What is the current concentration of PM10 in Greendale, Wisconsin?

The current PM10 concentration at Greendale, Wisconsin is 35.206 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Greendale, Wisconsin is 0.766 ppb.

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

The current ozone (O3) concentration at Greendale, Wisconsin is 36.389 ppm.

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

The current nitrogen dioxide (NO2) concentration at Greendale, Wisconsin is 6.34 ppb.

Greendale, Wisconsin live air quality index now

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

The current PM2.5 concentration at Greendale, Wisconsin is 14.889 μg/m3.

Stay updated with real-time air quality in Greendale, 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

Greendale, Wisconsin

Last updated: ... (Local time)

Major air pollutants in Greendale, Wisconsin

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

16.31 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

35.98 μg/m³

155

255

425

605+

Ozone (O₃)

37.79 ppb

201

201+

Sulfur Dioxide (SO₂)

0.99 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

5.39 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.29 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Moderate

Greendale, Wisconsin

Get Live Pollen Counts

Greendale, Wisconsin

Scroll To Air Quality Map

Track live Greendale, Wisconsin air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	36 \| good	5.061 \| good	17.949 \| good	39.321 \| good	0.578 \| good	4.835 \| good	0.291 \| good
2026-10-20T22:00:00.000Z	38 \| good	5.27 \| good	17.731 \| good	40.978 \| good	0.72 \| good	2.64 \| good	0.291 \| good
2026-10-20T23:00:00.000Z	39 \| good	5.565 \| good	15.935 \| good	42.01 \| good	0.467 \| good	3.647 \| good	0.293 \| good
2026-10-21T00:00:00.000Z	39 \| good	5.406 \| good	14.711 \| good	41.889 \| good	0.356 \| good	7.474 \| good	0.296 \| good
2026-10-21T01:00:00.000Z	41 \| good	6.005 \| good	13.593 \| good	44.144 \| good	0.295 \| good	11.562 \| good	0.298 \| good
2026-10-21T02:00:00.000Z	36 \| good	6.345 \| good	15.281 \| good	39.469 \| good	0.236 \| good	13.02 \| good	0.299 \| good
2026-10-21T03:00:00.000Z	62 \| moderate	15.273 \| fine	68.502 \| fine	26.129 \| good	1.529 \| good	14.821 \| good	0.218 \| good
2026-10-21T04:00:00.000Z	52 \| moderate	9.698 \| good	22.471 \| good	23.414 \| good	0.518 \| good	25.171 \| good	0.479 \| good
2026-10-21T05:00:00.000Z	58 \| moderate	13.334 \| fine	21.641 \| good	23.35 \| good	1.09 \| good	22.087 \| good	0.388 \| good
2026-10-21T06:00:00.000Z	64 \| moderate	15.608 \| fine	24.054 \| good	25.117 \| good	0.866 \| good	21.935 \| good	0.387 \| good
2026-10-21T07:00:00.000Z	64 \| moderate	15.762 \| fine	26.197 \| good	15.277 \| good	0.769 \| good	21.52 \| good	0.388 \| good
2026-10-21T08:00:00.000Z	62 \| moderate	15.483 \| fine	21.238 \| good	12.236 \| good	0.642 \| good	16.454 \| good	0.296 \| good
2026-10-21T09:00:00.000Z	64 \| moderate	16.14 \| fine	21.075 \| good	4.441 \| good	0.638 \| good	16.407 \| good	0.294 \| good
2026-10-21T10:00:00.000Z	62 \| moderate	15.311 \| fine	23.833 \| good	11.081 \| good	0.837 \| good	21.412 \| good	0.388 \| good
2026-10-21T11:00:00.000Z	62 \| moderate	15.245 \| fine	24.753 \| good	9.188 \| good	0.983 \| good	25.879 \| good	0.573 \| good
2026-10-21T12:00:00.000Z	66 \| moderate	16.62 \| fine	27.331 \| good	6.735 \| good	0.993 \| good	27.84 \| good	0.574 \| good
2026-10-21T13:00:00.000Z	66 \| moderate	16.64 \| fine	28.816 \| good	7.016 \| good	1.01 \| good	27.384 \| good	0.574 \| good
2026-10-21T14:00:00.000Z	77 \| moderate	23.032 \| fine	36.026 \| good	10.036 \| good	1.187 \| good	26.938 \| good	0.581 \| good
2026-10-21T15:00:00.000Z	82 \| moderate	25.511 \| fine	49.829 \| good	11.991 \| good	0.993 \| good	24.68 \| good	0.58 \| good
2026-10-21T16:00:00.000Z	77 \| moderate	22.945 \| fine	49.451 \| good	16.46 \| good	1.401 \| good	24.419 \| good	0.479 \| good
2026-10-21T17:00:00.000Z	64 \| moderate	15.582 \| fine	40.725 \| good	22.803 \| good	1.294 \| good	24.827 \| good	0.385 \| good
2026-10-21T18:00:00.000Z	56 \| moderate	11.733 \| good	37.065 \| good	25.117 \| good	1.133 \| good	22.381 \| good	0.384 \| good
2026-10-21T19:00:00.000Z	56 \| moderate	11.95 \| good	35.733 \| good	33.786 \| good	0.989 \| good	22.378 \| good	0.384 \| good
2026-10-21T20:00:00.000Z	44 \| good	7.679 \| good	27.473 \| good	44.835 \| good	0.983 \| good	18.158 \| good	0.384 \| good
2026-10-21T21:00:00.000Z	44 \| good	7.853 \| good	32.137 \| good	41.592 \| good	1.185 \| good	18.649 \| good	0.384 \| good
2026-10-21T22:00:00.000Z	44 \| good	8.3 \| good	30.62 \| good	31.483 \| good	0.852 \| good	18.221 \| good	0.384 \| good
2026-10-21T23:00:00.000Z	49 \| good	8.947 \| good	30.3 \| good	46.38 \| good	0.88 \| good	19.075 \| good	0.385 \| good
2026-10-22T00:00:00.000Z	52 \| moderate	10.288 \| good	34.061 \| good	32.908 \| good	0.604 \| good	27.27 \| good	0.48 \| good
2026-10-22T01:00:00.000Z	58 \| moderate	13.415 \| fine	39.217 \| good	38.987 \| good	0.474 \| good	27.853 \| good	0.484 \| good
2026-10-22T02:00:00.000Z	64 \| moderate	16.337 \| fine	43.117 \| good	34.994 \| good	0.382 \| good	39.853 \| good	0.575 \| good
2026-10-22T03:00:00.000Z	54 \| moderate	11.282 \| good	50.471 \| good	18.233 \| good	1.042 \| good	33.871 \| good	0.335 \| good
2026-10-22T04:00:00.000Z	69 \| moderate	19.194 \| fine	43.808 \| good	20.354 \| good	0.3 \| good	34.713 \| good	0.669 \| good
2026-10-22T05:00:00.000Z	71 \| moderate	19.915 \| fine	44.3 \| good	17.368 \| good	0.372 \| good	27.994 \| good	0.576 \| good
2026-10-22T06:00:00.000Z	71 \| moderate	19.76 \| fine	40.859 \| good	13.283 \| good	0.351 \| good	22.679 \| good	0.396 \| good
2026-10-22T07:00:00.000Z	71 \| moderate	19.769 \| fine	41.34 \| good	11.789 \| good	0.35 \| good	22.564 \| good	0.396 \| good
2026-10-22T08:00:00.000Z	66 \| moderate	17.407 \| fine	41.536 \| good	10.668 \| good	0.476 \| good	23.954 \| good	0.392 \| good
2026-10-22T09:00:00.000Z	62 \| moderate	15.224 \| fine	37.553 \| good	11.376 \| good	0.455 \| good	24.079 \| good	0.391 \| good
2026-10-22T10:00:00.000Z	60 \| moderate	14.437 \| fine	35.059 \| good	6.171 \| good	0.418 \| good	25.091 \| good	0.39 \| good
2026-10-22T11:00:00.000Z	60 \| moderate	14.013 \| fine	34.052 \| good	10.984 \| good	0.422 \| good	27.075 \| good	0.578 \| good
2026-10-22T12:00:00.000Z	60 \| moderate	14.094 \| fine	36.245 \| good	5.882 \| good	0.326 \| good	32.138 \| good	0.585 \| good
2026-10-22T13:00:00.000Z	60 \| moderate	14.206 \| fine	39.43 \| good	4.736 \| good	0.33 \| good	32.368 \| good	0.581 \| good
2026-10-22T14:00:00.000Z	60 \| moderate	14.29 \| fine	35.7 \| good	15.664 \| good	0.557 \| good	31.714 \| good	0.674 \| good
2026-10-22T15:00:00.000Z	62 \| moderate	15.132 \| fine	40.206 \| good	13.35 \| good	0.35 \| good	21.812 \| good	0.583 \| good
2026-10-22T16:00:00.000Z	64 \| moderate	15.511 \| fine	41.095 \| good	16.932 \| good	0.579 \| good	9.363 \| good	0.302 \| good
2026-10-22T17:00:00.000Z	66 \| moderate	16.761 \| fine	42.763 \| good	24.156 \| good	0.651 \| good	13.013 \| good	0.388 \| good
2026-10-22T18:00:00.000Z	64 \| moderate	15.74 \| fine	40.866 \| good	25.005 \| good	0.724 \| good	5.745 \| good	0.294 \| good
2026-10-22T19:00:00.000Z	62 \| moderate	14.819 \| fine	35.448 \| good	36.332 \| good	0.77 \| good	6.186 \| good	0.291 \| good
2026-10-22T20:00:00.000Z	64 \| moderate	16.142 \| fine	36.119 \| good	37.815 \| good	0.987 \| good	5.249 \| good	0.291 \| good
2026-10-22T20:00:00.000Z	64 \| moderate	16.314 \| fine	35.985 \| good	37.792 \| good	0.988 \| good	5.393 \| good	0.293 \| good
2026-10-22T20:00:00.000Z	58 \| moderate	13.056 \| fine	59.135 \| fine	42.873 \| good	0.652 \| good	9.373 \| good	0.255 \| good
2026-10-22T21:00:00.000Z	62 \| moderate	14.743 \| fine	65.839 \| fine	44.281 \| good	0.663 \| good	10.189 \| good	0.258 \| good
2026-10-22T22:00:00.000Z	64 \| moderate	16.018 \| fine	71.262 \| fine	37.859 \| good	0.652 \| good	13.935 \| good	0.28 \| good
2026-10-22T23:00:00.000Z	67 \| moderate	18.15 \| fine	80.572 \| fine	31.879 \| good	0.646 \| good	20.47 \| good	0.314 \| good
2026-10-23T00:00:00.000Z	66 \| moderate	17.082 \| fine	76.004 \| fine	30.943 \| good	0.679 \| good	24.891 \| good	0.337 \| good
2026-10-23T01:00:00.000Z	62 \| moderate	14.858 \| fine	66.768 \| fine	30.263 \| good	0.726 \| good	27.014 \| good	0.343 \| good
2026-10-23T02:00:00.000Z	62 \| moderate	14.772 \| fine	65.777 \| fine	28.95 \| good	0.77 \| good	27.814 \| good	0.341 \| good
2026-10-23T03:00:00.000Z	62 \| moderate	14.916 \| fine	66.665 \| fine	23.025 \| good	0.805 \| good	28.154 \| good	0.336 \| good
2026-10-23T04:00:00.000Z	62 \| moderate	14.74 \| fine	66.008 \| fine	21.831 \| good	0.83 \| good	28.54 \| good	0.333 \| good
2026-10-23T05:00:00.000Z	62 \| moderate	14.974 \| fine	66.707 \| fine	19.385 \| good	0.841 \| good	27.539 \| good	0.327 \| good
2026-10-23T06:00:00.000Z	62 \| moderate	14.555 \| fine	64.819 \| fine	22.14 \| good	0.865 \| good	26.546 \| good	0.319 \| good
2026-10-23T07:00:00.000Z	64 \| moderate	16.389 \| fine	72.618 \| fine	20.418 \| good	0.912 \| good	26.802 \| good	0.313 \| good
2026-10-23T08:00:00.000Z	66 \| moderate	16.543 \| fine	73.104 \| fine	18.394 \| good	0.986 \| good	27.904 \| good	0.312 \| good
2026-10-23T09:00:00.000Z	64 \| moderate	16.13 \| fine	72.014 \| fine	19.04 \| good	1.096 \| good	29.564 \| good	0.313 \| good
2026-10-23T10:00:00.000Z	62 \| moderate	15.202 \| fine	67.901 \| fine	20.243 \| good	1.259 \| good	31.272 \| good	0.316 \| good
2026-10-23T11:00:00.000Z	66 \| moderate	16.546 \| fine	73.079 \| fine	19.081 \| good	1.452 \| good	33.407 \| good	0.323 \| good
2026-10-23T12:00:00.000Z	67 \| moderate	18.343 \| fine	81.104 \| fine	16.822 \| good	1.687 \| good	36.192 \| good	0.338 \| good
2026-10-23T13:00:00.000Z	71 \| moderate	19.866 \| fine	87.19 \| fine	20.034 \| good	1.943 \| good	34.227 \| good	0.361 \| good
2026-10-23T14:00:00.000Z	75 \| moderate	22.443 \| fine	98.456 \| fine	28.599 \| good	2.329 \| good	30.481 \| good	0.37 \| good
2026-10-23T15:00:00.000Z	73 \| moderate	21.079 \| fine	92.839 \| fine	32.058 \| good	2.619 \| good	27.508 \| good	0.374 \| good
2026-10-23T16:00:00.000Z	69 \| moderate	19.497 \| fine	86.073 \| fine	34.052 \| good	2.947 \| good	24.911 \| good	0.359 \| good
2026-10-23T17:00:00.000Z	71 \| moderate	19.671 \| fine	86.774 \| fine	36.942 \| good	2.943 \| good	21.918 \| good	0.336 \| good
2026-10-23T18:00:00.000Z	71 \| moderate	19.582 \| fine	85.822 \| fine	42.408 \| good	2.698 \| good	18.719 \| good	0.311 \| good
2026-10-23T19:00:00.000Z	69 \| moderate	18.863 \| fine	83.559 \| fine	44.732 \| good	2.216 \| good	16.54 \| good	0.292 \| good
2026-10-23T20:00:00.000Z	67 \| moderate	18.33 \| fine	81.055 \| fine	46.513 \| good	1.955 \| good	15.664 \| good	0.278 \| good
2026-10-23T21:00:00.000Z	69 \| moderate	19.277 \| fine	85.158 \| fine	42.299 \| good	1.952 \| good	15.328 \| good	0.265 \| good
2026-10-23T22:00:00.000Z	69 \| moderate	19.233 \| fine	85.158 \| fine	36.108 \| good	1.952 \| good	18.304 \| good	0.272 \| good
2026-10-23T23:00:00.000Z	69 \| moderate	19.094 \| fine	83.989 \| fine	34.936 \| good	2.025 \| good	21.139 \| good	0.279 \| good
2026-10-24T00:00:00.000Z	66 \| moderate	17.336 \| fine	76.926 \| fine	37.976 \| good	2.069 \| good	20.861 \| good	0.278 \| good
2026-10-24T01:00:00.000Z	62 \| moderate	14.531 \| fine	64.801 \| fine	36.955 \| good	2.046 \| good	19.288 \| good	0.267 \| good
2026-10-24T02:00:00.000Z	60 \| moderate	14.104 \| fine	62.932 \| fine	36.618 \| good	1.948 \| good	17.632 \| good	0.256 \| good
2026-10-24T03:00:00.000Z	62 \| moderate	14.763 \| fine	65.672 \| fine	34.351 \| good	1.793 \| good	16.294 \| good	0.246 \| good
2026-10-24T04:00:00.000Z	66 \| moderate	16.578 \| fine	73.605 \| fine	29.579 \| good	1.623 \| good	14.596 \| good	0.236 \| good
2026-10-24T05:00:00.000Z	69 \| moderate	18.521 \| fine	81.736 \| fine	26.606 \| good	1.439 \| good	12.353 \| good	0.227 \| good
2026-10-24T06:00:00.000Z	71 \| moderate	19.603 \| fine	86.372 \| fine	26.22 \| good	1.331 \| good	11.13 \| good	0.223 \| good
2026-10-24T07:00:00.000Z	73 \| moderate	20.905 \| fine	91.684 \| fine	23.37 \| good	1.337 \| good	10.802 \| good	0.223 \| good
2026-10-24T08:00:00.000Z	75 \| moderate	21.949 \| fine	96.442 \| fine	19.121 \| good	1.409 \| good	10.688 \| good	0.225 \| good
2026-10-24T09:00:00.000Z	73 \| moderate	21.024 \| fine	92.481 \| fine	16.658 \| good	1.484 \| good	10.44 \| good	0.226 \| good
2026-10-24T10:00:00.000Z	67 \| moderate	18.439 \| fine	81.454 \| fine	17.193 \| good	1.533 \| good	10.147 \| good	0.227 \| good
2026-10-24T11:00:00.000Z	66 \| moderate	17.452 \| fine	77.167 \| fine	14.711 \| good	1.55 \| good	10.104 \| good	0.229 \| good
2026-10-24T12:00:00.000Z	66 \| moderate	16.681 \| fine	74.197 \| fine	15.873 \| good	1.551 \| good	11.065 \| good	0.232 \| good
2026-10-24T13:00:00.000Z	62 \| moderate	15.254 \| fine	68.126 \| fine	18.18 \| good	1.54 \| good	12.622 \| good	0.238 \| good
2026-10-24T14:00:00.000Z	64 \| moderate	16.028 \| fine	71.226 \| fine	26.209 \| good	1.52 \| good	12.512 \| good	0.245 \| good
2026-10-24T15:00:00.000Z	60 \| moderate	14.352 \| fine	64.575 \| fine	32.527 \| good	1.549 \| good	11.671 \| good	0.244 \| good
2026-10-24T16:00:00.000Z	56 \| moderate	12.213 \| fine	54.61 \| good	34.793 \| good	1.496 \| good	11.25 \| good	0.244 \| good
2026-10-24T17:00:00.000Z	54 \| moderate	11.36 \| good	50.693 \| good	39.301 \| good	1.351 \| good	10.949 \| good	0.242 \| good
2026-10-24T18:00:00.000Z	54 \| moderate	11.058 \| good	49.39 \| good	44.014 \| good	1.328 \| good	10.307 \| good	0.237 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	11.347 \| good	50.264 \| good	47.015 \| good	1.291 \| good	9.896 \| good	0.231 \| good

Greendale

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Greendale, Wisconsin air quality map: Track AQI near you

0.29ppm

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 Greendale, Wisconsin updated?

The air quality for Greendale, Wisconsin is updated every hour.

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

The worst air quality in Greendale, Wisconsin in the last 24 hours was observed at 07:00:00 on 2026-10-22.

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

In the last 24 hrs, the best air quality in Greendale, Wisconsin was observed at 10:00:00 on 2026-10-21.

What is the current air quality in Greendale, Wisconsin?

The current air quality in Greendale, Wisconsin is 62, categorized as Moderate based on real-time data.

What pollutant is the most common in Greendale, Wisconsin?

The most common pollutant in Greendale, Wisconsin is PM2.5.

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

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

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

The current PM_2.5 concentration at Greendale, Wisconsin is 14.889 μg/m³.

What is the current concentration of PM₁₀ in Greendale, Wisconsin?

The current PM₁₀ concentration at Greendale, Wisconsin is 35.206 μg/m³.

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

The current carbon monoxide (CO) concentration at Greendale, Wisconsin is 0.293 ppm.

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

The current sulfur dioxide (SO₂) concentration at Greendale, Wisconsin is 0.766 ppb.

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

The current ozone (O₃) concentration at Greendale, Wisconsin is 36.389 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Greendale, Wisconsin is 6.34 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-20T21:00:00.000Z	36 \| good	5.061 \| good	17.949 \| good	39.321 \| good	0.578 \| good	4.835 \| good	0.291 \| good
2026-10-20T22:00:00.000Z	38 \| good	5.27 \| good	17.731 \| good	40.978 \| good	0.72 \| good	2.64 \| good	0.291 \| good
2026-10-20T23:00:00.000Z	39 \| good	5.565 \| good	15.935 \| good	42.01 \| good	0.467 \| good	3.647 \| good	0.293 \| good
2026-10-21T00:00:00.000Z	39 \| good	5.406 \| good	14.711 \| good	41.889 \| good	0.356 \| good	7.474 \| good	0.296 \| good
2026-10-21T01:00:00.000Z	41 \| good	6.005 \| good	13.593 \| good	44.144 \| good	0.295 \| good	11.562 \| good	0.298 \| good
2026-10-21T02:00:00.000Z	36 \| good	6.345 \| good	15.281 \| good	39.469 \| good	0.236 \| good	13.02 \| good	0.299 \| good
2026-10-21T03:00:00.000Z	62 \| moderate	15.273 \| fine	68.502 \| fine	26.129 \| good	1.529 \| good	14.821 \| good	0.218 \| good
2026-10-21T04:00:00.000Z	52 \| moderate	9.698 \| good	22.471 \| good	23.414 \| good	0.518 \| good	25.171 \| good	0.479 \| good
2026-10-21T05:00:00.000Z	58 \| moderate	13.334 \| fine	21.641 \| good	23.35 \| good	1.09 \| good	22.087 \| good	0.388 \| good
2026-10-21T06:00:00.000Z	64 \| moderate	15.608 \| fine	24.054 \| good	25.117 \| good	0.866 \| good	21.935 \| good	0.387 \| good
2026-10-21T07:00:00.000Z	64 \| moderate	15.762 \| fine	26.197 \| good	15.277 \| good	0.769 \| good	21.52 \| good	0.388 \| good
2026-10-21T08:00:00.000Z	62 \| moderate	15.483 \| fine	21.238 \| good	12.236 \| good	0.642 \| good	16.454 \| good	0.296 \| good
2026-10-21T09:00:00.000Z	64 \| moderate	16.14 \| fine	21.075 \| good	4.441 \| good	0.638 \| good	16.407 \| good	0.294 \| good
2026-10-21T10:00:00.000Z	62 \| moderate	15.311 \| fine	23.833 \| good	11.081 \| good	0.837 \| good	21.412 \| good	0.388 \| good
2026-10-21T11:00:00.000Z	62 \| moderate	15.245 \| fine	24.753 \| good	9.188 \| good	0.983 \| good	25.879 \| good	0.573 \| good
2026-10-21T12:00:00.000Z	66 \| moderate	16.62 \| fine	27.331 \| good	6.735 \| good	0.993 \| good	27.84 \| good	0.574 \| good
2026-10-21T13:00:00.000Z	66 \| moderate	16.64 \| fine	28.816 \| good	7.016 \| good	1.01 \| good	27.384 \| good	0.574 \| good
2026-10-21T14:00:00.000Z	77 \| moderate	23.032 \| fine	36.026 \| good	10.036 \| good	1.187 \| good	26.938 \| good	0.581 \| good
2026-10-21T15:00:00.000Z	82 \| moderate	25.511 \| fine	49.829 \| good	11.991 \| good	0.993 \| good	24.68 \| good	0.58 \| good
2026-10-21T16:00:00.000Z	77 \| moderate	22.945 \| fine	49.451 \| good	16.46 \| good	1.401 \| good	24.419 \| good	0.479 \| good
2026-10-21T17:00:00.000Z	64 \| moderate	15.582 \| fine	40.725 \| good	22.803 \| good	1.294 \| good	24.827 \| good	0.385 \| good
2026-10-21T18:00:00.000Z	56 \| moderate	11.733 \| good	37.065 \| good	25.117 \| good	1.133 \| good	22.381 \| good	0.384 \| good
2026-10-21T19:00:00.000Z	56 \| moderate	11.95 \| good	35.733 \| good	33.786 \| good	0.989 \| good	22.378 \| good	0.384 \| good
2026-10-21T20:00:00.000Z	44 \| good	7.679 \| good	27.473 \| good	44.835 \| good	0.983 \| good	18.158 \| good	0.384 \| good
2026-10-21T21:00:00.000Z	44 \| good	7.853 \| good	32.137 \| good	41.592 \| good	1.185 \| good	18.649 \| good	0.384 \| good
2026-10-21T22:00:00.000Z	44 \| good	8.3 \| good	30.62 \| good	31.483 \| good	0.852 \| good	18.221 \| good	0.384 \| good
2026-10-21T23:00:00.000Z	49 \| good	8.947 \| good	30.3 \| good	46.38 \| good	0.88 \| good	19.075 \| good	0.385 \| good
2026-10-22T00:00:00.000Z	52 \| moderate	10.288 \| good	34.061 \| good	32.908 \| good	0.604 \| good	27.27 \| good	0.48 \| good
2026-10-22T01:00:00.000Z	58 \| moderate	13.415 \| fine	39.217 \| good	38.987 \| good	0.474 \| good	27.853 \| good	0.484 \| good
2026-10-22T02:00:00.000Z	64 \| moderate	16.337 \| fine	43.117 \| good	34.994 \| good	0.382 \| good	39.853 \| good	0.575 \| good
2026-10-22T03:00:00.000Z	54 \| moderate	11.282 \| good	50.471 \| good	18.233 \| good	1.042 \| good	33.871 \| good	0.335 \| good
2026-10-22T04:00:00.000Z	69 \| moderate	19.194 \| fine	43.808 \| good	20.354 \| good	0.3 \| good	34.713 \| good	0.669 \| good
2026-10-22T05:00:00.000Z	71 \| moderate	19.915 \| fine	44.3 \| good	17.368 \| good	0.372 \| good	27.994 \| good	0.576 \| good
2026-10-22T06:00:00.000Z	71 \| moderate	19.76 \| fine	40.859 \| good	13.283 \| good	0.351 \| good	22.679 \| good	0.396 \| good
2026-10-22T07:00:00.000Z	71 \| moderate	19.769 \| fine	41.34 \| good	11.789 \| good	0.35 \| good	22.564 \| good	0.396 \| good
2026-10-22T08:00:00.000Z	66 \| moderate	17.407 \| fine	41.536 \| good	10.668 \| good	0.476 \| good	23.954 \| good	0.392 \| good
2026-10-22T09:00:00.000Z	62 \| moderate	15.224 \| fine	37.553 \| good	11.376 \| good	0.455 \| good	24.079 \| good	0.391 \| good
2026-10-22T10:00:00.000Z	60 \| moderate	14.437 \| fine	35.059 \| good	6.171 \| good	0.418 \| good	25.091 \| good	0.39 \| good
2026-10-22T11:00:00.000Z	60 \| moderate	14.013 \| fine	34.052 \| good	10.984 \| good	0.422 \| good	27.075 \| good	0.578 \| good
2026-10-22T12:00:00.000Z	60 \| moderate	14.094 \| fine	36.245 \| good	5.882 \| good	0.326 \| good	32.138 \| good	0.585 \| good
2026-10-22T13:00:00.000Z	60 \| moderate	14.206 \| fine	39.43 \| good	4.736 \| good	0.33 \| good	32.368 \| good	0.581 \| good
2026-10-22T14:00:00.000Z	60 \| moderate	14.29 \| fine	35.7 \| good	15.664 \| good	0.557 \| good	31.714 \| good	0.674 \| good
2026-10-22T15:00:00.000Z	62 \| moderate	15.132 \| fine	40.206 \| good	13.35 \| good	0.35 \| good	21.812 \| good	0.583 \| good
2026-10-22T16:00:00.000Z	64 \| moderate	15.511 \| fine	41.095 \| good	16.932 \| good	0.579 \| good	9.363 \| good	0.302 \| good
2026-10-22T17:00:00.000Z	66 \| moderate	16.761 \| fine	42.763 \| good	24.156 \| good	0.651 \| good	13.013 \| good	0.388 \| good
2026-10-22T18:00:00.000Z	64 \| moderate	15.74 \| fine	40.866 \| good	25.005 \| good	0.724 \| good	5.745 \| good	0.294 \| good
2026-10-22T19:00:00.000Z	62 \| moderate	14.819 \| fine	35.448 \| good	36.332 \| good	0.77 \| good	6.186 \| good	0.291 \| good
2026-10-22T20:00:00.000Z	64 \| moderate	16.142 \| fine	36.119 \| good	37.815 \| good	0.987 \| good	5.249 \| good	0.291 \| good
2026-10-22T20:00:00.000Z	64 \| moderate	16.314 \| fine	35.985 \| good	37.792 \| good	0.988 \| good	5.393 \| good	0.293 \| good
2026-10-22T20:00:00.000Z	58 \| moderate	13.056 \| fine	59.135 \| fine	42.873 \| good	0.652 \| good	9.373 \| good	0.255 \| good
2026-10-22T21:00:00.000Z	62 \| moderate	14.743 \| fine	65.839 \| fine	44.281 \| good	0.663 \| good	10.189 \| good	0.258 \| good
2026-10-22T22:00:00.000Z	64 \| moderate	16.018 \| fine	71.262 \| fine	37.859 \| good	0.652 \| good	13.935 \| good	0.28 \| good
2026-10-22T23:00:00.000Z	67 \| moderate	18.15 \| fine	80.572 \| fine	31.879 \| good	0.646 \| good	20.47 \| good	0.314 \| good
2026-10-23T00:00:00.000Z	66 \| moderate	17.082 \| fine	76.004 \| fine	30.943 \| good	0.679 \| good	24.891 \| good	0.337 \| good
2026-10-23T01:00:00.000Z	62 \| moderate	14.858 \| fine	66.768 \| fine	30.263 \| good	0.726 \| good	27.014 \| good	0.343 \| good
2026-10-23T02:00:00.000Z	62 \| moderate	14.772 \| fine	65.777 \| fine	28.95 \| good	0.77 \| good	27.814 \| good	0.341 \| good
2026-10-23T03:00:00.000Z	62 \| moderate	14.916 \| fine	66.665 \| fine	23.025 \| good	0.805 \| good	28.154 \| good	0.336 \| good
2026-10-23T04:00:00.000Z	62 \| moderate	14.74 \| fine	66.008 \| fine	21.831 \| good	0.83 \| good	28.54 \| good	0.333 \| good
2026-10-23T05:00:00.000Z	62 \| moderate	14.974 \| fine	66.707 \| fine	19.385 \| good	0.841 \| good	27.539 \| good	0.327 \| good
2026-10-23T06:00:00.000Z	62 \| moderate	14.555 \| fine	64.819 \| fine	22.14 \| good	0.865 \| good	26.546 \| good	0.319 \| good
2026-10-23T07:00:00.000Z	64 \| moderate	16.389 \| fine	72.618 \| fine	20.418 \| good	0.912 \| good	26.802 \| good	0.313 \| good
2026-10-23T08:00:00.000Z	66 \| moderate	16.543 \| fine	73.104 \| fine	18.394 \| good	0.986 \| good	27.904 \| good	0.312 \| good
2026-10-23T09:00:00.000Z	64 \| moderate	16.13 \| fine	72.014 \| fine	19.04 \| good	1.096 \| good	29.564 \| good	0.313 \| good
2026-10-23T10:00:00.000Z	62 \| moderate	15.202 \| fine	67.901 \| fine	20.243 \| good	1.259 \| good	31.272 \| good	0.316 \| good
2026-10-23T11:00:00.000Z	66 \| moderate	16.546 \| fine	73.079 \| fine	19.081 \| good	1.452 \| good	33.407 \| good	0.323 \| good
2026-10-23T12:00:00.000Z	67 \| moderate	18.343 \| fine	81.104 \| fine	16.822 \| good	1.687 \| good	36.192 \| good	0.338 \| good
2026-10-23T13:00:00.000Z	71 \| moderate	19.866 \| fine	87.19 \| fine	20.034 \| good	1.943 \| good	34.227 \| good	0.361 \| good
2026-10-23T14:00:00.000Z	75 \| moderate	22.443 \| fine	98.456 \| fine	28.599 \| good	2.329 \| good	30.481 \| good	0.37 \| good
2026-10-23T15:00:00.000Z	73 \| moderate	21.079 \| fine	92.839 \| fine	32.058 \| good	2.619 \| good	27.508 \| good	0.374 \| good
2026-10-23T16:00:00.000Z	69 \| moderate	19.497 \| fine	86.073 \| fine	34.052 \| good	2.947 \| good	24.911 \| good	0.359 \| good
2026-10-23T17:00:00.000Z	71 \| moderate	19.671 \| fine	86.774 \| fine	36.942 \| good	2.943 \| good	21.918 \| good	0.336 \| good
2026-10-23T18:00:00.000Z	71 \| moderate	19.582 \| fine	85.822 \| fine	42.408 \| good	2.698 \| good	18.719 \| good	0.311 \| good
2026-10-23T19:00:00.000Z	69 \| moderate	18.863 \| fine	83.559 \| fine	44.732 \| good	2.216 \| good	16.54 \| good	0.292 \| good
2026-10-23T20:00:00.000Z	67 \| moderate	18.33 \| fine	81.055 \| fine	46.513 \| good	1.955 \| good	15.664 \| good	0.278 \| good
2026-10-23T21:00:00.000Z	69 \| moderate	19.277 \| fine	85.158 \| fine	42.299 \| good	1.952 \| good	15.328 \| good	0.265 \| good
2026-10-23T22:00:00.000Z	69 \| moderate	19.233 \| fine	85.158 \| fine	36.108 \| good	1.952 \| good	18.304 \| good	0.272 \| good
2026-10-23T23:00:00.000Z	69 \| moderate	19.094 \| fine	83.989 \| fine	34.936 \| good	2.025 \| good	21.139 \| good	0.279 \| good
2026-10-24T00:00:00.000Z	66 \| moderate	17.336 \| fine	76.926 \| fine	37.976 \| good	2.069 \| good	20.861 \| good	0.278 \| good
2026-10-24T01:00:00.000Z	62 \| moderate	14.531 \| fine	64.801 \| fine	36.955 \| good	2.046 \| good	19.288 \| good	0.267 \| good
2026-10-24T02:00:00.000Z	60 \| moderate	14.104 \| fine	62.932 \| fine	36.618 \| good	1.948 \| good	17.632 \| good	0.256 \| good
2026-10-24T03:00:00.000Z	62 \| moderate	14.763 \| fine	65.672 \| fine	34.351 \| good	1.793 \| good	16.294 \| good	0.246 \| good
2026-10-24T04:00:00.000Z	66 \| moderate	16.578 \| fine	73.605 \| fine	29.579 \| good	1.623 \| good	14.596 \| good	0.236 \| good
2026-10-24T05:00:00.000Z	69 \| moderate	18.521 \| fine	81.736 \| fine	26.606 \| good	1.439 \| good	12.353 \| good	0.227 \| good
2026-10-24T06:00:00.000Z	71 \| moderate	19.603 \| fine	86.372 \| fine	26.22 \| good	1.331 \| good	11.13 \| good	0.223 \| good
2026-10-24T07:00:00.000Z	73 \| moderate	20.905 \| fine	91.684 \| fine	23.37 \| good	1.337 \| good	10.802 \| good	0.223 \| good
2026-10-24T08:00:00.000Z	75 \| moderate	21.949 \| fine	96.442 \| fine	19.121 \| good	1.409 \| good	10.688 \| good	0.225 \| good
2026-10-24T09:00:00.000Z	73 \| moderate	21.024 \| fine	92.481 \| fine	16.658 \| good	1.484 \| good	10.44 \| good	0.226 \| good
2026-10-24T10:00:00.000Z	67 \| moderate	18.439 \| fine	81.454 \| fine	17.193 \| good	1.533 \| good	10.147 \| good	0.227 \| good
2026-10-24T11:00:00.000Z	66 \| moderate	17.452 \| fine	77.167 \| fine	14.711 \| good	1.55 \| good	10.104 \| good	0.229 \| good
2026-10-24T12:00:00.000Z	66 \| moderate	16.681 \| fine	74.197 \| fine	15.873 \| good	1.551 \| good	11.065 \| good	0.232 \| good
2026-10-24T13:00:00.000Z	62 \| moderate	15.254 \| fine	68.126 \| fine	18.18 \| good	1.54 \| good	12.622 \| good	0.238 \| good
2026-10-24T14:00:00.000Z	64 \| moderate	16.028 \| fine	71.226 \| fine	26.209 \| good	1.52 \| good	12.512 \| good	0.245 \| good
2026-10-24T15:00:00.000Z	60 \| moderate	14.352 \| fine	64.575 \| fine	32.527 \| good	1.549 \| good	11.671 \| good	0.244 \| good
2026-10-24T16:00:00.000Z	56 \| moderate	12.213 \| fine	54.61 \| good	34.793 \| good	1.496 \| good	11.25 \| good	0.244 \| good
2026-10-24T17:00:00.000Z	54 \| moderate	11.36 \| good	50.693 \| good	39.301 \| good	1.351 \| good	10.949 \| good	0.242 \| good
2026-10-24T18:00:00.000Z	54 \| moderate	11.058 \| good	49.39 \| good	44.014 \| good	1.328 \| good	10.307 \| good	0.237 \| good
2026-10-24T19:00:00.000Z	54 \| moderate	11.347 \| good	50.264 \| good	47.015 \| good	1.291 \| good	9.896 \| good	0.231 \| good

Greendale, Wisconsin live air quality index now

Major air pollutants in Greendale, Wisconsin

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Greendale, Wisconsin air quality map: Track AQI near you

Air quality in nearby cities

Greenfield, Wisconsin

Franklin, Wisconsin

West Allis, Wisconsin

New Berlin, Wisconsin

Cudahy, Wisconsin

South Milwaukee, Wisconsin

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Frequently asked questions

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What is the current concentration of PM2.5 in Greendale, Wisconsin?

What is the current concentration of PM10 in Greendale, Wisconsin?

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

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

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

What is the current concentration of PM₁₀ in Greendale, Wisconsin?

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