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

The current PM10 concentration at West Allis, Wisconsin is 37.71 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 0.88 ppb.

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

The current ozone (O3) concentration at West Allis, Wisconsin is 43.279 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 4.307 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 14.704 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)

Moderate

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)

14.70 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

37.71 μg/m³

155

255

425

605+

Ozone (O₃)

43.28 ppb

201

201+

Sulfur Dioxide (SO₂)

0.88 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.31 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.36 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

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
2026-10-20T22:00:00.000Z	39 \| good	7.328 \| good	29.807 \| good	41.727 \| good	0.702 \| good	2.304 \| good	0.28 \| good
2026-10-20T23:00:00.000Z	44 \| good	7.527 \| good	26.033 \| good	42.917 \| good	0.473 \| good	3.1 \| good	0.283 \| good
2026-10-21T00:00:00.000Z	39 \| good	6.122 \| good	18.778 \| good	42.404 \| good	0.34 \| good	6.353 \| good	0.291 \| good
2026-10-21T01:00:00.000Z	41 \| good	6.854 \| good	15.679 \| good	43.619 \| good	0.273 \| good	9.297 \| good	0.294 \| good
2026-10-21T02:00:00.000Z	38 \| good	7.196 \| good	18.624 \| good	40.006 \| good	0.204 \| good	10.694 \| good	0.298 \| good
2026-10-21T03:00:00.000Z	67 \| moderate	17.602 \| fine	77.496 \| fine	24.099 \| good	1.416 \| good	14.016 \| good	0.216 \| good
2026-10-21T04:00:00.000Z	52 \| moderate	10.205 \| good	33.763 \| good	24.707 \| good	0.51 \| good	20.017 \| good	0.451 \| good
2026-10-21T05:00:00.000Z	58 \| moderate	13.333 \| fine	25.53 \| good	24.125 \| good	1.056 \| good	19.407 \| good	0.371 \| good
2026-10-21T06:00:00.000Z	62 \| moderate	15.079 \| fine	29.654 \| good	24.104 \| good	0.753 \| good	19.969 \| good	0.368 \| good
2026-10-21T07:00:00.000Z	64 \| moderate	15.657 \| fine	35.95 \| good	14.325 \| good	0.683 \| good	19.427 \| good	0.372 \| good
2026-10-21T08:00:00.000Z	62 \| moderate	15.212 \| fine	23.976 \| good	11.039 \| good	0.629 \| good	15.064 \| good	0.29 \| good
2026-10-21T09:00:00.000Z	64 \| moderate	15.76 \| fine	22.602 \| good	5.179 \| good	0.624 \| good	15.036 \| good	0.286 \| good
2026-10-21T10:00:00.000Z	62 \| moderate	14.575 \| fine	30.621 \| good	11.812 \| good	0.847 \| good	18.097 \| good	0.372 \| good
2026-10-21T11:00:00.000Z	62 \| moderate	14.851 \| fine	31.583 \| good	8.909 \| good	1.005 \| good	20.13 \| good	0.536 \| good
2026-10-21T12:00:00.000Z	64 \| moderate	15.573 \| fine	31.888 \| good	7.176 \| good	1.004 \| good	21.291 \| good	0.539 \| good
2026-10-21T13:00:00.000Z	64 \| moderate	15.667 \| fine	37.541 \| good	6.665 \| good	1.02 \| good	20.391 \| good	0.539 \| good
2026-10-21T14:00:00.000Z	77 \| moderate	22.782 \| fine	38.533 \| good	9.55 \| good	1.209 \| good	22.594 \| good	0.555 \| good
2026-10-21T15:00:00.000Z	82 \| moderate	26.31 \| fine	70.861 \| fine	11.946 \| good	0.946 \| good	22.571 \| good	0.552 \| good
2026-10-21T16:00:00.000Z	79 \| moderate	24.04 \| fine	65.161 \| fine	17.118 \| good	1.36 \| good	22.119 \| good	0.451 \| good
2026-10-21T17:00:00.000Z	62 \| moderate	14.814 \| fine	41.823 \| good	23.637 \| good	1.246 \| good	22.313 \| good	0.364 \| good
2026-10-21T18:00:00.000Z	56 \| moderate	11.891 \| good	42.329 \| good	25.272 \| good	1.081 \| good	20.485 \| good	0.362 \| good
2026-10-21T19:00:00.000Z	58 \| moderate	12.532 \| fine	38.51 \| good	32.446 \| good	0.969 \| good	20.655 \| good	0.362 \| good
2026-10-21T20:00:00.000Z	44 \| good	8.407 \| good	27.933 \| good	43.774 \| good	0.962 \| good	15.382 \| good	0.362 \| good
2026-10-21T21:00:00.000Z	49 \| good	9.455 \| good	37.893 \| good	38.648 \| good	1.163 \| good	17.016 \| good	0.362 \| good
2026-10-21T22:00:00.000Z	44 \| good	8.226 \| good	30.883 \| good	33.166 \| good	0.817 \| good	16.007 \| good	0.362 \| good
2026-10-21T23:00:00.000Z	49 \| good	8.927 \| good	29.609 \| good	46.958 \| good	0.838 \| good	17.509 \| good	0.365 \| good
2026-10-22T00:00:00.000Z	52 \| moderate	9.957 \| good	34.222 \| good	37.172 \| good	0.576 \| good	27.788 \| good	0.453 \| good
2026-10-22T01:00:00.000Z	58 \| moderate	13.139 \| fine	44.184 \| good	38.035 \| good	0.456 \| good	27.711 \| good	0.462 \| good
2026-10-22T02:00:00.000Z	62 \| moderate	15.336 \| fine	42.921 \| good	33.543 \| good	0.369 \| good	32.727 \| good	0.541 \| good
2026-10-22T03:00:00.000Z	58 \| moderate	12.631 \| fine	57.226 \| fine	18.422 \| good	0.961 \| good	32.032 \| good	0.33 \| good
2026-10-22T04:00:00.000Z	69 \| moderate	19.086 \| fine	45.516 \| good	21.49 \| good	0.283 \| good	29.315 \| good	0.627 \| good
2026-10-22T05:00:00.000Z	73 \| moderate	21.147 \| fine	48.657 \| good	17.207 \| good	0.36 \| good	24.972 \| good	0.544 \| good
2026-10-22T06:00:00.000Z	73 \| moderate	20.935 \| fine	42.642 \| good	13.481 \| good	0.34 \| good	22.645 \| good	0.391 \| good
2026-10-22T07:00:00.000Z	73 \| moderate	20.744 \| fine	44.253 \| good	12.006 \| good	0.34 \| good	22.332 \| good	0.391 \| good
2026-10-22T08:00:00.000Z	67 \| moderate	18.435 \| fine	51.479 \| good	10.74 \| good	0.477 \| good	21.209 \| good	0.382 \| good
2026-10-22T09:00:00.000Z	64 \| moderate	16.472 \| fine	48.068 \| good	11.494 \| good	0.463 \| good	21.922 \| good	0.378 \| good
2026-10-22T10:00:00.000Z	64 \| moderate	16.15 \| fine	44.388 \| good	5.875 \| good	0.413 \| good	22.634 \| good	0.376 \| good
2026-10-22T11:00:00.000Z	62 \| moderate	15.23 \| fine	35.518 \| good	8.193 \| good	0.418 \| good	23.537 \| good	0.547 \| good
2026-10-22T12:00:00.000Z	62 \| moderate	15.254 \| fine	38.721 \| good	8.705 \| good	0.323 \| good	26.821 \| good	0.562 \| good
2026-10-22T13:00:00.000Z	64 \| moderate	15.705 \| fine	48.351 \| good	6.524 \| good	0.326 \| good	27.033 \| good	0.553 \| good
2026-10-22T14:00:00.000Z	64 \| moderate	15.597 \| fine	37.333 \| good	14.337 \| good	0.562 \| good	25.93 \| good	0.638 \| good
2026-10-22T15:00:00.000Z	64 \| moderate	16.268 \| fine	39.852 \| good	13.203 \| good	0.341 \| good	15.522 \| good	0.56 \| good
2026-10-22T16:00:00.000Z	66 \| moderate	16.811 \| fine	48.282 \| good	18.022 \| good	0.579 \| good	7.728 \| good	0.304 \| good
2026-10-22T17:00:00.000Z	64 \| moderate	16.002 \| fine	49.923 \| good	24.166 \| good	0.658 \| good	9.527 \| good	0.371 \| good
2026-10-22T18:00:00.000Z	62 \| moderate	15.206 \| fine	50.79 \| good	24.82 \| good	0.736 \| good	4.81 \| good	0.286 \| good
2026-10-22T19:00:00.000Z	60 \| moderate	14.272 \| fine	36.747 \| good	35.886 \| good	0.773 \| good	4.836 \| good	0.28 \| good
2026-10-22T20:00:00.000Z	62 \| moderate	14.825 \| fine	36.249 \| good	38.073 \| good	0.961 \| good	3.978 \| good	0.28 \| good
2026-10-22T21:00:00.000Z	62 \| moderate	14.704 \| fine	37.71 \| good	43.279 \| good	0.88 \| good	4.307 \| good	0.362 \| good
2026-10-22T21:00:00.000Z	62 \| moderate	14.704 \| fine	37.71 \| good	43.279 \| good	0.88 \| good	4.307 \| good	0.362 \| good
2026-10-22T22:00:00.000Z	67 \| moderate	17.744 \| fine	78.205 \| fine	36.601 \| good	0.662 \| good	13.102 \| good	0.273 \| good
2026-10-22T23:00:00.000Z	71 \| moderate	20.325 \| fine	89.087 \| fine	30.8 \| good	0.669 \| good	19.07 \| good	0.305 \| good
2026-10-23T00:00:00.000Z	69 \| moderate	19.421 \| fine	85.24 \| fine	29.181 \| good	0.707 \| good	23.241 \| good	0.327 \| good
2026-10-23T01:00:00.000Z	66 \| moderate	17.188 \| fine	76.254 \| fine	27.503 \| good	0.755 \| good	25.538 \| good	0.335 \| good
2026-10-23T02:00:00.000Z	64 \| moderate	16.461 \| fine	73.352 \| fine	25.722 \| good	0.794 \| good	26.623 \| good	0.335 \| good
2026-10-23T03:00:00.000Z	64 \| moderate	16.307 \| fine	72.572 \| fine	20.347 \| good	0.822 \| good	27.108 \| good	0.332 \| good
2026-10-23T04:00:00.000Z	64 \| moderate	16.325 \| fine	72.465 \| fine	20.299 \| good	0.836 \| good	27.412 \| good	0.33 \| good
2026-10-23T05:00:00.000Z	64 \| moderate	16.402 \| fine	72.726 \| fine	17.676 \| good	0.834 \| good	26.423 \| good	0.323 \| good
2026-10-23T06:00:00.000Z	64 \| moderate	16.262 \| fine	72.415 \| fine	21.156 \| good	0.839 \| good	25.162 \| good	0.314 \| good
2026-10-23T07:00:00.000Z	67 \| moderate	17.61 \| fine	77.673 \| fine	18.857 \| good	0.865 \| good	24.735 \| good	0.307 \| good
2026-10-23T08:00:00.000Z	67 \| moderate	17.564 \| fine	77.484 \| fine	16.49 \| good	0.917 \| good	25.018 \| good	0.303 \| good
2026-10-23T09:00:00.000Z	66 \| moderate	17.236 \| fine	76.464 \| fine	16.997 \| good	1.002 \| good	25.854 \| good	0.302 \| good
2026-10-23T10:00:00.000Z	66 \| moderate	17.041 \| fine	75.367 \| fine	17.357 \| good	1.133 \| good	27 \| good	0.303 \| good
2026-10-23T11:00:00.000Z	69 \| moderate	18.586 \| fine	81.383 \| fine	15.931 \| good	1.299 \| good	28.748 \| good	0.309 \| good
2026-10-23T12:00:00.000Z	73 \| moderate	20.9 \| fine	91.886 \| fine	12.533 \| good	1.511 \| good	31.613 \| good	0.322 \| good
2026-10-23T13:00:00.000Z	75 \| moderate	21.706 \| fine	95.067 \| fine	17.272 \| good	1.755 \| good	31.06 \| good	0.344 \| good
2026-10-23T14:00:00.000Z	77 \| moderate	22.631 \| fine	98.986 \| fine	28.662 \| good	2.09 \| good	28.414 \| good	0.356 \| good
2026-10-23T15:00:00.000Z	73 \| moderate	21.229 \| fine	93.014 \| fine	32.332 \| good	2.424 \| good	26.165 \| good	0.362 \| good
2026-10-23T16:00:00.000Z	71 \| moderate	20.435 \| fine	89.666 \| fine	33.757 \| good	2.779 \| good	24.002 \| good	0.353 \| good
2026-10-23T17:00:00.000Z	73 \| moderate	21.002 \| fine	92.251 \| fine	35.878 \| good	2.863 \| good	21.346 \| good	0.334 \| good
2026-10-23T18:00:00.000Z	73 \| moderate	21.075 \| fine	92.191 \| fine	42.217 \| good	2.654 \| good	18.391 \| good	0.31 \| good
2026-10-23T19:00:00.000Z	71 \| moderate	20.392 \| fine	90.188 \| fine	44.771 \| good	2.135 \| good	16.07 \| good	0.288 \| good
2026-10-23T20:00:00.000Z	71 \| moderate	20.249 \| fine	89.181 \| fine	47.436 \| good	1.834 \| good	15.242 \| good	0.275 \| good
2026-10-23T21:00:00.000Z	75 \| moderate	21.704 \| fine	94.898 \| fine	42.907 \| good	1.905 \| good	14.729 \| good	0.261 \| good
2026-10-23T22:00:00.000Z	75 \| moderate	21.881 \| fine	95.919 \| fine	34.417 \| good	1.937 \| good	17.7 \| good	0.268 \| good
2026-10-23T23:00:00.000Z	73 \| moderate	21.448 \| fine	94.48 \| fine	32.99 \| good	2.013 \| good	20.736 \| good	0.277 \| good
2026-10-24T00:00:00.000Z	71 \| moderate	19.904 \| fine	87.583 \| fine	36.434 \| good	2.082 \| good	20.756 \| good	0.278 \| good
2026-10-24T01:00:00.000Z	66 \| moderate	16.898 \| fine	75.225 \| fine	35.969 \| good	2.086 \| good	19.31 \| good	0.268 \| good
2026-10-24T02:00:00.000Z	64 \| moderate	16.171 \| fine	71.417 \| fine	35.908 \| good	2.015 \| good	17.621 \| good	0.258 \| good
2026-10-24T03:00:00.000Z	64 \| moderate	15.925 \| fine	70.566 \| fine	34.001 \| good	1.879 \| good	16.161 \| good	0.248 \| good
2026-10-24T04:00:00.000Z	66 \| moderate	16.85 \| fine	75.119 \| fine	30.451 \| good	1.719 \| good	14.258 \| good	0.237 \| good
2026-10-24T05:00:00.000Z	69 \| moderate	18.758 \| fine	83.191 \| fine	27.005 \| good	1.518 \| good	11.737 \| good	0.226 \| good
2026-10-24T06:00:00.000Z	71 \| moderate	20.409 \| fine	89.705 \| fine	26.826 \| good	1.36 \| good	10.165 \| good	0.22 \| good
2026-10-24T07:00:00.000Z	75 \| moderate	21.864 \| fine	95.921 \| fine	24.039 \| good	1.303 \| good	9.661 \| good	0.219 \| good
2026-10-24T08:00:00.000Z	77 \| moderate	22.628 \| fine	98.935 \| fine	19.734 \| good	1.34 \| good	9.633 \| good	0.221 \| good
2026-10-24T09:00:00.000Z	75 \| moderate	21.584 \| fine	94.938 \| fine	17.346 \| good	1.423 \| good	9.653 \| good	0.223 \| good
2026-10-24T10:00:00.000Z	69 \| moderate	19.107 \| fine	83.793 \| fine	17.783 \| good	1.506 \| good	9.678 \| good	0.226 \| good
2026-10-24T11:00:00.000Z	67 \| moderate	18.283 \| fine	81.241 \| fine	14.935 \| good	1.553 \| good	9.828 \| good	0.228 \| good
2026-10-24T12:00:00.000Z	66 \| moderate	17.275 \| fine	77.073 \| fine	17.053 \| good	1.56 \| good	10.827 \| good	0.232 \| good
2026-10-24T13:00:00.000Z	64 \| moderate	16.464 \| fine	73.346 \| fine	18.777 \| good	1.539 \| good	12.385 \| good	0.238 \| good
2026-10-24T14:00:00.000Z	66 \| moderate	17.087 \| fine	75.748 \| fine	26.362 \| good	1.502 \| good	12.094 \| good	0.244 \| good
2026-10-24T15:00:00.000Z	62 \| moderate	15.325 \| fine	68.522 \| fine	32.154 \| good	1.519 \| good	11.117 \| good	0.242 \| good
2026-10-24T16:00:00.000Z	58 \| moderate	13.294 \| fine	60.129 \| fine	34.206 \| good	1.463 \| good	10.572 \| good	0.241 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	12.441 \| fine	55.904 \| fine	38.221 \| good	1.322 \| good	10.202 \| good	0.239 \| good
2026-10-24T18:00:00.000Z	56 \| moderate	12.473 \| fine	56.164 \| fine	43.216 \| good	1.26 \| good	9.724 \| good	0.234 \| good
2026-10-24T19:00:00.000Z	58 \| moderate	12.529 \| fine	56.154 \| fine	46.319 \| good	1.252 \| good	9.181 \| good	0.227 \| good
2026-10-24T20:00:00.000Z	60 \| moderate	13.722 \| fine	61.505 \| fine	48.607 \| good	1.233 \| good	9.523 \| good	0.225 \| good
2026-10-24T21:00:00.000Z	64 \| moderate	15.941 \| fine	71.297 \| fine	45.386 \| good	1.26 \| good	10.647 \| good	0.226 \| good

West Allis

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

0.26ppm

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 07:00:00 on 2026-10-22.

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 10:00:00 on 2026-10-21.

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

The current air quality in West Allis, Wisconsin is 62, 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 14.704 μg/m³.

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

The current PM₁₀ concentration at West Allis, Wisconsin is 37.71 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 0.362 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 0.88 ppb.

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

The current ozone (O₃) concentration at West Allis, Wisconsin is 43.279 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 4.307 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T22:00:00.000Z	39 \| good	7.328 \| good	29.807 \| good	41.727 \| good	0.702 \| good	2.304 \| good	0.28 \| good
2026-10-20T23:00:00.000Z	44 \| good	7.527 \| good	26.033 \| good	42.917 \| good	0.473 \| good	3.1 \| good	0.283 \| good
2026-10-21T00:00:00.000Z	39 \| good	6.122 \| good	18.778 \| good	42.404 \| good	0.34 \| good	6.353 \| good	0.291 \| good
2026-10-21T01:00:00.000Z	41 \| good	6.854 \| good	15.679 \| good	43.619 \| good	0.273 \| good	9.297 \| good	0.294 \| good
2026-10-21T02:00:00.000Z	38 \| good	7.196 \| good	18.624 \| good	40.006 \| good	0.204 \| good	10.694 \| good	0.298 \| good
2026-10-21T03:00:00.000Z	67 \| moderate	17.602 \| fine	77.496 \| fine	24.099 \| good	1.416 \| good	14.016 \| good	0.216 \| good
2026-10-21T04:00:00.000Z	52 \| moderate	10.205 \| good	33.763 \| good	24.707 \| good	0.51 \| good	20.017 \| good	0.451 \| good
2026-10-21T05:00:00.000Z	58 \| moderate	13.333 \| fine	25.53 \| good	24.125 \| good	1.056 \| good	19.407 \| good	0.371 \| good
2026-10-21T06:00:00.000Z	62 \| moderate	15.079 \| fine	29.654 \| good	24.104 \| good	0.753 \| good	19.969 \| good	0.368 \| good
2026-10-21T07:00:00.000Z	64 \| moderate	15.657 \| fine	35.95 \| good	14.325 \| good	0.683 \| good	19.427 \| good	0.372 \| good
2026-10-21T08:00:00.000Z	62 \| moderate	15.212 \| fine	23.976 \| good	11.039 \| good	0.629 \| good	15.064 \| good	0.29 \| good
2026-10-21T09:00:00.000Z	64 \| moderate	15.76 \| fine	22.602 \| good	5.179 \| good	0.624 \| good	15.036 \| good	0.286 \| good
2026-10-21T10:00:00.000Z	62 \| moderate	14.575 \| fine	30.621 \| good	11.812 \| good	0.847 \| good	18.097 \| good	0.372 \| good
2026-10-21T11:00:00.000Z	62 \| moderate	14.851 \| fine	31.583 \| good	8.909 \| good	1.005 \| good	20.13 \| good	0.536 \| good
2026-10-21T12:00:00.000Z	64 \| moderate	15.573 \| fine	31.888 \| good	7.176 \| good	1.004 \| good	21.291 \| good	0.539 \| good
2026-10-21T13:00:00.000Z	64 \| moderate	15.667 \| fine	37.541 \| good	6.665 \| good	1.02 \| good	20.391 \| good	0.539 \| good
2026-10-21T14:00:00.000Z	77 \| moderate	22.782 \| fine	38.533 \| good	9.55 \| good	1.209 \| good	22.594 \| good	0.555 \| good
2026-10-21T15:00:00.000Z	82 \| moderate	26.31 \| fine	70.861 \| fine	11.946 \| good	0.946 \| good	22.571 \| good	0.552 \| good
2026-10-21T16:00:00.000Z	79 \| moderate	24.04 \| fine	65.161 \| fine	17.118 \| good	1.36 \| good	22.119 \| good	0.451 \| good
2026-10-21T17:00:00.000Z	62 \| moderate	14.814 \| fine	41.823 \| good	23.637 \| good	1.246 \| good	22.313 \| good	0.364 \| good
2026-10-21T18:00:00.000Z	56 \| moderate	11.891 \| good	42.329 \| good	25.272 \| good	1.081 \| good	20.485 \| good	0.362 \| good
2026-10-21T19:00:00.000Z	58 \| moderate	12.532 \| fine	38.51 \| good	32.446 \| good	0.969 \| good	20.655 \| good	0.362 \| good
2026-10-21T20:00:00.000Z	44 \| good	8.407 \| good	27.933 \| good	43.774 \| good	0.962 \| good	15.382 \| good	0.362 \| good
2026-10-21T21:00:00.000Z	49 \| good	9.455 \| good	37.893 \| good	38.648 \| good	1.163 \| good	17.016 \| good	0.362 \| good
2026-10-21T22:00:00.000Z	44 \| good	8.226 \| good	30.883 \| good	33.166 \| good	0.817 \| good	16.007 \| good	0.362 \| good
2026-10-21T23:00:00.000Z	49 \| good	8.927 \| good	29.609 \| good	46.958 \| good	0.838 \| good	17.509 \| good	0.365 \| good
2026-10-22T00:00:00.000Z	52 \| moderate	9.957 \| good	34.222 \| good	37.172 \| good	0.576 \| good	27.788 \| good	0.453 \| good
2026-10-22T01:00:00.000Z	58 \| moderate	13.139 \| fine	44.184 \| good	38.035 \| good	0.456 \| good	27.711 \| good	0.462 \| good
2026-10-22T02:00:00.000Z	62 \| moderate	15.336 \| fine	42.921 \| good	33.543 \| good	0.369 \| good	32.727 \| good	0.541 \| good
2026-10-22T03:00:00.000Z	58 \| moderate	12.631 \| fine	57.226 \| fine	18.422 \| good	0.961 \| good	32.032 \| good	0.33 \| good
2026-10-22T04:00:00.000Z	69 \| moderate	19.086 \| fine	45.516 \| good	21.49 \| good	0.283 \| good	29.315 \| good	0.627 \| good
2026-10-22T05:00:00.000Z	73 \| moderate	21.147 \| fine	48.657 \| good	17.207 \| good	0.36 \| good	24.972 \| good	0.544 \| good
2026-10-22T06:00:00.000Z	73 \| moderate	20.935 \| fine	42.642 \| good	13.481 \| good	0.34 \| good	22.645 \| good	0.391 \| good
2026-10-22T07:00:00.000Z	73 \| moderate	20.744 \| fine	44.253 \| good	12.006 \| good	0.34 \| good	22.332 \| good	0.391 \| good
2026-10-22T08:00:00.000Z	67 \| moderate	18.435 \| fine	51.479 \| good	10.74 \| good	0.477 \| good	21.209 \| good	0.382 \| good
2026-10-22T09:00:00.000Z	64 \| moderate	16.472 \| fine	48.068 \| good	11.494 \| good	0.463 \| good	21.922 \| good	0.378 \| good
2026-10-22T10:00:00.000Z	64 \| moderate	16.15 \| fine	44.388 \| good	5.875 \| good	0.413 \| good	22.634 \| good	0.376 \| good
2026-10-22T11:00:00.000Z	62 \| moderate	15.23 \| fine	35.518 \| good	8.193 \| good	0.418 \| good	23.537 \| good	0.547 \| good
2026-10-22T12:00:00.000Z	62 \| moderate	15.254 \| fine	38.721 \| good	8.705 \| good	0.323 \| good	26.821 \| good	0.562 \| good
2026-10-22T13:00:00.000Z	64 \| moderate	15.705 \| fine	48.351 \| good	6.524 \| good	0.326 \| good	27.033 \| good	0.553 \| good
2026-10-22T14:00:00.000Z	64 \| moderate	15.597 \| fine	37.333 \| good	14.337 \| good	0.562 \| good	25.93 \| good	0.638 \| good
2026-10-22T15:00:00.000Z	64 \| moderate	16.268 \| fine	39.852 \| good	13.203 \| good	0.341 \| good	15.522 \| good	0.56 \| good
2026-10-22T16:00:00.000Z	66 \| moderate	16.811 \| fine	48.282 \| good	18.022 \| good	0.579 \| good	7.728 \| good	0.304 \| good
2026-10-22T17:00:00.000Z	64 \| moderate	16.002 \| fine	49.923 \| good	24.166 \| good	0.658 \| good	9.527 \| good	0.371 \| good
2026-10-22T18:00:00.000Z	62 \| moderate	15.206 \| fine	50.79 \| good	24.82 \| good	0.736 \| good	4.81 \| good	0.286 \| good
2026-10-22T19:00:00.000Z	60 \| moderate	14.272 \| fine	36.747 \| good	35.886 \| good	0.773 \| good	4.836 \| good	0.28 \| good
2026-10-22T20:00:00.000Z	62 \| moderate	14.825 \| fine	36.249 \| good	38.073 \| good	0.961 \| good	3.978 \| good	0.28 \| good
2026-10-22T21:00:00.000Z	62 \| moderate	14.704 \| fine	37.71 \| good	43.279 \| good	0.88 \| good	4.307 \| good	0.362 \| good
2026-10-22T21:00:00.000Z	62 \| moderate	14.704 \| fine	37.71 \| good	43.279 \| good	0.88 \| good	4.307 \| good	0.362 \| good
2026-10-22T22:00:00.000Z	67 \| moderate	17.744 \| fine	78.205 \| fine	36.601 \| good	0.662 \| good	13.102 \| good	0.273 \| good
2026-10-22T23:00:00.000Z	71 \| moderate	20.325 \| fine	89.087 \| fine	30.8 \| good	0.669 \| good	19.07 \| good	0.305 \| good
2026-10-23T00:00:00.000Z	69 \| moderate	19.421 \| fine	85.24 \| fine	29.181 \| good	0.707 \| good	23.241 \| good	0.327 \| good
2026-10-23T01:00:00.000Z	66 \| moderate	17.188 \| fine	76.254 \| fine	27.503 \| good	0.755 \| good	25.538 \| good	0.335 \| good
2026-10-23T02:00:00.000Z	64 \| moderate	16.461 \| fine	73.352 \| fine	25.722 \| good	0.794 \| good	26.623 \| good	0.335 \| good
2026-10-23T03:00:00.000Z	64 \| moderate	16.307 \| fine	72.572 \| fine	20.347 \| good	0.822 \| good	27.108 \| good	0.332 \| good
2026-10-23T04:00:00.000Z	64 \| moderate	16.325 \| fine	72.465 \| fine	20.299 \| good	0.836 \| good	27.412 \| good	0.33 \| good
2026-10-23T05:00:00.000Z	64 \| moderate	16.402 \| fine	72.726 \| fine	17.676 \| good	0.834 \| good	26.423 \| good	0.323 \| good
2026-10-23T06:00:00.000Z	64 \| moderate	16.262 \| fine	72.415 \| fine	21.156 \| good	0.839 \| good	25.162 \| good	0.314 \| good
2026-10-23T07:00:00.000Z	67 \| moderate	17.61 \| fine	77.673 \| fine	18.857 \| good	0.865 \| good	24.735 \| good	0.307 \| good
2026-10-23T08:00:00.000Z	67 \| moderate	17.564 \| fine	77.484 \| fine	16.49 \| good	0.917 \| good	25.018 \| good	0.303 \| good
2026-10-23T09:00:00.000Z	66 \| moderate	17.236 \| fine	76.464 \| fine	16.997 \| good	1.002 \| good	25.854 \| good	0.302 \| good
2026-10-23T10:00:00.000Z	66 \| moderate	17.041 \| fine	75.367 \| fine	17.357 \| good	1.133 \| good	27 \| good	0.303 \| good
2026-10-23T11:00:00.000Z	69 \| moderate	18.586 \| fine	81.383 \| fine	15.931 \| good	1.299 \| good	28.748 \| good	0.309 \| good
2026-10-23T12:00:00.000Z	73 \| moderate	20.9 \| fine	91.886 \| fine	12.533 \| good	1.511 \| good	31.613 \| good	0.322 \| good
2026-10-23T13:00:00.000Z	75 \| moderate	21.706 \| fine	95.067 \| fine	17.272 \| good	1.755 \| good	31.06 \| good	0.344 \| good
2026-10-23T14:00:00.000Z	77 \| moderate	22.631 \| fine	98.986 \| fine	28.662 \| good	2.09 \| good	28.414 \| good	0.356 \| good
2026-10-23T15:00:00.000Z	73 \| moderate	21.229 \| fine	93.014 \| fine	32.332 \| good	2.424 \| good	26.165 \| good	0.362 \| good
2026-10-23T16:00:00.000Z	71 \| moderate	20.435 \| fine	89.666 \| fine	33.757 \| good	2.779 \| good	24.002 \| good	0.353 \| good
2026-10-23T17:00:00.000Z	73 \| moderate	21.002 \| fine	92.251 \| fine	35.878 \| good	2.863 \| good	21.346 \| good	0.334 \| good
2026-10-23T18:00:00.000Z	73 \| moderate	21.075 \| fine	92.191 \| fine	42.217 \| good	2.654 \| good	18.391 \| good	0.31 \| good
2026-10-23T19:00:00.000Z	71 \| moderate	20.392 \| fine	90.188 \| fine	44.771 \| good	2.135 \| good	16.07 \| good	0.288 \| good
2026-10-23T20:00:00.000Z	71 \| moderate	20.249 \| fine	89.181 \| fine	47.436 \| good	1.834 \| good	15.242 \| good	0.275 \| good
2026-10-23T21:00:00.000Z	75 \| moderate	21.704 \| fine	94.898 \| fine	42.907 \| good	1.905 \| good	14.729 \| good	0.261 \| good
2026-10-23T22:00:00.000Z	75 \| moderate	21.881 \| fine	95.919 \| fine	34.417 \| good	1.937 \| good	17.7 \| good	0.268 \| good
2026-10-23T23:00:00.000Z	73 \| moderate	21.448 \| fine	94.48 \| fine	32.99 \| good	2.013 \| good	20.736 \| good	0.277 \| good
2026-10-24T00:00:00.000Z	71 \| moderate	19.904 \| fine	87.583 \| fine	36.434 \| good	2.082 \| good	20.756 \| good	0.278 \| good
2026-10-24T01:00:00.000Z	66 \| moderate	16.898 \| fine	75.225 \| fine	35.969 \| good	2.086 \| good	19.31 \| good	0.268 \| good
2026-10-24T02:00:00.000Z	64 \| moderate	16.171 \| fine	71.417 \| fine	35.908 \| good	2.015 \| good	17.621 \| good	0.258 \| good
2026-10-24T03:00:00.000Z	64 \| moderate	15.925 \| fine	70.566 \| fine	34.001 \| good	1.879 \| good	16.161 \| good	0.248 \| good
2026-10-24T04:00:00.000Z	66 \| moderate	16.85 \| fine	75.119 \| fine	30.451 \| good	1.719 \| good	14.258 \| good	0.237 \| good
2026-10-24T05:00:00.000Z	69 \| moderate	18.758 \| fine	83.191 \| fine	27.005 \| good	1.518 \| good	11.737 \| good	0.226 \| good
2026-10-24T06:00:00.000Z	71 \| moderate	20.409 \| fine	89.705 \| fine	26.826 \| good	1.36 \| good	10.165 \| good	0.22 \| good
2026-10-24T07:00:00.000Z	75 \| moderate	21.864 \| fine	95.921 \| fine	24.039 \| good	1.303 \| good	9.661 \| good	0.219 \| good
2026-10-24T08:00:00.000Z	77 \| moderate	22.628 \| fine	98.935 \| fine	19.734 \| good	1.34 \| good	9.633 \| good	0.221 \| good
2026-10-24T09:00:00.000Z	75 \| moderate	21.584 \| fine	94.938 \| fine	17.346 \| good	1.423 \| good	9.653 \| good	0.223 \| good
2026-10-24T10:00:00.000Z	69 \| moderate	19.107 \| fine	83.793 \| fine	17.783 \| good	1.506 \| good	9.678 \| good	0.226 \| good
2026-10-24T11:00:00.000Z	67 \| moderate	18.283 \| fine	81.241 \| fine	14.935 \| good	1.553 \| good	9.828 \| good	0.228 \| good
2026-10-24T12:00:00.000Z	66 \| moderate	17.275 \| fine	77.073 \| fine	17.053 \| good	1.56 \| good	10.827 \| good	0.232 \| good
2026-10-24T13:00:00.000Z	64 \| moderate	16.464 \| fine	73.346 \| fine	18.777 \| good	1.539 \| good	12.385 \| good	0.238 \| good
2026-10-24T14:00:00.000Z	66 \| moderate	17.087 \| fine	75.748 \| fine	26.362 \| good	1.502 \| good	12.094 \| good	0.244 \| good
2026-10-24T15:00:00.000Z	62 \| moderate	15.325 \| fine	68.522 \| fine	32.154 \| good	1.519 \| good	11.117 \| good	0.242 \| good
2026-10-24T16:00:00.000Z	58 \| moderate	13.294 \| fine	60.129 \| fine	34.206 \| good	1.463 \| good	10.572 \| good	0.241 \| good
2026-10-24T17:00:00.000Z	56 \| moderate	12.441 \| fine	55.904 \| fine	38.221 \| good	1.322 \| good	10.202 \| good	0.239 \| good
2026-10-24T18:00:00.000Z	56 \| moderate	12.473 \| fine	56.164 \| fine	43.216 \| good	1.26 \| good	9.724 \| good	0.234 \| good
2026-10-24T19:00:00.000Z	58 \| moderate	12.529 \| fine	56.154 \| fine	46.319 \| good	1.252 \| good	9.181 \| good	0.227 \| good
2026-10-24T20:00:00.000Z	60 \| moderate	13.722 \| fine	61.505 \| fine	48.607 \| good	1.233 \| good	9.523 \| good	0.225 \| good
2026-10-24T21:00:00.000Z	64 \| moderate	15.941 \| fine	71.297 \| fine	45.386 \| good	1.26 \| good	10.647 \| good	0.226 \| 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 carbon monoxide (CO) in West Allis, Wisconsin?

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

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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?

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