| good	5.295 \| good	23.019 \| good	10.675 \| good	0.478 \| good	4.561 \| good	0.192 \| good
2025-09-06T09:00:00.000Z	33 \| good	5.66 \| good	24.672 \| good	13.181 \| good	0.467 \| good	4.447 \| good	0.191 \| good
2025-09-06T10:00:00.000Z	33 \| good	6.286 \| good	27.89 \| good	14.453 \| good	0.504 \| good	5.146 \| good	0.197 \| good
2025-09-06T11:00:00.000Z	22 \| good	4.27 \| good	18.703 \| good	12.579 \| good	0.542 \| good	5.844 \| good	0.202 \| good
2025-09-06T12:00:00.000Z	27 \| good	4.557 \| good	19.557 \| good	14.245 \| good	0.58 \| good	6.543 \| good	0.208 \| good
2025-09-06T13:00:00.000Z	44 \| good	7.708 \| good	33.694 \| good	21.287 \| good	0.802 \| good	5.371 \| good	0.206 \| good
2025-09-06T14:00:00.000Z	38 \| good	6.827 \| good	30.124 \| good	29.956 \| good	1.024 \| good	4.199 \| good	0.205 \| good
2025-09-06T15:00:00.000Z	33 \| good	5.924 \| good	26.276 \| good	35.215 \| good	1.246 \| good	3.027 \| good	0.203 \| good
2025-09-06T16:00:00.000Z	35 \| good	4.754 \| good	20.752 \| good	38.126 \| good	1.027 \| good	2.296 \| good	0.186 \| good
2025-09-06T17:00:00.000Z	38 \| good	2.401 \| good	9.788 \| good	41.484 \| good	0.809 \| good	1.564 \| good	0.168 \| good
2025-09-06T18:00:00.000Z	41 \| good	1.449 \| good	5.847 \| good	44.475 \| good	0.59 \| good	0.833 \| good	0.15 \| good
2025-09-06T19:00:00.000Z	43 \| good	1.288 \| good	5.377 \| good	46.237 \| good	0.532 \| good	0.845 \| good	0.149 \| good
2025-09-06T20:00:00.000Z	42 \| good	3.195 \| good	13.556 \| good	45.014 \| good	0.473 \| good	0.856 \| good	0.148 \| good
2025-09-06T21:00:00.000Z	41 \| good	2.893 \| good	11.882 \| good	44.205 \| good	0.414 \| good	0.867 \| good	0.146 \| good
2025-09-06T22:00:00.000Z	41 \| good	2.92 \| good	12.108 \| good	43.973 \| good	0.421 \| good	2.082 \| good	0.156 \| good
2025-09-06T23:00:00.000Z	42 \| good	4.951 \| good	21.735 \| good	45.41 \| good	0.427 \| good	3.297 \| good	0.166 \| good
2025-09-07T00:00:00.000Z	31 \| good	4.001 \| good	17.764 \| good	34.187 \| good	0.433 \| good	4.511 \| good	0.175 \| good
2025-09-07T01:00:00.000Z	31 \| good	4.434 \| good	19.284 \| good	33.159 \| good	0.499 \| good	9.745 \| good	0.225 \| good
2025-09-07T02:00:00.000Z	33 \| good	5.946 \| good	26.086 \| good	34.545 \| good	0.565 \| good	14.978 \| good	0.274 \| good
2025-09-07T03:00:00.000Z	38 \| good	6.66 \| good	29.857 \| good	33.367 \| good	0.631 \| good	20.211 \| good	0.323 \| good
2025-09-07T04:00:00.000Z	52 \| moderate	9.593 \| good	42.819 \| good	28.515 \| good	0.592 \| good	18.345 \| good	0.309 \| good
2025-09-07T05:00:00.000Z	54 \| moderate	10.716 \| good	47.486 \| good	30.476 \| good	0.553 \| good	16.48 \| good	0.294 \| good
2025-09-07T06:00:00.000Z	49 \| good	9.386 \| good	9.44 \| good	13.958 \| good	0.51 \| good	14.442 \| good	0.278 \| good
2025-09-07T07:00:00.000Z	54 \| moderate	10.775 \| good	47.755 \| good	26.175 \| good	0.526 \| good	12.581 \| good	0.26 \| good
2025-09-07T08:00:00.000Z	52 \| moderate	10.096 \| good	44.551 \| good	21.288 \| good	0.538 \| good	10.548 \| good	0.24 \| good
2025-09-07T09:00:00.000Z	49 \| good	9.305 \| good	41.156 \| good	16.755 \| good	0.551 \| good	8.516 \| good	0.22 \| good
2025-09-07T10:00:00.000Z	38 \| good	6.741 \| good	30.156 \| good	16.879 \| good	0.615 \| good	8.206 \| good	0.218 \| good
2025-09-07T11:00:00.000Z	38 \| good	7.221 \| good	31.851 \| good	14.899 \| good	0.679 \| good	7.896 \| good	0.216 \| good

Affton

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Affton, Missouri air quality map: Track AQI near you

0.29ppm

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 10:00:00 on 2025-09-05.

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 12:00:00 on 2025-09-05.

What is the current air quality in Affton, Missouri?

The current air quality in Affton, Missouri is 60, categorized as Moderate based on real-time data.

What pollutant is the most common in Affton, Missouri?

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

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 13.738 μg/m³.

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

The current PM₁₀ concentration at Affton, Missouri is 54.044 μg/m³.

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

The current carbon monoxide (CO) concentration at Affton, Missouri is 0.295 ppm.

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

The current sulfur dioxide (SO₂) concentration at Affton, Missouri is 0.861 ppb.

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

The current ozone (O₃) concentration at Affton, Missouri is 19.711 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Affton, Missouri is 5.111 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-09-03T19:00:00.000Z	43 \| good	3.856 \| good	14.196 \| good	46.3 \| good	2.731 \| good	7.357 \| good	0.257 \| good
2025-09-03T20:00:00.000Z	42 \| good	3.486 \| good	12.167 \| good	45.294 \| good	1.243 \| good	4.829 \| good	0.198 \| good
2025-09-03T21:00:00.000Z	44 \| good	3.91 \| good	13.254 \| good	48.018 \| good	1.536 \| good	3.634 \| good	0.199 \| good
2025-09-03T22:00:00.000Z	43 \| good	3.572 \| good	13.503 \| good	46.354 \| good	1.43 \| good	3.164 \| good	0.198 \| good
2025-09-03T23:00:00.000Z	41 \| good	3.019 \| good	11.644 \| good	43.91 \| good	1.472 \| good	3.402 \| good	0.258 \| good
2025-09-04T00:00:00.000Z	39 \| good	4.342 \| good	18.254 \| good	42.195 \| good	0.565 \| good	4.728 \| good	0.199 \| good
2025-09-04T01:00:00.000Z	36 \| good	3.842 \| good	14.93 \| good	38.556 \| good	0.419 \| good	3.347 \| good	0.199 \| good
2025-09-04T02:00:00.000Z	34 \| good	3.252 \| good	13.972 \| good	36.688 \| good	0.487 \| good	3.789 \| good	0.198 \| good
2025-09-04T03:00:00.000Z	31 \| good	4.054 \| good	15.883 \| good	33.968 \| good	0.526 \| good	4.151 \| good	0.237 \| good
2025-09-04T04:00:00.000Z	31 \| good	3.538 \| good	15.015 \| good	32.731 \| good	0.48 \| good	2.537 \| good	0.198 \| good
2025-09-04T05:00:00.000Z	25 \| good	3.46 \| good	14.765 \| good	27.355 \| good	0.441 \| good	1.963 \| good	0.198 \| good
2025-09-04T06:00:00.000Z	27 \| good	4.699 \| good	21.137 \| good	24.999 \| good	0.36 \| good	1.763 \| good	0.198 \| good
2025-09-04T07:00:00.000Z	27 \| good	4.699 \| good	21.137 \| good	26.294 \| good	0.355 \| good	1.766 \| good	0.199 \| good
2025-09-04T08:00:00.000Z	27 \| good	4.699 \| good	21.137 \| good	23.153 \| good	0.349 \| good	1.768 \| good	0.198 \| good
2025-09-04T09:00:00.000Z	58 \| moderate	13.317 \| fine	54.633 \| good	17.503 \| good	0.378 \| good	3.007 \| good	0.236 \| good
2025-09-04T10:00:00.000Z	62 \| moderate	15.118 \| fine	59.265 \| fine	16.857 \| good	0.323 \| good	3.416 \| good	0.236 \| good
2025-09-04T11:00:00.000Z	60 \| moderate	13.794 \| fine	54.154 \| good	15.273 \| good	0.456 \| good	4.427 \| good	0.237 \| good
2025-09-04T12:00:00.000Z	58 \| moderate	12.526 \| fine	50.781 \| good	15.578 \| good	0.283 \| good	5.739 \| good	0.295 \| good
2025-09-04T13:00:00.000Z	58 \| moderate	12.961 \| fine	58.279 \| fine	19.991 \| good	0.627 \| good	3.028 \| good	0.208 \| good
2025-09-04T14:00:00.000Z	54 \| moderate	10.836 \| good	45.436 \| good	18.709 \| good	0.282 \| good	4.627 \| good	0.301 \| good
2025-09-04T15:00:00.000Z	54 \| moderate	11.221 \| good	47.395 \| good	21.149 \| good	0.509 \| good	3.606 \| good	0.297 \| good
2025-09-04T16:00:00.000Z	49 \| good	9.372 \| good	40.771 \| good	25.707 \| good	0.372 \| good	3.537 \| good	0.237 \| good
2025-09-04T17:00:00.000Z	49 \| good	9.426 \| good	41.366 \| good	29.787 \| good	0.337 \| good	3.19 \| good	0.237 \| good
2025-09-04T18:00:00.000Z	49 \| good	9.062 \| good	37.552 \| good	31.725 \| good	0.365 \| good	3.158 \| good	0.296 \| good
2025-09-04T19:00:00.000Z	49 \| good	8.929 \| good	38.957 \| good	35.119 \| good	0.514 \| good	3.112 \| good	0.297 \| good
2025-09-04T20:00:00.000Z	49 \| good	8.678 \| good	38.321 \| good	38.408 \| good	0.871 \| good	3.257 \| good	0.298 \| good
2025-09-04T21:00:00.000Z	44 \| good	7.831 \| good	32.166 \| good	40.754 \| good	0.654 \| good	3.543 \| good	0.299 \| good
2025-09-04T22:00:00.000Z	44 \| good	7.79 \| good	35.233 \| good	42.942 \| good	2.203 \| good	3.665 \| good	0.298 \| good
2025-09-04T23:00:00.000Z	40 \| good	7.292 \| good	30.952 \| good	43.12 \| good	4.834 \| good	4.322 \| good	0.297 \| good
2025-09-05T00:00:00.000Z	39 \| good	6.387 \| good	26.024 \| good	41.933 \| good	2.443 \| good	5.746 \| good	0.262 \| good
2025-09-05T01:00:00.000Z	49 \| good	8.593 \| good	33.323 \| good	36.645 \| good	2.684 \| good	6.939 \| good	0.359 \| good
2025-09-05T02:00:00.000Z	44 \| good	8.141 \| good	33.231 \| good	34.18 \| good	2.838 \| good	10.142 \| good	0.415 \| good
2025-09-05T03:00:00.000Z	44 \| good	7.816 \| good	31.664 \| good	26.673 \| good	2.406 \| good	15.498 \| good	0.357 \| good
2025-09-05T04:00:00.000Z	52 \| moderate	9.818 \| good	38.252 \| good	26.98 \| good	1.563 \| good	9.199 \| good	0.356 \| good
2025-09-05T05:00:00.000Z	52 \| moderate	10.335 \| good	40.787 \| good	23.325 \| good	0.845 \| good	8.547 \| good	0.356 \| good
2025-09-05T06:00:00.000Z	52 \| moderate	10.189 \| good	42.597 \| good	20.473 \| good	0.604 \| good	9.8 \| good	0.296 \| good
2025-09-05T07:00:00.000Z	52 \| moderate	10.189 \| good	42.597 \| good	22.779 \| good	0.612 \| good	10.14 \| good	0.296 \| good
2025-09-05T08:00:00.000Z	52 \| moderate	10.189 \| good	42.597 \| good	25.233 \| good	0.626 \| good	10.344 \| good	0.297 \| good
2025-09-05T09:00:00.000Z	60 \| moderate	14.128 \| fine	56.045 \| fine	18.896 \| good	0.894 \| good	7.815 \| good	0.294 \| good
2025-09-05T10:00:00.000Z	60 \| moderate	13.738 \| fine	54.044 \| good	19.711 \| good	0.861 \| good	5.111 \| good	0.295 \| good
2025-09-05T11:00:00.000Z	54 \| moderate	11.22 \| good	42.059 \| good	16.415 \| good	0.7 \| good	6.909 \| good	0.295 \| good
2025-09-05T12:00:00.000Z	54 \| moderate	11.447 \| good	44.325 \| good	20.284 \| good	0.422 \| good	5.465 \| good	0.272 \| good
2025-09-05T13:00:00.000Z	54 \| moderate	10.765 \| good	43.544 \| good	20.496 \| good	0.364 \| good	5.44 \| good	0.295 \| good
2025-09-05T14:00:00.000Z	56 \| moderate	11.502 \| good	49.881 \| good	24.568 \| good	0.391 \| good	4.178 \| good	0.297 \| good
2025-09-05T15:00:00.000Z	52 \| moderate	10.213 \| good	45.917 \| good	25.01 \| good	0.34 \| good	3.387 \| good	0.335 \| good
2025-09-05T16:00:00.000Z	44 \| good	7.821 \| good	35.764 \| good	25.859 \| good	0.243 \| good	2.568 \| good	0.298 \| good
2025-09-05T17:00:00.000Z	38 \| good	7.206 \| good	32.8 \| good	28.307 \| good	0.292 \| good	2.337 \| good	0.296 \| good
2025-09-05T18:00:00.000Z	38 \| good	7.206 \| good	32.8 \| good	28.307 \| good	0.292 \| good	2.337 \| good	0.296 \| good
2025-09-05T12:00:00.000Z	38 \| good	6.705 \| good	29.332 \| good	24.061 \| good	0.411 \| good	3.142 \| good	0.208 \| good
2025-09-05T13:00:00.000Z	52 \| moderate	9.844 \| good	43.628 \| good	32.969 \| good	0.504 \| good	2.876 \| good	0.212 \| good
2025-09-05T14:00:00.000Z	49 \| good	9.012 \| good	40.096 \| good	35.384 \| good	0.597 \| good	2.611 \| good	0.215 \| good
2025-09-05T15:00:00.000Z	44 \| good	7.803 \| good	34.268 \| good	36.064 \| good	0.691 \| good	2.345 \| good	0.218 \| good
2025-09-05T16:00:00.000Z	44 \| good	7.662 \| good	33.749 \| good	40.306 \| good	0.663 \| good	2.022 \| good	0.207 \| good
2025-09-05T17:00:00.000Z	49 \| good	9.32 \| good	41.613 \| good	42.859 \| good	0.635 \| good	1.699 \| good	0.196 \| good
2025-09-05T18:00:00.000Z	36 \| good	6.482 \| good	28.878 \| good	38.756 \| good	0.607 \| good	1.375 \| good	0.185 \| good
2025-09-05T19:00:00.000Z	33 \| good	5.939 \| good	25.856 \| good	31.397 \| good	0.614 \| good	1.73 \| good	0.179 \| good
2025-09-05T20:00:00.000Z	27 \| good	5.097 \| good	22.052 \| good	29.147 \| good	0.622 \| good	2.084 \| good	0.174 \| good
2025-09-05T21:00:00.000Z	26 \| good	3.586 \| good	15.61 \| good	27.575 \| good	0.63 \| good	2.439 \| good	0.169 \| good
2025-09-05T22:00:00.000Z	24 \| good	3.625 \| good	15.834 \| good	25.687 \| good	0.646 \| good	3.441 \| good	0.179 \| good
2025-09-05T23:00:00.000Z	23 \| good	2.454 \| good	10.048 \| good	25.262 \| good	0.663 \| good	4.443 \| good	0.189 \| good
2025-09-06T00:00:00.000Z	22 \| good	0.657 \| good	2.299 \| good	23.933 \| good	0.68 \| good	5.445 \| good	0.2 \| good
2025-09-06T01:00:00.000Z	27 \| good	2.635 \| good	10.95 \| good	29.063 \| good	0.644 \| good	5.361 \| good	0.198 \| good
2025-09-06T02:00:00.000Z	25 \| good	3.936 \| good	17.456 \| good	26.528 \| good	0.608 \| good	5.277 \| good	0.196 \| good
2025-09-06T03:00:00.000Z	33 \| good	6.218 \| good	27.462 \| good	25.875 \| good	0.572 \| good	5.193 \| good	0.194 \| good
2025-09-06T04:00:00.000Z	33 \| good	5.985 \| good	26.406 \| good	25.081 \| good	0.548 \| good	5.058 \| good	0.194 \| good
2025-09-06T05:00:00.000Z	21 \| good	3.166 \| good	13.757 \| good	23.16 \| good	0.524 \| good	4.923 \| good	0.194 \| good
2025-09-06T06:00:00.000Z	20 \| good	2.988 \| good	12.707 \| good	21.931 \| good	0.499 \| good	4.789 \| good	0.194 \| good
2025-09-06T07:00:00.000Z	22 \| good	3.797 \| good	16.549 \| good	18.777 \| good	0.488 \| good	4.675 \| good	0.193 \| good
2025-09-06T08:00:00.000Z	27 \| good	5.295 \| good	23.019 \| good	10.675 \| good	0.478 \| good	4.561 \| good	0.192 \| good
2025-09-06T09:00:00.000Z	33 \| good	5.66 \| good	24.672 \| good	13.181 \| good	0.467 \| good	4.447 \| good	0.191 \| good
2025-09-06T10:00:00.000Z	33 \| good	6.286 \| good	27.89 \| good	14.453 \| good	0.504 \| good	5.146 \| good	0.197 \| good
2025-09-06T11:00:00.000Z	22 \| good	4.27 \| good	18.703 \| good	12.579 \| good	0.542 \| good	5.844 \| good	0.202 \| good
2025-09-06T12:00:00.000Z	27 \| good	4.557 \| good	19.557 \| good	14.245 \| good	0.58 \| good	6.543 \| good	0.208 \| good
2025-09-06T13:00:00.000Z	44 \| good	7.708 \| good	33.694 \| good	21.287 \| good	0.802 \| good	5.371 \| good	0.206 \| good
2025-09-06T14:00:00.000Z	38 \| good	6.827 \| good	30.124 \| good	29.956 \| good	1.024 \| good	4.199 \| good	0.205 \| good
2025-09-06T15:00:00.000Z	33 \| good	5.924 \| good	26.276 \| good	35.215 \| good	1.246 \| good	3.027 \| good	0.203 \| good
2025-09-06T16:00:00.000Z	35 \| good	4.754 \| good	20.752 \| good	38.126 \| good	1.027 \| good	2.296 \| good	0.186 \| good
2025-09-06T17:00:00.000Z	38 \| good	2.401 \| good	9.788 \| good	41.484 \| good	0.809 \| good	1.564 \| good	0.168 \| good
2025-09-06T18:00:00.000Z	41 \| good	1.449 \| good	5.847 \| good	44.475 \| good	0.59 \| good	0.833 \| good	0.15 \| good
2025-09-06T19:00:00.000Z	43 \| good	1.288 \| good	5.377 \| good	46.237 \| good	0.532 \| good	0.845 \| good	0.149 \| good
2025-09-06T20:00:00.000Z	42 \| good	3.195 \| good	13.556 \| good	45.014 \| good	0.473 \| good	0.856 \| good	0.148 \| good
2025-09-06T21:00:00.000Z	41 \| good	2.893 \| good	11.882 \| good	44.205 \| good	0.414 \| good	0.867 \| good	0.146 \| good
2025-09-06T22:00:00.000Z	41 \| good	2.92 \| good	12.108 \| good	43.973 \| good	0.421 \| good	2.082 \| good	0.156 \| good
2025-09-06T23:00:00.000Z	42 \| good	4.951 \| good	21.735 \| good	45.41 \| good	0.427 \| good	3.297 \| good	0.166 \| good
2025-09-07T00:00:00.000Z	31 \| good	4.001 \| good	17.764 \| good	34.187 \| good	0.433 \| good	4.511 \| good	0.175 \| good
2025-09-07T01:00:00.000Z	31 \| good	4.434 \| good	19.284 \| good	33.159 \| good	0.499 \| good	9.745 \| good	0.225 \| good
2025-09-07T02:00:00.000Z	33 \| good	5.946 \| good	26.086 \| good	34.545 \| good	0.565 \| good	14.978 \| good	0.274 \| good
2025-09-07T03:00:00.000Z	38 \| good	6.66 \| good	29.857 \| good	33.367 \| good	0.631 \| good	20.211 \| good	0.323 \| good
2025-09-07T04:00:00.000Z	52 \| moderate	9.593 \| good	42.819 \| good	28.515 \| good	0.592 \| good	18.345 \| good	0.309 \| good
2025-09-07T05:00:00.000Z	54 \| moderate	10.716 \| good	47.486 \| good	30.476 \| good	0.553 \| good	16.48 \| good	0.294 \| good
2025-09-07T06:00:00.000Z	49 \| good	9.386 \| good	9.44 \| good	13.958 \| good	0.51 \| good	14.442 \| good	0.278 \| good
2025-09-07T07:00:00.000Z	54 \| moderate	10.775 \| good	47.755 \| good	26.175 \| good	0.526 \| good	12.581 \| good	0.26 \| good
2025-09-07T08:00:00.000Z	52 \| moderate	10.096 \| good	44.551 \| good	21.288 \| good	0.538 \| good	10.548 \| good	0.24 \| good
2025-09-07T09:00:00.000Z	49 \| good	9.305 \| good	41.156 \| good	16.755 \| good	0.551 \| good	8.516 \| good	0.22 \| good
2025-09-07T10:00:00.000Z	38 \| good	6.741 \| good	30.156 \| good	16.879 \| good	0.615 \| good	8.206 \| good	0.218 \| good
2025-09-07T11:00:00.000Z	38 \| good	7.221 \| good	31.851 \| good	14.899 \| good	0.679 \| good	7.896 \| good	0.216 \| 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

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Mehlville, Missouri

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Kirkwood, Missouri

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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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