What is the current level of PM10 in Chesterfield, Missouri?

Chesterfield, Missouri currently has a PM10 concentration of 30.46 μg/m3.

What is the current level of sulfur dioxide (SO2) in Chesterfield, Missouri?

The current sulfur dioxide (SO2) concentration in Chesterfield, Missouri is 0.603 ppb.

What is the current level of ozone (O3) in Chesterfield, Missouri?

Chesterfield, Missouri currently has an ozone (O3) concentration of 9.623 ppm.

What is the current level of nitrogen dioxide (NO2) in Chesterfield, Missouri?

The current level of nitrogen dioxide (NO2) in Chesterfield, Missouri is 14.708 ppb.

Current air quality index in Chesterfield, Missouri today

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

Stay updated with real-time air quality in Chesterfield, 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

Chesterfield, Missouri

Last updated: ... (Local time)

Major air pollutants in Chesterfield, Missouri

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.28 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

30.46 μg/m³

155

255

425

605+

Ozone (O₃)

9.62 ppb

201

201+

Sulfur Dioxide (SO₂)

0.60 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

14.71 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.41 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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Chesterfield, Missouri

Scroll To Air Quality Map

Track live Chesterfield, Missouri air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-04T12:00:00.000Z	37 \| good	2.392 \| good	22.79 \| good	40.022 \| good	0.673 \| good	11.821 \| good	0.273 \| good
2025-06-04T13:00:00.000Z	44 \| good	7.953 \| good	34.945 \| good	34.546 \| good	0.284 \| good	2.199 \| good	0.195 \| good
2025-06-04T14:00:00.000Z	34 \| good	4.771 \| good	29.296 \| good	36.693 \| good	0.641 \| good	17.665 \| good	0.348 \| good
2025-06-04T15:00:00.000Z	41 \| good	3.561 \| good	29.199 \| good	43.852 \| good	0.71 \| good	14.905 \| good	0.347 \| good
2025-06-04T16:00:00.000Z	35 \| good	3.063 \| good	28.775 \| good	37.999 \| good	0.409 \| good	10.221 \| good	0.328 \| good
2025-06-04T17:00:00.000Z	33 \| good	3.467 \| good	35.728 \| good	34.305 \| good	0.441 \| good	6.711 \| good	0.323 \| good
2025-06-04T18:00:00.000Z	40 \| good	4.002 \| good	43.241 \| good	29.967 \| good	0.561 \| good	4.7 \| good	0.283 \| good
2025-06-04T19:00:00.000Z	33 \| good	6.427 \| good	26.454 \| good	32.074 \| good	0.503 \| good	4.811 \| good	0.291 \| good
2025-06-04T20:00:00.000Z	58 \| moderate	12.814 \| fine	38.09 \| good	39.128 \| good	0.53 \| good	5.802 \| good	0.318 \| good
2025-06-04T21:00:00.000Z	58 \| moderate	12.994 \| fine	51.249 \| good	38.87 \| good	0.43 \| good	5.738 \| good	0.273 \| good
2025-06-04T22:00:00.000Z	44 \| good	8.469 \| good	41.6 \| good	35.135 \| good	0.606 \| good	8.036 \| good	0.188 \| good
2025-06-04T23:00:00.000Z	34 \| good	6.324 \| good	37.221 \| good	32.872 \| good	0.557 \| good	9.09 \| good	0.273 \| good
2025-06-05T00:00:00.000Z	31 \| good	3.143 \| good	32.632 \| good	30.553 \| good	0.629 \| good	9.47 \| good	0.24 \| good
2025-06-05T01:00:00.000Z	33 \| good	5.678 \| good	25.584 \| good	35.262 \| good	0.617 \| good	7.918 \| good	0.289 \| good
2025-06-05T02:00:00.000Z	44 \| good	8.448 \| good	47.987 \| good	32.499 \| good	0.574 \| good	7.146 \| good	0.245 \| good
2025-06-05T03:00:00.000Z	54 \| moderate	7.455 \| good	61.563 \| fine	34.005 \| good	0.636 \| good	5.398 \| good	0.245 \| good
2025-06-05T04:00:00.000Z	67 \| moderate	11.007 \| good	87.307 \| fine	33.378 \| good	0.663 \| good	5.632 \| good	0.234 \| good
2025-06-05T05:00:00.000Z	46 \| good	8.073 \| good	49.605 \| good	26.247 \| good	0.66 \| good	5.403 \| good	0.27 \| good
2025-06-05T06:00:00.000Z	54 \| moderate	5.949 \| good	60.721 \| fine	26.142 \| good	0.727 \| good	6.016 \| good	0.27 \| good
2025-06-05T07:00:00.000Z	36 \| good	5.403 \| good	39.462 \| good	23.221 \| good	0.721 \| good	5.884 \| good	0.27 \| good
2025-06-05T08:00:00.000Z	22 \| good	3.45 \| good	15.108 \| good	23.535 \| good	0.723 \| good	6.737 \| good	0.275 \| good
2025-06-05T09:00:00.000Z	26 \| good	3.044 \| good	8.17 \| good	27.552 \| good	0.69 \| good	3.249 \| good	0.544 \| good
2025-06-05T10:00:00.000Z	20 \| good	2.474 \| good	14.322 \| good	21.598 \| good	0.654 \| good	3.387 \| good	0.405 \| good
2025-06-05T11:00:00.000Z	25 \| good	3.212 \| good	27.132 \| good	23.228 \| good	0.65 \| good	2.563 \| good	0.31 \| good
2025-06-05T12:00:00.000Z	66 \| moderate	17.317 \| fine	33.101 \| good	24.616 \| good	0.657 \| good	3.423 \| good	0.309 \| good
2025-06-05T13:00:00.000Z	60 \| moderate	9.146 \| good	72.611 \| fine	25.809 \| good	0.699 \| good	3.577 \| good	0.309 \| good
2025-06-05T14:00:00.000Z	92 \| moderate	17.558 \| fine	137.321 \| fine	25.421 \| good	0.641 \| good	3.317 \| good	0.309 \| good
2025-06-05T15:00:00.000Z	60 \| moderate	13.966 \| fine	63.97 \| fine	25.548 \| good	0.565 \| good	4.39 \| good	0.28 \| good
2025-06-05T16:00:00.000Z	107 \| sensitive	22.788 \| fine	167.038 \| moderate	32.775 \| good	0.598 \| good	3.372 \| good	0.275 \| good
2025-06-05T17:00:00.000Z	98 \| moderate	11.001 \| good	148.57 \| fine	35.464 \| good	0.569 \| good	3.576 \| good	0.315 \| good
2025-06-05T18:00:00.000Z	34 \| good	4.86 \| good	20.021 \| good	36.529 \| good	0.313 \| good	3.479 \| good	0.311 \| good
2025-06-05T19:00:00.000Z	35 \| good	5.18 \| good	20.692 \| good	38.145 \| good	0.574 \| good	3.758 \| good	0.27 \| good
2025-06-05T20:00:00.000Z	35 \| good	6.117 \| good	16.58 \| good	38.241 \| good	0.538 \| good	4.719 \| good	0.265 \| good
2025-06-05T21:00:00.000Z	38 \| good	6.48 \| good	28.969 \| good	40.624 \| good	0.542 \| good	3.638 \| good	0.26 \| good
2025-06-05T22:00:00.000Z	38 \| good	7.007 \| good	27.138 \| good	35.392 \| good	0.589 \| good	3.476 \| good	0.26 \| good
2025-06-05T23:00:00.000Z	44 \| good	7.527 \| good	26.952 \| good	34.312 \| good	0.681 \| good	3.736 \| good	0.205 \| good
2025-06-06T00:00:00.000Z	38 \| good	7.229 \| good	24.931 \| good	38.735 \| good	0.648 \| good	4.459 \| good	0.295 \| good
2025-06-06T01:00:00.000Z	49 \| good	8.827 \| good	24.886 \| good	34.801 \| good	0.709 \| good	2.86 \| good	0.259 \| good
2025-06-06T02:00:00.000Z	33 \| good	6.35 \| good	24.561 \| good	33.041 \| good	0.637 \| good	6.424 \| good	0.299 \| good
2025-06-06T03:00:00.000Z	38 \| good	6.887 \| good	27.525 \| good	21.459 \| good	0.599 \| good	8.841 \| good	0.344 \| good
2025-06-06T04:00:00.000Z	61 \| moderate	8.548 \| good	75.305 \| fine	29.566 \| good	0.622 \| good	10.176 \| good	0.389 \| good
2025-06-06T05:00:00.000Z	54 \| moderate	10.294 \| good	62.389 \| fine	22.688 \| good	0.583 \| good	12.393 \| good	0.479 \| good
2025-06-06T06:00:00.000Z	54 \| moderate	10.712 \| good	50.21 \| good	15.602 \| good	0.372 \| good	13.494 \| good	0.56 \| good
2025-06-06T07:00:00.000Z	54 \| moderate	10.873 \| good	56.576 \| fine	15.19 \| good	0.393 \| good	17.724 \| good	0.56 \| good
2025-06-06T08:00:00.000Z	49 \| good	9.334 \| good	34.05 \| good	17.249 \| good	0.39 \| good	15.882 \| good	0.565 \| good
2025-06-06T09:00:00.000Z	58 \| moderate	12.791 \| fine	44.417 \| good	13.907 \| good	0.706 \| good	7.599 \| good	0.444 \| good
2025-06-06T10:00:00.000Z	33 \| good	6.28 \| good	30.46 \| good	9.623 \| good	0.603 \| good	14.708 \| good	0.413 \| good
2025-06-06T11:00:00.000Z	33 \| good	6.28 \| good	30.46 \| good	9.623 \| good	0.603 \| good	14.708 \| good	0.413 \| good
2025-06-06T12:00:00.000Z	62 \| moderate	15.21 \| fine	67.279 \| fine	10.838 \| good	0.596 \| good	6.402 \| good	0.299 \| good
2025-06-06T13:00:00.000Z	66 \| moderate	16.741 \| fine	74.202 \| fine	16.182 \| good	1.007 \| good	2.068 \| good	0.244 \| good
2025-06-06T14:00:00.000Z	71 \| moderate	19.601 \| fine	85.775 \| fine	23.664 \| good	1.184 \| good	2.346 \| good	0.249 \| good
2025-06-06T15:00:00.000Z	79 \| moderate	23.549 \| fine	103.419 \| fine	23.981 \| good	1.361 \| good	2.625 \| good	0.254 \| good
2025-06-06T16:00:00.000Z	81 \| moderate	24.7 \| fine	107.519 \| fine	25.854 \| good	0.839 \| good	1.41 \| good	0.208 \| good
2025-06-06T17:00:00.000Z	77 \| moderate	23.137 \| fine	101.151 \| fine	28.512 \| good	0.979 \| good	1.632 \| good	0.209 \| good
2025-06-06T18:00:00.000Z	81 \| moderate	25.38 \| fine	110.505 \| fine	28.242 \| good	1.12 \| good	1.853 \| good	0.211 \| good
2025-06-06T19:00:00.000Z	81 \| moderate	25.466 \| fine	110.632 \| fine	27.882 \| good	0.888 \| good	1.678 \| good	0.202 \| good
2025-06-06T20:00:00.000Z	84 \| moderate	26.579 \| fine	115.995 \| fine	27.061 \| good	1.018 \| good	1.919 \| good	0.205 \| good
2025-06-06T21:00:00.000Z	79 \| moderate	24.032 \| fine	104.588 \| fine	24.089 \| good	1.149 \| good	2.16 \| good	0.208 \| good
2025-06-06T22:00:00.000Z	73 \| moderate	20.755 \| fine	91.314 \| fine	30.092 \| good	0.723 \| good	4.108 \| good	0.227 \| good
2025-06-06T23:00:00.000Z	62 \| moderate	15.089 \| fine	67.786 \| fine	34.044 \| good	0.777 \| good	4.914 \| good	0.233 \| good
2025-06-07T00:00:00.000Z	75 \| moderate	21.841 \| fine	96.334 \| fine	40.405 \| good	0.832 \| good	5.719 \| good	0.239 \| good
2025-06-07T01:00:00.000Z	73 \| moderate	21.091 \| fine	92.128 \| fine	34.161 \| good	0.836 \| good	11.261 \| good	0.297 \| good
2025-06-07T02:00:00.000Z	82 \| moderate	26.163 \| fine	113.99 \| fine	30.273 \| good	0.908 \| good	12.894 \| good	0.306 \| good
2025-06-07T03:00:00.000Z	92 \| moderate	31.483 \| fine	135.993 \| fine	28.508 \| good	0.979 \| good	14.528 \| good	0.315 \| good
2025-06-07T04:00:00.000Z	102 \| sensitive	35.939 \| moderate	157.216 \| moderate	27.37 \| good	0.127 \| good	16.263 \| good	0.365 \| good
2025-06-07T05:00:00.000Z	107 \| sensitive	37.936 \| moderate	166.988 \| moderate	26.964 \| good	0.169 \| good	18.874 \| good	0.382 \| good
2025-06-07T06:00:00.000Z	110 \| sensitive	38.864 \| moderate	170.929 \| moderate	25.936 \| good	0.212 \| good	21.484 \| good	0.4 \| good
2025-06-07T07:00:00.000Z	102 \| sensitive	35.749 \| moderate	155.917 \| moderate	22.905 \| good	0.092 \| good	8.003 \| good	0.303 \| good
2025-06-07T08:00:00.000Z	99 \| moderate	35.024 \| fine	152.424 \| fine	23.697 \| good	0.119 \| good	8.792 \| good	0.311 \| good
2025-06-07T09:00:00.000Z	88 \| moderate	29.447 \| fine	128.102 \| fine	24.345 \| good	0.147 \| good	9.582 \| good	0.318 \| good
2025-06-07T10:00:00.000Z	77 \| moderate	23.305 \| fine	101.764 \| fine	25.513 \| good	0.066 \| good	4.59 \| good	0.272 \| good
2025-06-07T11:00:00.000Z	66 \| moderate	17.028 \| fine	75.853 \| fine	28.057 \| good	0.09 \| good	5.036 \| good	0.278 \| good
2025-06-07T12:00:00.000Z	58 \| moderate	13.301 \| fine	59.516 \| fine	26.808 \| good	0.113 \| good	5.482 \| good	0.284 \| good
2025-06-07T13:00:00.000Z	58 \| moderate	12.542 \| fine	56.561 \| fine	28.332 \| good	0.522 \| good	2.8 \| good	0.25 \| good
2025-06-07T14:00:00.000Z	60 \| moderate	14.428 \| fine	64.419 \| fine	26.163 \| good	0.621 \| good	3.193 \| good	0.257 \| good
2025-06-07T15:00:00.000Z	62 \| moderate	15.227 \| fine	68.698 \| fine	27.659 \| good	0.72 \| good	3.587 \| good	0.264 \| good
2025-06-07T16:00:00.000Z	64 \| moderate	15.576 \| fine	69.454 \| fine	29.329 \| good	0.933 \| good	1.954 \| good	0.216 \| good
2025-06-07T17:00:00.000Z	66 \| moderate	16.8 \| fine	74.743 \| fine	31.526 \| good	1.025 \| good	2.147 \| good	0.221 \| good
2025-06-07T18:00:00.000Z	67 \| moderate	18.112 \| fine	79.728 \| fine	42.291 \| good	1.116 \| good	2.339 \| good	0.225 \| good
2025-06-07T19:00:00.000Z	49 \| good	8.96 \| good	38.987 \| good	50.656 \| good	0.696 \| good	1.451 \| good	0.196 \| good
2025-06-07T20:00:00.000Z	42 \| good	4.166 \| good	17.995 \| good	44.95 \| good	0.84 \| good	1.668 \| good	0.201 \| good
2025-06-07T21:00:00.000Z	43 \| good	1.346 \| good	5.269 \| good	45.712 \| good	0.983 \| good	1.885 \| good	0.206 \| good
2025-06-07T22:00:00.000Z	42 \| good	0.873 \| good	3.102 \| good	45.197 \| good	0.292 \| good	2.886 \| good	0.181 \| good
2025-06-07T23:00:00.000Z	44 \| good	3.118 \| good	13.352 \| good	46.806 \| good	0.402 \| good	3.497 \| good	0.191 \| good
2025-06-08T00:00:00.000Z	44 \| good	5.337 \| good	22.949 \| good	48.479 \| good	0.513 \| good	4.109 \| good	0.201 \| good
2025-06-08T01:00:00.000Z	41 \| good	4.388 \| good	19.116 \| good	43.924 \| good	0.28 \| good	2.902 \| good	0.17 \| good
2025-06-08T02:00:00.000Z	38 \| good	4.613 \| good	19.708 \| good	41.024 \| good	0.375 \| good	3.545 \| good	0.177 \| good
2025-06-08T03:00:00.000Z	38 \| good	6.052 \| good	27.09 \| good	40.754 \| good	0.469 \| good	4.189 \| good	0.183 \| good
2025-06-08T04:00:00.000Z	49 \| good	8.987 \| good	39.584 \| good	39.423 \| good	0.271 \| good	2.055 \| good	0.185 \| good
2025-06-08T05:00:00.000Z	54 \| moderate	10.706 \| good	47.263 \| good	37.386 \| good	0.306 \| good	2.314 \| good	0.18 \| good
2025-06-08T06:00:00.000Z	29 \| good	3.207 \| good	3.257 \| good	31.073 \| good	0.346 \| good	2.596 \| good	0.175 \| good
2025-06-08T07:00:00.000Z	49 \| good	9.307 \| good	41.433 \| good	36.345 \| good	0.29 \| good	2.167 \| good	0.201 \| good
2025-06-08T08:00:00.000Z	52 \| moderate	9.716 \| good	43.404 \| good	34.221 \| good	0.317 \| good	2.303 \| good	0.201 \| good
2025-06-08T09:00:00.000Z	52 \| moderate	9.924 \| good	43.967 \| good	34.776 \| good	0.344 \| good	2.439 \| good	0.201 \| good
2025-06-08T10:00:00.000Z	44 \| good	8.401 \| good	37.056 \| good	30.976 \| good	0.439 \| good	1.994 \| good	0.198 \| good
2025-06-08T11:00:00.000Z	44 \| good	7.829 \| good	34.274 \| good	31.41 \| good	0.462 \| good	2.168 \| good	0.199 \| good

Chesterfield

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Chesterfield, Missouri

0.42ppm

How accurate is Missouri, USA air quality data?

The air quality data for Missouri, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Chesterfield, Missouri get updated?

Air quality updates for Chesterfield, Missouri are available every hour.

What time in the past 24 hours saw the poorest air quality in Chesterfield, Missouri?

Chesterfield, Missouri experienced its worst air quality at 04:00:00, 2025-06-05.

When was air quality in Chesterfield, Missouri the best over the past 24 hours?

The best air quality in Chesterfield, Missouri was observed at 11:00:00 on 2025-06-05.

What is the air quality in Chesterfield, Missouri right now?

The air quality in Chesterfield, Missouri right now is Good, with an AQI of 33.

What pollutant is most frequently found in Chesterfield, Missouri?

In Chesterfield, Missouri, PM2.5 is the most frequently found pollutant.

What can I do if the air quality in Chesterfield, Missouri is poor?

When air quality in Chesterfield, Missouri is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Chesterfield, Missouri right now?

Chesterfield, Missouri currently has a PM_2.5 concentration of 6.28 μg/m³.

What is the current level of PM₁₀ in Chesterfield, Missouri?

Chesterfield, Missouri currently has a PM₁₀ concentration of 30.46 μg/m³.

What is the current level of carbon monoxide (CO) in Chesterfield, Missouri?

The current carbon monoxide (CO) level in Chesterfield, Missouri is 0.413 ppm.

What is the current level of sulfur dioxide (SO₂) in Chesterfield, Missouri?

The current sulfur dioxide (SO₂) concentration in Chesterfield, Missouri is 0.603 ppb.

What is the current level of ozone (O₃) in Chesterfield, Missouri?

Chesterfield, Missouri currently has an ozone (O₃) concentration of 9.623 ppm.

What is the current level of nitrogen dioxide (NO₂) in Chesterfield, Missouri?

The current level of nitrogen dioxide (NO₂) in Chesterfield, Missouri is 14.708 ppb.

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