What are the current PM10 levels at Ballwin, Missouri?

The current PM10 levels in Ballwin, Missouri are 16.717 μg/m3.

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

The current sulfur dioxide (SO2) levels in Ballwin, Missouri are 0.995 ppb.

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

The current ozone (O3) levels at Ballwin, Missouri is 25.979 ppm.

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

The current nitrogen dioxide (NO2) levels at Ballwin, Missouri is 4.793 ppb.

Real-time air quality index in Ballwin, Missouri today

Q: What are the current PM2.5 levels in Ballwin, Missouri?

The measured PM2.5 levels in Ballwin, Missouri at present are 5.017 μg/m3.

Stay updated with real-time air quality in Ballwin, 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

Ballwin, Missouri

Last updated: ... (Local time)

Common air pollutants in Ballwin, Missouri

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

2.62 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

9.89 μg/m³

155

255

425

605+

Ozone (O₃)

21.18 ppb

201

201+

Sulfur Dioxide (SO₂)

0.43 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.32 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.14 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Ballwin, Missouri

Get Live Pollen Counts

Ballwin, Missouri

Scroll To Air Quality Map

Track live Ballwin, Missouri air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-05-19T12:00:00.000Z	33 \| good	5.708 \| good	24.496 \| good	28.321 \| good	0.555 \| good	7.251 \| good	0.212 \| good
2026-05-19T13:00:00.000Z	30 \| good	3.514 \| good	21.971 \| good	31.703 \| good	0.474 \| good	9.062 \| good	0.251 \| good
2026-05-19T14:00:00.000Z	28 \| good	3.181 \| good	13.193 \| good	29.805 \| good	0.891 \| good	7.54 \| good	0.259 \| good
2026-05-19T15:00:00.000Z	34 \| good	3.5 \| good	13.913 \| good	37.094 \| good	0.909 \| good	7.09 \| good	0.247 \| good
2026-05-19T16:00:00.000Z	37 \| good	4.379 \| good	17.599 \| good	40.191 \| good	0.538 \| good	6.39 \| good	0.247 \| good
2026-05-19T17:00:00.000Z	36 \| good	4.423 \| good	22.104 \| good	38.576 \| good	0.541 \| good	7.386 \| good	0.212 \| good
2026-05-19T18:00:00.000Z	34 \| good	4.858 \| good	21.973 \| good	37.439 \| good	0.506 \| good	8.496 \| good	0.195 \| good
2026-05-19T19:00:00.000Z	40 \| good	6.756 \| good	25.41 \| good	42.866 \| good	1.223 \| good	5.736 \| good	0.247 \| good
2026-05-19T20:00:00.000Z	41 \| good	5.393 \| good	25.132 \| good	44.41 \| good	2.724 \| good	5.965 \| good	0.195 \| good
2026-05-19T21:00:00.000Z	41 \| good	6.05 \| good	26.531 \| good	44.15 \| good	5.321 \| good	5.553 \| good	0.195 \| good
2026-05-19T22:00:00.000Z	31 \| good	4.937 \| good	19.759 \| good	33.094 \| good	1.031 \| good	2.748 \| good	0.195 \| good
2026-05-19T23:00:00.000Z	33 \| good	5.712 \| good	25.1 \| good	34.021 \| good	0.658 \| good	3.198 \| good	0.197 \| good
2026-05-20T00:00:00.000Z	33 \| good	5.601 \| good	20.566 \| good	34.163 \| good	0.4 \| good	2.624 \| good	0.108 \| good
2026-05-20T01:00:00.000Z	33 \| good	5.572 \| good	23.295 \| good	35.214 \| good	0.477 \| good	2.555 \| good	0.108 \| good
2026-05-20T02:00:00.000Z	33 \| good	4.66 \| good	17.382 \| good	35.912 \| good	0.464 \| good	2.788 \| good	0.108 \| good
2026-05-20T03:00:00.000Z	24 \| good	3.417 \| good	19.875 \| good	25.659 \| good	0.347 \| good	3.455 \| good	0.108 \| good
2026-05-20T04:00:00.000Z	26 \| good	3.109 \| good	13.743 \| good	28.11 \| good	0.738 \| good	4.489 \| good	0.108 \| good
2026-05-20T05:00:00.000Z	23 \| good	2.849 \| good	12.142 \| good	25.387 \| good	0.71 \| good	2.944 \| good	0.108 \| good
2026-05-20T06:00:00.000Z	19 \| good	3.038 \| good	12.107 \| good	20.807 \| good	0.388 \| good	2.41 \| good	0.108 \| good
2026-05-20T07:00:00.000Z	19 \| good	2.689 \| good	11.785 \| good	21.29 \| good	0.384 \| good	2.466 \| good	0.108 \| good
2026-05-20T08:00:00.000Z	19 \| good	3.263 \| good	15.158 \| good	20.119 \| good	0.377 \| good	2.485 \| good	0.108 \| good
2026-05-20T09:00:00.000Z	20 \| good	2.414 \| good	11.985 \| good	21.653 \| good	0.727 \| good	2.187 \| good	0.108 \| good
2026-05-20T10:00:00.000Z	20 \| good	2.215 \| good	10.5 \| good	21.673 \| good	0.587 \| good	2.476 \| good	0.108 \| good
2026-05-20T11:00:00.000Z	20 \| good	2.41 \| good	13.041 \| good	21.958 \| good	0.329 \| good	3.314 \| good	0.108 \| good
2026-05-20T12:00:00.000Z	21 \| good	2.087 \| good	12.444 \| good	23.043 \| good	0.288 \| good	3.85 \| good	0.108 \| good
2026-05-20T13:00:00.000Z	19 \| good	2.029 \| good	9.662 \| good	19.776 \| good	0.281 \| good	4.408 \| good	0.108 \| good
2026-05-20T14:00:00.000Z	19 \| good	2.995 \| good	14.907 \| good	21.063 \| good	0.529 \| good	3.735 \| good	0.148 \| good
2026-05-20T15:00:00.000Z	19 \| good	2.766 \| good	14.271 \| good	20.211 \| good	0.328 \| good	3.562 \| good	0.143 \| good
2026-05-20T16:00:00.000Z	22 \| good	3.745 \| good	18.099 \| good	22.454 \| good	0.397 \| good	3.506 \| good	0.143 \| good
2026-05-20T17:00:00.000Z	20 \| good	2.914 \| good	14.179 \| good	22.439 \| good	0.382 \| good	2.712 \| good	0.143 \| good
2026-05-20T18:00:00.000Z	22 \| good	4.142 \| good	13.133 \| good	23.601 \| good	0.287 \| good	2.53 \| good	0.104 \| good
2026-05-20T19:00:00.000Z	33 \| good	6.061 \| good	33.981 \| good	25.969 \| good	0.426 \| good	2.846 \| good	0.104 \| good
2026-05-20T20:00:00.000Z	26 \| good	4.283 \| good	15.27 \| good	27.92 \| good	0.405 \| good	2.236 \| good	0.104 \| good
2026-05-20T21:00:00.000Z	27 \| good	3.297 \| good	13.126 \| good	29.403 \| good	0.407 \| good	2.421 \| good	0.139 \| good
2026-05-20T22:00:00.000Z	30 \| good	3.965 \| good	17.839 \| good	32.181 \| good	0.444 \| good	2.445 \| good	0.143 \| good
2026-05-20T23:00:00.000Z	34 \| good	3.857 \| good	15.678 \| good	36.865 \| good	1.024 \| good	3.694 \| good	0.143 \| good
2026-05-21T00:00:00.000Z	29 \| good	4.673 \| good	18.157 \| good	31.093 \| good	0.843 \| good	3.348 \| good	0.143 \| good
2026-05-21T01:00:00.000Z	31 \| good	4.725 \| good	8.397 \| good	33.202 \| good	0.831 \| good	4.013 \| good	0.195 \| good
2026-05-21T02:00:00.000Z	38 \| good	7.007 \| good	34.202 \| good	36.771 \| good	0.538 \| good	4.956 \| good	0.139 \| good
2026-05-21T03:00:00.000Z	27 \| good	5.419 \| good	10.143 \| good	27.531 \| good	2.027 \| good	6.436 \| good	0.191 \| good
2026-05-21T04:00:00.000Z	33 \| good	5.656 \| good	10.28 \| good	29.482 \| good	0.389 \| good	5.796 \| good	0.191 \| good
2026-05-21T05:00:00.000Z	33 \| good	5.977 \| good	13.124 \| good	27.94 \| good	0.292 \| good	5.934 \| good	0.191 \| good
2026-05-21T06:00:00.000Z	22 \| good	4.307 \| good	11.614 \| good	21.636 \| good	0.959 \| good	3.615 \| good	0.191 \| good
2026-05-21T07:00:00.000Z	23 \| good	4.435 \| good	16.828 \| good	24.85 \| good	0.978 \| good	4.498 \| good	0.191 \| good
2026-05-21T08:00:00.000Z	27 \| good	5.017 \| good	16.717 \| good	25.979 \| good	0.995 \| good	4.793 \| good	0.191 \| good
2026-05-21T09:00:00.000Z	22 \| good	3.131 \| good	11.73 \| good	23.599 \| good	0.331 \| good	5.088 \| good	0.139 \| good
2026-05-21T10:00:00.000Z	19 \| good	2.621 \| good	9.889 \| good	21.181 \| good	0.428 \| good	4.323 \| good	0.139 \| good
2026-05-21T11:00:00.000Z	19 \| good	2.774 \| good	11.604 \| good	20.264 \| good	0.342 \| good	5.972 \| good	0.139 \| good
2026-05-21T11:00:00.000Z	19 \| good	2.621 \| good	9.889 \| good	21.181 \| good	0.428 \| good	4.323 \| good	0.139 \| good
2026-05-21T09:00:00.000Z	33 \| good	5.53 \| good	23.822 \| good	24.586 \| good	0.74 \| good	4.895 \| good	0.147 \| good
2026-05-21T10:00:00.000Z	44 \| good	8.046 \| good	35.322 \| good	28.121 \| good	0.789 \| good	4.554 \| good	0.142 \| good
2026-05-21T11:00:00.000Z	44 \| good	8.247 \| good	36.361 \| good	19.09 \| good	0.846 \| good	4.505 \| good	0.139 \| good
2026-05-21T12:00:00.000Z	49 \| good	9.033 \| good	40.448 \| good	15.81 \| good	0.887 \| good	4.482 \| good	0.138 \| good
2026-05-21T13:00:00.000Z	52 \| moderate	10.214 \| good	45.126 \| good	18.568 \| good	0.935 \| good	4.724 \| good	0.14 \| good
2026-05-21T14:00:00.000Z	49 \| good	9.277 \| good	41.28 \| good	22.04 \| good	1.004 \| good	4.946 \| good	0.145 \| good
2026-05-21T15:00:00.000Z	44 \| good	8.334 \| good	36.556 \| good	27.259 \| good	1.089 \| good	4.472 \| good	0.149 \| good
2026-05-21T16:00:00.000Z	44 \| good	7.513 \| good	32.91 \| good	28.484 \| good	1.187 \| good	3.378 \| good	0.15 \| good
2026-05-21T17:00:00.000Z	29 \| good	5.156 \| good	22.108 \| good	30.599 \| good	1.258 \| good	2.797 \| good	0.151 \| good
2026-05-21T18:00:00.000Z	44 \| good	7.635 \| good	33.565 \| good	38.159 \| good	1.253 \| good	2.148 \| good	0.149 \| good
2026-05-21T19:00:00.000Z	39 \| good	6.229 \| good	27.66 \| good	42.215 \| good	1.145 \| good	1.579 \| good	0.146 \| good
2026-05-21T20:00:00.000Z	38 \| good	5.936 \| good	26.362 \| good	41.483 \| good	0.98 \| good	1.531 \| good	0.142 \| good
2026-05-21T21:00:00.000Z	37 \| good	4.418 \| good	19.274 \| good	39.821 \| good	0.944 \| good	1.683 \| good	0.142 \| good
2026-05-21T22:00:00.000Z	38 \| good	4.581 \| good	19.946 \| good	41.211 \| good	0.914 \| good	1.909 \| good	0.142 \| good
2026-05-21T23:00:00.000Z	40 \| good	4.897 \| good	21.242 \| good	42.521 \| good	0.894 \| good	2.259 \| good	0.144 \| good
2026-05-22T00:00:00.000Z	39 \| good	6.574 \| good	29.307 \| good	42.292 \| good	0.848 \| good	3.096 \| good	0.149 \| good
2026-05-22T01:00:00.000Z	38 \| good	6.849 \| good	30.541 \| good	40.23 \| good	0.84 \| good	4.406 \| good	0.154 \| good
2026-05-22T02:00:00.000Z	44 \| good	7.924 \| good	34.72 \| good	39.089 \| good	0.837 \| good	5.305 \| good	0.157 \| good
2026-05-22T03:00:00.000Z	40 \| good	5.445 \| good	23.27 \| good	42.95 \| good	0.819 \| good	5.642 \| good	0.157 \| good
2026-05-22T04:00:00.000Z	39 \| good	5.045 \| good	21.725 \| good	41.606 \| good	0.8 \| good	5.901 \| good	0.156 \| good
2026-05-22T05:00:00.000Z	38 \| good	5.458 \| good	23.452 \| good	40.728 \| good	0.789 \| good	5.881 \| good	0.156 \| good
2026-05-22T06:00:00.000Z	35 \| good	3.802 \| good	16.688 \| good	38.033 \| good	0.772 \| good	5.505 \| good	0.153 \| good
2026-05-22T07:00:00.000Z	31 \| good	2.71 \| good	11.116 \| good	32.815 \| good	0.762 \| good	5.126 \| good	0.15 \| good
2026-05-22T08:00:00.000Z	27 \| good	3.358 \| good	14.479 \| good	28.745 \| good	0.747 \| good	5.041 \| good	0.149 \| good
2026-05-22T09:00:00.000Z	27 \| good	5.261 \| good	22.575 \| good	26.78 \| good	0.74 \| good	5.083 \| good	0.149 \| good
2026-05-22T10:00:00.000Z	52 \| moderate	9.534 \| good	42.627 \| good	24.288 \| good	0.744 \| good	5.219 \| good	0.15 \| good
2026-05-22T11:00:00.000Z	54 \| moderate	11.488 \| good	50.855 \| good	18.587 \| good	0.77 \| good	5.337 \| good	0.151 \| good
2026-05-22T12:00:00.000Z	58 \| moderate	13.175 \| fine	59.304 \| fine	13.507 \| good	0.806 \| good	5.257 \| good	0.153 \| good
2026-05-22T13:00:00.000Z	60 \| moderate	13.61 \| fine	61 \| fine	16.218 \| good	0.864 \| good	5.58 \| good	0.159 \| good
2026-05-22T14:00:00.000Z	58 \| moderate	13.196 \| fine	59.297 \| fine	19.623 \| good	0.918 \| good	5.987 \| good	0.167 \| good
2026-05-22T15:00:00.000Z	60 \| moderate	14.48 \| fine	64.932 \| fine	24.652 \| good	0.997 \| good	5.594 \| good	0.171 \| good
2026-05-22T16:00:00.000Z	60 \| moderate	13.925 \| fine	62.88 \| fine	26.991 \| good	1.08 \| good	4.78 \| good	0.169 \| good
2026-05-22T17:00:00.000Z	56 \| moderate	12.308 \| fine	55.334 \| fine	28.575 \| good	1.052 \| good	3.613 \| good	0.166 \| good
2026-05-22T18:00:00.000Z	60 \| moderate	13.531 \| fine	60.997 \| fine	28.252 \| good	0.968 \| good	2.908 \| good	0.163 \| good
2026-05-22T19:00:00.000Z	58 \| moderate	13.382 \| fine	60.283 \| fine	23.461 \| good	0.936 \| good	2.88 \| good	0.163 \| good
2026-05-22T20:00:00.000Z	58 \| moderate	12.873 \| fine	58.318 \| fine	24.078 \| good	0.862 \| good	2.802 \| good	0.164 \| good
2026-05-22T21:00:00.000Z	54 \| moderate	10.692 \| good	47.329 \| good	23.907 \| good	0.806 \| good	3.393 \| good	0.168 \| good
2026-05-22T22:00:00.000Z	56 \| moderate	12.3 \| fine	55.462 \| fine	23.067 \| good	0.775 \| good	4.276 \| good	0.173 \| good
2026-05-22T23:00:00.000Z	58 \| moderate	12.727 \| fine	56.843 \| fine	20.277 \| good	0.766 \| good	5.162 \| good	0.181 \| good
2026-05-23T00:00:00.000Z	66 \| moderate	16.761 \| fine	74.5 \| fine	22.384 \| good	0.747 \| good	6.299 \| good	0.189 \| good
2026-05-23T01:00:00.000Z	60 \| moderate	14.492 \| fine	64.743 \| fine	21.991 \| good	0.714 \| good	7.131 \| good	0.192 \| good
2026-05-23T02:00:00.000Z	60 \| moderate	14.377 \| fine	64.198 \| fine	21.42 \| good	0.701 \| good	8.702 \| good	0.2 \| good
2026-05-23T03:00:00.000Z	62 \| moderate	14.76 \| fine	65.786 \| fine	17.602 \| good	0.689 \| good	9.608 \| good	0.205 \| good
2026-05-23T04:00:00.000Z	60 \| moderate	13.862 \| fine	62.093 \| fine	14.854 \| good	0.688 \| good	10.207 \| good	0.209 \| good
2026-05-23T05:00:00.000Z	64 \| moderate	15.507 \| fine	69.475 \| fine	12.308 \| good	0.683 \| good	10.076 \| good	0.209 \| good
2026-05-23T06:00:00.000Z	27 \| good	5.074 \| good	5.08 \| good	8.917 \| good	0.663 \| good	9.149 \| good	0.204 \| good
2026-05-23T07:00:00.000Z	64 \| moderate	15.95 \| fine	70.818 \| fine	12.456 \| good	0.643 \| good	8.425 \| good	0.2 \| good
2026-05-23T08:00:00.000Z	66 \| moderate	17.437 \| fine	77.653 \| fine	13.141 \| good	0.607 \| good	7.868 \| good	0.197 \| good

Ballwin

Empower business decisions with accurate air quality data

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

0.19ppm

How accurate is Missouri, USA air quality data?

Air quality measurements for Missouri, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Frequently asked questions

How frequently is the air quality data for Ballwin, Missouri updated?

Air quality data for Ballwin, Missouri is updated on an hourly basis.

When did Ballwin, Missouri experience the worst air quality in the last 24 hours?

The worst air quality in Ballwin, Missouri was recorded at 02:00:00 on 2026-05-21.

When did Ballwin, Missouri have its best air quality in the last 24 hours?

The best air quality in Ballwin, Missouri was recorded at 03:00:00 on 2026-05-20.

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

The real-time air quality index in Ballwin, Missouri is 27, currently categorized as Good.

Which pollutant is found most often in Ballwin, Missouri?

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

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

If the air quality in Ballwin, Missouri is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Ballwin, Missouri?

The measured PM_2.5 levels in Ballwin, Missouri at present are 5.017 μg/m³.

What are the current PM₁₀ levels at Ballwin, Missouri?

The current PM₁₀ levels in Ballwin, Missouri are 16.717 μg/m³.

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

The current carbon monoxide (CO) level in Ballwin, Missouri is 0.191 ppm.

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

The current sulfur dioxide (SO₂) levels in Ballwin, Missouri are 0.995 ppb.

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

The current ozone (O₃) levels at Ballwin, Missouri is 25.979 ppm.

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

The current nitrogen dioxide (NO₂) levels at Ballwin, Missouri is 4.793 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-05-19T12:00:00.000Z	33 \| good	5.708 \| good	24.496 \| good	28.321 \| good	0.555 \| good	7.251 \| good	0.212 \| good
2026-05-19T13:00:00.000Z	30 \| good	3.514 \| good	21.971 \| good	31.703 \| good	0.474 \| good	9.062 \| good	0.251 \| good
2026-05-19T14:00:00.000Z	28 \| good	3.181 \| good	13.193 \| good	29.805 \| good	0.891 \| good	7.54 \| good	0.259 \| good
2026-05-19T15:00:00.000Z	34 \| good	3.5 \| good	13.913 \| good	37.094 \| good	0.909 \| good	7.09 \| good	0.247 \| good
2026-05-19T16:00:00.000Z	37 \| good	4.379 \| good	17.599 \| good	40.191 \| good	0.538 \| good	6.39 \| good	0.247 \| good
2026-05-19T17:00:00.000Z	36 \| good	4.423 \| good	22.104 \| good	38.576 \| good	0.541 \| good	7.386 \| good	0.212 \| good
2026-05-19T18:00:00.000Z	34 \| good	4.858 \| good	21.973 \| good	37.439 \| good	0.506 \| good	8.496 \| good	0.195 \| good
2026-05-19T19:00:00.000Z	40 \| good	6.756 \| good	25.41 \| good	42.866 \| good	1.223 \| good	5.736 \| good	0.247 \| good
2026-05-19T20:00:00.000Z	41 \| good	5.393 \| good	25.132 \| good	44.41 \| good	2.724 \| good	5.965 \| good	0.195 \| good
2026-05-19T21:00:00.000Z	41 \| good	6.05 \| good	26.531 \| good	44.15 \| good	5.321 \| good	5.553 \| good	0.195 \| good
2026-05-19T22:00:00.000Z	31 \| good	4.937 \| good	19.759 \| good	33.094 \| good	1.031 \| good	2.748 \| good	0.195 \| good
2026-05-19T23:00:00.000Z	33 \| good	5.712 \| good	25.1 \| good	34.021 \| good	0.658 \| good	3.198 \| good	0.197 \| good
2026-05-20T00:00:00.000Z	33 \| good	5.601 \| good	20.566 \| good	34.163 \| good	0.4 \| good	2.624 \| good	0.108 \| good
2026-05-20T01:00:00.000Z	33 \| good	5.572 \| good	23.295 \| good	35.214 \| good	0.477 \| good	2.555 \| good	0.108 \| good
2026-05-20T02:00:00.000Z	33 \| good	4.66 \| good	17.382 \| good	35.912 \| good	0.464 \| good	2.788 \| good	0.108 \| good
2026-05-20T03:00:00.000Z	24 \| good	3.417 \| good	19.875 \| good	25.659 \| good	0.347 \| good	3.455 \| good	0.108 \| good
2026-05-20T04:00:00.000Z	26 \| good	3.109 \| good	13.743 \| good	28.11 \| good	0.738 \| good	4.489 \| good	0.108 \| good
2026-05-20T05:00:00.000Z	23 \| good	2.849 \| good	12.142 \| good	25.387 \| good	0.71 \| good	2.944 \| good	0.108 \| good
2026-05-20T06:00:00.000Z	19 \| good	3.038 \| good	12.107 \| good	20.807 \| good	0.388 \| good	2.41 \| good	0.108 \| good
2026-05-20T07:00:00.000Z	19 \| good	2.689 \| good	11.785 \| good	21.29 \| good	0.384 \| good	2.466 \| good	0.108 \| good
2026-05-20T08:00:00.000Z	19 \| good	3.263 \| good	15.158 \| good	20.119 \| good	0.377 \| good	2.485 \| good	0.108 \| good
2026-05-20T09:00:00.000Z	20 \| good	2.414 \| good	11.985 \| good	21.653 \| good	0.727 \| good	2.187 \| good	0.108 \| good
2026-05-20T10:00:00.000Z	20 \| good	2.215 \| good	10.5 \| good	21.673 \| good	0.587 \| good	2.476 \| good	0.108 \| good
2026-05-20T11:00:00.000Z	20 \| good	2.41 \| good	13.041 \| good	21.958 \| good	0.329 \| good	3.314 \| good	0.108 \| good
2026-05-20T12:00:00.000Z	21 \| good	2.087 \| good	12.444 \| good	23.043 \| good	0.288 \| good	3.85 \| good	0.108 \| good
2026-05-20T13:00:00.000Z	19 \| good	2.029 \| good	9.662 \| good	19.776 \| good	0.281 \| good	4.408 \| good	0.108 \| good
2026-05-20T14:00:00.000Z	19 \| good	2.995 \| good	14.907 \| good	21.063 \| good	0.529 \| good	3.735 \| good	0.148 \| good
2026-05-20T15:00:00.000Z	19 \| good	2.766 \| good	14.271 \| good	20.211 \| good	0.328 \| good	3.562 \| good	0.143 \| good
2026-05-20T16:00:00.000Z	22 \| good	3.745 \| good	18.099 \| good	22.454 \| good	0.397 \| good	3.506 \| good	0.143 \| good
2026-05-20T17:00:00.000Z	20 \| good	2.914 \| good	14.179 \| good	22.439 \| good	0.382 \| good	2.712 \| good	0.143 \| good
2026-05-20T18:00:00.000Z	22 \| good	4.142 \| good	13.133 \| good	23.601 \| good	0.287 \| good	2.53 \| good	0.104 \| good
2026-05-20T19:00:00.000Z	33 \| good	6.061 \| good	33.981 \| good	25.969 \| good	0.426 \| good	2.846 \| good	0.104 \| good
2026-05-20T20:00:00.000Z	26 \| good	4.283 \| good	15.27 \| good	27.92 \| good	0.405 \| good	2.236 \| good	0.104 \| good
2026-05-20T21:00:00.000Z	27 \| good	3.297 \| good	13.126 \| good	29.403 \| good	0.407 \| good	2.421 \| good	0.139 \| good
2026-05-20T22:00:00.000Z	30 \| good	3.965 \| good	17.839 \| good	32.181 \| good	0.444 \| good	2.445 \| good	0.143 \| good
2026-05-20T23:00:00.000Z	34 \| good	3.857 \| good	15.678 \| good	36.865 \| good	1.024 \| good	3.694 \| good	0.143 \| good
2026-05-21T00:00:00.000Z	29 \| good	4.673 \| good	18.157 \| good	31.093 \| good	0.843 \| good	3.348 \| good	0.143 \| good
2026-05-21T01:00:00.000Z	31 \| good	4.725 \| good	8.397 \| good	33.202 \| good	0.831 \| good	4.013 \| good	0.195 \| good
2026-05-21T02:00:00.000Z	38 \| good	7.007 \| good	34.202 \| good	36.771 \| good	0.538 \| good	4.956 \| good	0.139 \| good
2026-05-21T03:00:00.000Z	27 \| good	5.419 \| good	10.143 \| good	27.531 \| good	2.027 \| good	6.436 \| good	0.191 \| good
2026-05-21T04:00:00.000Z	33 \| good	5.656 \| good	10.28 \| good	29.482 \| good	0.389 \| good	5.796 \| good	0.191 \| good
2026-05-21T05:00:00.000Z	33 \| good	5.977 \| good	13.124 \| good	27.94 \| good	0.292 \| good	5.934 \| good	0.191 \| good
2026-05-21T06:00:00.000Z	22 \| good	4.307 \| good	11.614 \| good	21.636 \| good	0.959 \| good	3.615 \| good	0.191 \| good
2026-05-21T07:00:00.000Z	23 \| good	4.435 \| good	16.828 \| good	24.85 \| good	0.978 \| good	4.498 \| good	0.191 \| good
2026-05-21T08:00:00.000Z	27 \| good	5.017 \| good	16.717 \| good	25.979 \| good	0.995 \| good	4.793 \| good	0.191 \| good
2026-05-21T09:00:00.000Z	22 \| good	3.131 \| good	11.73 \| good	23.599 \| good	0.331 \| good	5.088 \| good	0.139 \| good
2026-05-21T10:00:00.000Z	19 \| good	2.621 \| good	9.889 \| good	21.181 \| good	0.428 \| good	4.323 \| good	0.139 \| good
2026-05-21T11:00:00.000Z	19 \| good	2.774 \| good	11.604 \| good	20.264 \| good	0.342 \| good	5.972 \| good	0.139 \| good
2026-05-21T11:00:00.000Z	19 \| good	2.621 \| good	9.889 \| good	21.181 \| good	0.428 \| good	4.323 \| good	0.139 \| good
2026-05-21T09:00:00.000Z	33 \| good	5.53 \| good	23.822 \| good	24.586 \| good	0.74 \| good	4.895 \| good	0.147 \| good
2026-05-21T10:00:00.000Z	44 \| good	8.046 \| good	35.322 \| good	28.121 \| good	0.789 \| good	4.554 \| good	0.142 \| good
2026-05-21T11:00:00.000Z	44 \| good	8.247 \| good	36.361 \| good	19.09 \| good	0.846 \| good	4.505 \| good	0.139 \| good
2026-05-21T12:00:00.000Z	49 \| good	9.033 \| good	40.448 \| good	15.81 \| good	0.887 \| good	4.482 \| good	0.138 \| good
2026-05-21T13:00:00.000Z	52 \| moderate	10.214 \| good	45.126 \| good	18.568 \| good	0.935 \| good	4.724 \| good	0.14 \| good
2026-05-21T14:00:00.000Z	49 \| good	9.277 \| good	41.28 \| good	22.04 \| good	1.004 \| good	4.946 \| good	0.145 \| good
2026-05-21T15:00:00.000Z	44 \| good	8.334 \| good	36.556 \| good	27.259 \| good	1.089 \| good	4.472 \| good	0.149 \| good
2026-05-21T16:00:00.000Z	44 \| good	7.513 \| good	32.91 \| good	28.484 \| good	1.187 \| good	3.378 \| good	0.15 \| good
2026-05-21T17:00:00.000Z	29 \| good	5.156 \| good	22.108 \| good	30.599 \| good	1.258 \| good	2.797 \| good	0.151 \| good
2026-05-21T18:00:00.000Z	44 \| good	7.635 \| good	33.565 \| good	38.159 \| good	1.253 \| good	2.148 \| good	0.149 \| good
2026-05-21T19:00:00.000Z	39 \| good	6.229 \| good	27.66 \| good	42.215 \| good	1.145 \| good	1.579 \| good	0.146 \| good
2026-05-21T20:00:00.000Z	38 \| good	5.936 \| good	26.362 \| good	41.483 \| good	0.98 \| good	1.531 \| good	0.142 \| good
2026-05-21T21:00:00.000Z	37 \| good	4.418 \| good	19.274 \| good	39.821 \| good	0.944 \| good	1.683 \| good	0.142 \| good
2026-05-21T22:00:00.000Z	38 \| good	4.581 \| good	19.946 \| good	41.211 \| good	0.914 \| good	1.909 \| good	0.142 \| good
2026-05-21T23:00:00.000Z	40 \| good	4.897 \| good	21.242 \| good	42.521 \| good	0.894 \| good	2.259 \| good	0.144 \| good
2026-05-22T00:00:00.000Z	39 \| good	6.574 \| good	29.307 \| good	42.292 \| good	0.848 \| good	3.096 \| good	0.149 \| good
2026-05-22T01:00:00.000Z	38 \| good	6.849 \| good	30.541 \| good	40.23 \| good	0.84 \| good	4.406 \| good	0.154 \| good
2026-05-22T02:00:00.000Z	44 \| good	7.924 \| good	34.72 \| good	39.089 \| good	0.837 \| good	5.305 \| good	0.157 \| good
2026-05-22T03:00:00.000Z	40 \| good	5.445 \| good	23.27 \| good	42.95 \| good	0.819 \| good	5.642 \| good	0.157 \| good
2026-05-22T04:00:00.000Z	39 \| good	5.045 \| good	21.725 \| good	41.606 \| good	0.8 \| good	5.901 \| good	0.156 \| good
2026-05-22T05:00:00.000Z	38 \| good	5.458 \| good	23.452 \| good	40.728 \| good	0.789 \| good	5.881 \| good	0.156 \| good
2026-05-22T06:00:00.000Z	35 \| good	3.802 \| good	16.688 \| good	38.033 \| good	0.772 \| good	5.505 \| good	0.153 \| good
2026-05-22T07:00:00.000Z	31 \| good	2.71 \| good	11.116 \| good	32.815 \| good	0.762 \| good	5.126 \| good	0.15 \| good
2026-05-22T08:00:00.000Z	27 \| good	3.358 \| good	14.479 \| good	28.745 \| good	0.747 \| good	5.041 \| good	0.149 \| good
2026-05-22T09:00:00.000Z	27 \| good	5.261 \| good	22.575 \| good	26.78 \| good	0.74 \| good	5.083 \| good	0.149 \| good
2026-05-22T10:00:00.000Z	52 \| moderate	9.534 \| good	42.627 \| good	24.288 \| good	0.744 \| good	5.219 \| good	0.15 \| good
2026-05-22T11:00:00.000Z	54 \| moderate	11.488 \| good	50.855 \| good	18.587 \| good	0.77 \| good	5.337 \| good	0.151 \| good
2026-05-22T12:00:00.000Z	58 \| moderate	13.175 \| fine	59.304 \| fine	13.507 \| good	0.806 \| good	5.257 \| good	0.153 \| good
2026-05-22T13:00:00.000Z	60 \| moderate	13.61 \| fine	61 \| fine	16.218 \| good	0.864 \| good	5.58 \| good	0.159 \| good
2026-05-22T14:00:00.000Z	58 \| moderate	13.196 \| fine	59.297 \| fine	19.623 \| good	0.918 \| good	5.987 \| good	0.167 \| good
2026-05-22T15:00:00.000Z	60 \| moderate	14.48 \| fine	64.932 \| fine	24.652 \| good	0.997 \| good	5.594 \| good	0.171 \| good
2026-05-22T16:00:00.000Z	60 \| moderate	13.925 \| fine	62.88 \| fine	26.991 \| good	1.08 \| good	4.78 \| good	0.169 \| good
2026-05-22T17:00:00.000Z	56 \| moderate	12.308 \| fine	55.334 \| fine	28.575 \| good	1.052 \| good	3.613 \| good	0.166 \| good
2026-05-22T18:00:00.000Z	60 \| moderate	13.531 \| fine	60.997 \| fine	28.252 \| good	0.968 \| good	2.908 \| good	0.163 \| good
2026-05-22T19:00:00.000Z	58 \| moderate	13.382 \| fine	60.283 \| fine	23.461 \| good	0.936 \| good	2.88 \| good	0.163 \| good
2026-05-22T20:00:00.000Z	58 \| moderate	12.873 \| fine	58.318 \| fine	24.078 \| good	0.862 \| good	2.802 \| good	0.164 \| good
2026-05-22T21:00:00.000Z	54 \| moderate	10.692 \| good	47.329 \| good	23.907 \| good	0.806 \| good	3.393 \| good	0.168 \| good
2026-05-22T22:00:00.000Z	56 \| moderate	12.3 \| fine	55.462 \| fine	23.067 \| good	0.775 \| good	4.276 \| good	0.173 \| good
2026-05-22T23:00:00.000Z	58 \| moderate	12.727 \| fine	56.843 \| fine	20.277 \| good	0.766 \| good	5.162 \| good	0.181 \| good
2026-05-23T00:00:00.000Z	66 \| moderate	16.761 \| fine	74.5 \| fine	22.384 \| good	0.747 \| good	6.299 \| good	0.189 \| good
2026-05-23T01:00:00.000Z	60 \| moderate	14.492 \| fine	64.743 \| fine	21.991 \| good	0.714 \| good	7.131 \| good	0.192 \| good
2026-05-23T02:00:00.000Z	60 \| moderate	14.377 \| fine	64.198 \| fine	21.42 \| good	0.701 \| good	8.702 \| good	0.2 \| good
2026-05-23T03:00:00.000Z	62 \| moderate	14.76 \| fine	65.786 \| fine	17.602 \| good	0.689 \| good	9.608 \| good	0.205 \| good
2026-05-23T04:00:00.000Z	60 \| moderate	13.862 \| fine	62.093 \| fine	14.854 \| good	0.688 \| good	10.207 \| good	0.209 \| good
2026-05-23T05:00:00.000Z	64 \| moderate	15.507 \| fine	69.475 \| fine	12.308 \| good	0.683 \| good	10.076 \| good	0.209 \| good
2026-05-23T06:00:00.000Z	27 \| good	5.074 \| good	5.08 \| good	8.917 \| good	0.663 \| good	9.149 \| good	0.204 \| good
2026-05-23T07:00:00.000Z	64 \| moderate	15.95 \| fine	70.818 \| fine	12.456 \| good	0.643 \| good	8.425 \| good	0.2 \| good
2026-05-23T08:00:00.000Z	66 \| moderate	17.437 \| fine	77.653 \| fine	13.141 \| good	0.607 \| good	7.868 \| good	0.197 \| good

Real-time air quality index in Ballwin, Missouri today

Common air pollutants in Ballwin, Missouri

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

Track live Ballwin, Missouri air quality forecast and history

Empower business decisions with accurate air quality data

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

Air quality in nearby cities

Manchester, Missouri

Town and Country, Missouri

Chesterfield, Missouri

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Frequently asked questions

How frequently is the air quality data for Ballwin, Missouri updated?

When did Ballwin, Missouri experience the worst air quality in the last 24 hours?

When did Ballwin, Missouri have its best air quality in the last 24 hours?

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

Which pollutant is found most often in Ballwin, Missouri?

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What are the current PM2.5 levels in Ballwin, Missouri?

What are the current PM10 levels at Ballwin, Missouri?

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

What are the current PM_2.5 levels in Ballwin, Missouri?

What are the current PM₁₀ levels at Ballwin, Missouri?

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

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

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