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

The current PM10 concentration at West Allis, Wisconsin is 53.385 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 2.771 ppb.

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

The current ozone (O3) concentration at West Allis, Wisconsin is 43.801 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 6.38 ppb.

West Allis, Wisconsin live air quality index now

Name: Live air pollution levels in West Allis, Wisconsin today
Creator: Ambee

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)

2.86 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

14.09 μg/m³

155

255

425

605+

Ozone (O₃)

49.85 ppb

201

201+

Sulfur Dioxide (SO₂)

0.38 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.97 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.38 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
2025-07-23T00:00:00.000Z	75 \| moderate	21.683 \| fine	69.676 \| fine	53.391 \| good	0.474 \| good	2.201 \| good	0.317 \| good
2025-07-23T01:00:00.000Z	75 \| moderate	21.774 \| fine	72.732 \| fine	54.531 \| good	0.531 \| good	2.767 \| good	0.313 \| good
2025-07-23T02:00:00.000Z	73 \| moderate	21.259 \| fine	74.499 \| fine	54.69 \| good	0.651 \| good	4.5 \| good	0.322 \| good
2025-07-23T03:00:00.000Z	73 \| moderate	20.732 \| fine	68.787 \| fine	54.526 \| good	0.571 \| good	4.807 \| good	0.325 \| good
2025-07-23T04:00:00.000Z	71 \| moderate	20.283 \| fine	70.201 \| fine	53.367 \| good	0.57 \| good	3.441 \| good	0.294 \| good
2025-07-23T05:00:00.000Z	69 \| moderate	19.101 \| fine	60.608 \| fine	49.795 \| good	0.504 \| good	3.585 \| good	0.294 \| good
2025-07-23T06:00:00.000Z	67 \| moderate	18.308 \| fine	56.326 \| fine	47.754 \| good	0.903 \| good	5.471 \| good	0.293 \| good
2025-07-23T07:00:00.000Z	67 \| moderate	17.562 \| fine	53.205 \| good	44.644 \| good	1.71 \| good	5.04 \| good	0.286 \| good
2025-07-23T08:00:00.000Z	66 \| moderate	16.736 \| fine	53.385 \| good	43.801 \| good	2.771 \| good	6.38 \| good	0.34 \| good
2025-07-23T09:00:00.000Z	66 \| moderate	16.527 \| fine	53.114 \| good	39.268 \| good	2.586 \| good	6.818 \| good	0.34 \| good
2025-07-23T10:00:00.000Z	66 \| moderate	16.655 \| fine	55.924 \| fine	36.653 \| good	1.245 \| good	15.115 \| good	0.34 \| good
2025-07-23T11:00:00.000Z	66 \| moderate	16.561 \| fine	55.522 \| fine	36.615 \| good	0.976 \| good	10.948 \| good	0.34 \| good
2025-07-23T12:00:00.000Z	64 \| moderate	16.245 \| fine	55.753 \| fine	36.942 \| good	0.943 \| good	9.842 \| good	0.218 \| good
2025-07-23T13:00:00.000Z	64 \| moderate	16.458 \| fine	52.842 \| good	37.826 \| good	0.998 \| good	14.675 \| good	0.301 \| good
2025-07-23T14:00:00.000Z	66 \| moderate	16.815 \| fine	57.934 \| fine	36.537 \| good	0.476 \| good	15.649 \| good	0.301 \| good
2025-07-23T15:00:00.000Z	64 \| moderate	16.274 \| fine	55.562 \| fine	32.446 \| good	0.457 \| good	15.08 \| good	0.301 \| good
2025-07-23T16:00:00.000Z	62 \| moderate	15.205 \| fine	52.238 \| good	32.277 \| good	0.472 \| good	14.913 \| good	0.299 \| good
2025-07-23T17:00:00.000Z	64 \| moderate	15.648 \| fine	56.776 \| fine	37.028 \| good	0.38 \| good	14.867 \| good	0.214 \| good
2025-07-23T18:00:00.000Z	64 \| moderate	16.425 \| fine	61.272 \| fine	45.36 \| good	0.456 \| good	11.074 \| good	0.288 \| good
2025-07-23T19:00:00.000Z	66 \| moderate	17.081 \| fine	62.062 \| fine	50.789 \| good	0.667 \| good	5.804 \| good	0.288 \| good
2025-07-23T20:00:00.000Z	66 \| moderate	17.494 \| fine	64.282 \| fine	53.976 \| good	0.842 \| good	7.853 \| good	0.288 \| good
2025-07-23T21:00:00.000Z	66 \| moderate	16.968 \| fine	59.568 \| fine	53.342 \| good	0.958 \| good	6.711 \| good	0.288 \| good
2025-07-23T22:00:00.000Z	64 \| moderate	16.268 \| fine	59.155 \| fine	52.2 \| good	0.815 \| good	5.6 \| good	0.286 \| good
2025-07-23T23:00:00.000Z	62 \| moderate	15.408 \| fine	56.909 \| fine	49.086 \| good	0.485 \| good	5.512 \| good	0.196 \| good
2025-07-24T00:00:00.000Z	62 \| moderate	14.801 \| fine	54.742 \| good	44.549 \| good	0.387 \| good	5.774 \| good	0.282 \| good
2025-07-24T01:00:00.000Z	60 \| moderate	14.152 \| fine	53.257 \| good	39.652 \| good	0.361 \| good	7.11 \| good	0.274 \| good
2025-07-24T02:00:00.000Z	60 \| moderate	14.303 \| fine	57.124 \| fine	40.295 \| good	0.441 \| good	10.645 \| good	0.288 \| good
2025-07-24T03:00:00.000Z	58 \| moderate	13.161 \| fine	59.701 \| fine	37.207 \| good	0.63 \| good	4.518 \| good	0.176 \| good
2025-07-24T04:00:00.000Z	60 \| moderate	13.996 \| fine	53.603 \| good	31.35 \| good	0.519 \| good	9.176 \| good	0.284 \| good
2025-07-24T05:00:00.000Z	60 \| moderate	14.022 \| fine	53.831 \| good	28.699 \| good	0.521 \| good	5.99 \| good	0.188 \| good
2025-07-24T06:00:00.000Z	60 \| moderate	13.737 \| fine	54.633 \| good	25.937 \| good	0.595 \| good	4.633 \| good	0.107 \| good
2025-07-24T07:00:00.000Z	60 \| moderate	13.751 \| fine	53.479 \| good	25.057 \| good	0.435 \| good	3.605 \| good	0.105 \| good
2025-07-24T08:00:00.000Z	60 \| moderate	13.567 \| fine	52.633 \| good	24.488 \| good	0.37 \| good	3.537 \| good	0.105 \| good
2025-07-24T09:00:00.000Z	58 \| moderate	13.499 \| fine	53.248 \| good	23.131 \| good	0.369 \| good	3.925 \| good	0.105 \| good
2025-07-24T10:00:00.000Z	58 \| moderate	13.23 \| fine	50.005 \| good	20.986 \| good	0.457 \| good	5.013 \| good	0.105 \| good
2025-07-24T11:00:00.000Z	58 \| moderate	12.898 \| fine	46.197 \| good	21.298 \| good	0.453 \| good	7.887 \| good	0.291 \| good
2025-07-24T12:00:00.000Z	56 \| moderate	12.379 \| fine	42.222 \| good	20.694 \| good	0.515 \| good	9.618 \| good	0.291 \| good
2025-07-24T13:00:00.000Z	56 \| moderate	12.236 \| fine	46.161 \| good	23.13 \| good	0.534 \| good	8.431 \| good	0.29 \| good
2025-07-24T14:00:00.000Z	54 \| moderate	11.354 \| good	40.529 \| good	24.911 \| good	0.547 \| good	7.642 \| good	0.296 \| good
2025-07-24T15:00:00.000Z	52 \| moderate	9.545 \| good	35.855 \| good	24.49 \| good	0.388 \| good	9.432 \| good	0.199 \| good
2025-07-24T16:00:00.000Z	38 \| good	7.226 \| good	30.141 \| good	37.152 \| good	0.38 \| good	10.15 \| good	0.199 \| good
2025-07-24T17:00:00.000Z	36 \| good	5.446 \| good	19.819 \| good	38.918 \| good	0.506 \| good	12.589 \| good	0.197 \| good
2025-07-24T18:00:00.000Z	36 \| good	4.48 \| good	19.147 \| good	39.279 \| good	0.511 \| good	12.929 \| good	0.196 \| good
2025-07-24T19:00:00.000Z	38 \| good	4.081 \| good	17.495 \| good	41.246 \| good	0.47 \| good	12.815 \| good	0.197 \| good
2025-07-24T20:00:00.000Z	44 \| good	3.873 \| good	17.845 \| good	47.787 \| good	0.447 \| good	10.238 \| good	0.286 \| good
2025-07-24T21:00:00.000Z	44 \| good	3.44 \| good	14.948 \| good	48.362 \| good	0.37 \| good	9.959 \| good	0.286 \| good
2025-07-24T22:00:00.000Z	46 \| good	2.862 \| good	14.093 \| good	49.852 \| good	0.377 \| good	10.974 \| good	0.379 \| good
2025-07-24T23:00:00.000Z	47 \| good	3.416 \| good	18.737 \| good	50.501 \| good	0.446 \| good	8.601 \| good	0.286 \| good
2025-07-24T23:00:00.000Z	46 \| good	2.862 \| good	14.093 \| good	49.852 \| good	0.377 \| good	10.974 \| good	0.379 \| good
2025-07-23T09:00:00.000Z	77 \| moderate	22.814 \| fine	100.627 \| fine	27.641 \| good	2.048 \| good	6.256 \| good	0.256 \| good
2025-07-23T10:00:00.000Z	81 \| moderate	25.136 \| fine	110.114 \| fine	22.751 \| good	1.926 \| good	6.157 \| good	0.253 \| good
2025-07-23T11:00:00.000Z	73 \| moderate	20.741 \| fine	91.662 \| fine	24.947 \| good	1.803 \| good	6.058 \| good	0.251 \| good
2025-07-23T12:00:00.000Z	71 \| moderate	19.583 \| fine	86.175 \| fine	28.603 \| good	1.68 \| good	5.959 \| good	0.248 \| good
2025-07-23T13:00:00.000Z	64 \| moderate	16.178 \| fine	71.884 \| fine	32.917 \| good	1.8 \| good	5.531 \| good	0.251 \| good
2025-07-23T14:00:00.000Z	62 \| moderate	15.087 \| fine	66.915 \| fine	39.072 \| good	1.919 \| good	5.104 \| good	0.254 \| good
2025-07-23T15:00:00.000Z	60 \| moderate	14.458 \| fine	64.832 \| fine	40.701 \| good	2.038 \| good	4.676 \| good	0.257 \| good
2025-07-23T16:00:00.000Z	60 \| moderate	13.778 \| fine	62.435 \| fine	43.125 \| good	1.869 \| good	3.805 \| good	0.25 \| good
2025-07-23T17:00:00.000Z	58 \| moderate	13.05 \| fine	58.832 \| fine	39.893 \| good	1.7 \| good	2.934 \| good	0.243 \| good
2025-07-23T18:00:00.000Z	58 \| moderate	13.327 \| fine	59.849 \| fine	43.959 \| good	1.531 \| good	2.063 \| good	0.236 \| good
2025-07-23T19:00:00.000Z	60 \| moderate	13.695 \| fine	61.237 \| fine	46.056 \| good	1.368 \| good	1.99 \| good	0.227 \| good
2025-07-23T20:00:00.000Z	60 \| moderate	14.104 \| fine	63.048 \| fine	48.562 \| good	1.204 \| good	1.918 \| good	0.218 \| good
2025-07-23T21:00:00.000Z	60 \| moderate	14.356 \| fine	64.737 \| fine	47.662 \| good	1.041 \| good	1.845 \| good	0.209 \| good
2025-07-23T22:00:00.000Z	62 \| moderate	14.545 \| fine	65 \| fine	45.92 \| good	0.946 \| good	2.665 \| good	0.206 \| good
2025-07-23T23:00:00.000Z	69 \| moderate	19.271 \| fine	84.699 \| fine	44.687 \| good	0.851 \| good	3.484 \| good	0.203 \| good
2025-07-24T00:00:00.000Z	73 \| moderate	21.095 \| fine	92.614 \| fine	46.909 \| good	0.755 \| good	4.304 \| good	0.2 \| good
2025-07-24T01:00:00.000Z	67 \| moderate	17.82 \| fine	78.851 \| fine	43.237 \| good	0.742 \| good	4.752 \| good	0.198 \| good
2025-07-24T02:00:00.000Z	67 \| moderate	17.979 \| fine	79.117 \| fine	38.663 \| good	0.728 \| good	5.2 \| good	0.196 \| good
2025-07-24T03:00:00.000Z	67 \| moderate	17.82 \| fine	79.01 \| fine	34.49 \| good	0.715 \| good	5.648 \| good	0.195 \| good
2025-07-24T04:00:00.000Z	67 \| moderate	17.765 \| fine	78.853 \| fine	32.821 \| good	0.7 \| good	5.48 \| good	0.193 \| good
2025-07-24T05:00:00.000Z	75 \| moderate	21.882 \| fine	96.373 \| fine	34.691 \| good	0.685 \| good	5.311 \| good	0.192 \| good
2025-07-24T06:00:00.000Z	81 \| moderate	24.606 \| fine	106.729 \| fine	34.889 \| good	0.67 \| good	5.142 \| good	0.191 \| good
2025-07-24T07:00:00.000Z	82 \| moderate	25.954 \| fine	112.798 \| fine	33.494 \| good	0.643 \| good	4.58 \| good	0.185 \| good
2025-07-24T08:00:00.000Z	81 \| moderate	25.338 \| fine	110.699 \| fine	31.479 \| good	0.615 \| good	4.019 \| good	0.18 \| good
2025-07-24T09:00:00.000Z	79 \| moderate	24.165 \| fine	105.047 \| fine	30.807 \| good	0.588 \| good	3.457 \| good	0.175 \| good
2025-07-24T10:00:00.000Z	77 \| moderate	22.846 \| fine	100.387 \| fine	29.945 \| good	0.671 \| good	3.512 \| good	0.179 \| good
2025-07-24T11:00:00.000Z	71 \| moderate	20.061 \| fine	88.017 \| fine	27.95 \| good	0.754 \| good	3.567 \| good	0.182 \| good
2025-07-24T12:00:00.000Z	67 \| moderate	18.304 \| fine	80.999 \| fine	31.599 \| good	0.837 \| good	3.622 \| good	0.186 \| good
2025-07-24T13:00:00.000Z	64 \| moderate	15.983 \| fine	71.611 \| fine	37.434 \| good	0.891 \| good	3.472 \| good	0.194 \| good
2025-07-24T14:00:00.000Z	58 \| moderate	12.517 \| fine	56.588 \| fine	39.8 \| good	0.945 \| good	3.323 \| good	0.203 \| good
2025-07-24T15:00:00.000Z	52 \| moderate	9.716 \| good	43.275 \| good	39.213 \| good	0.999 \| good	3.173 \| good	0.212 \| good
2025-07-24T16:00:00.000Z	38 \| good	7.43 \| good	32.758 \| good	38.997 \| good	0.905 \| good	2.733 \| good	0.205 \| good
2025-07-24T17:00:00.000Z	40 \| good	6.924 \| good	30.781 \| good	42.533 \| good	0.811 \| good	2.294 \| good	0.199 \| good
2025-07-24T18:00:00.000Z	44 \| good	8.032 \| good	34.989 \| good	44.786 \| good	0.718 \| good	1.855 \| good	0.193 \| good
2025-07-24T19:00:00.000Z	49 \| good	8.684 \| good	37.934 \| good	44.613 \| good	0.633 \| good	2.503 \| good	0.187 \| good
2025-07-24T20:00:00.000Z	44 \| good	8.348 \| good	36.632 \| good	43.917 \| good	0.548 \| good	3.152 \| good	0.182 \| good
2025-07-24T21:00:00.000Z	49 \| good	8.924 \| good	39.896 \| good	43.985 \| good	0.464 \| good	3.8 \| good	0.177 \| good
2025-07-24T22:00:00.000Z	42 \| good	7.064 \| good	30.995 \| good	45.084 \| good	0.48 \| good	4.428 \| good	0.183 \| good
2025-07-24T23:00:00.000Z	42 \| good	7.097 \| good	31.001 \| good	45.394 \| good	0.497 \| good	5.056 \| good	0.189 \| good
2025-07-25T00:00:00.000Z	58 \| moderate	13.004 \| fine	58.398 \| fine	47.558 \| good	0.514 \| good	5.684 \| good	0.195 \| good
2025-07-25T01:00:00.000Z	69 \| moderate	19.296 \| fine	85.229 \| fine	43.622 \| good	0.483 \| good	5.64 \| good	0.189 \| good
2025-07-25T02:00:00.000Z	69 \| moderate	18.721 \| fine	83.229 \| fine	34.713 \| good	0.453 \| good	5.596 \| good	0.182 \| good
2025-07-25T03:00:00.000Z	60 \| moderate	13.739 \| fine	61.958 \| fine	39.971 \| good	0.423 \| good	5.552 \| good	0.176 \| good
2025-07-25T04:00:00.000Z	56 \| moderate	11.789 \| good	52.745 \| good	42.424 \| good	0.393 \| good	5.253 \| good	0.171 \| good
2025-07-25T05:00:00.000Z	64 \| moderate	15.632 \| fine	69.594 \| fine	38.317 \| good	0.364 \| good	4.955 \| good	0.165 \| good
2025-07-25T06:00:00.000Z	31 \| good	3.471 \| good	3.716 \| good	32.813 \| good	0.332 \| good	4.679 \| good	0.16 \| good
2025-07-25T07:00:00.000Z	64 \| moderate	16.416 \| fine	73.287 \| fine	28.269 \| good	0.337 \| good	4.645 \| good	0.16 \| good
2025-07-25T08:00:00.000Z	66 \| moderate	16.629 \| fine	74.259 \| fine	25.35 \| good	0.34 \| good	4.633 \| good	0.16 \| good

West Allis

Get reliable air quality data to drive your business

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

0.42ppm

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 06:00:00 on 2025-07-22.

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 11:00:00 on 2025-07-22.

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

The current air quality in West Allis, Wisconsin is 66, categorized as Moderate based on real-time data.

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

The most common pollutant in West Allis, Wisconsin is PM2.5.

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 16.736 μg/m³.

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

The current PM₁₀ concentration at West Allis, Wisconsin is 53.385 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 0.34 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 2.771 ppb.

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

The current ozone (O₃) concentration at West Allis, Wisconsin is 43.801 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 6.38 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-23T00:00:00.000Z	75 \| moderate	21.683 \| fine	69.676 \| fine	53.391 \| good	0.474 \| good	2.201 \| good	0.317 \| good
2025-07-23T01:00:00.000Z	75 \| moderate	21.774 \| fine	72.732 \| fine	54.531 \| good	0.531 \| good	2.767 \| good	0.313 \| good
2025-07-23T02:00:00.000Z	73 \| moderate	21.259 \| fine	74.499 \| fine	54.69 \| good	0.651 \| good	4.5 \| good	0.322 \| good
2025-07-23T03:00:00.000Z	73 \| moderate	20.732 \| fine	68.787 \| fine	54.526 \| good	0.571 \| good	4.807 \| good	0.325 \| good
2025-07-23T04:00:00.000Z	71 \| moderate	20.283 \| fine	70.201 \| fine	53.367 \| good	0.57 \| good	3.441 \| good	0.294 \| good
2025-07-23T05:00:00.000Z	69 \| moderate	19.101 \| fine	60.608 \| fine	49.795 \| good	0.504 \| good	3.585 \| good	0.294 \| good
2025-07-23T06:00:00.000Z	67 \| moderate	18.308 \| fine	56.326 \| fine	47.754 \| good	0.903 \| good	5.471 \| good	0.293 \| good
2025-07-23T07:00:00.000Z	67 \| moderate	17.562 \| fine	53.205 \| good	44.644 \| good	1.71 \| good	5.04 \| good	0.286 \| good
2025-07-23T08:00:00.000Z	66 \| moderate	16.736 \| fine	53.385 \| good	43.801 \| good	2.771 \| good	6.38 \| good	0.34 \| good
2025-07-23T09:00:00.000Z	66 \| moderate	16.527 \| fine	53.114 \| good	39.268 \| good	2.586 \| good	6.818 \| good	0.34 \| good
2025-07-23T10:00:00.000Z	66 \| moderate	16.655 \| fine	55.924 \| fine	36.653 \| good	1.245 \| good	15.115 \| good	0.34 \| good
2025-07-23T11:00:00.000Z	66 \| moderate	16.561 \| fine	55.522 \| fine	36.615 \| good	0.976 \| good	10.948 \| good	0.34 \| good
2025-07-23T12:00:00.000Z	64 \| moderate	16.245 \| fine	55.753 \| fine	36.942 \| good	0.943 \| good	9.842 \| good	0.218 \| good
2025-07-23T13:00:00.000Z	64 \| moderate	16.458 \| fine	52.842 \| good	37.826 \| good	0.998 \| good	14.675 \| good	0.301 \| good
2025-07-23T14:00:00.000Z	66 \| moderate	16.815 \| fine	57.934 \| fine	36.537 \| good	0.476 \| good	15.649 \| good	0.301 \| good
2025-07-23T15:00:00.000Z	64 \| moderate	16.274 \| fine	55.562 \| fine	32.446 \| good	0.457 \| good	15.08 \| good	0.301 \| good
2025-07-23T16:00:00.000Z	62 \| moderate	15.205 \| fine	52.238 \| good	32.277 \| good	0.472 \| good	14.913 \| good	0.299 \| good
2025-07-23T17:00:00.000Z	64 \| moderate	15.648 \| fine	56.776 \| fine	37.028 \| good	0.38 \| good	14.867 \| good	0.214 \| good
2025-07-23T18:00:00.000Z	64 \| moderate	16.425 \| fine	61.272 \| fine	45.36 \| good	0.456 \| good	11.074 \| good	0.288 \| good
2025-07-23T19:00:00.000Z	66 \| moderate	17.081 \| fine	62.062 \| fine	50.789 \| good	0.667 \| good	5.804 \| good	0.288 \| good
2025-07-23T20:00:00.000Z	66 \| moderate	17.494 \| fine	64.282 \| fine	53.976 \| good	0.842 \| good	7.853 \| good	0.288 \| good
2025-07-23T21:00:00.000Z	66 \| moderate	16.968 \| fine	59.568 \| fine	53.342 \| good	0.958 \| good	6.711 \| good	0.288 \| good
2025-07-23T22:00:00.000Z	64 \| moderate	16.268 \| fine	59.155 \| fine	52.2 \| good	0.815 \| good	5.6 \| good	0.286 \| good
2025-07-23T23:00:00.000Z	62 \| moderate	15.408 \| fine	56.909 \| fine	49.086 \| good	0.485 \| good	5.512 \| good	0.196 \| good
2025-07-24T00:00:00.000Z	62 \| moderate	14.801 \| fine	54.742 \| good	44.549 \| good	0.387 \| good	5.774 \| good	0.282 \| good
2025-07-24T01:00:00.000Z	60 \| moderate	14.152 \| fine	53.257 \| good	39.652 \| good	0.361 \| good	7.11 \| good	0.274 \| good
2025-07-24T02:00:00.000Z	60 \| moderate	14.303 \| fine	57.124 \| fine	40.295 \| good	0.441 \| good	10.645 \| good	0.288 \| good
2025-07-24T03:00:00.000Z	58 \| moderate	13.161 \| fine	59.701 \| fine	37.207 \| good	0.63 \| good	4.518 \| good	0.176 \| good
2025-07-24T04:00:00.000Z	60 \| moderate	13.996 \| fine	53.603 \| good	31.35 \| good	0.519 \| good	9.176 \| good	0.284 \| good
2025-07-24T05:00:00.000Z	60 \| moderate	14.022 \| fine	53.831 \| good	28.699 \| good	0.521 \| good	5.99 \| good	0.188 \| good
2025-07-24T06:00:00.000Z	60 \| moderate	13.737 \| fine	54.633 \| good	25.937 \| good	0.595 \| good	4.633 \| good	0.107 \| good
2025-07-24T07:00:00.000Z	60 \| moderate	13.751 \| fine	53.479 \| good	25.057 \| good	0.435 \| good	3.605 \| good	0.105 \| good
2025-07-24T08:00:00.000Z	60 \| moderate	13.567 \| fine	52.633 \| good	24.488 \| good	0.37 \| good	3.537 \| good	0.105 \| good
2025-07-24T09:00:00.000Z	58 \| moderate	13.499 \| fine	53.248 \| good	23.131 \| good	0.369 \| good	3.925 \| good	0.105 \| good
2025-07-24T10:00:00.000Z	58 \| moderate	13.23 \| fine	50.005 \| good	20.986 \| good	0.457 \| good	5.013 \| good	0.105 \| good
2025-07-24T11:00:00.000Z	58 \| moderate	12.898 \| fine	46.197 \| good	21.298 \| good	0.453 \| good	7.887 \| good	0.291 \| good
2025-07-24T12:00:00.000Z	56 \| moderate	12.379 \| fine	42.222 \| good	20.694 \| good	0.515 \| good	9.618 \| good	0.291 \| good
2025-07-24T13:00:00.000Z	56 \| moderate	12.236 \| fine	46.161 \| good	23.13 \| good	0.534 \| good	8.431 \| good	0.29 \| good
2025-07-24T14:00:00.000Z	54 \| moderate	11.354 \| good	40.529 \| good	24.911 \| good	0.547 \| good	7.642 \| good	0.296 \| good
2025-07-24T15:00:00.000Z	52 \| moderate	9.545 \| good	35.855 \| good	24.49 \| good	0.388 \| good	9.432 \| good	0.199 \| good
2025-07-24T16:00:00.000Z	38 \| good	7.226 \| good	30.141 \| good	37.152 \| good	0.38 \| good	10.15 \| good	0.199 \| good
2025-07-24T17:00:00.000Z	36 \| good	5.446 \| good	19.819 \| good	38.918 \| good	0.506 \| good	12.589 \| good	0.197 \| good
2025-07-24T18:00:00.000Z	36 \| good	4.48 \| good	19.147 \| good	39.279 \| good	0.511 \| good	12.929 \| good	0.196 \| good
2025-07-24T19:00:00.000Z	38 \| good	4.081 \| good	17.495 \| good	41.246 \| good	0.47 \| good	12.815 \| good	0.197 \| good
2025-07-24T20:00:00.000Z	44 \| good	3.873 \| good	17.845 \| good	47.787 \| good	0.447 \| good	10.238 \| good	0.286 \| good
2025-07-24T21:00:00.000Z	44 \| good	3.44 \| good	14.948 \| good	48.362 \| good	0.37 \| good	9.959 \| good	0.286 \| good
2025-07-24T22:00:00.000Z	46 \| good	2.862 \| good	14.093 \| good	49.852 \| good	0.377 \| good	10.974 \| good	0.379 \| good
2025-07-24T23:00:00.000Z	47 \| good	3.416 \| good	18.737 \| good	50.501 \| good	0.446 \| good	8.601 \| good	0.286 \| good
2025-07-24T23:00:00.000Z	46 \| good	2.862 \| good	14.093 \| good	49.852 \| good	0.377 \| good	10.974 \| good	0.379 \| good
2025-07-23T09:00:00.000Z	77 \| moderate	22.814 \| fine	100.627 \| fine	27.641 \| good	2.048 \| good	6.256 \| good	0.256 \| good
2025-07-23T10:00:00.000Z	81 \| moderate	25.136 \| fine	110.114 \| fine	22.751 \| good	1.926 \| good	6.157 \| good	0.253 \| good
2025-07-23T11:00:00.000Z	73 \| moderate	20.741 \| fine	91.662 \| fine	24.947 \| good	1.803 \| good	6.058 \| good	0.251 \| good
2025-07-23T12:00:00.000Z	71 \| moderate	19.583 \| fine	86.175 \| fine	28.603 \| good	1.68 \| good	5.959 \| good	0.248 \| good
2025-07-23T13:00:00.000Z	64 \| moderate	16.178 \| fine	71.884 \| fine	32.917 \| good	1.8 \| good	5.531 \| good	0.251 \| good
2025-07-23T14:00:00.000Z	62 \| moderate	15.087 \| fine	66.915 \| fine	39.072 \| good	1.919 \| good	5.104 \| good	0.254 \| good
2025-07-23T15:00:00.000Z	60 \| moderate	14.458 \| fine	64.832 \| fine	40.701 \| good	2.038 \| good	4.676 \| good	0.257 \| good
2025-07-23T16:00:00.000Z	60 \| moderate	13.778 \| fine	62.435 \| fine	43.125 \| good	1.869 \| good	3.805 \| good	0.25 \| good
2025-07-23T17:00:00.000Z	58 \| moderate	13.05 \| fine	58.832 \| fine	39.893 \| good	1.7 \| good	2.934 \| good	0.243 \| good
2025-07-23T18:00:00.000Z	58 \| moderate	13.327 \| fine	59.849 \| fine	43.959 \| good	1.531 \| good	2.063 \| good	0.236 \| good
2025-07-23T19:00:00.000Z	60 \| moderate	13.695 \| fine	61.237 \| fine	46.056 \| good	1.368 \| good	1.99 \| good	0.227 \| good
2025-07-23T20:00:00.000Z	60 \| moderate	14.104 \| fine	63.048 \| fine	48.562 \| good	1.204 \| good	1.918 \| good	0.218 \| good
2025-07-23T21:00:00.000Z	60 \| moderate	14.356 \| fine	64.737 \| fine	47.662 \| good	1.041 \| good	1.845 \| good	0.209 \| good
2025-07-23T22:00:00.000Z	62 \| moderate	14.545 \| fine	65 \| fine	45.92 \| good	0.946 \| good	2.665 \| good	0.206 \| good
2025-07-23T23:00:00.000Z	69 \| moderate	19.271 \| fine	84.699 \| fine	44.687 \| good	0.851 \| good	3.484 \| good	0.203 \| good
2025-07-24T00:00:00.000Z	73 \| moderate	21.095 \| fine	92.614 \| fine	46.909 \| good	0.755 \| good	4.304 \| good	0.2 \| good
2025-07-24T01:00:00.000Z	67 \| moderate	17.82 \| fine	78.851 \| fine	43.237 \| good	0.742 \| good	4.752 \| good	0.198 \| good
2025-07-24T02:00:00.000Z	67 \| moderate	17.979 \| fine	79.117 \| fine	38.663 \| good	0.728 \| good	5.2 \| good	0.196 \| good
2025-07-24T03:00:00.000Z	67 \| moderate	17.82 \| fine	79.01 \| fine	34.49 \| good	0.715 \| good	5.648 \| good	0.195 \| good
2025-07-24T04:00:00.000Z	67 \| moderate	17.765 \| fine	78.853 \| fine	32.821 \| good	0.7 \| good	5.48 \| good	0.193 \| good
2025-07-24T05:00:00.000Z	75 \| moderate	21.882 \| fine	96.373 \| fine	34.691 \| good	0.685 \| good	5.311 \| good	0.192 \| good
2025-07-24T06:00:00.000Z	81 \| moderate	24.606 \| fine	106.729 \| fine	34.889 \| good	0.67 \| good	5.142 \| good	0.191 \| good
2025-07-24T07:00:00.000Z	82 \| moderate	25.954 \| fine	112.798 \| fine	33.494 \| good	0.643 \| good	4.58 \| good	0.185 \| good
2025-07-24T08:00:00.000Z	81 \| moderate	25.338 \| fine	110.699 \| fine	31.479 \| good	0.615 \| good	4.019 \| good	0.18 \| good
2025-07-24T09:00:00.000Z	79 \| moderate	24.165 \| fine	105.047 \| fine	30.807 \| good	0.588 \| good	3.457 \| good	0.175 \| good
2025-07-24T10:00:00.000Z	77 \| moderate	22.846 \| fine	100.387 \| fine	29.945 \| good	0.671 \| good	3.512 \| good	0.179 \| good
2025-07-24T11:00:00.000Z	71 \| moderate	20.061 \| fine	88.017 \| fine	27.95 \| good	0.754 \| good	3.567 \| good	0.182 \| good
2025-07-24T12:00:00.000Z	67 \| moderate	18.304 \| fine	80.999 \| fine	31.599 \| good	0.837 \| good	3.622 \| good	0.186 \| good
2025-07-24T13:00:00.000Z	64 \| moderate	15.983 \| fine	71.611 \| fine	37.434 \| good	0.891 \| good	3.472 \| good	0.194 \| good
2025-07-24T14:00:00.000Z	58 \| moderate	12.517 \| fine	56.588 \| fine	39.8 \| good	0.945 \| good	3.323 \| good	0.203 \| good
2025-07-24T15:00:00.000Z	52 \| moderate	9.716 \| good	43.275 \| good	39.213 \| good	0.999 \| good	3.173 \| good	0.212 \| good
2025-07-24T16:00:00.000Z	38 \| good	7.43 \| good	32.758 \| good	38.997 \| good	0.905 \| good	2.733 \| good	0.205 \| good
2025-07-24T17:00:00.000Z	40 \| good	6.924 \| good	30.781 \| good	42.533 \| good	0.811 \| good	2.294 \| good	0.199 \| good
2025-07-24T18:00:00.000Z	44 \| good	8.032 \| good	34.989 \| good	44.786 \| good	0.718 \| good	1.855 \| good	0.193 \| good
2025-07-24T19:00:00.000Z	49 \| good	8.684 \| good	37.934 \| good	44.613 \| good	0.633 \| good	2.503 \| good	0.187 \| good
2025-07-24T20:00:00.000Z	44 \| good	8.348 \| good	36.632 \| good	43.917 \| good	0.548 \| good	3.152 \| good	0.182 \| good
2025-07-24T21:00:00.000Z	49 \| good	8.924 \| good	39.896 \| good	43.985 \| good	0.464 \| good	3.8 \| good	0.177 \| good
2025-07-24T22:00:00.000Z	42 \| good	7.064 \| good	30.995 \| good	45.084 \| good	0.48 \| good	4.428 \| good	0.183 \| good
2025-07-24T23:00:00.000Z	42 \| good	7.097 \| good	31.001 \| good	45.394 \| good	0.497 \| good	5.056 \| good	0.189 \| good
2025-07-25T00:00:00.000Z	58 \| moderate	13.004 \| fine	58.398 \| fine	47.558 \| good	0.514 \| good	5.684 \| good	0.195 \| good
2025-07-25T01:00:00.000Z	69 \| moderate	19.296 \| fine	85.229 \| fine	43.622 \| good	0.483 \| good	5.64 \| good	0.189 \| good
2025-07-25T02:00:00.000Z	69 \| moderate	18.721 \| fine	83.229 \| fine	34.713 \| good	0.453 \| good	5.596 \| good	0.182 \| good
2025-07-25T03:00:00.000Z	60 \| moderate	13.739 \| fine	61.958 \| fine	39.971 \| good	0.423 \| good	5.552 \| good	0.176 \| good
2025-07-25T04:00:00.000Z	56 \| moderate	11.789 \| good	52.745 \| good	42.424 \| good	0.393 \| good	5.253 \| good	0.171 \| good
2025-07-25T05:00:00.000Z	64 \| moderate	15.632 \| fine	69.594 \| fine	38.317 \| good	0.364 \| good	4.955 \| good	0.165 \| good
2025-07-25T06:00:00.000Z	31 \| good	3.471 \| good	3.716 \| good	32.813 \| good	0.332 \| good	4.679 \| good	0.16 \| good
2025-07-25T07:00:00.000Z	64 \| moderate	16.416 \| fine	73.287 \| fine	28.269 \| good	0.337 \| good	4.645 \| good	0.16 \| good
2025-07-25T08:00:00.000Z	66 \| moderate	16.629 \| fine	74.259 \| fine	25.35 \| good	0.34 \| good	4.633 \| good	0.16 \| 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?

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Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

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