What is the current concentration of PM10 in West Allis, Wisconsin?

The current PM10 concentration at West Allis, Wisconsin is 8.837 μg/m3.

What is the current concentration of sulfur dioxide (SO2) in West Allis, Wisconsin?

The current sulfur dioxide (SO2) concentration at West Allis, Wisconsin is 1.073 ppb.

What is the current concentration of ozone (O3) in West Allis, Wisconsin?

The current ozone (O3) concentration at West Allis, Wisconsin is 20.995 ppm.

What is the current concentration of nitrogen dioxide (NO2) in West Allis, Wisconsin?

The current nitrogen dioxide (NO2) concentration at West Allis, Wisconsin is 10.374 ppb.

West Allis, Wisconsin live air quality index now

Q: What is the current concentration of PM2.5 in West Allis, Wisconsin?

The current PM2.5 concentration at West Allis, Wisconsin is 2.762 μg/m3.

Stay updated with real-time air quality in West Allis, Wisconsin 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

West Allis, Wisconsin

Last updated: ... (Local time)

Major air pollutants in West Allis, Wisconsin

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

3.17 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

11.34 μg/m³

155

255

425

605+

Ozone (O₃)

9.88 ppb

201

201+

Sulfur Dioxide (SO₂)

0.88 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

11.45 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.30 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

West Allis, Wisconsin

Get Live Pollen Counts

West Allis, Wisconsin

Scroll To Air Quality Map

Track live West Allis, Wisconsin air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-22T11:00:00.000Z	18 \| good	1.074 \| good	3.879 \| good	18.638 \| good	0.848 \| good	3.934 \| good	0.194 \| good
2025-10-22T12:00:00.000Z	18 \| good	1.002 \| good	3.787 \| good	19.475 \| good	0.91 \| good	5.156 \| good	0.194 \| good
2025-10-22T13:00:00.000Z	19 \| good	1 \| good	3.747 \| good	20.017 \| good	0.91 \| good	5.221 \| good	0.203 \| good
2025-10-22T14:00:00.000Z	18 \| good	0.87 \| good	3.332 \| good	18.509 \| good	0.814 \| good	5.208 \| good	0.201 \| good
2025-10-22T15:00:00.000Z	18 \| good	0.836 \| good	3.301 \| good	19.433 \| good	0.968 \| good	5.18 \| good	0.201 \| good
2025-10-22T16:00:00.000Z	16 \| good	0.838 \| good	3.35 \| good	16.769 \| good	0.974 \| good	5.355 \| good	0.201 \| good
2025-10-22T17:00:00.000Z	16 \| good	0.855 \| good	3.255 \| good	17.48 \| good	0.969 \| good	5.342 \| good	0.201 \| good
2025-10-22T18:00:00.000Z	14 \| good	1.076 \| good	3.894 \| good	14.717 \| good	0.896 \| good	4.702 \| good	0.194 \| good
2025-10-22T19:00:00.000Z	14 \| good	1.263 \| good	4.938 \| good	15.342 \| good	0.812 \| good	4.782 \| good	0.201 \| good
2025-10-22T20:00:00.000Z	14 \| good	1.277 \| good	4.561 \| good	14.665 \| good	0.891 \| good	4.563 \| good	0.286 \| good
2025-10-22T21:00:00.000Z	15 \| good	1.297 \| good	4.42 \| good	15.749 \| good	0.874 \| good	4.465 \| good	0.295 \| good
2025-10-22T22:00:00.000Z	17 \| good	1.364 \| good	4.489 \| good	17.841 \| good	0.954 \| good	4.439 \| good	0.294 \| good
2025-10-22T23:00:00.000Z	15 \| good	1.303 \| good	4.501 \| good	16.289 \| good	0.965 \| good	4.548 \| good	0.294 \| good
2025-10-23T00:00:00.000Z	14 \| good	1.315 \| good	4.499 \| good	15.231 \| good	0.944 \| good	4.875 \| good	0.286 \| good
2025-10-23T01:00:00.000Z	14 \| good	1.403 \| good	5.013 \| good	14.743 \| good	0.874 \| good	4.725 \| good	0.196 \| good
2025-10-23T02:00:00.000Z	15 \| good	1.309 \| good	4.157 \| good	15.725 \| good	0.951 \| good	4.056 \| good	0.204 \| good
2025-10-23T03:00:00.000Z	15 \| good	1.193 \| good	3.998 \| good	15.981 \| good	0.887 \| good	3.893 \| good	0.204 \| good
2025-10-23T04:00:00.000Z	15 \| good	1.289 \| good	4.101 \| good	16.047 \| good	0.887 \| good	3.844 \| good	0.204 \| good
2025-10-23T05:00:00.000Z	14 \| good	1.237 \| good	4.247 \| good	15.211 \| good	0.903 \| good	3.813 \| good	0.21 \| good
2025-10-23T06:00:00.000Z	13 \| good	1.27 \| good	4.351 \| good	14.463 \| good	0.884 \| good	4.114 \| good	0.206 \| good
2025-10-23T07:00:00.000Z	13 \| good	1.268 \| good	4.392 \| good	13.597 \| good	0.892 \| good	4.154 \| good	0.205 \| good
2025-10-23T08:00:00.000Z	13 \| good	1.225 \| good	4.115 \| good	14.251 \| good	0.891 \| good	4.155 \| good	0.203 \| good
2025-10-23T09:00:00.000Z	13 \| good	1.228 \| good	4.165 \| good	13.768 \| good	0.876 \| good	3.952 \| good	0.199 \| good
2025-10-23T10:00:00.000Z	13 \| good	1.332 \| good	4.065 \| good	13.853 \| good	0.858 \| good	4.722 \| good	0.201 \| good
2025-10-23T11:00:00.000Z	12 \| good	1.432 \| good	4.161 \| good	13.013 \| good	1.026 \| good	4.736 \| good	0.295 \| good
2025-10-23T12:00:00.000Z	11 \| good	1.436 \| good	4.317 \| good	11.964 \| good	0.949 \| good	6.537 \| good	0.299 \| good
2025-10-23T13:00:00.000Z	11 \| good	1.438 \| good	4.422 \| good	12.379 \| good	0.971 \| good	6.621 \| good	0.3 \| good
2025-10-23T14:00:00.000Z	13 \| good	1.465 \| good	5.648 \| good	13.523 \| good	0.974 \| good	7.011 \| good	0.395 \| good
2025-10-23T15:00:00.000Z	12 \| good	1.395 \| good	5.372 \| good	13.049 \| good	0.983 \| good	5.93 \| good	0.289 \| good
2025-10-23T16:00:00.000Z	12 \| good	1.444 \| good	5.13 \| good	12.552 \| good	1.144 \| good	5.821 \| good	0.294 \| good
2025-10-23T17:00:00.000Z	16 \| good	1.325 \| good	5.161 \| good	17.25 \| good	1.027 \| good	6.029 \| good	0.292 \| good
2025-10-23T18:00:00.000Z	16 \| good	1.215 \| good	4.848 \| good	16.75 \| good	0.934 \| good	6.248 \| good	0.194 \| good
2025-10-23T19:00:00.000Z	17 \| good	1.248 \| good	4.831 \| good	17.794 \| good	0.882 \| good	6.675 \| good	0.286 \| good
2025-10-23T20:00:00.000Z	19 \| good	1.482 \| good	4.78 \| good	19.675 \| good	1.023 \| good	9.13 \| good	0.386 \| good
2025-10-23T21:00:00.000Z	19 \| good	1.617 \| good	5.1 \| good	21.352 \| good	1.161 \| good	7.773 \| good	0.377 \| good
2025-10-23T22:00:00.000Z	19 \| good	2.02 \| good	6.889 \| good	20.941 \| good	1.085 \| good	7.697 \| good	0.386 \| good
2025-10-23T23:00:00.000Z	20 \| good	2.093 \| good	6.84 \| good	21.834 \| good	0.997 \| good	7.823 \| good	0.377 \| good
2025-10-24T00:00:00.000Z	20 \| good	2.201 \| good	7.351 \| good	21.843 \| good	1.024 \| good	7.51 \| good	0.298 \| good
2025-10-24T01:00:00.000Z	21 \| good	2.568 \| good	8.232 \| good	23.351 \| good	1.216 \| good	9.889 \| good	0.291 \| good
2025-10-24T02:00:00.000Z	19 \| good	2.762 \| good	8.837 \| good	20.995 \| good	1.073 \| good	10.374 \| good	0.384 \| good
2025-10-24T03:00:00.000Z	14 \| good	0.98 \| good	3.584 \| good	15.256 \| good	0.506 \| good	4.112 \| good	0.135 \| good
2025-10-24T04:00:00.000Z	16 \| good	3.153 \| good	11.152 \| good	10.946 \| good	0.971 \| good	9.168 \| good	0.203 \| good
2025-10-24T05:00:00.000Z	16 \| good	3.101 \| good	10.783 \| good	8.061 \| good	1.009 \| good	8.021 \| good	0.207 \| good
2025-10-24T06:00:00.000Z	16 \| good	2.967 \| good	10.215 \| good	7.964 \| good	1.012 \| good	7.168 \| good	0.208 \| good
2025-10-24T07:00:00.000Z	16 \| good	2.961 \| good	9.936 \| good	8.7 \| good	1.054 \| good	7.115 \| good	0.21 \| good
2025-10-24T08:00:00.000Z	16 \| good	2.891 \| good	9.538 \| good	9.44 \| good	0.904 \| good	6.968 \| good	0.21 \| good
2025-10-24T09:00:00.000Z	16 \| good	2.973 \| good	10.097 \| good	11.213 \| good	0.819 \| good	7.845 \| good	0.206 \| good
2025-10-24T10:00:00.000Z	16 \| good	3.166 \| good	11.342 \| good	9.885 \| good	0.876 \| good	11.445 \| good	0.301 \| good
2025-10-24T10:00:00.000Z	16 \| good	3.166 \| good	11.342 \| good	9.885 \| good	0.876 \| good	11.445 \| good	0.301 \| good
2025-10-24T03:00:00.000Z	13 \| good	1.834 \| good	7.797 \| good	13.872 \| good	0.445 \| good	3.667 \| good	0.133 \| good
2025-10-24T04:00:00.000Z	12 \| good	0.944 \| good	3.571 \| good	12.718 \| good	0.449 \| good	3.637 \| good	0.133 \| good
2025-10-24T05:00:00.000Z	10 \| good	0.238 \| good	0.615 \| good	11.238 \| good	0.452 \| good	3.607 \| good	0.133 \| good
2025-10-24T06:00:00.000Z	8 \| good	0.494 \| good	1.941 \| good	9.424 \| good	0.456 \| good	3.577 \| good	0.133 \| good
2025-10-24T07:00:00.000Z	8 \| good	0.574 \| good	2.056 \| good	9.013 \| good	0.52 \| good	3.521 \| good	0.133 \| good
2025-10-24T08:00:00.000Z	8 \| good	0.578 \| good	2.081 \| good	9.312 \| good	0.584 \| good	3.466 \| good	0.132 \| good
2025-10-24T09:00:00.000Z	8 \| good	0.585 \| good	2.034 \| good	9.17 \| good	0.648 \| good	3.41 \| good	0.132 \| good
2025-10-24T10:00:00.000Z	12 \| good	2.219 \| good	9.305 \| good	13.366 \| good	0.721 \| good	3.851 \| good	0.135 \| good
2025-10-24T11:00:00.000Z	11 \| good	2.379 \| good	9.833 \| good	9.563 \| good	0.794 \| good	4.291 \| good	0.138 \| good
2025-10-24T12:00:00.000Z	16 \| good	2.749 \| good	11.383 \| good	5.073 \| good	0.867 \| good	4.732 \| good	0.14 \| good
2025-10-24T13:00:00.000Z	16 \| good	2.578 \| good	10.488 \| good	12.148 \| good	0.973 \| good	4.352 \| good	0.143 \| good
2025-10-24T14:00:00.000Z	16 \| good	2.056 \| good	8.644 \| good	16.745 \| good	1.079 \| good	3.973 \| good	0.146 \| good
2025-10-24T15:00:00.000Z	17 \| good	1.698 \| good	6.791 \| good	18.04 \| good	1.185 \| good	3.593 \| good	0.149 \| good
2025-10-24T16:00:00.000Z	19 \| good	2.462 \| good	9.791 \| good	21.381 \| good	0.978 \| good	2.849 \| good	0.14 \| good
2025-10-24T17:00:00.000Z	20 \| good	2.925 \| good	11.883 \| good	22.084 \| good	0.77 \| good	2.105 \| good	0.131 \| good
2025-10-24T18:00:00.000Z	22 \| good	2.95 \| good	12.583 \| good	23.823 \| good	0.563 \| good	1.36 \| good	0.121 \| good
2025-10-24T19:00:00.000Z	21 \| good	2.923 \| good	11.948 \| good	23.349 \| good	0.568 \| good	1.446 \| good	0.122 \| good
2025-10-24T20:00:00.000Z	23 \| good	2.998 \| good	12.12 \| good	24.606 \| good	0.573 \| good	1.531 \| good	0.122 \| good
2025-10-24T21:00:00.000Z	22 \| good	2.55 \| good	10.048 \| good	23.929 \| good	0.578 \| good	1.617 \| good	0.122 \| good
2025-10-24T22:00:00.000Z	38 \| good	6.516 \| good	28.898 \| good	17.323 \| good	0.656 \| good	5.844 \| good	0.157 \| good
2025-10-24T23:00:00.000Z	49 \| good	9.15 \| good	40.256 \| good	9.79 \| good	0.735 \| good	10.071 \| good	0.192 \| good
2025-10-25T00:00:00.000Z	52 \| moderate	10.119 \| good	45.13 \| good	4.881 \| good	0.813 \| good	14.299 \| good	0.228 \| good
2025-10-25T01:00:00.000Z	38 \| good	6.931 \| good	30.723 \| good	9.683 \| good	0.916 \| good	15.22 \| good	0.251 \| good
2025-10-25T02:00:00.000Z	33 \| good	5.503 \| good	24.344 \| good	9.326 \| good	1.019 \| good	16.142 \| good	0.274 \| good
2025-10-25T03:00:00.000Z	27 \| good	5.097 \| good	22 \| good	11.847 \| good	1.122 \| good	17.063 \| good	0.297 \| good
2025-10-25T04:00:00.000Z	33 \| good	5.629 \| good	24.331 \| good	14.316 \| good	1.108 \| good	16.253 \| good	0.273 \| good
2025-10-25T05:00:00.000Z	27 \| good	5.381 \| good	23.24 \| good	13.329 \| good	1.094 \| good	15.443 \| good	0.25 \| good
2025-10-25T06:00:00.000Z	49 \| good	8.854 \| good	39.09 \| good	14.29 \| good	1.081 \| good	14.632 \| good	0.226 \| good
2025-10-25T07:00:00.000Z	38 \| good	7.437 \| good	32.739 \| good	13.69 \| good	1.215 \| good	13.182 \| good	0.213 \| good
2025-10-25T08:00:00.000Z	44 \| good	7.866 \| good	34.405 \| good	15.842 \| good	1.35 \| good	11.732 \| good	0.2 \| good
2025-10-25T09:00:00.000Z	27 \| good	5.067 \| good	21.757 \| good	17.727 \| good	1.485 \| good	10.281 \| good	0.187 \| good
2025-10-25T10:00:00.000Z	33 \| good	6.243 \| good	27.714 \| good	16.366 \| good	1.656 \| good	10.895 \| good	0.189 \| good
2025-10-25T11:00:00.000Z	33 \| good	5.717 \| good	24.676 \| good	13.761 \| good	1.828 \| good	11.508 \| good	0.19 \| good
2025-10-25T12:00:00.000Z	27 \| good	5.31 \| good	23.028 \| good	10.862 \| good	1.999 \| good	12.121 \| good	0.192 \| good
2025-10-25T13:00:00.000Z	38 \| good	6.895 \| good	30.638 \| good	12.454 \| good	2.143 \| good	10.738 \| good	0.19 \| good
2025-10-25T14:00:00.000Z	27 \| good	5.034 \| good	21.743 \| good	17.127 \| good	2.288 \| good	9.354 \| good	0.188 \| good
2025-10-25T15:00:00.000Z	21 \| good	3.396 \| good	15 \| good	22.775 \| good	2.433 \| good	7.971 \| good	0.186 \| good
2025-10-25T16:00:00.000Z	25 \| good	3.777 \| good	16.415 \| good	27.306 \| good	2.154 \| good	6.533 \| good	0.169 \| good
2025-10-25T17:00:00.000Z	28 \| good	3.283 \| good	14.415 \| good	30.157 \| good	1.875 \| good	5.095 \| good	0.152 \| good
2025-10-25T18:00:00.000Z	29 \| good	3.27 \| good	14.375 \| good	31.225 \| good	1.596 \| good	3.657 \| good	0.135 \| good
2025-10-25T19:00:00.000Z	28 \| good	3.287 \| good	14.414 \| good	30.115 \| good	1.516 \| good	3.656 \| good	0.134 \| good
2025-10-25T20:00:00.000Z	28 \| good	2.919 \| good	11.97 \| good	29.709 \| good	1.436 \| good	3.655 \| good	0.133 \| good
2025-10-25T21:00:00.000Z	27 \| good	5.284 \| good	23.012 \| good	29.147 \| good	1.356 \| good	3.654 \| good	0.132 \| good
2025-10-25T22:00:00.000Z	38 \| good	6.616 \| good	29.097 \| good	29.53 \| good	1.211 \| good	4.524 \| good	0.137 \| good
2025-10-25T23:00:00.000Z	33 \| good	6.197 \| good	27.878 \| good	29.403 \| good	1.065 \| good	5.394 \| good	0.142 \| good
2025-10-26T00:00:00.000Z	32 \| good	4.835 \| good	5.063 \| good	34.75 \| good	0.885 \| good	6.1 \| good	0.146 \| good
2025-10-26T01:00:00.000Z	33 \| good	6.041 \| good	26.439 \| good	25.621 \| good	0.851 \| good	5.821 \| good	0.145 \| good
2025-10-26T02:00:00.000Z	38 \| good	6.823 \| good	30.306 \| good	27.028 \| good	0.782 \| good	5.378 \| good	0.143 \| good

West Allis

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West Allis, Wisconsin air quality map: Track AQI near you

0.30ppm

How accurate is Wisconsin, USA air quality data?

Air quality data and pollutant measurements for Wisconsin, 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 West Allis, Wisconsin updated?

The air quality for West Allis, Wisconsin is updated every hour.

When was the worst air quality at West Allis, Wisconsin in the last 24 hrs?

The worst air quality in West Allis, Wisconsin in the last 24 hours was observed at 01:00:00 on 2025-10-24.

When was the best air quality at West Allis, Wisconsin in the last 24 hrs?

In the last 24 hrs, the best air quality in West Allis, Wisconsin was observed at 01:00:00 on 2025-10-23.

What is the current air quality in West Allis, Wisconsin?

The current air quality in West Allis, Wisconsin is 19, categorized as Good based on real-time data.

What pollutant is the most common in West Allis, Wisconsin?

The most common pollutant in West Allis, Wisconsin is O3.

What should I do if the air quality in West Allis, Wisconsin is poor?

If the air quality in West Allis, Wisconsin is poor, consider staying indoors and wearing a mask to protect yourself.

What is the current concentration of PM_2.5 in West Allis, Wisconsin?

The current PM_2.5 concentration at West Allis, Wisconsin is 2.762 μg/m³.

What is the current concentration of PM₁₀ in West Allis, Wisconsin?

The current PM₁₀ concentration at West Allis, Wisconsin is 8.837 μg/m³.

What is the current concentration of carbon monoxide (CO) in West Allis, Wisconsin?

The current carbon monoxide (CO) concentration at West Allis, Wisconsin is 0.384 ppm.

What is the current concentration of sulfur dioxide (SO₂) in West Allis, Wisconsin?

The current sulfur dioxide (SO₂) concentration at West Allis, Wisconsin is 1.073 ppb.

What is the current concentration of ozone (O₃) in West Allis, Wisconsin?

The current ozone (O₃) concentration at West Allis, Wisconsin is 20.995 ppm.

What is the current concentration of nitrogen dioxide (NO₂) in West Allis, Wisconsin?

The current nitrogen dioxide (NO₂) concentration at West Allis, Wisconsin is 10.374 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-22T11:00:00.000Z	18 \| good	1.074 \| good	3.879 \| good	18.638 \| good	0.848 \| good	3.934 \| good	0.194 \| good
2025-10-22T12:00:00.000Z	18 \| good	1.002 \| good	3.787 \| good	19.475 \| good	0.91 \| good	5.156 \| good	0.194 \| good
2025-10-22T13:00:00.000Z	19 \| good	1 \| good	3.747 \| good	20.017 \| good	0.91 \| good	5.221 \| good	0.203 \| good
2025-10-22T14:00:00.000Z	18 \| good	0.87 \| good	3.332 \| good	18.509 \| good	0.814 \| good	5.208 \| good	0.201 \| good
2025-10-22T15:00:00.000Z	18 \| good	0.836 \| good	3.301 \| good	19.433 \| good	0.968 \| good	5.18 \| good	0.201 \| good
2025-10-22T16:00:00.000Z	16 \| good	0.838 \| good	3.35 \| good	16.769 \| good	0.974 \| good	5.355 \| good	0.201 \| good
2025-10-22T17:00:00.000Z	16 \| good	0.855 \| good	3.255 \| good	17.48 \| good	0.969 \| good	5.342 \| good	0.201 \| good
2025-10-22T18:00:00.000Z	14 \| good	1.076 \| good	3.894 \| good	14.717 \| good	0.896 \| good	4.702 \| good	0.194 \| good
2025-10-22T19:00:00.000Z	14 \| good	1.263 \| good	4.938 \| good	15.342 \| good	0.812 \| good	4.782 \| good	0.201 \| good
2025-10-22T20:00:00.000Z	14 \| good	1.277 \| good	4.561 \| good	14.665 \| good	0.891 \| good	4.563 \| good	0.286 \| good
2025-10-22T21:00:00.000Z	15 \| good	1.297 \| good	4.42 \| good	15.749 \| good	0.874 \| good	4.465 \| good	0.295 \| good
2025-10-22T22:00:00.000Z	17 \| good	1.364 \| good	4.489 \| good	17.841 \| good	0.954 \| good	4.439 \| good	0.294 \| good
2025-10-22T23:00:00.000Z	15 \| good	1.303 \| good	4.501 \| good	16.289 \| good	0.965 \| good	4.548 \| good	0.294 \| good
2025-10-23T00:00:00.000Z	14 \| good	1.315 \| good	4.499 \| good	15.231 \| good	0.944 \| good	4.875 \| good	0.286 \| good
2025-10-23T01:00:00.000Z	14 \| good	1.403 \| good	5.013 \| good	14.743 \| good	0.874 \| good	4.725 \| good	0.196 \| good
2025-10-23T02:00:00.000Z	15 \| good	1.309 \| good	4.157 \| good	15.725 \| good	0.951 \| good	4.056 \| good	0.204 \| good
2025-10-23T03:00:00.000Z	15 \| good	1.193 \| good	3.998 \| good	15.981 \| good	0.887 \| good	3.893 \| good	0.204 \| good
2025-10-23T04:00:00.000Z	15 \| good	1.289 \| good	4.101 \| good	16.047 \| good	0.887 \| good	3.844 \| good	0.204 \| good
2025-10-23T05:00:00.000Z	14 \| good	1.237 \| good	4.247 \| good	15.211 \| good	0.903 \| good	3.813 \| good	0.21 \| good
2025-10-23T06:00:00.000Z	13 \| good	1.27 \| good	4.351 \| good	14.463 \| good	0.884 \| good	4.114 \| good	0.206 \| good
2025-10-23T07:00:00.000Z	13 \| good	1.268 \| good	4.392 \| good	13.597 \| good	0.892 \| good	4.154 \| good	0.205 \| good
2025-10-23T08:00:00.000Z	13 \| good	1.225 \| good	4.115 \| good	14.251 \| good	0.891 \| good	4.155 \| good	0.203 \| good
2025-10-23T09:00:00.000Z	13 \| good	1.228 \| good	4.165 \| good	13.768 \| good	0.876 \| good	3.952 \| good	0.199 \| good
2025-10-23T10:00:00.000Z	13 \| good	1.332 \| good	4.065 \| good	13.853 \| good	0.858 \| good	4.722 \| good	0.201 \| good
2025-10-23T11:00:00.000Z	12 \| good	1.432 \| good	4.161 \| good	13.013 \| good	1.026 \| good	4.736 \| good	0.295 \| good
2025-10-23T12:00:00.000Z	11 \| good	1.436 \| good	4.317 \| good	11.964 \| good	0.949 \| good	6.537 \| good	0.299 \| good
2025-10-23T13:00:00.000Z	11 \| good	1.438 \| good	4.422 \| good	12.379 \| good	0.971 \| good	6.621 \| good	0.3 \| good
2025-10-23T14:00:00.000Z	13 \| good	1.465 \| good	5.648 \| good	13.523 \| good	0.974 \| good	7.011 \| good	0.395 \| good
2025-10-23T15:00:00.000Z	12 \| good	1.395 \| good	5.372 \| good	13.049 \| good	0.983 \| good	5.93 \| good	0.289 \| good
2025-10-23T16:00:00.000Z	12 \| good	1.444 \| good	5.13 \| good	12.552 \| good	1.144 \| good	5.821 \| good	0.294 \| good
2025-10-23T17:00:00.000Z	16 \| good	1.325 \| good	5.161 \| good	17.25 \| good	1.027 \| good	6.029 \| good	0.292 \| good
2025-10-23T18:00:00.000Z	16 \| good	1.215 \| good	4.848 \| good	16.75 \| good	0.934 \| good	6.248 \| good	0.194 \| good
2025-10-23T19:00:00.000Z	17 \| good	1.248 \| good	4.831 \| good	17.794 \| good	0.882 \| good	6.675 \| good	0.286 \| good
2025-10-23T20:00:00.000Z	19 \| good	1.482 \| good	4.78 \| good	19.675 \| good	1.023 \| good	9.13 \| good	0.386 \| good
2025-10-23T21:00:00.000Z	19 \| good	1.617 \| good	5.1 \| good	21.352 \| good	1.161 \| good	7.773 \| good	0.377 \| good
2025-10-23T22:00:00.000Z	19 \| good	2.02 \| good	6.889 \| good	20.941 \| good	1.085 \| good	7.697 \| good	0.386 \| good
2025-10-23T23:00:00.000Z	20 \| good	2.093 \| good	6.84 \| good	21.834 \| good	0.997 \| good	7.823 \| good	0.377 \| good
2025-10-24T00:00:00.000Z	20 \| good	2.201 \| good	7.351 \| good	21.843 \| good	1.024 \| good	7.51 \| good	0.298 \| good
2025-10-24T01:00:00.000Z	21 \| good	2.568 \| good	8.232 \| good	23.351 \| good	1.216 \| good	9.889 \| good	0.291 \| good
2025-10-24T02:00:00.000Z	19 \| good	2.762 \| good	8.837 \| good	20.995 \| good	1.073 \| good	10.374 \| good	0.384 \| good
2025-10-24T03:00:00.000Z	14 \| good	0.98 \| good	3.584 \| good	15.256 \| good	0.506 \| good	4.112 \| good	0.135 \| good
2025-10-24T04:00:00.000Z	16 \| good	3.153 \| good	11.152 \| good	10.946 \| good	0.971 \| good	9.168 \| good	0.203 \| good
2025-10-24T05:00:00.000Z	16 \| good	3.101 \| good	10.783 \| good	8.061 \| good	1.009 \| good	8.021 \| good	0.207 \| good
2025-10-24T06:00:00.000Z	16 \| good	2.967 \| good	10.215 \| good	7.964 \| good	1.012 \| good	7.168 \| good	0.208 \| good
2025-10-24T07:00:00.000Z	16 \| good	2.961 \| good	9.936 \| good	8.7 \| good	1.054 \| good	7.115 \| good	0.21 \| good
2025-10-24T08:00:00.000Z	16 \| good	2.891 \| good	9.538 \| good	9.44 \| good	0.904 \| good	6.968 \| good	0.21 \| good
2025-10-24T09:00:00.000Z	16 \| good	2.973 \| good	10.097 \| good	11.213 \| good	0.819 \| good	7.845 \| good	0.206 \| good
2025-10-24T10:00:00.000Z	16 \| good	3.166 \| good	11.342 \| good	9.885 \| good	0.876 \| good	11.445 \| good	0.301 \| good
2025-10-24T10:00:00.000Z	16 \| good	3.166 \| good	11.342 \| good	9.885 \| good	0.876 \| good	11.445 \| good	0.301 \| good
2025-10-24T03:00:00.000Z	13 \| good	1.834 \| good	7.797 \| good	13.872 \| good	0.445 \| good	3.667 \| good	0.133 \| good
2025-10-24T04:00:00.000Z	12 \| good	0.944 \| good	3.571 \| good	12.718 \| good	0.449 \| good	3.637 \| good	0.133 \| good
2025-10-24T05:00:00.000Z	10 \| good	0.238 \| good	0.615 \| good	11.238 \| good	0.452 \| good	3.607 \| good	0.133 \| good
2025-10-24T06:00:00.000Z	8 \| good	0.494 \| good	1.941 \| good	9.424 \| good	0.456 \| good	3.577 \| good	0.133 \| good
2025-10-24T07:00:00.000Z	8 \| good	0.574 \| good	2.056 \| good	9.013 \| good	0.52 \| good	3.521 \| good	0.133 \| good
2025-10-24T08:00:00.000Z	8 \| good	0.578 \| good	2.081 \| good	9.312 \| good	0.584 \| good	3.466 \| good	0.132 \| good
2025-10-24T09:00:00.000Z	8 \| good	0.585 \| good	2.034 \| good	9.17 \| good	0.648 \| good	3.41 \| good	0.132 \| good
2025-10-24T10:00:00.000Z	12 \| good	2.219 \| good	9.305 \| good	13.366 \| good	0.721 \| good	3.851 \| good	0.135 \| good
2025-10-24T11:00:00.000Z	11 \| good	2.379 \| good	9.833 \| good	9.563 \| good	0.794 \| good	4.291 \| good	0.138 \| good
2025-10-24T12:00:00.000Z	16 \| good	2.749 \| good	11.383 \| good	5.073 \| good	0.867 \| good	4.732 \| good	0.14 \| good
2025-10-24T13:00:00.000Z	16 \| good	2.578 \| good	10.488 \| good	12.148 \| good	0.973 \| good	4.352 \| good	0.143 \| good
2025-10-24T14:00:00.000Z	16 \| good	2.056 \| good	8.644 \| good	16.745 \| good	1.079 \| good	3.973 \| good	0.146 \| good
2025-10-24T15:00:00.000Z	17 \| good	1.698 \| good	6.791 \| good	18.04 \| good	1.185 \| good	3.593 \| good	0.149 \| good
2025-10-24T16:00:00.000Z	19 \| good	2.462 \| good	9.791 \| good	21.381 \| good	0.978 \| good	2.849 \| good	0.14 \| good
2025-10-24T17:00:00.000Z	20 \| good	2.925 \| good	11.883 \| good	22.084 \| good	0.77 \| good	2.105 \| good	0.131 \| good
2025-10-24T18:00:00.000Z	22 \| good	2.95 \| good	12.583 \| good	23.823 \| good	0.563 \| good	1.36 \| good	0.121 \| good
2025-10-24T19:00:00.000Z	21 \| good	2.923 \| good	11.948 \| good	23.349 \| good	0.568 \| good	1.446 \| good	0.122 \| good
2025-10-24T20:00:00.000Z	23 \| good	2.998 \| good	12.12 \| good	24.606 \| good	0.573 \| good	1.531 \| good	0.122 \| good
2025-10-24T21:00:00.000Z	22 \| good	2.55 \| good	10.048 \| good	23.929 \| good	0.578 \| good	1.617 \| good	0.122 \| good
2025-10-24T22:00:00.000Z	38 \| good	6.516 \| good	28.898 \| good	17.323 \| good	0.656 \| good	5.844 \| good	0.157 \| good
2025-10-24T23:00:00.000Z	49 \| good	9.15 \| good	40.256 \| good	9.79 \| good	0.735 \| good	10.071 \| good	0.192 \| good
2025-10-25T00:00:00.000Z	52 \| moderate	10.119 \| good	45.13 \| good	4.881 \| good	0.813 \| good	14.299 \| good	0.228 \| good
2025-10-25T01:00:00.000Z	38 \| good	6.931 \| good	30.723 \| good	9.683 \| good	0.916 \| good	15.22 \| good	0.251 \| good
2025-10-25T02:00:00.000Z	33 \| good	5.503 \| good	24.344 \| good	9.326 \| good	1.019 \| good	16.142 \| good	0.274 \| good
2025-10-25T03:00:00.000Z	27 \| good	5.097 \| good	22 \| good	11.847 \| good	1.122 \| good	17.063 \| good	0.297 \| good
2025-10-25T04:00:00.000Z	33 \| good	5.629 \| good	24.331 \| good	14.316 \| good	1.108 \| good	16.253 \| good	0.273 \| good
2025-10-25T05:00:00.000Z	27 \| good	5.381 \| good	23.24 \| good	13.329 \| good	1.094 \| good	15.443 \| good	0.25 \| good
2025-10-25T06:00:00.000Z	49 \| good	8.854 \| good	39.09 \| good	14.29 \| good	1.081 \| good	14.632 \| good	0.226 \| good
2025-10-25T07:00:00.000Z	38 \| good	7.437 \| good	32.739 \| good	13.69 \| good	1.215 \| good	13.182 \| good	0.213 \| good
2025-10-25T08:00:00.000Z	44 \| good	7.866 \| good	34.405 \| good	15.842 \| good	1.35 \| good	11.732 \| good	0.2 \| good
2025-10-25T09:00:00.000Z	27 \| good	5.067 \| good	21.757 \| good	17.727 \| good	1.485 \| good	10.281 \| good	0.187 \| good
2025-10-25T10:00:00.000Z	33 \| good	6.243 \| good	27.714 \| good	16.366 \| good	1.656 \| good	10.895 \| good	0.189 \| good
2025-10-25T11:00:00.000Z	33 \| good	5.717 \| good	24.676 \| good	13.761 \| good	1.828 \| good	11.508 \| good	0.19 \| good
2025-10-25T12:00:00.000Z	27 \| good	5.31 \| good	23.028 \| good	10.862 \| good	1.999 \| good	12.121 \| good	0.192 \| good
2025-10-25T13:00:00.000Z	38 \| good	6.895 \| good	30.638 \| good	12.454 \| good	2.143 \| good	10.738 \| good	0.19 \| good
2025-10-25T14:00:00.000Z	27 \| good	5.034 \| good	21.743 \| good	17.127 \| good	2.288 \| good	9.354 \| good	0.188 \| good
2025-10-25T15:00:00.000Z	21 \| good	3.396 \| good	15 \| good	22.775 \| good	2.433 \| good	7.971 \| good	0.186 \| good
2025-10-25T16:00:00.000Z	25 \| good	3.777 \| good	16.415 \| good	27.306 \| good	2.154 \| good	6.533 \| good	0.169 \| good
2025-10-25T17:00:00.000Z	28 \| good	3.283 \| good	14.415 \| good	30.157 \| good	1.875 \| good	5.095 \| good	0.152 \| good
2025-10-25T18:00:00.000Z	29 \| good	3.27 \| good	14.375 \| good	31.225 \| good	1.596 \| good	3.657 \| good	0.135 \| good
2025-10-25T19:00:00.000Z	28 \| good	3.287 \| good	14.414 \| good	30.115 \| good	1.516 \| good	3.656 \| good	0.134 \| good
2025-10-25T20:00:00.000Z	28 \| good	2.919 \| good	11.97 \| good	29.709 \| good	1.436 \| good	3.655 \| good	0.133 \| good
2025-10-25T21:00:00.000Z	27 \| good	5.284 \| good	23.012 \| good	29.147 \| good	1.356 \| good	3.654 \| good	0.132 \| good
2025-10-25T22:00:00.000Z	38 \| good	6.616 \| good	29.097 \| good	29.53 \| good	1.211 \| good	4.524 \| good	0.137 \| good
2025-10-25T23:00:00.000Z	33 \| good	6.197 \| good	27.878 \| good	29.403 \| good	1.065 \| good	5.394 \| good	0.142 \| good
2025-10-26T00:00:00.000Z	32 \| good	4.835 \| good	5.063 \| good	34.75 \| good	0.885 \| good	6.1 \| good	0.146 \| good
2025-10-26T01:00:00.000Z	33 \| good	6.041 \| good	26.439 \| good	25.621 \| good	0.851 \| good	5.821 \| good	0.145 \| good
2025-10-26T02:00:00.000Z	38 \| good	6.823 \| good	30.306 \| good	27.028 \| good	0.782 \| good	5.378 \| good	0.143 \| good

West Allis, Wisconsin live air quality index now

Major air pollutants in West Allis, Wisconsin

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

Wauwatosa, Wisconsin

Greenfield, Wisconsin

Greendale, Wisconsin

Milwaukee, Wisconsin

New Berlin, Wisconsin

Brookfield, Wisconsin

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Frequently asked questions

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What is the current concentration of sulfur dioxide (SO2) in West Allis, Wisconsin?

What is the current concentration of ozone (O3) in West Allis, Wisconsin?

What is the current concentration of nitrogen dioxide (NO2) in West Allis, Wisconsin?

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 West Allis, Wisconsin?

What is the current concentration of PM₁₀ in West Allis, Wisconsin?

What is the current concentration of sulfur dioxide (SO₂) in West Allis, Wisconsin?

What is the current concentration of ozone (O₃) in West Allis, Wisconsin?

What is the current concentration of nitrogen dioxide (NO₂) in West Allis, Wisconsin?