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

The current PM10 concentration at Greendale, Wisconsin is 25.768 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Greendale, Wisconsin is 0.646 ppb.

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

The current ozone (O3) concentration at Greendale, Wisconsin is 37.222 ppm.

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

The current nitrogen dioxide (NO2) concentration at Greendale, Wisconsin is 8.25 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 4.523 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)

Good

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)

3.99 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

19.63 μg/m³

155

255

425

605+

Ozone (O₃)

28.87 ppb

201

201+

Sulfur Dioxide (SO₂)

0.50 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

10.00 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.10 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

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
2026-10-06T10:00:00.000Z	17 \| good	3.083 \| good	10.103 \| good	17.939 \| good	0.506 \| good	7.673 \| good	0.103 \| good
2026-10-06T11:00:00.000Z	22 \| good	3.562 \| good	12.382 \| good	16.416 \| good	0.616 \| good	18.531 \| good	0.204 \| good
2026-10-06T12:00:00.000Z	22 \| good	4.193 \| good	14.403 \| good	20.186 \| good	0.837 \| good	16.753 \| good	0.204 \| good
2026-10-06T13:00:00.000Z	22 \| good	4.296 \| good	14.457 \| good	16.043 \| good	0.824 \| good	17.233 \| good	0.206 \| good
2026-10-06T14:00:00.000Z	27 \| good	5.23 \| good	18.823 \| good	22.455 \| good	0.507 \| good	16.458 \| good	0.295 \| good
2026-10-06T15:00:00.000Z	27 \| good	5.201 \| good	18.145 \| good	23.506 \| good	0.657 \| good	14.651 \| good	0.294 \| good
2026-10-06T16:00:00.000Z	27 \| good	5.007 \| good	21.274 \| good	26.364 \| good	0.624 \| good	14.248 \| good	0.2 \| good
2026-10-06T17:00:00.000Z	30 \| good	4.649 \| good	22.962 \| good	31.762 \| good	0.646 \| good	13.245 \| good	0.199 \| good
2026-10-06T18:00:00.000Z	31 \| good	4.498 \| good	24.219 \| good	33.585 \| good	0.889 \| good	11.462 \| good	0.196 \| good
2026-10-06T19:00:00.000Z	37 \| good	4.414 \| good	27.505 \| good	39.703 \| good	0.876 \| good	10.091 \| good	0.196 \| good
2026-10-06T20:00:00.000Z	40 \| good	4.442 \| good	32.313 \| good	43.277 \| good	0.652 \| good	10.429 \| good	0.196 \| good
2026-10-06T21:00:00.000Z	42 \| good	4.491 \| good	32.125 \| good	44.594 \| good	0.759 \| good	11.138 \| good	0.289 \| good
2026-10-06T22:00:00.000Z	43 \| good	4.463 \| good	31.962 \| good	45.927 \| good	0.96 \| good	11.494 \| good	0.292 \| good
2026-10-06T23:00:00.000Z	43 \| good	4.419 \| good	30.76 \| good	45.503 \| good	0.902 \| good	12.805 \| good	0.289 \| good
2026-10-07T00:00:00.000Z	43 \| good	4.383 \| good	31.187 \| good	45.509 \| good	0.935 \| good	15.342 \| good	0.294 \| good
2026-10-07T01:00:00.000Z	40 \| good	4.596 \| good	29.634 \| good	43.107 \| good	0.963 \| good	16.499 \| good	0.294 \| good
2026-10-07T02:00:00.000Z	40 \| good	4.625 \| good	26.257 \| good	43.431 \| good	0.792 \| good	14.999 \| good	0.292 \| good
2026-10-07T03:00:00.000Z	44 \| good	8.453 \| good	36.97 \| good	29.166 \| good	0.926 \| good	4.517 \| good	0.164 \| good
2026-10-07T04:00:00.000Z	38 \| good	4.325 \| good	25.754 \| good	41.449 \| good	0.778 \| good	8.588 \| good	0.199 \| good
2026-10-07T05:00:00.000Z	36 \| good	4.374 \| good	25.886 \| good	38.986 \| good	0.702 \| good	7.45 \| good	0.196 \| good
2026-10-07T06:00:00.000Z	34 \| good	4.523 \| good	25.768 \| good	37.222 \| good	0.646 \| good	8.25 \| good	0.196 \| good
2026-10-07T07:00:00.000Z	34 \| good	4.537 \| good	24.419 \| good	36.945 \| good	0.645 \| good	8.275 \| good	0.195 \| good
2026-10-07T08:00:00.000Z	32 \| good	4.384 \| good	26.006 \| good	35.04 \| good	0.636 \| good	5.543 \| good	0.196 \| good
2026-10-07T09:00:00.000Z	32 \| good	4.379 \| good	24.93 \| good	34.899 \| good	0.693 \| good	5.592 \| good	0.199 \| good
2026-10-07T10:00:00.000Z	31 \| good	4.463 \| good	25.71 \| good	33.456 \| good	0.636 \| good	10.922 \| good	0.198 \| good
2026-10-07T11:00:00.000Z	28 \| good	4.66 \| good	26.096 \| good	29.921 \| good	0.616 \| good	14.366 \| good	0.294 \| good
2026-10-07T12:00:00.000Z	27 \| good	5.024 \| good	27.195 \| good	27.851 \| good	0.594 \| good	19.847 \| good	0.387 \| good
2026-10-07T13:00:00.000Z	27 \| good	4.971 \| good	27.341 \| good	27.492 \| good	0.598 \| good	19.754 \| good	0.387 \| good
2026-10-07T14:00:00.000Z	33 \| good	5.643 \| good	27.505 \| good	27.076 \| good	0.611 \| good	18.56 \| good	0.387 \| good
2026-10-07T15:00:00.000Z	33 \| good	5.785 \| good	28.029 \| good	28.01 \| good	0.563 \| good	20.585 \| good	0.386 \| good
2026-10-07T16:00:00.000Z	33 \| good	5.739 \| good	28.282 \| good	28.327 \| good	0.46 \| good	21.53 \| good	0.382 \| good
2026-10-07T17:00:00.000Z	28 \| good	5.496 \| good	29.437 \| good	29.96 \| good	0.619 \| good	17.056 \| good	0.131 \| good
2026-10-07T18:00:00.000Z	33 \| good	5.302 \| good	27.805 \| good	35.882 \| good	0.607 \| good	16.456 \| good	0.136 \| good
2026-10-07T19:00:00.000Z	36 \| good	4.882 \| good	25.691 \| good	38.631 \| good	0.471 \| good	13.305 \| good	0.145 \| good
2026-10-07T20:00:00.000Z	37 \| good	4.485 \| good	25.158 \| good	40.442 \| good	0.45 \| good	11.834 \| good	0.145 \| good
2026-10-07T21:00:00.000Z	39 \| good	4.831 \| good	25.691 \| good	42.016 \| good	0.498 \| good	11.985 \| good	0.29 \| good
2026-10-07T22:00:00.000Z	38 \| good	4.129 \| good	26.441 \| good	41.486 \| good	0.553 \| good	12.438 \| good	0.289 \| good
2026-10-07T23:00:00.000Z	39 \| good	3.835 \| good	24.656 \| good	41.683 \| good	0.547 \| good	12.949 \| good	0.289 \| good
2026-10-08T00:00:00.000Z	35 \| good	5.409 \| good	26.892 \| good	38.429 \| good	0.67 \| good	17.786 \| good	0.29 \| good
2026-10-08T01:00:00.000Z	33 \| good	5.486 \| good	25.222 \| good	35.846 \| good	0.564 \| good	20.206 \| good	0.29 \| good
2026-10-08T02:00:00.000Z	33 \| good	5.098 \| good	25.89 \| good	35.644 \| good	0.662 \| good	19.54 \| good	0.289 \| good
2026-10-08T03:00:00.000Z	23 \| good	3.566 \| good	15.426 \| good	24.903 \| good	0.339 \| good	5.034 \| good	0.154 \| good
2026-10-08T04:00:00.000Z	29 \| good	4.054 \| good	20.962 \| good	30.753 \| good	0.683 \| good	15.154 \| good	0.289 \| good
2026-10-08T05:00:00.000Z	23 \| good	4.364 \| good	24.362 \| good	24.806 \| good	0.591 \| good	15.968 \| good	0.197 \| good
2026-10-08T06:00:00.000Z	25 \| good	4.338 \| good	23.083 \| good	27.157 \| good	0.574 \| good	15.031 \| good	0.197 \| good
2026-10-08T07:00:00.000Z	25 \| good	4.089 \| good	20.902 \| good	27.205 \| good	0.575 \| good	15.003 \| good	0.196 \| good
2026-10-08T08:00:00.000Z	27 \| good	3.99 \| good	19.626 \| good	28.867 \| good	0.502 \| good	10.003 \| good	0.102 \| good
2026-10-08T09:00:00.000Z	25 \| good	3.947 \| good	18.654 \| good	27.49 \| good	0.516 \| good	9.995 \| good	0.195 \| good
2026-10-08T09:00:00.000Z	27 \| good	3.99 \| good	19.626 \| good	28.867 \| good	0.502 \| good	10.003 \| good	0.102 \| good
2026-10-07T07:00:00.000Z	38 \| good	6.911 \| good	30.437 \| good	27.874 \| good	0.605 \| good	3.09 \| good	0.159 \| good
2026-10-07T08:00:00.000Z	44 \| good	8.254 \| good	36.228 \| good	25.428 \| good	0.516 \| good	3.135 \| good	0.158 \| good
2026-10-07T09:00:00.000Z	49 \| good	8.814 \| good	38.742 \| good	18.984 \| good	0.44 \| good	3.31 \| good	0.159 \| good
2026-10-07T10:00:00.000Z	33 \| good	6.494 \| good	29.011 \| good	12.004 \| good	0.382 \| good	3.547 \| good	0.162 \| good
2026-10-07T11:00:00.000Z	38 \| good	7.22 \| good	31.931 \| good	7.989 \| good	0.352 \| good	3.901 \| good	0.165 \| good
2026-10-07T12:00:00.000Z	49 \| good	8.751 \| good	38.53 \| good	5.182 \| good	0.358 \| good	4.737 \| good	0.171 \| good
2026-10-07T13:00:00.000Z	52 \| moderate	10.349 \| good	46.096 \| good	12.504 \| good	0.383 \| good	4.964 \| good	0.18 \| good
2026-10-07T14:00:00.000Z	52 \| moderate	9.667 \| good	42.968 \| good	22.901 \| good	0.417 \| good	4.316 \| good	0.186 \| good
2026-10-07T15:00:00.000Z	38 \| good	6.973 \| good	30.698 \| good	30.682 \| good	0.454 \| good	3.521 \| good	0.182 \| good
2026-10-07T16:00:00.000Z	32 \| good	3.613 \| good	15.711 \| good	35.419 \| good	0.455 \| good	3.088 \| good	0.176 \| good
2026-10-07T17:00:00.000Z	35 \| good	2.936 \| good	12.302 \| good	38.439 \| good	0.422 \| good	2.775 \| good	0.167 \| good
2026-10-07T18:00:00.000Z	37 \| good	3.208 \| good	13.916 \| good	39.962 \| good	0.389 \| good	2.618 \| good	0.159 \| good
2026-10-07T19:00:00.000Z	37 \| good	1.77 \| good	7.451 \| good	39.513 \| good	0.365 \| good	2.456 \| good	0.152 \| good
2026-10-07T20:00:00.000Z	36 \| good	0.989 \| good	4.056 \| good	39.133 \| good	0.34 \| good	2.41 \| good	0.147 \| good
2026-10-07T21:00:00.000Z	35 \| good	0.516 \| good	1.996 \| good	38.332 \| good	0.309 \| good	2.565 \| good	0.144 \| good
2026-10-07T22:00:00.000Z	32 \| good	1.314 \| good	5.245 \| good	35.022 \| good	0.298 \| good	2.077 \| good	0.136 \| good
2026-10-07T23:00:00.000Z	24 \| good	2.033 \| good	8.122 \| good	26.352 \| good	0.281 \| good	2.94 \| good	0.139 \| good
2026-10-08T00:00:00.000Z	22 \| good	4.444 \| good	19.519 \| good	20.686 \| good	0.282 \| good	4.329 \| good	0.147 \| good
2026-10-08T01:00:00.000Z	22 \| good	4.326 \| good	18.922 \| good	19.715 \| good	0.291 \| good	5.561 \| good	0.153 \| good
2026-10-08T02:00:00.000Z	20 \| good	2.51 \| good	10.619 \| good	21.548 \| good	0.298 \| good	6.125 \| good	0.156 \| good
2026-10-08T03:00:00.000Z	17 \| good	2.261 \| good	9.469 \| good	18.458 \| good	0.308 \| good	6.041 \| good	0.155 \| good
2026-10-08T04:00:00.000Z	16 \| good	3.29 \| good	13.893 \| good	16.035 \| good	0.308 \| good	6.009 \| good	0.155 \| good
2026-10-08T05:00:00.000Z	22 \| good	3.785 \| good	16.635 \| good	14.673 \| good	0.3 \| good	5.384 \| good	0.153 \| good
2026-10-08T06:00:00.000Z	16 \| good	2.706 \| good	11.182 \| good	16.014 \| good	0.295 \| good	4.561 \| good	0.149 \| good
2026-10-08T07:00:00.000Z	18 \| good	2.061 \| good	8.471 \| good	19.106 \| good	0.293 \| good	4.204 \| good	0.147 \| good
2026-10-08T08:00:00.000Z	16 \| good	3.069 \| good	13.096 \| good	16.916 \| good	0.291 \| good	4.001 \| good	0.145 \| good
2026-10-08T09:00:00.000Z	16 \| good	3.064 \| good	13.152 \| good	16.205 \| good	0.299 \| good	3.848 \| good	0.143 \| good
2026-10-08T10:00:00.000Z	14 \| good	2.167 \| good	8.917 \| good	15.201 \| good	0.324 \| good	3.697 \| good	0.141 \| good
2026-10-08T11:00:00.000Z	16 \| good	2.577 \| good	10.803 \| good	11.199 \| good	0.365 \| good	3.614 \| good	0.138 \| good
2026-10-08T12:00:00.000Z	16 \| good	2.82 \| good	12.081 \| good	9.29 \| good	0.406 \| good	4.081 \| good	0.139 \| good
2026-10-08T13:00:00.000Z	22 \| good	4.004 \| good	17.401 \| good	13.791 \| good	0.442 \| good	4.239 \| good	0.142 \| good
2026-10-08T14:00:00.000Z	19 \| good	2.872 \| good	12.133 \| good	21.255 \| good	0.46 \| good	3.639 \| good	0.142 \| good
2026-10-08T15:00:00.000Z	26 \| good	2.649 \| good	11.245 \| good	28.059 \| good	0.477 \| good	2.539 \| good	0.134 \| good
2026-10-08T16:00:00.000Z	31 \| good	2.333 \| good	9.685 \| good	32.71 \| good	0.461 \| good	1.698 \| good	0.129 \| good
2026-10-08T17:00:00.000Z	31 \| good	1.652 \| good	6.742 \| good	33.974 \| good	0.452 \| good	1.298 \| good	0.126 \| good
2026-10-08T18:00:00.000Z	33 \| good	2.801 \| good	11.814 \| good	35.89 \| good	0.452 \| good	1.08 \| good	0.122 \| good
2026-10-08T19:00:00.000Z	33 \| good	1.584 \| good	6.37 \| good	36.183 \| good	0.439 \| good	0.98 \| good	0.121 \| good
2026-10-08T20:00:00.000Z	34 \| good	0.725 \| good	2.779 \| good	37.065 \| good	0.423 \| good	0.92 \| good	0.12 \| good
2026-10-08T21:00:00.000Z	35 \| good	1.53 \| good	6.399 \| good	37.785 \| good	0.416 \| good	0.98 \| good	0.12 \| good
2026-10-08T22:00:00.000Z	30 \| good	4.392 \| good	19.31 \| good	32.377 \| good	0.417 \| good	1.292 \| good	0.122 \| good
2026-10-08T23:00:00.000Z	52 \| moderate	9.722 \| good	43.115 \| good	22.742 \| good	0.422 \| good	2.808 \| good	0.132 \| good
2026-10-09T00:00:00.000Z	58 \| moderate	13.484 \| fine	60.321 \| fine	17.082 \| good	0.438 \| good	5.835 \| good	0.151 \| good
2026-10-09T01:00:00.000Z	62 \| moderate	14.878 \| fine	66.439 \| fine	15.369 \| good	0.461 \| good	8.419 \| good	0.165 \| good
2026-10-09T02:00:00.000Z	62 \| moderate	14.544 \| fine	64.79 \| fine	18.05 \| good	0.481 \| good	10.238 \| good	0.175 \| good
2026-10-09T03:00:00.000Z	64 \| moderate	16.261 \| fine	72.331 \| fine	21.142 \| good	0.494 \| good	11.555 \| good	0.184 \| good
2026-10-09T04:00:00.000Z	64 \| moderate	16.011 \| fine	71.079 \| fine	19.443 \| good	0.499 \| good	12.539 \| good	0.192 \| good
2026-10-09T05:00:00.000Z	64 \| moderate	15.716 \| fine	69.881 \| fine	18.758 \| good	0.487 \| good	12.656 \| good	0.197 \| good
2026-10-09T06:00:00.000Z	64 \| moderate	15.846 \| fine	70.13 \| fine	18.536 \| good	0.463 \| good	12.366 \| good	0.201 \| good

Greendale

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Greendale, Wisconsin air quality map: Track AQI near you

0.19ppm

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 03:00:00 on 2026-10-07.

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 2026-10-06.

What is the current air quality in Greendale, Wisconsin?

The current air quality in Greendale, Wisconsin is 34, categorized as Good based on real-time data.

What pollutant is the most common in Greendale, Wisconsin?

The most common pollutant in Greendale, Wisconsin is O3.

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 4.523 μg/m³.

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

The current PM₁₀ concentration at Greendale, Wisconsin is 25.768 μg/m³.

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

The current carbon monoxide (CO) concentration at Greendale, Wisconsin is 0.196 ppm.

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

The current sulfur dioxide (SO₂) concentration at Greendale, Wisconsin is 0.646 ppb.

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

The current ozone (O₃) concentration at Greendale, Wisconsin is 37.222 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Greendale, Wisconsin is 8.25 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-10-06T10:00:00.000Z	17 \| good	3.083 \| good	10.103 \| good	17.939 \| good	0.506 \| good	7.673 \| good	0.103 \| good
2026-10-06T11:00:00.000Z	22 \| good	3.562 \| good	12.382 \| good	16.416 \| good	0.616 \| good	18.531 \| good	0.204 \| good
2026-10-06T12:00:00.000Z	22 \| good	4.193 \| good	14.403 \| good	20.186 \| good	0.837 \| good	16.753 \| good	0.204 \| good
2026-10-06T13:00:00.000Z	22 \| good	4.296 \| good	14.457 \| good	16.043 \| good	0.824 \| good	17.233 \| good	0.206 \| good
2026-10-06T14:00:00.000Z	27 \| good	5.23 \| good	18.823 \| good	22.455 \| good	0.507 \| good	16.458 \| good	0.295 \| good
2026-10-06T15:00:00.000Z	27 \| good	5.201 \| good	18.145 \| good	23.506 \| good	0.657 \| good	14.651 \| good	0.294 \| good
2026-10-06T16:00:00.000Z	27 \| good	5.007 \| good	21.274 \| good	26.364 \| good	0.624 \| good	14.248 \| good	0.2 \| good
2026-10-06T17:00:00.000Z	30 \| good	4.649 \| good	22.962 \| good	31.762 \| good	0.646 \| good	13.245 \| good	0.199 \| good
2026-10-06T18:00:00.000Z	31 \| good	4.498 \| good	24.219 \| good	33.585 \| good	0.889 \| good	11.462 \| good	0.196 \| good
2026-10-06T19:00:00.000Z	37 \| good	4.414 \| good	27.505 \| good	39.703 \| good	0.876 \| good	10.091 \| good	0.196 \| good
2026-10-06T20:00:00.000Z	40 \| good	4.442 \| good	32.313 \| good	43.277 \| good	0.652 \| good	10.429 \| good	0.196 \| good
2026-10-06T21:00:00.000Z	42 \| good	4.491 \| good	32.125 \| good	44.594 \| good	0.759 \| good	11.138 \| good	0.289 \| good
2026-10-06T22:00:00.000Z	43 \| good	4.463 \| good	31.962 \| good	45.927 \| good	0.96 \| good	11.494 \| good	0.292 \| good
2026-10-06T23:00:00.000Z	43 \| good	4.419 \| good	30.76 \| good	45.503 \| good	0.902 \| good	12.805 \| good	0.289 \| good
2026-10-07T00:00:00.000Z	43 \| good	4.383 \| good	31.187 \| good	45.509 \| good	0.935 \| good	15.342 \| good	0.294 \| good
2026-10-07T01:00:00.000Z	40 \| good	4.596 \| good	29.634 \| good	43.107 \| good	0.963 \| good	16.499 \| good	0.294 \| good
2026-10-07T02:00:00.000Z	40 \| good	4.625 \| good	26.257 \| good	43.431 \| good	0.792 \| good	14.999 \| good	0.292 \| good
2026-10-07T03:00:00.000Z	44 \| good	8.453 \| good	36.97 \| good	29.166 \| good	0.926 \| good	4.517 \| good	0.164 \| good
2026-10-07T04:00:00.000Z	38 \| good	4.325 \| good	25.754 \| good	41.449 \| good	0.778 \| good	8.588 \| good	0.199 \| good
2026-10-07T05:00:00.000Z	36 \| good	4.374 \| good	25.886 \| good	38.986 \| good	0.702 \| good	7.45 \| good	0.196 \| good
2026-10-07T06:00:00.000Z	34 \| good	4.523 \| good	25.768 \| good	37.222 \| good	0.646 \| good	8.25 \| good	0.196 \| good
2026-10-07T07:00:00.000Z	34 \| good	4.537 \| good	24.419 \| good	36.945 \| good	0.645 \| good	8.275 \| good	0.195 \| good
2026-10-07T08:00:00.000Z	32 \| good	4.384 \| good	26.006 \| good	35.04 \| good	0.636 \| good	5.543 \| good	0.196 \| good
2026-10-07T09:00:00.000Z	32 \| good	4.379 \| good	24.93 \| good	34.899 \| good	0.693 \| good	5.592 \| good	0.199 \| good
2026-10-07T10:00:00.000Z	31 \| good	4.463 \| good	25.71 \| good	33.456 \| good	0.636 \| good	10.922 \| good	0.198 \| good
2026-10-07T11:00:00.000Z	28 \| good	4.66 \| good	26.096 \| good	29.921 \| good	0.616 \| good	14.366 \| good	0.294 \| good
2026-10-07T12:00:00.000Z	27 \| good	5.024 \| good	27.195 \| good	27.851 \| good	0.594 \| good	19.847 \| good	0.387 \| good
2026-10-07T13:00:00.000Z	27 \| good	4.971 \| good	27.341 \| good	27.492 \| good	0.598 \| good	19.754 \| good	0.387 \| good
2026-10-07T14:00:00.000Z	33 \| good	5.643 \| good	27.505 \| good	27.076 \| good	0.611 \| good	18.56 \| good	0.387 \| good
2026-10-07T15:00:00.000Z	33 \| good	5.785 \| good	28.029 \| good	28.01 \| good	0.563 \| good	20.585 \| good	0.386 \| good
2026-10-07T16:00:00.000Z	33 \| good	5.739 \| good	28.282 \| good	28.327 \| good	0.46 \| good	21.53 \| good	0.382 \| good
2026-10-07T17:00:00.000Z	28 \| good	5.496 \| good	29.437 \| good	29.96 \| good	0.619 \| good	17.056 \| good	0.131 \| good
2026-10-07T18:00:00.000Z	33 \| good	5.302 \| good	27.805 \| good	35.882 \| good	0.607 \| good	16.456 \| good	0.136 \| good
2026-10-07T19:00:00.000Z	36 \| good	4.882 \| good	25.691 \| good	38.631 \| good	0.471 \| good	13.305 \| good	0.145 \| good
2026-10-07T20:00:00.000Z	37 \| good	4.485 \| good	25.158 \| good	40.442 \| good	0.45 \| good	11.834 \| good	0.145 \| good
2026-10-07T21:00:00.000Z	39 \| good	4.831 \| good	25.691 \| good	42.016 \| good	0.498 \| good	11.985 \| good	0.29 \| good
2026-10-07T22:00:00.000Z	38 \| good	4.129 \| good	26.441 \| good	41.486 \| good	0.553 \| good	12.438 \| good	0.289 \| good
2026-10-07T23:00:00.000Z	39 \| good	3.835 \| good	24.656 \| good	41.683 \| good	0.547 \| good	12.949 \| good	0.289 \| good
2026-10-08T00:00:00.000Z	35 \| good	5.409 \| good	26.892 \| good	38.429 \| good	0.67 \| good	17.786 \| good	0.29 \| good
2026-10-08T01:00:00.000Z	33 \| good	5.486 \| good	25.222 \| good	35.846 \| good	0.564 \| good	20.206 \| good	0.29 \| good
2026-10-08T02:00:00.000Z	33 \| good	5.098 \| good	25.89 \| good	35.644 \| good	0.662 \| good	19.54 \| good	0.289 \| good
2026-10-08T03:00:00.000Z	23 \| good	3.566 \| good	15.426 \| good	24.903 \| good	0.339 \| good	5.034 \| good	0.154 \| good
2026-10-08T04:00:00.000Z	29 \| good	4.054 \| good	20.962 \| good	30.753 \| good	0.683 \| good	15.154 \| good	0.289 \| good
2026-10-08T05:00:00.000Z	23 \| good	4.364 \| good	24.362 \| good	24.806 \| good	0.591 \| good	15.968 \| good	0.197 \| good
2026-10-08T06:00:00.000Z	25 \| good	4.338 \| good	23.083 \| good	27.157 \| good	0.574 \| good	15.031 \| good	0.197 \| good
2026-10-08T07:00:00.000Z	25 \| good	4.089 \| good	20.902 \| good	27.205 \| good	0.575 \| good	15.003 \| good	0.196 \| good
2026-10-08T08:00:00.000Z	27 \| good	3.99 \| good	19.626 \| good	28.867 \| good	0.502 \| good	10.003 \| good	0.102 \| good
2026-10-08T09:00:00.000Z	25 \| good	3.947 \| good	18.654 \| good	27.49 \| good	0.516 \| good	9.995 \| good	0.195 \| good
2026-10-08T09:00:00.000Z	27 \| good	3.99 \| good	19.626 \| good	28.867 \| good	0.502 \| good	10.003 \| good	0.102 \| good
2026-10-07T07:00:00.000Z	38 \| good	6.911 \| good	30.437 \| good	27.874 \| good	0.605 \| good	3.09 \| good	0.159 \| good
2026-10-07T08:00:00.000Z	44 \| good	8.254 \| good	36.228 \| good	25.428 \| good	0.516 \| good	3.135 \| good	0.158 \| good
2026-10-07T09:00:00.000Z	49 \| good	8.814 \| good	38.742 \| good	18.984 \| good	0.44 \| good	3.31 \| good	0.159 \| good
2026-10-07T10:00:00.000Z	33 \| good	6.494 \| good	29.011 \| good	12.004 \| good	0.382 \| good	3.547 \| good	0.162 \| good
2026-10-07T11:00:00.000Z	38 \| good	7.22 \| good	31.931 \| good	7.989 \| good	0.352 \| good	3.901 \| good	0.165 \| good
2026-10-07T12:00:00.000Z	49 \| good	8.751 \| good	38.53 \| good	5.182 \| good	0.358 \| good	4.737 \| good	0.171 \| good
2026-10-07T13:00:00.000Z	52 \| moderate	10.349 \| good	46.096 \| good	12.504 \| good	0.383 \| good	4.964 \| good	0.18 \| good
2026-10-07T14:00:00.000Z	52 \| moderate	9.667 \| good	42.968 \| good	22.901 \| good	0.417 \| good	4.316 \| good	0.186 \| good
2026-10-07T15:00:00.000Z	38 \| good	6.973 \| good	30.698 \| good	30.682 \| good	0.454 \| good	3.521 \| good	0.182 \| good
2026-10-07T16:00:00.000Z	32 \| good	3.613 \| good	15.711 \| good	35.419 \| good	0.455 \| good	3.088 \| good	0.176 \| good
2026-10-07T17:00:00.000Z	35 \| good	2.936 \| good	12.302 \| good	38.439 \| good	0.422 \| good	2.775 \| good	0.167 \| good
2026-10-07T18:00:00.000Z	37 \| good	3.208 \| good	13.916 \| good	39.962 \| good	0.389 \| good	2.618 \| good	0.159 \| good
2026-10-07T19:00:00.000Z	37 \| good	1.77 \| good	7.451 \| good	39.513 \| good	0.365 \| good	2.456 \| good	0.152 \| good
2026-10-07T20:00:00.000Z	36 \| good	0.989 \| good	4.056 \| good	39.133 \| good	0.34 \| good	2.41 \| good	0.147 \| good
2026-10-07T21:00:00.000Z	35 \| good	0.516 \| good	1.996 \| good	38.332 \| good	0.309 \| good	2.565 \| good	0.144 \| good
2026-10-07T22:00:00.000Z	32 \| good	1.314 \| good	5.245 \| good	35.022 \| good	0.298 \| good	2.077 \| good	0.136 \| good
2026-10-07T23:00:00.000Z	24 \| good	2.033 \| good	8.122 \| good	26.352 \| good	0.281 \| good	2.94 \| good	0.139 \| good
2026-10-08T00:00:00.000Z	22 \| good	4.444 \| good	19.519 \| good	20.686 \| good	0.282 \| good	4.329 \| good	0.147 \| good
2026-10-08T01:00:00.000Z	22 \| good	4.326 \| good	18.922 \| good	19.715 \| good	0.291 \| good	5.561 \| good	0.153 \| good
2026-10-08T02:00:00.000Z	20 \| good	2.51 \| good	10.619 \| good	21.548 \| good	0.298 \| good	6.125 \| good	0.156 \| good
2026-10-08T03:00:00.000Z	17 \| good	2.261 \| good	9.469 \| good	18.458 \| good	0.308 \| good	6.041 \| good	0.155 \| good
2026-10-08T04:00:00.000Z	16 \| good	3.29 \| good	13.893 \| good	16.035 \| good	0.308 \| good	6.009 \| good	0.155 \| good
2026-10-08T05:00:00.000Z	22 \| good	3.785 \| good	16.635 \| good	14.673 \| good	0.3 \| good	5.384 \| good	0.153 \| good
2026-10-08T06:00:00.000Z	16 \| good	2.706 \| good	11.182 \| good	16.014 \| good	0.295 \| good	4.561 \| good	0.149 \| good
2026-10-08T07:00:00.000Z	18 \| good	2.061 \| good	8.471 \| good	19.106 \| good	0.293 \| good	4.204 \| good	0.147 \| good
2026-10-08T08:00:00.000Z	16 \| good	3.069 \| good	13.096 \| good	16.916 \| good	0.291 \| good	4.001 \| good	0.145 \| good
2026-10-08T09:00:00.000Z	16 \| good	3.064 \| good	13.152 \| good	16.205 \| good	0.299 \| good	3.848 \| good	0.143 \| good
2026-10-08T10:00:00.000Z	14 \| good	2.167 \| good	8.917 \| good	15.201 \| good	0.324 \| good	3.697 \| good	0.141 \| good
2026-10-08T11:00:00.000Z	16 \| good	2.577 \| good	10.803 \| good	11.199 \| good	0.365 \| good	3.614 \| good	0.138 \| good
2026-10-08T12:00:00.000Z	16 \| good	2.82 \| good	12.081 \| good	9.29 \| good	0.406 \| good	4.081 \| good	0.139 \| good
2026-10-08T13:00:00.000Z	22 \| good	4.004 \| good	17.401 \| good	13.791 \| good	0.442 \| good	4.239 \| good	0.142 \| good
2026-10-08T14:00:00.000Z	19 \| good	2.872 \| good	12.133 \| good	21.255 \| good	0.46 \| good	3.639 \| good	0.142 \| good
2026-10-08T15:00:00.000Z	26 \| good	2.649 \| good	11.245 \| good	28.059 \| good	0.477 \| good	2.539 \| good	0.134 \| good
2026-10-08T16:00:00.000Z	31 \| good	2.333 \| good	9.685 \| good	32.71 \| good	0.461 \| good	1.698 \| good	0.129 \| good
2026-10-08T17:00:00.000Z	31 \| good	1.652 \| good	6.742 \| good	33.974 \| good	0.452 \| good	1.298 \| good	0.126 \| good
2026-10-08T18:00:00.000Z	33 \| good	2.801 \| good	11.814 \| good	35.89 \| good	0.452 \| good	1.08 \| good	0.122 \| good
2026-10-08T19:00:00.000Z	33 \| good	1.584 \| good	6.37 \| good	36.183 \| good	0.439 \| good	0.98 \| good	0.121 \| good
2026-10-08T20:00:00.000Z	34 \| good	0.725 \| good	2.779 \| good	37.065 \| good	0.423 \| good	0.92 \| good	0.12 \| good
2026-10-08T21:00:00.000Z	35 \| good	1.53 \| good	6.399 \| good	37.785 \| good	0.416 \| good	0.98 \| good	0.12 \| good
2026-10-08T22:00:00.000Z	30 \| good	4.392 \| good	19.31 \| good	32.377 \| good	0.417 \| good	1.292 \| good	0.122 \| good
2026-10-08T23:00:00.000Z	52 \| moderate	9.722 \| good	43.115 \| good	22.742 \| good	0.422 \| good	2.808 \| good	0.132 \| good
2026-10-09T00:00:00.000Z	58 \| moderate	13.484 \| fine	60.321 \| fine	17.082 \| good	0.438 \| good	5.835 \| good	0.151 \| good
2026-10-09T01:00:00.000Z	62 \| moderate	14.878 \| fine	66.439 \| fine	15.369 \| good	0.461 \| good	8.419 \| good	0.165 \| good
2026-10-09T02:00:00.000Z	62 \| moderate	14.544 \| fine	64.79 \| fine	18.05 \| good	0.481 \| good	10.238 \| good	0.175 \| good
2026-10-09T03:00:00.000Z	64 \| moderate	16.261 \| fine	72.331 \| fine	21.142 \| good	0.494 \| good	11.555 \| good	0.184 \| good
2026-10-09T04:00:00.000Z	64 \| moderate	16.011 \| fine	71.079 \| fine	19.443 \| good	0.499 \| good	12.539 \| good	0.192 \| good
2026-10-09T05:00:00.000Z	64 \| moderate	15.716 \| fine	69.881 \| fine	18.758 \| good	0.487 \| good	12.656 \| good	0.197 \| good
2026-10-09T06:00:00.000Z	64 \| moderate	15.846 \| fine	70.13 \| fine	18.536 \| good	0.463 \| good	12.366 \| good	0.201 \| 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?

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

What is the current concentration of PM₁₀ 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?