What is the current level of PM10 in Webster Groves, Missouri?

Webster Groves, Missouri currently has a PM10 concentration of 17.595 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Webster Groves, Missouri is 0.577 ppb.

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

Webster Groves, Missouri currently has an ozone (O3) concentration of 31.79 ppm.

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

The current level of nitrogen dioxide (NO2) in Webster Groves, Missouri is 19.162 ppb.

Current air quality index in Webster Groves, Missouri today

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

Stay updated with real-time air quality in Webster Groves, 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

Webster Groves, Missouri

Last updated: ... (Local time)

Major air pollutants in Webster Groves, Missouri

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

4.40 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

17.59 μg/m³

155

255

425

605+

Ozone (O₃)

31.79 ppb

201

201+

Sulfur Dioxide (SO₂)

0.58 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

19.16 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.35 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Webster Groves, Missouri

Get Live Pollen Counts

Webster Groves, Missouri

Scroll To Air Quality Map

Track live Webster Groves, Missouri air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-02T23:00:00.000Z	58 \| moderate	13.173 \| fine	55.336 \| fine	54.927 \| good	0.744 \| good	5.114 \| good	0.338 \| good
2025-06-03T00:00:00.000Z	56 \| moderate	11.625 \| good	48.901 \| good	51.04 \| good	0.512 \| good	5.189 \| good	0.338 \| good
2025-06-03T01:00:00.000Z	54 \| moderate	11.386 \| good	46.976 \| good	48.531 \| good	0.674 \| good	6.637 \| good	0.339 \| good
2025-06-03T02:00:00.000Z	52 \| moderate	10.066 \| good	39.144 \| good	38.968 \| good	0.738 \| good	7.441 \| good	0.27 \| good
2025-06-03T03:00:00.000Z	44 \| good	8.204 \| good	34.856 \| good	37.901 \| good	0.893 \| good	6.962 \| good	0.27 \| good
2025-06-03T04:00:00.000Z	49 \| good	9.017 \| good	38.362 \| good	39.676 \| good	1.189 \| good	8.123 \| good	0.27 \| good
2025-06-03T05:00:00.000Z	52 \| moderate	9.826 \| good	41.858 \| good	32.601 \| good	0.743 \| good	8.606 \| good	0.269 \| good
2025-06-03T06:00:00.000Z	49 \| good	8.732 \| good	35.014 \| good	35.307 \| good	0.717 \| good	9.684 \| good	0.27 \| good
2025-06-03T07:00:00.000Z	49 \| good	8.732 \| good	35.014 \| good	27.661 \| good	0.684 \| good	9.511 \| good	0.271 \| good
2025-06-03T08:00:00.000Z	49 \| good	8.732 \| good	35.014 \| good	28.183 \| good	0.723 \| good	9.61 \| good	0.269 \| good
2025-06-03T09:00:00.000Z	52 \| moderate	9.737 \| good	41.121 \| good	25.568 \| good	0.944 \| good	6.649 \| good	0.242 \| good
2025-06-03T10:00:00.000Z	49 \| good	9.189 \| good	36.355 \| good	24.864 \| good	1.056 \| good	8.183 \| good	0.173 \| good
2025-06-03T11:00:00.000Z	44 \| good	8.061 \| good	34.609 \| good	28.308 \| good	0.927 \| good	11.405 \| good	0.242 \| good
2025-06-03T12:00:00.000Z	44 \| good	8.061 \| good	34.609 \| good	27.568 \| good	0.92 \| good	11.375 \| good	0.243 \| good
2025-06-03T13:00:00.000Z	49 \| good	9.255 \| good	39.818 \| good	31.649 \| good	0.56 \| good	11.661 \| good	0.339 \| good
2025-06-03T14:00:00.000Z	54 \| moderate	10.5 \| good	43.016 \| good	34.231 \| good	0.757 \| good	7.918 \| good	0.312 \| good
2025-06-03T15:00:00.000Z	56 \| moderate	11.508 \| good	48.351 \| good	35.507 \| good	0.966 \| good	5.906 \| good	0.27 \| good
2025-06-03T16:00:00.000Z	58 \| moderate	12.593 \| fine	51.386 \| good	40.709 \| good	0.535 \| good	4.743 \| good	0.269 \| good
2025-06-03T17:00:00.000Z	56 \| moderate	12.283 \| fine	50.207 \| good	43.313 \| good	0.477 \| good	4.854 \| good	0.269 \| good
2025-06-03T18:00:00.000Z	56 \| moderate	12.303 \| fine	54.486 \| good	47.212 \| good	0.377 \| good	3.961 \| good	0.269 \| good
2025-06-03T19:00:00.000Z	60 \| moderate	13.623 \| fine	58.009 \| fine	46.964 \| good	0.546 \| good	3.848 \| good	0.269 \| good
2025-06-03T20:00:00.000Z	60 \| moderate	13.586 \| fine	58.346 \| fine	46.74 \| good	0.548 \| good	4.526 \| good	0.268 \| good
2025-06-03T21:00:00.000Z	58 \| moderate	13.263 \| fine	56.686 \| fine	47.13 \| good	0.539 \| good	3.998 \| good	0.339 \| good
2025-06-03T22:00:00.000Z	60 \| moderate	13.785 \| fine	58.773 \| fine	46.713 \| good	0.558 \| good	4.286 \| good	0.269 \| good
2025-06-03T23:00:00.000Z	58 \| moderate	13.087 \| fine	56.177 \| fine	45.179 \| good	0.382 \| good	4.491 \| good	0.269 \| good
2025-06-04T00:00:00.000Z	58 \| moderate	13.201 \| fine	56.668 \| fine	44.108 \| good	0.525 \| good	4.528 \| good	0.27 \| good
2025-06-04T01:00:00.000Z	60 \| moderate	13.795 \| fine	58.515 \| fine	44.232 \| good	0.562 \| good	5.962 \| good	0.269 \| good
2025-06-04T02:00:00.000Z	60 \| moderate	13.729 \| fine	58.861 \| fine	44.204 \| good	0.503 \| good	6.5 \| good	0.27 \| good
2025-06-04T03:00:00.000Z	49 \| good	8.592 \| good	37.924 \| good	45.868 \| good	0.621 \| good	3.73 \| good	0.239 \| good
2025-06-04T04:00:00.000Z	60 \| moderate	13.926 \| fine	59.32 \| fine	41.385 \| good	0.976 \| good	6.527 \| good	0.269 \| good
2025-06-04T05:00:00.000Z	62 \| moderate	14.84 \| fine	62.731 \| fine	38.616 \| good	0.649 \| good	8.409 \| good	0.276 \| good
2025-06-04T06:00:00.000Z	62 \| moderate	15.375 \| fine	63.309 \| fine	39.052 \| good	0.725 \| good	6.832 \| good	0.275 \| good
2025-06-04T07:00:00.000Z	62 \| moderate	15.375 \| fine	63.309 \| fine	37.946 \| good	0.726 \| good	6.763 \| good	0.276 \| good
2025-06-04T08:00:00.000Z	62 \| moderate	15.375 \| fine	63.309 \| fine	37.172 \| good	0.726 \| good	6.769 \| good	0.275 \| good
2025-06-04T09:00:00.000Z	35 \| good	4.578 \| good	19.244 \| good	37.902 \| good	0.67 \| good	2.461 \| good	0.109 \| good
2025-06-04T10:00:00.000Z	39 \| good	2.773 \| good	10.777 \| good	42.02 \| good	0.419 \| good	5.471 \| good	0.178 \| good
2025-06-04T11:00:00.000Z	35 \| good	2.577 \| good	10.446 \| good	38.018 \| good	0.351 \| good	11.121 \| good	0.181 \| good
2025-06-04T12:00:00.000Z	33 \| good	2.717 \| good	11.308 \| good	35.973 \| good	0.511 \| good	15.526 \| good	0.275 \| good
2025-06-04T13:00:00.000Z	49 \| good	8.936 \| good	39.401 \| good	31.662 \| good	0.347 \| good	2.561 \| good	0.202 \| good
2025-06-04T14:00:00.000Z	31 \| good	2.751 \| good	10.551 \| good	33.46 \| good	0.511 \| good	20.762 \| good	0.35 \| good
2025-06-04T15:00:00.000Z	30 \| good	4.4 \| good	17.595 \| good	31.79 \| good	0.577 \| good	19.162 \| good	0.349 \| good
2025-06-04T16:00:00.000Z	38 \| good	7.224 \| good	30.631 \| good	30.726 \| good	0.414 \| good	11.953 \| good	0.345 \| good
2025-06-04T17:00:00.000Z	52 \| moderate	9.907 \| good	41.765 \| good	33.871 \| good	0.415 \| good	8.466 \| good	0.344 \| good
2025-06-04T18:00:00.000Z	52 \| moderate	9.809 \| good	41.535 \| good	32.984 \| good	0.516 \| good	6.04 \| good	0.277 \| good
2025-06-04T19:00:00.000Z	54 \| moderate	10.704 \| good	46.033 \| good	34.899 \| good	0.548 \| good	5.767 \| good	0.279 \| good
2025-06-04T20:00:00.000Z	58 \| moderate	12.85 \| fine	52.265 \| good	34.8 \| good	0.533 \| good	6.947 \| good	0.343 \| good
2025-06-04T21:00:00.000Z	56 \| moderate	11.548 \| good	45.362 \| good	35.136 \| good	0.371 \| good	7.028 \| good	0.275 \| good
2025-06-04T22:00:00.000Z	33 \| good	5.977 \| good	22.954 \| good	36.293 \| good	0.45 \| good	8.908 \| good	0.179 \| good
2025-06-04T16:00:00.000Z	30 \| good	4.4 \| good	17.595 \| good	31.79 \| good	0.577 \| good	19.162 \| good	0.349 \| good
2025-06-04T17:00:00.000Z	44 \| good	8.117 \| good	35.808 \| good	36.968 \| good	0.507 \| good	1.912 \| good	0.203 \| good
2025-06-04T18:00:00.000Z	54 \| moderate	11.348 \| good	50.585 \| good	45.499 \| good	0.615 \| good	2.252 \| good	0.211 \| good
2025-06-04T19:00:00.000Z	39 \| good	6.649 \| good	29.565 \| good	42.145 \| good	0.395 \| good	1.747 \| good	0.197 \| good
2025-06-04T20:00:00.000Z	54 \| moderate	11.198 \| good	49.376 \| good	41.393 \| good	0.508 \| good	2.081 \| good	0.202 \| good
2025-06-04T21:00:00.000Z	66 \| moderate	17.398 \| fine	76.453 \| fine	45.721 \| good	0.621 \| good	2.416 \| good	0.208 \| good
2025-06-04T22:00:00.000Z	71 \| moderate	20.179 \| fine	89.022 \| fine	45.674 \| good	0.285 \| good	3.177 \| good	0.208 \| good
2025-06-04T23:00:00.000Z	73 \| moderate	21.143 \| fine	92.737 \| fine	45.795 \| good	0.367 \| good	3.907 \| good	0.217 \| good
2025-06-05T00:00:00.000Z	82 \| moderate	25.735 \| fine	112.579 \| fine	41.277 \| good	0.449 \| good	4.637 \| good	0.225 \| good
2025-06-05T01:00:00.000Z	81 \| moderate	24.834 \| fine	107.491 \| fine	35.017 \| good	0.38 \| good	7.212 \| good	0.241 \| good
2025-06-05T02:00:00.000Z	84 \| moderate	26.652 \| fine	115.437 \| fine	32.883 \| good	0.468 \| good	8.499 \| good	0.25 \| good
2025-06-05T03:00:00.000Z	94 \| moderate	31.533 \| fine	136.703 \| fine	31.683 \| good	0.555 \| good	9.787 \| good	0.26 \| good
2025-06-05T04:00:00.000Z	97 \| moderate	33.92 \| fine	146.84 \| fine	32.511 \| good	0.454 \| good	5.9 \| good	0.234 \| good
2025-06-05T05:00:00.000Z	102 \| sensitive	35.856 \| moderate	156.887 \| moderate	33.913 \| good	0.521 \| good	6.891 \| good	0.24 \| good
2025-06-05T06:00:00.000Z	112 \| sensitive	40.007 \| moderate	176.683 \| moderate	34.588 \| good	0.587 \| good	7.883 \| good	0.246 \| good
2025-06-05T07:00:00.000Z	122 \| sensitive	44.177 \| moderate	197.987 \| moderate	32.981 \| good	0.667 \| good	4.656 \| good	0.225 \| good
2025-06-05T08:00:00.000Z	125 \| sensitive	45.216 \| moderate	203.231 \| moderate	29.827 \| good	0.714 \| good	5.273 \| good	0.229 \| good
2025-06-05T09:00:00.000Z	115 \| sensitive	41.158 \| moderate	182.06 \| moderate	27.378 \| good	0.761 \| good	5.889 \| good	0.233 \| good
2025-06-05T10:00:00.000Z	117 \| sensitive	41.763 \| moderate	185.71 \| moderate	18.889 \| good	0.872 \| good	4.249 \| good	0.221 \| good
2025-06-05T11:00:00.000Z	110 \| sensitive	38.557 \| moderate	169.578 \| moderate	20.776 \| good	0.934 \| good	4.771 \| good	0.226 \| good
2025-06-05T12:00:00.000Z	105 \| sensitive	37.301 \| moderate	163.644 \| moderate	20.86 \| good	0.996 \| good	5.292 \| good	0.231 \| good
2025-06-05T13:00:00.000Z	115 \| sensitive	41.362 \| moderate	183.415 \| moderate	21.049 \| good	1.179 \| good	3.077 \| good	0.224 \| good
2025-06-05T14:00:00.000Z	124 \| sensitive	44.853 \| moderate	201.113 \| moderate	21.451 \| good	1.265 \| good	3.597 \| good	0.231 \| good
2025-06-05T15:00:00.000Z	120 \| sensitive	43.262 \| moderate	193.066 \| moderate	25.951 \| good	1.35 \| good	4.117 \| good	0.239 \| good
2025-06-05T16:00:00.000Z	119 \| sensitive	42.575 \| moderate	189.152 \| moderate	30.739 \| good	0.824 \| good	1.326 \| good	0.183 \| good
2025-06-05T17:00:00.000Z	110 \| sensitive	39.398 \| moderate	173.319 \| moderate	34.077 \| good	0.914 \| good	1.476 \| good	0.187 \| good
2025-06-05T18:00:00.000Z	105 \| sensitive	37.158 \| moderate	163.076 \| moderate	35.869 \| good	1.003 \| good	1.625 \| good	0.19 \| good
2025-06-05T19:00:00.000Z	96 \| moderate	32.994 \| fine	142.896 \| fine	40.755 \| good	0.598 \| good	1.131 \| good	0.175 \| good
2025-06-05T20:00:00.000Z	88 \| moderate	29 \| fine	126.287 \| fine	44.113 \| good	0.702 \| good	1.257 \| good	0.178 \| good
2025-06-05T21:00:00.000Z	71 \| moderate	19.66 \| fine	87.316 \| fine	45.072 \| good	0.805 \| good	1.382 \| good	0.181 \| good
2025-06-05T22:00:00.000Z	62 \| moderate	14.764 \| fine	66.358 \| fine	45.042 \| good	0.565 \| good	3.297 \| good	0.197 \| good
2025-06-05T23:00:00.000Z	60 \| moderate	14.235 \| fine	63.908 \| fine	44.574 \| good	0.677 \| good	3.872 \| good	0.204 \| good
2025-06-06T00:00:00.000Z	67 \| moderate	17.719 \| fine	78.838 \| fine	47.397 \| good	0.789 \| good	4.447 \| good	0.21 \| good
2025-06-06T01:00:00.000Z	67 \| moderate	18.352 \| fine	81.125 \| fine	31.426 \| good	0.744 \| good	11.368 \| good	0.289 \| good
2025-06-06T02:00:00.000Z	69 \| moderate	19.332 \| fine	85.122 \| fine	25.213 \| good	0.847 \| good	12.998 \| good	0.302 \| good
2025-06-06T03:00:00.000Z	73 \| moderate	21.433 \| fine	94.582 \| fine	22.128 \| good	0.95 \| good	14.629 \| good	0.314 \| good
2025-06-06T04:00:00.000Z	71 \| moderate	20.358 \| fine	88.835 \| fine	20.415 \| good	0.936 \| good	16.838 \| good	0.348 \| good
2025-06-06T05:00:00.000Z	62 \| moderate	15.19 \| fine	68.54 \| fine	20.402 \| good	1.013 \| good	19.322 \| good	0.366 \| good
2025-06-06T06:00:00.000Z	56 \| moderate	12.197 \| fine	54.621 \| good	20.681 \| good	1.091 \| good	21.807 \| good	0.384 \| good
2025-06-06T07:00:00.000Z	56 \| moderate	11.704 \| good	51.709 \| good	24.239 \| good	0.825 \| good	14.894 \| good	0.336 \| good
2025-06-06T08:00:00.000Z	56 \| moderate	12.359 \| fine	55.206 \| fine	22.206 \| good	0.878 \| good	17.017 \| good	0.35 \| good
2025-06-06T09:00:00.000Z	54 \| moderate	10.877 \| good	48.521 \| good	17.359 \| good	0.932 \| good	19.14 \| good	0.364 \| good
2025-06-06T10:00:00.000Z	69 \| moderate	19.266 \| fine	85.089 \| fine	8.89 \| good	0.775 \| good	9.324 \| good	0.314 \| good
2025-06-06T11:00:00.000Z	67 \| moderate	17.565 \| fine	78.479 \| fine	10.333 \| good	0.824 \| good	10.644 \| good	0.324 \| good
2025-06-06T12:00:00.000Z	73 \| moderate	20.539 \| fine	90.267 \| fine	10.77 \| good	0.872 \| good	11.964 \| good	0.333 \| good
2025-06-06T13:00:00.000Z	75 \| moderate	22.235 \| fine	96.632 \| fine	15.801 \| good	0.93 \| good	6.907 \| good	0.278 \| good
2025-06-06T14:00:00.000Z	75 \| moderate	21.91 \| fine	95.466 \| fine	24.438 \| good	0.97 \| good	7.703 \| good	0.28 \| good
2025-06-06T15:00:00.000Z	62 \| moderate	15.36 \| fine	68.847 \| fine	37.12 \| good	1.01 \| good	8.498 \| good	0.283 \| good
2025-06-06T16:00:00.000Z	58 \| moderate	12.785 \| fine	56.96 \| fine	47.047 \| good	0.968 \| good	3.316 \| good	0.22 \| good

Webster Groves

Empower business decisions with accurate air quality data

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

0.32ppm

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 Webster Groves, Missouri get updated?

Air quality updates for Webster Groves, Missouri are available every hour.

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

Webster Groves, Missouri experienced its worst air quality at 08:00:00, 2025-06-04.

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

The best air quality in Webster Groves, Missouri was observed at 03:00:00 on 2025-06-04.

What is the air quality in Webster Groves, Missouri right now?

The air quality in Webster Groves, Missouri right now is Good, with an AQI of 30.

What pollutant is most frequently found in Webster Groves, Missouri?

In Webster Groves, Missouri, O3 is the most frequently found pollutant.

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

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

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

Webster Groves, Missouri currently has a PM_2.5 concentration of 4.4 μg/m³.

What is the current level of PM₁₀ in Webster Groves, Missouri?

Webster Groves, Missouri currently has a PM₁₀ concentration of 17.595 μg/m³.

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

The current carbon monoxide (CO) level in Webster Groves, Missouri is 0.349 ppm.

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

The current sulfur dioxide (SO₂) concentration in Webster Groves, Missouri is 0.577 ppb.

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

Webster Groves, Missouri currently has an ozone (O₃) concentration of 31.79 ppm.

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

The current level of nitrogen dioxide (NO₂) in Webster Groves, Missouri is 19.162 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-02T23:00:00.000Z	58 \| moderate	13.173 \| fine	55.336 \| fine	54.927 \| good	0.744 \| good	5.114 \| good	0.338 \| good
2025-06-03T00:00:00.000Z	56 \| moderate	11.625 \| good	48.901 \| good	51.04 \| good	0.512 \| good	5.189 \| good	0.338 \| good
2025-06-03T01:00:00.000Z	54 \| moderate	11.386 \| good	46.976 \| good	48.531 \| good	0.674 \| good	6.637 \| good	0.339 \| good
2025-06-03T02:00:00.000Z	52 \| moderate	10.066 \| good	39.144 \| good	38.968 \| good	0.738 \| good	7.441 \| good	0.27 \| good
2025-06-03T03:00:00.000Z	44 \| good	8.204 \| good	34.856 \| good	37.901 \| good	0.893 \| good	6.962 \| good	0.27 \| good
2025-06-03T04:00:00.000Z	49 \| good	9.017 \| good	38.362 \| good	39.676 \| good	1.189 \| good	8.123 \| good	0.27 \| good
2025-06-03T05:00:00.000Z	52 \| moderate	9.826 \| good	41.858 \| good	32.601 \| good	0.743 \| good	8.606 \| good	0.269 \| good
2025-06-03T06:00:00.000Z	49 \| good	8.732 \| good	35.014 \| good	35.307 \| good	0.717 \| good	9.684 \| good	0.27 \| good
2025-06-03T07:00:00.000Z	49 \| good	8.732 \| good	35.014 \| good	27.661 \| good	0.684 \| good	9.511 \| good	0.271 \| good
2025-06-03T08:00:00.000Z	49 \| good	8.732 \| good	35.014 \| good	28.183 \| good	0.723 \| good	9.61 \| good	0.269 \| good
2025-06-03T09:00:00.000Z	52 \| moderate	9.737 \| good	41.121 \| good	25.568 \| good	0.944 \| good	6.649 \| good	0.242 \| good
2025-06-03T10:00:00.000Z	49 \| good	9.189 \| good	36.355 \| good	24.864 \| good	1.056 \| good	8.183 \| good	0.173 \| good
2025-06-03T11:00:00.000Z	44 \| good	8.061 \| good	34.609 \| good	28.308 \| good	0.927 \| good	11.405 \| good	0.242 \| good
2025-06-03T12:00:00.000Z	44 \| good	8.061 \| good	34.609 \| good	27.568 \| good	0.92 \| good	11.375 \| good	0.243 \| good
2025-06-03T13:00:00.000Z	49 \| good	9.255 \| good	39.818 \| good	31.649 \| good	0.56 \| good	11.661 \| good	0.339 \| good
2025-06-03T14:00:00.000Z	54 \| moderate	10.5 \| good	43.016 \| good	34.231 \| good	0.757 \| good	7.918 \| good	0.312 \| good
2025-06-03T15:00:00.000Z	56 \| moderate	11.508 \| good	48.351 \| good	35.507 \| good	0.966 \| good	5.906 \| good	0.27 \| good
2025-06-03T16:00:00.000Z	58 \| moderate	12.593 \| fine	51.386 \| good	40.709 \| good	0.535 \| good	4.743 \| good	0.269 \| good
2025-06-03T17:00:00.000Z	56 \| moderate	12.283 \| fine	50.207 \| good	43.313 \| good	0.477 \| good	4.854 \| good	0.269 \| good
2025-06-03T18:00:00.000Z	56 \| moderate	12.303 \| fine	54.486 \| good	47.212 \| good	0.377 \| good	3.961 \| good	0.269 \| good
2025-06-03T19:00:00.000Z	60 \| moderate	13.623 \| fine	58.009 \| fine	46.964 \| good	0.546 \| good	3.848 \| good	0.269 \| good
2025-06-03T20:00:00.000Z	60 \| moderate	13.586 \| fine	58.346 \| fine	46.74 \| good	0.548 \| good	4.526 \| good	0.268 \| good
2025-06-03T21:00:00.000Z	58 \| moderate	13.263 \| fine	56.686 \| fine	47.13 \| good	0.539 \| good	3.998 \| good	0.339 \| good
2025-06-03T22:00:00.000Z	60 \| moderate	13.785 \| fine	58.773 \| fine	46.713 \| good	0.558 \| good	4.286 \| good	0.269 \| good
2025-06-03T23:00:00.000Z	58 \| moderate	13.087 \| fine	56.177 \| fine	45.179 \| good	0.382 \| good	4.491 \| good	0.269 \| good
2025-06-04T00:00:00.000Z	58 \| moderate	13.201 \| fine	56.668 \| fine	44.108 \| good	0.525 \| good	4.528 \| good	0.27 \| good
2025-06-04T01:00:00.000Z	60 \| moderate	13.795 \| fine	58.515 \| fine	44.232 \| good	0.562 \| good	5.962 \| good	0.269 \| good
2025-06-04T02:00:00.000Z	60 \| moderate	13.729 \| fine	58.861 \| fine	44.204 \| good	0.503 \| good	6.5 \| good	0.27 \| good
2025-06-04T03:00:00.000Z	49 \| good	8.592 \| good	37.924 \| good	45.868 \| good	0.621 \| good	3.73 \| good	0.239 \| good
2025-06-04T04:00:00.000Z	60 \| moderate	13.926 \| fine	59.32 \| fine	41.385 \| good	0.976 \| good	6.527 \| good	0.269 \| good
2025-06-04T05:00:00.000Z	62 \| moderate	14.84 \| fine	62.731 \| fine	38.616 \| good	0.649 \| good	8.409 \| good	0.276 \| good
2025-06-04T06:00:00.000Z	62 \| moderate	15.375 \| fine	63.309 \| fine	39.052 \| good	0.725 \| good	6.832 \| good	0.275 \| good
2025-06-04T07:00:00.000Z	62 \| moderate	15.375 \| fine	63.309 \| fine	37.946 \| good	0.726 \| good	6.763 \| good	0.276 \| good
2025-06-04T08:00:00.000Z	62 \| moderate	15.375 \| fine	63.309 \| fine	37.172 \| good	0.726 \| good	6.769 \| good	0.275 \| good
2025-06-04T09:00:00.000Z	35 \| good	4.578 \| good	19.244 \| good	37.902 \| good	0.67 \| good	2.461 \| good	0.109 \| good
2025-06-04T10:00:00.000Z	39 \| good	2.773 \| good	10.777 \| good	42.02 \| good	0.419 \| good	5.471 \| good	0.178 \| good
2025-06-04T11:00:00.000Z	35 \| good	2.577 \| good	10.446 \| good	38.018 \| good	0.351 \| good	11.121 \| good	0.181 \| good
2025-06-04T12:00:00.000Z	33 \| good	2.717 \| good	11.308 \| good	35.973 \| good	0.511 \| good	15.526 \| good	0.275 \| good
2025-06-04T13:00:00.000Z	49 \| good	8.936 \| good	39.401 \| good	31.662 \| good	0.347 \| good	2.561 \| good	0.202 \| good
2025-06-04T14:00:00.000Z	31 \| good	2.751 \| good	10.551 \| good	33.46 \| good	0.511 \| good	20.762 \| good	0.35 \| good
2025-06-04T15:00:00.000Z	30 \| good	4.4 \| good	17.595 \| good	31.79 \| good	0.577 \| good	19.162 \| good	0.349 \| good
2025-06-04T16:00:00.000Z	38 \| good	7.224 \| good	30.631 \| good	30.726 \| good	0.414 \| good	11.953 \| good	0.345 \| good
2025-06-04T17:00:00.000Z	52 \| moderate	9.907 \| good	41.765 \| good	33.871 \| good	0.415 \| good	8.466 \| good	0.344 \| good
2025-06-04T18:00:00.000Z	52 \| moderate	9.809 \| good	41.535 \| good	32.984 \| good	0.516 \| good	6.04 \| good	0.277 \| good
2025-06-04T19:00:00.000Z	54 \| moderate	10.704 \| good	46.033 \| good	34.899 \| good	0.548 \| good	5.767 \| good	0.279 \| good
2025-06-04T20:00:00.000Z	58 \| moderate	12.85 \| fine	52.265 \| good	34.8 \| good	0.533 \| good	6.947 \| good	0.343 \| good
2025-06-04T21:00:00.000Z	56 \| moderate	11.548 \| good	45.362 \| good	35.136 \| good	0.371 \| good	7.028 \| good	0.275 \| good
2025-06-04T22:00:00.000Z	33 \| good	5.977 \| good	22.954 \| good	36.293 \| good	0.45 \| good	8.908 \| good	0.179 \| good
2025-06-04T16:00:00.000Z	30 \| good	4.4 \| good	17.595 \| good	31.79 \| good	0.577 \| good	19.162 \| good	0.349 \| good
2025-06-04T17:00:00.000Z	44 \| good	8.117 \| good	35.808 \| good	36.968 \| good	0.507 \| good	1.912 \| good	0.203 \| good
2025-06-04T18:00:00.000Z	54 \| moderate	11.348 \| good	50.585 \| good	45.499 \| good	0.615 \| good	2.252 \| good	0.211 \| good
2025-06-04T19:00:00.000Z	39 \| good	6.649 \| good	29.565 \| good	42.145 \| good	0.395 \| good	1.747 \| good	0.197 \| good
2025-06-04T20:00:00.000Z	54 \| moderate	11.198 \| good	49.376 \| good	41.393 \| good	0.508 \| good	2.081 \| good	0.202 \| good
2025-06-04T21:00:00.000Z	66 \| moderate	17.398 \| fine	76.453 \| fine	45.721 \| good	0.621 \| good	2.416 \| good	0.208 \| good
2025-06-04T22:00:00.000Z	71 \| moderate	20.179 \| fine	89.022 \| fine	45.674 \| good	0.285 \| good	3.177 \| good	0.208 \| good
2025-06-04T23:00:00.000Z	73 \| moderate	21.143 \| fine	92.737 \| fine	45.795 \| good	0.367 \| good	3.907 \| good	0.217 \| good
2025-06-05T00:00:00.000Z	82 \| moderate	25.735 \| fine	112.579 \| fine	41.277 \| good	0.449 \| good	4.637 \| good	0.225 \| good
2025-06-05T01:00:00.000Z	81 \| moderate	24.834 \| fine	107.491 \| fine	35.017 \| good	0.38 \| good	7.212 \| good	0.241 \| good
2025-06-05T02:00:00.000Z	84 \| moderate	26.652 \| fine	115.437 \| fine	32.883 \| good	0.468 \| good	8.499 \| good	0.25 \| good
2025-06-05T03:00:00.000Z	94 \| moderate	31.533 \| fine	136.703 \| fine	31.683 \| good	0.555 \| good	9.787 \| good	0.26 \| good
2025-06-05T04:00:00.000Z	97 \| moderate	33.92 \| fine	146.84 \| fine	32.511 \| good	0.454 \| good	5.9 \| good	0.234 \| good
2025-06-05T05:00:00.000Z	102 \| sensitive	35.856 \| moderate	156.887 \| moderate	33.913 \| good	0.521 \| good	6.891 \| good	0.24 \| good
2025-06-05T06:00:00.000Z	112 \| sensitive	40.007 \| moderate	176.683 \| moderate	34.588 \| good	0.587 \| good	7.883 \| good	0.246 \| good
2025-06-05T07:00:00.000Z	122 \| sensitive	44.177 \| moderate	197.987 \| moderate	32.981 \| good	0.667 \| good	4.656 \| good	0.225 \| good
2025-06-05T08:00:00.000Z	125 \| sensitive	45.216 \| moderate	203.231 \| moderate	29.827 \| good	0.714 \| good	5.273 \| good	0.229 \| good
2025-06-05T09:00:00.000Z	115 \| sensitive	41.158 \| moderate	182.06 \| moderate	27.378 \| good	0.761 \| good	5.889 \| good	0.233 \| good
2025-06-05T10:00:00.000Z	117 \| sensitive	41.763 \| moderate	185.71 \| moderate	18.889 \| good	0.872 \| good	4.249 \| good	0.221 \| good
2025-06-05T11:00:00.000Z	110 \| sensitive	38.557 \| moderate	169.578 \| moderate	20.776 \| good	0.934 \| good	4.771 \| good	0.226 \| good
2025-06-05T12:00:00.000Z	105 \| sensitive	37.301 \| moderate	163.644 \| moderate	20.86 \| good	0.996 \| good	5.292 \| good	0.231 \| good
2025-06-05T13:00:00.000Z	115 \| sensitive	41.362 \| moderate	183.415 \| moderate	21.049 \| good	1.179 \| good	3.077 \| good	0.224 \| good
2025-06-05T14:00:00.000Z	124 \| sensitive	44.853 \| moderate	201.113 \| moderate	21.451 \| good	1.265 \| good	3.597 \| good	0.231 \| good
2025-06-05T15:00:00.000Z	120 \| sensitive	43.262 \| moderate	193.066 \| moderate	25.951 \| good	1.35 \| good	4.117 \| good	0.239 \| good
2025-06-05T16:00:00.000Z	119 \| sensitive	42.575 \| moderate	189.152 \| moderate	30.739 \| good	0.824 \| good	1.326 \| good	0.183 \| good
2025-06-05T17:00:00.000Z	110 \| sensitive	39.398 \| moderate	173.319 \| moderate	34.077 \| good	0.914 \| good	1.476 \| good	0.187 \| good
2025-06-05T18:00:00.000Z	105 \| sensitive	37.158 \| moderate	163.076 \| moderate	35.869 \| good	1.003 \| good	1.625 \| good	0.19 \| good
2025-06-05T19:00:00.000Z	96 \| moderate	32.994 \| fine	142.896 \| fine	40.755 \| good	0.598 \| good	1.131 \| good	0.175 \| good
2025-06-05T20:00:00.000Z	88 \| moderate	29 \| fine	126.287 \| fine	44.113 \| good	0.702 \| good	1.257 \| good	0.178 \| good
2025-06-05T21:00:00.000Z	71 \| moderate	19.66 \| fine	87.316 \| fine	45.072 \| good	0.805 \| good	1.382 \| good	0.181 \| good
2025-06-05T22:00:00.000Z	62 \| moderate	14.764 \| fine	66.358 \| fine	45.042 \| good	0.565 \| good	3.297 \| good	0.197 \| good
2025-06-05T23:00:00.000Z	60 \| moderate	14.235 \| fine	63.908 \| fine	44.574 \| good	0.677 \| good	3.872 \| good	0.204 \| good
2025-06-06T00:00:00.000Z	67 \| moderate	17.719 \| fine	78.838 \| fine	47.397 \| good	0.789 \| good	4.447 \| good	0.21 \| good
2025-06-06T01:00:00.000Z	67 \| moderate	18.352 \| fine	81.125 \| fine	31.426 \| good	0.744 \| good	11.368 \| good	0.289 \| good
2025-06-06T02:00:00.000Z	69 \| moderate	19.332 \| fine	85.122 \| fine	25.213 \| good	0.847 \| good	12.998 \| good	0.302 \| good
2025-06-06T03:00:00.000Z	73 \| moderate	21.433 \| fine	94.582 \| fine	22.128 \| good	0.95 \| good	14.629 \| good	0.314 \| good
2025-06-06T04:00:00.000Z	71 \| moderate	20.358 \| fine	88.835 \| fine	20.415 \| good	0.936 \| good	16.838 \| good	0.348 \| good
2025-06-06T05:00:00.000Z	62 \| moderate	15.19 \| fine	68.54 \| fine	20.402 \| good	1.013 \| good	19.322 \| good	0.366 \| good
2025-06-06T06:00:00.000Z	56 \| moderate	12.197 \| fine	54.621 \| good	20.681 \| good	1.091 \| good	21.807 \| good	0.384 \| good
2025-06-06T07:00:00.000Z	56 \| moderate	11.704 \| good	51.709 \| good	24.239 \| good	0.825 \| good	14.894 \| good	0.336 \| good
2025-06-06T08:00:00.000Z	56 \| moderate	12.359 \| fine	55.206 \| fine	22.206 \| good	0.878 \| good	17.017 \| good	0.35 \| good
2025-06-06T09:00:00.000Z	54 \| moderate	10.877 \| good	48.521 \| good	17.359 \| good	0.932 \| good	19.14 \| good	0.364 \| good
2025-06-06T10:00:00.000Z	69 \| moderate	19.266 \| fine	85.089 \| fine	8.89 \| good	0.775 \| good	9.324 \| good	0.314 \| good
2025-06-06T11:00:00.000Z	67 \| moderate	17.565 \| fine	78.479 \| fine	10.333 \| good	0.824 \| good	10.644 \| good	0.324 \| good
2025-06-06T12:00:00.000Z	73 \| moderate	20.539 \| fine	90.267 \| fine	10.77 \| good	0.872 \| good	11.964 \| good	0.333 \| good
2025-06-06T13:00:00.000Z	75 \| moderate	22.235 \| fine	96.632 \| fine	15.801 \| good	0.93 \| good	6.907 \| good	0.278 \| good
2025-06-06T14:00:00.000Z	75 \| moderate	21.91 \| fine	95.466 \| fine	24.438 \| good	0.97 \| good	7.703 \| good	0.28 \| good
2025-06-06T15:00:00.000Z	62 \| moderate	15.36 \| fine	68.847 \| fine	37.12 \| good	1.01 \| good	8.498 \| good	0.283 \| good
2025-06-06T16:00:00.000Z	58 \| moderate	12.785 \| fine	56.96 \| fine	47.047 \| good	0.968 \| good	3.316 \| good	0.22 \| good

Current air quality index in Webster Groves, Missouri today

Major air pollutants in Webster Groves, Missouri

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Webster Groves, Missouri air quality forecast and history

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

Air quality in nearby cities

Kirkwood, Missouri

Crestwood, Missouri

Affton, Missouri

Clayton, Missouri

University City, Missouri

Lemay, Missouri

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Frequently asked questions

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What is the PM2.5 concentration in Webster Groves, Missouri right now?

What is the current level of PM10 in Webster Groves, Missouri?

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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

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