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

The current PM10 concentration at Greendale, Wisconsin is 13.673 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Greendale, Wisconsin is 1.077 ppb.

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

The current ozone (O3) concentration at Greendale, Wisconsin is 24.483 ppm.

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

The current nitrogen dioxide (NO2) concentration at Greendale, Wisconsin is 8.975 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 4.183 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)

4.18 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

13.67 μg/m³

155

255

425

605+

Ozone (O₃)

24.48 ppb

201

201+

Sulfur Dioxide (SO₂)

1.08 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

8.97 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 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
2026-01-23T14:00:00.000Z	54 \| moderate	11.04 \| good	54.16 \| good	18.396 \| good	1.279 \| good	11.772 \| good	0.289 \| good
2026-01-23T15:00:00.000Z	54 \| moderate	10.635 \| good	52.254 \| good	24.283 \| good	1.528 \| good	11.51 \| good	0.195 \| good
2026-01-23T16:00:00.000Z	52 \| moderate	10.472 \| good	52.56 \| good	27.413 \| good	1.976 \| good	10.701 \| good	0.195 \| good
2026-01-23T17:00:00.000Z	52 \| moderate	9.866 \| good	48.964 \| good	28.28 \| good	1.298 \| good	9.845 \| good	0.195 \| good
2026-01-23T18:00:00.000Z	52 \| moderate	10.041 \| good	48.05 \| good	28.854 \| good	1.02 \| good	9.906 \| good	0.195 \| good
2026-01-23T19:00:00.000Z	52 \| moderate	9.743 \| good	45.489 \| good	29.196 \| good	1.472 \| good	9.902 \| good	0.195 \| good
2026-01-23T20:00:00.000Z	52 \| moderate	9.909 \| good	44.311 \| good	29.776 \| good	1.429 \| good	9.144 \| good	0.289 \| good
2026-01-23T21:00:00.000Z	52 \| moderate	9.738 \| good	41.432 \| good	30.053 \| good	1.288 \| good	9.705 \| good	0.289 \| good
2026-01-23T22:00:00.000Z	52 \| moderate	9.735 \| good	41.04 \| good	30.096 \| good	1.309 \| good	10.097 \| good	0.384 \| good
2026-01-23T23:00:00.000Z	52 \| moderate	9.797 \| good	41.915 \| good	29.903 \| good	1.111 \| good	11.991 \| good	0.29 \| good
2026-01-24T00:00:00.000Z	52 \| moderate	10.124 \| good	42.509 \| good	27.826 \| good	0.973 \| good	14.405 \| good	0.29 \| good
2026-01-24T01:00:00.000Z	52 \| moderate	10.294 \| good	42.941 \| good	25.092 \| good	1.013 \| good	13.197 \| good	0.29 \| good
2026-01-24T02:00:00.000Z	52 \| moderate	10.441 \| good	41.716 \| good	23.049 \| good	1.011 \| good	13.904 \| good	0.291 \| good
2026-01-24T03:00:00.000Z	54 \| moderate	10.849 \| good	40.982 \| good	20.266 \| good	0.906 \| good	14.385 \| good	0.291 \| good
2026-01-24T04:00:00.000Z	54 \| moderate	10.942 \| good	40.121 \| good	17.929 \| good	1.062 \| good	12.959 \| good	0.294 \| good
2026-01-24T05:00:00.000Z	52 \| moderate	10.491 \| good	35.62 \| good	14.601 \| good	1.08 \| good	11.121 \| good	0.39 \| good
2026-01-24T06:00:00.000Z	52 \| moderate	9.739 \| good	30.913 \| good	12.253 \| good	1.124 \| good	10.042 \| good	0.202 \| good
2026-01-24T07:00:00.000Z	52 \| moderate	9.735 \| good	30.602 \| good	12.181 \| good	1.22 \| good	10.032 \| good	0.202 \| good
2026-01-24T08:00:00.000Z	44 \| good	8.205 \| good	23.937 \| good	15.395 \| good	1.088 \| good	8.886 \| good	0.203 \| good
2026-01-24T09:00:00.000Z	44 \| good	7.815 \| good	22.685 \| good	11.791 \| good	1.119 \| good	8.939 \| good	0.202 \| good
2026-01-24T10:00:00.000Z	44 \| good	7.616 \| good	20.635 \| good	17.752 \| good	1.199 \| good	11.807 \| good	0.2 \| good
2026-01-24T11:00:00.000Z	44 \| good	7.588 \| good	21.275 \| good	18.502 \| good	1.316 \| good	12.86 \| good	0.296 \| good
2026-01-24T12:00:00.000Z	44 \| good	7.642 \| good	23.462 \| good	12.506 \| good	1.336 \| good	14.541 \| good	0.296 \| good
2026-01-24T13:00:00.000Z	44 \| good	7.65 \| good	22.66 \| good	11.118 \| good	1.471 \| good	14.482 \| good	0.296 \| good
2026-01-24T14:00:00.000Z	44 \| good	7.987 \| good	26.235 \| good	9.728 \| good	1.49 \| good	15.879 \| good	0.296 \| good
2026-01-24T15:00:00.000Z	44 \| good	8.094 \| good	28.978 \| good	9.5 \| good	1.153 \| good	15.414 \| good	0.389 \| good
2026-01-24T16:00:00.000Z	49 \| good	8.561 \| good	31.884 \| good	11.582 \| good	1.229 \| good	12.758 \| good	0.388 \| good
2026-01-24T17:00:00.000Z	49 \| good	9.274 \| good	36.59 \| good	15.632 \| good	1.309 \| good	12.72 \| good	0.385 \| good
2026-01-24T18:00:00.000Z	52 \| moderate	9.744 \| good	39.728 \| good	17.176 \| good	1.206 \| good	11.328 \| good	0.384 \| good
2026-01-24T19:00:00.000Z	52 \| moderate	10.071 \| good	43.506 \| good	21.936 \| good	1.241 \| good	11.603 \| good	0.384 \| good
2026-01-24T20:00:00.000Z	52 \| moderate	10.452 \| good	46.404 \| good	21.394 \| good	1.042 \| good	12.572 \| good	0.383 \| good
2026-01-24T21:00:00.000Z	54 \| moderate	11.074 \| good	49.944 \| good	22.576 \| good	1.08 \| good	13.957 \| good	0.478 \| good
2026-01-24T22:00:00.000Z	56 \| moderate	11.636 \| good	51.741 \| good	25.288 \| good	0.977 \| good	15.764 \| good	0.478 \| good
2026-01-24T23:00:00.000Z	58 \| moderate	12.712 \| fine	58.015 \| fine	27.038 \| good	0.95 \| good	19.105 \| good	0.478 \| good
2026-01-25T00:00:00.000Z	58 \| moderate	13.212 \| fine	59.971 \| fine	26.059 \| good	1.186 \| good	20.628 \| good	0.572 \| good
2026-01-25T01:00:00.000Z	56 \| moderate	12.387 \| fine	54.442 \| good	18.216 \| good	1.196 \| good	17.024 \| good	0.383 \| good
2026-01-25T02:00:00.000Z	56 \| moderate	11.851 \| good	49.144 \| good	19.572 \| good	1.258 \| good	16.788 \| good	0.384 \| good
2026-01-25T03:00:00.000Z	56 \| moderate	11.762 \| good	46.794 \| good	19.94 \| good	1.213 \| good	18.275 \| good	0.384 \| good
2026-01-25T04:00:00.000Z	56 \| moderate	12.001 \| good	46.915 \| good	23.228 \| good	1.217 \| good	18.797 \| good	0.383 \| good
2026-01-25T05:00:00.000Z	56 \| moderate	11.789 \| good	42.274 \| good	22.948 \| good	1.227 \| good	17.007 \| good	0.384 \| good
2026-01-25T06:00:00.000Z	54 \| moderate	10.992 \| good	37.956 \| good	23.75 \| good	1.15 \| good	15.348 \| good	0.383 \| good
2026-01-25T07:00:00.000Z	49 \| good	9.442 \| good	32.448 \| good	22.893 \| good	1.267 \| good	12.816 \| good	0.29 \| good
2026-01-25T08:00:00.000Z	44 \| good	8.039 \| good	27.687 \| good	20.981 \| good	1.619 \| good	11.561 \| good	0.289 \| good
2026-01-25T09:00:00.000Z	38 \| good	6.848 \| good	28.089 \| good	20.179 \| good	1.594 \| good	11.76 \| good	0.289 \| good
2026-01-25T10:00:00.000Z	33 \| good	5.65 \| good	24.845 \| good	21.128 \| good	1.398 \| good	9.688 \| good	0.196 \| good
2026-01-25T11:00:00.000Z	27 \| good	4.726 \| good	18.279 \| good	22.306 \| good	1.274 \| good	8.026 \| good	0.196 \| good
2026-01-25T12:00:00.000Z	22 \| good	4.183 \| good	13.673 \| good	24.483 \| good	1.077 \| good	8.975 \| good	0.197 \| good
2026-01-25T13:00:00.000Z	22 \| good	4.183 \| good	13.673 \| good	24.483 \| good	1.077 \| good	8.975 \| good	0.197 \| good
2026-01-25T14:00:00.000Z	54 \| moderate	10.643 \| good	47.052 \| good	12.913 \| good	0.629 \| good	3.443 \| good	0.182 \| good
2026-01-25T15:00:00.000Z	54 \| moderate	10.784 \| good	47.942 \| good	14.321 \| good	0.708 \| good	3.571 \| good	0.185 \| good
2026-01-25T16:00:00.000Z	54 \| moderate	11.044 \| good	48.855 \| good	15.594 \| good	0.676 \| good	3.338 \| good	0.185 \| good
2026-01-25T17:00:00.000Z	54 \| moderate	10.819 \| good	47.837 \| good	17.706 \| good	0.643 \| good	3.105 \| good	0.184 \| good
2026-01-25T18:00:00.000Z	54 \| moderate	10.575 \| good	46.938 \| good	17.666 \| good	0.61 \| good	2.872 \| good	0.184 \| good
2026-01-25T19:00:00.000Z	52 \| moderate	10.465 \| good	46.302 \| good	18.61 \| good	0.561 \| good	3.108 \| good	0.186 \| good
2026-01-25T20:00:00.000Z	56 \| moderate	11.731 \| good	52.399 \| good	18.86 \| good	0.513 \| good	3.345 \| good	0.189 \| good
2026-01-25T21:00:00.000Z	56 \| moderate	12.337 \| fine	55.659 \| fine	21.55 \| good	0.464 \| good	3.581 \| good	0.192 \| good
2026-01-25T22:00:00.000Z	60 \| moderate	13.978 \| fine	62.787 \| fine	18.981 \| good	0.459 \| good	4.663 \| good	0.197 \| good
2026-01-25T23:00:00.000Z	62 \| moderate	14.523 \| fine	65.065 \| fine	17.456 \| good	0.454 \| good	5.745 \| good	0.202 \| good
2026-01-26T00:00:00.000Z	58 \| moderate	13.357 \| fine	60.218 \| fine	16.925 \| good	0.449 \| good	6.827 \| good	0.207 \| good
2026-01-26T01:00:00.000Z	58 \| moderate	13.254 \| fine	59.196 \| fine	17.464 \| good	0.502 \| good	6.385 \| good	0.205 \| good
2026-01-26T02:00:00.000Z	58 \| moderate	12.671 \| fine	57.165 \| fine	16.411 \| good	0.554 \| good	5.943 \| good	0.204 \| good
2026-01-26T03:00:00.000Z	56 \| moderate	11.808 \| good	52.04 \| good	14.842 \| good	0.607 \| good	5.501 \| good	0.202 \| good
2026-01-26T04:00:00.000Z	52 \| moderate	10.365 \| good	45.834 \| good	16.066 \| good	0.566 \| good	5.152 \| good	0.203 \| good
2026-01-26T05:00:00.000Z	52 \| moderate	9.796 \| good	43.616 \| good	18.571 \| good	0.526 \| good	4.802 \| good	0.203 \| good
2026-01-26T06:00:00.000Z	52 \| moderate	9.567 \| good	42.616 \| good	18.881 \| good	0.485 \| good	4.453 \| good	0.204 \| good
2026-01-26T07:00:00.000Z	52 \| moderate	10.429 \| good	46.091 \| good	18.395 \| good	0.435 \| good	4.078 \| good	0.203 \| good
2026-01-26T08:00:00.000Z	54 \| moderate	10.692 \| good	47.244 \| good	18.713 \| good	0.386 \| good	3.704 \| good	0.202 \| good
2026-01-26T09:00:00.000Z	54 \| moderate	10.94 \| good	48.442 \| good	19.427 \| good	0.336 \| good	3.33 \| good	0.201 \| good
2026-01-26T10:00:00.000Z	56 \| moderate	12.329 \| fine	55.466 \| fine	21.889 \| good	0.357 \| good	3.286 \| good	0.199 \| good
2026-01-26T11:00:00.000Z	58 \| moderate	13.33 \| fine	59.715 \| fine	21.318 \| good	0.377 \| good	3.241 \| good	0.198 \| good
2026-01-26T12:00:00.000Z	60 \| moderate	14.097 \| fine	63.325 \| fine	18.978 \| good	0.397 \| good	3.197 \| good	0.197 \| good
2026-01-26T13:00:00.000Z	64 \| moderate	16.256 \| fine	72 \| fine	15.047 \| good	0.419 \| good	3.313 \| good	0.207 \| good
2026-01-26T14:00:00.000Z	64 \| moderate	15.898 \| fine	70.367 \| fine	17.743 \| good	0.44 \| good	3.429 \| good	0.216 \| good
2026-01-26T15:00:00.000Z	62 \| moderate	14.971 \| fine	66.848 \| fine	21.234 \| good	0.462 \| good	3.545 \| good	0.226 \| good
2026-01-26T16:00:00.000Z	62 \| moderate	14.862 \| fine	66.259 \| fine	23.007 \| good	0.446 \| good	3.051 \| good	0.224 \| good
2026-01-26T17:00:00.000Z	60 \| moderate	13.504 \| fine	61.252 \| fine	25.029 \| good	0.43 \| good	2.557 \| good	0.221 \| good
2026-01-26T18:00:00.000Z	56 \| moderate	11.718 \| good	51.974 \| good	25.757 \| good	0.414 \| good	2.063 \| good	0.219 \| good
2026-01-26T19:00:00.000Z	54 \| moderate	10.781 \| good	47.849 \| good	26.905 \| good	0.443 \| good	2.349 \| good	0.216 \| good
2026-01-26T20:00:00.000Z	52 \| moderate	9.626 \| good	42.676 \| good	25.251 \| good	0.472 \| good	2.635 \| good	0.214 \| good
2026-01-26T21:00:00.000Z	49 \| good	8.665 \| good	37.875 \| good	24.129 \| good	0.5 \| good	2.922 \| good	0.211 \| good
2026-01-26T22:00:00.000Z	49 \| good	8.988 \| good	40.013 \| good	24.594 \| good	0.478 \| good	4.017 \| good	0.213 \| good
2026-01-26T23:00:00.000Z	49 \| good	9.25 \| good	41.287 \| good	24.391 \| good	0.457 \| good	5.113 \| good	0.215 \| good
2026-01-27T00:00:00.000Z	44 \| good	8.356 \| good	36.626 \| good	23.473 \| good	0.435 \| good	6.209 \| good	0.217 \| good
2026-01-27T01:00:00.000Z	49 \| good	8.578 \| good	37.192 \| good	22.723 \| good	0.418 \| good	5.706 \| good	0.211 \| good
2026-01-27T02:00:00.000Z	44 \| good	7.606 \| good	33.518 \| good	24.246 \| good	0.401 \| good	5.202 \| good	0.205 \| good
2026-01-27T03:00:00.000Z	33 \| good	6.405 \| good	28.644 \| good	24.577 \| good	0.384 \| good	4.699 \| good	0.198 \| good
2026-01-27T04:00:00.000Z	27 \| good	4.861 \| good	21 \| good	23.804 \| good	0.377 \| good	4.2 \| good	0.193 \| good
2026-01-27T05:00:00.000Z	23 \| good	4.152 \| good	18.278 \| good	24.779 \| good	0.37 \| good	3.7 \| good	0.188 \| good
2026-01-27T06:00:00.000Z	52 \| moderate	10.327 \| good	10.983 \| good	31.671 \| good	0.365 \| good	3.214 \| good	0.183 \| good
2026-01-27T07:00:00.000Z	25 \| good	4.421 \| good	19.125 \| good	27.218 \| good	0.332 \| good	2.992 \| good	0.181 \| good
2026-01-27T08:00:00.000Z	27 \| good	5.313 \| good	22.855 \| good	26.351 \| good	0.301 \| good	2.782 \| good	0.178 \| good
2026-01-27T09:00:00.000Z	33 \| good	6.218 \| good	27.765 \| good	24.885 \| good	0.27 \| good	2.572 \| good	0.176 \| good
2026-01-27T10:00:00.000Z	44 \| good	8.237 \| good	36.029 \| good	26.539 \| good	0.26 \| good	2.424 \| good	0.175 \| good
2026-01-27T11:00:00.000Z	52 \| moderate	10.213 \| good	45.15 \| good	25.634 \| good	0.25 \| good	2.277 \| good	0.173 \| good
2026-01-27T12:00:00.000Z	49 \| good	9.01 \| good	9.309 \| good	34.168 \| good	0.239 \| good	2.135 \| good	0.172 \| good
2026-01-27T13:00:00.000Z	38 \| good	7.394 \| good	7.587 \| good	34.983 \| good	0.273 \| good	2.014 \| good	0.17 \| good

Greendale

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Greendale, Wisconsin air quality map: Track AQI near you

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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 12:00:00 on 2026-01-25.

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 12:00:00 on 2026-01-25.

What is the current air quality in Greendale, Wisconsin?

The current air quality in Greendale, Wisconsin is 22, 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 4.183 μg/m³.

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

The current PM₁₀ concentration at Greendale, Wisconsin is 13.673 μg/m³.

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

The current carbon monoxide (CO) concentration at Greendale, Wisconsin is 0.197 ppm.

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

The current sulfur dioxide (SO₂) concentration at Greendale, Wisconsin is 1.077 ppb.

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

The current ozone (O₃) concentration at Greendale, Wisconsin is 24.483 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Greendale, Wisconsin is 8.975 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-23T14:00:00.000Z	54 \| moderate	11.04 \| good	54.16 \| good	18.396 \| good	1.279 \| good	11.772 \| good	0.289 \| good
2026-01-23T15:00:00.000Z	54 \| moderate	10.635 \| good	52.254 \| good	24.283 \| good	1.528 \| good	11.51 \| good	0.195 \| good
2026-01-23T16:00:00.000Z	52 \| moderate	10.472 \| good	52.56 \| good	27.413 \| good	1.976 \| good	10.701 \| good	0.195 \| good
2026-01-23T17:00:00.000Z	52 \| moderate	9.866 \| good	48.964 \| good	28.28 \| good	1.298 \| good	9.845 \| good	0.195 \| good
2026-01-23T18:00:00.000Z	52 \| moderate	10.041 \| good	48.05 \| good	28.854 \| good	1.02 \| good	9.906 \| good	0.195 \| good
2026-01-23T19:00:00.000Z	52 \| moderate	9.743 \| good	45.489 \| good	29.196 \| good	1.472 \| good	9.902 \| good	0.195 \| good
2026-01-23T20:00:00.000Z	52 \| moderate	9.909 \| good	44.311 \| good	29.776 \| good	1.429 \| good	9.144 \| good	0.289 \| good
2026-01-23T21:00:00.000Z	52 \| moderate	9.738 \| good	41.432 \| good	30.053 \| good	1.288 \| good	9.705 \| good	0.289 \| good
2026-01-23T22:00:00.000Z	52 \| moderate	9.735 \| good	41.04 \| good	30.096 \| good	1.309 \| good	10.097 \| good	0.384 \| good
2026-01-23T23:00:00.000Z	52 \| moderate	9.797 \| good	41.915 \| good	29.903 \| good	1.111 \| good	11.991 \| good	0.29 \| good
2026-01-24T00:00:00.000Z	52 \| moderate	10.124 \| good	42.509 \| good	27.826 \| good	0.973 \| good	14.405 \| good	0.29 \| good
2026-01-24T01:00:00.000Z	52 \| moderate	10.294 \| good	42.941 \| good	25.092 \| good	1.013 \| good	13.197 \| good	0.29 \| good
2026-01-24T02:00:00.000Z	52 \| moderate	10.441 \| good	41.716 \| good	23.049 \| good	1.011 \| good	13.904 \| good	0.291 \| good
2026-01-24T03:00:00.000Z	54 \| moderate	10.849 \| good	40.982 \| good	20.266 \| good	0.906 \| good	14.385 \| good	0.291 \| good
2026-01-24T04:00:00.000Z	54 \| moderate	10.942 \| good	40.121 \| good	17.929 \| good	1.062 \| good	12.959 \| good	0.294 \| good
2026-01-24T05:00:00.000Z	52 \| moderate	10.491 \| good	35.62 \| good	14.601 \| good	1.08 \| good	11.121 \| good	0.39 \| good
2026-01-24T06:00:00.000Z	52 \| moderate	9.739 \| good	30.913 \| good	12.253 \| good	1.124 \| good	10.042 \| good	0.202 \| good
2026-01-24T07:00:00.000Z	52 \| moderate	9.735 \| good	30.602 \| good	12.181 \| good	1.22 \| good	10.032 \| good	0.202 \| good
2026-01-24T08:00:00.000Z	44 \| good	8.205 \| good	23.937 \| good	15.395 \| good	1.088 \| good	8.886 \| good	0.203 \| good
2026-01-24T09:00:00.000Z	44 \| good	7.815 \| good	22.685 \| good	11.791 \| good	1.119 \| good	8.939 \| good	0.202 \| good
2026-01-24T10:00:00.000Z	44 \| good	7.616 \| good	20.635 \| good	17.752 \| good	1.199 \| good	11.807 \| good	0.2 \| good
2026-01-24T11:00:00.000Z	44 \| good	7.588 \| good	21.275 \| good	18.502 \| good	1.316 \| good	12.86 \| good	0.296 \| good
2026-01-24T12:00:00.000Z	44 \| good	7.642 \| good	23.462 \| good	12.506 \| good	1.336 \| good	14.541 \| good	0.296 \| good
2026-01-24T13:00:00.000Z	44 \| good	7.65 \| good	22.66 \| good	11.118 \| good	1.471 \| good	14.482 \| good	0.296 \| good
2026-01-24T14:00:00.000Z	44 \| good	7.987 \| good	26.235 \| good	9.728 \| good	1.49 \| good	15.879 \| good	0.296 \| good
2026-01-24T15:00:00.000Z	44 \| good	8.094 \| good	28.978 \| good	9.5 \| good	1.153 \| good	15.414 \| good	0.389 \| good
2026-01-24T16:00:00.000Z	49 \| good	8.561 \| good	31.884 \| good	11.582 \| good	1.229 \| good	12.758 \| good	0.388 \| good
2026-01-24T17:00:00.000Z	49 \| good	9.274 \| good	36.59 \| good	15.632 \| good	1.309 \| good	12.72 \| good	0.385 \| good
2026-01-24T18:00:00.000Z	52 \| moderate	9.744 \| good	39.728 \| good	17.176 \| good	1.206 \| good	11.328 \| good	0.384 \| good
2026-01-24T19:00:00.000Z	52 \| moderate	10.071 \| good	43.506 \| good	21.936 \| good	1.241 \| good	11.603 \| good	0.384 \| good
2026-01-24T20:00:00.000Z	52 \| moderate	10.452 \| good	46.404 \| good	21.394 \| good	1.042 \| good	12.572 \| good	0.383 \| good
2026-01-24T21:00:00.000Z	54 \| moderate	11.074 \| good	49.944 \| good	22.576 \| good	1.08 \| good	13.957 \| good	0.478 \| good
2026-01-24T22:00:00.000Z	56 \| moderate	11.636 \| good	51.741 \| good	25.288 \| good	0.977 \| good	15.764 \| good	0.478 \| good
2026-01-24T23:00:00.000Z	58 \| moderate	12.712 \| fine	58.015 \| fine	27.038 \| good	0.95 \| good	19.105 \| good	0.478 \| good
2026-01-25T00:00:00.000Z	58 \| moderate	13.212 \| fine	59.971 \| fine	26.059 \| good	1.186 \| good	20.628 \| good	0.572 \| good
2026-01-25T01:00:00.000Z	56 \| moderate	12.387 \| fine	54.442 \| good	18.216 \| good	1.196 \| good	17.024 \| good	0.383 \| good
2026-01-25T02:00:00.000Z	56 \| moderate	11.851 \| good	49.144 \| good	19.572 \| good	1.258 \| good	16.788 \| good	0.384 \| good
2026-01-25T03:00:00.000Z	56 \| moderate	11.762 \| good	46.794 \| good	19.94 \| good	1.213 \| good	18.275 \| good	0.384 \| good
2026-01-25T04:00:00.000Z	56 \| moderate	12.001 \| good	46.915 \| good	23.228 \| good	1.217 \| good	18.797 \| good	0.383 \| good
2026-01-25T05:00:00.000Z	56 \| moderate	11.789 \| good	42.274 \| good	22.948 \| good	1.227 \| good	17.007 \| good	0.384 \| good
2026-01-25T06:00:00.000Z	54 \| moderate	10.992 \| good	37.956 \| good	23.75 \| good	1.15 \| good	15.348 \| good	0.383 \| good
2026-01-25T07:00:00.000Z	49 \| good	9.442 \| good	32.448 \| good	22.893 \| good	1.267 \| good	12.816 \| good	0.29 \| good
2026-01-25T08:00:00.000Z	44 \| good	8.039 \| good	27.687 \| good	20.981 \| good	1.619 \| good	11.561 \| good	0.289 \| good
2026-01-25T09:00:00.000Z	38 \| good	6.848 \| good	28.089 \| good	20.179 \| good	1.594 \| good	11.76 \| good	0.289 \| good
2026-01-25T10:00:00.000Z	33 \| good	5.65 \| good	24.845 \| good	21.128 \| good	1.398 \| good	9.688 \| good	0.196 \| good
2026-01-25T11:00:00.000Z	27 \| good	4.726 \| good	18.279 \| good	22.306 \| good	1.274 \| good	8.026 \| good	0.196 \| good
2026-01-25T12:00:00.000Z	22 \| good	4.183 \| good	13.673 \| good	24.483 \| good	1.077 \| good	8.975 \| good	0.197 \| good
2026-01-25T13:00:00.000Z	22 \| good	4.183 \| good	13.673 \| good	24.483 \| good	1.077 \| good	8.975 \| good	0.197 \| good
2026-01-25T14:00:00.000Z	54 \| moderate	10.643 \| good	47.052 \| good	12.913 \| good	0.629 \| good	3.443 \| good	0.182 \| good
2026-01-25T15:00:00.000Z	54 \| moderate	10.784 \| good	47.942 \| good	14.321 \| good	0.708 \| good	3.571 \| good	0.185 \| good
2026-01-25T16:00:00.000Z	54 \| moderate	11.044 \| good	48.855 \| good	15.594 \| good	0.676 \| good	3.338 \| good	0.185 \| good
2026-01-25T17:00:00.000Z	54 \| moderate	10.819 \| good	47.837 \| good	17.706 \| good	0.643 \| good	3.105 \| good	0.184 \| good
2026-01-25T18:00:00.000Z	54 \| moderate	10.575 \| good	46.938 \| good	17.666 \| good	0.61 \| good	2.872 \| good	0.184 \| good
2026-01-25T19:00:00.000Z	52 \| moderate	10.465 \| good	46.302 \| good	18.61 \| good	0.561 \| good	3.108 \| good	0.186 \| good
2026-01-25T20:00:00.000Z	56 \| moderate	11.731 \| good	52.399 \| good	18.86 \| good	0.513 \| good	3.345 \| good	0.189 \| good
2026-01-25T21:00:00.000Z	56 \| moderate	12.337 \| fine	55.659 \| fine	21.55 \| good	0.464 \| good	3.581 \| good	0.192 \| good
2026-01-25T22:00:00.000Z	60 \| moderate	13.978 \| fine	62.787 \| fine	18.981 \| good	0.459 \| good	4.663 \| good	0.197 \| good
2026-01-25T23:00:00.000Z	62 \| moderate	14.523 \| fine	65.065 \| fine	17.456 \| good	0.454 \| good	5.745 \| good	0.202 \| good
2026-01-26T00:00:00.000Z	58 \| moderate	13.357 \| fine	60.218 \| fine	16.925 \| good	0.449 \| good	6.827 \| good	0.207 \| good
2026-01-26T01:00:00.000Z	58 \| moderate	13.254 \| fine	59.196 \| fine	17.464 \| good	0.502 \| good	6.385 \| good	0.205 \| good
2026-01-26T02:00:00.000Z	58 \| moderate	12.671 \| fine	57.165 \| fine	16.411 \| good	0.554 \| good	5.943 \| good	0.204 \| good
2026-01-26T03:00:00.000Z	56 \| moderate	11.808 \| good	52.04 \| good	14.842 \| good	0.607 \| good	5.501 \| good	0.202 \| good
2026-01-26T04:00:00.000Z	52 \| moderate	10.365 \| good	45.834 \| good	16.066 \| good	0.566 \| good	5.152 \| good	0.203 \| good
2026-01-26T05:00:00.000Z	52 \| moderate	9.796 \| good	43.616 \| good	18.571 \| good	0.526 \| good	4.802 \| good	0.203 \| good
2026-01-26T06:00:00.000Z	52 \| moderate	9.567 \| good	42.616 \| good	18.881 \| good	0.485 \| good	4.453 \| good	0.204 \| good
2026-01-26T07:00:00.000Z	52 \| moderate	10.429 \| good	46.091 \| good	18.395 \| good	0.435 \| good	4.078 \| good	0.203 \| good
2026-01-26T08:00:00.000Z	54 \| moderate	10.692 \| good	47.244 \| good	18.713 \| good	0.386 \| good	3.704 \| good	0.202 \| good
2026-01-26T09:00:00.000Z	54 \| moderate	10.94 \| good	48.442 \| good	19.427 \| good	0.336 \| good	3.33 \| good	0.201 \| good
2026-01-26T10:00:00.000Z	56 \| moderate	12.329 \| fine	55.466 \| fine	21.889 \| good	0.357 \| good	3.286 \| good	0.199 \| good
2026-01-26T11:00:00.000Z	58 \| moderate	13.33 \| fine	59.715 \| fine	21.318 \| good	0.377 \| good	3.241 \| good	0.198 \| good
2026-01-26T12:00:00.000Z	60 \| moderate	14.097 \| fine	63.325 \| fine	18.978 \| good	0.397 \| good	3.197 \| good	0.197 \| good
2026-01-26T13:00:00.000Z	64 \| moderate	16.256 \| fine	72 \| fine	15.047 \| good	0.419 \| good	3.313 \| good	0.207 \| good
2026-01-26T14:00:00.000Z	64 \| moderate	15.898 \| fine	70.367 \| fine	17.743 \| good	0.44 \| good	3.429 \| good	0.216 \| good
2026-01-26T15:00:00.000Z	62 \| moderate	14.971 \| fine	66.848 \| fine	21.234 \| good	0.462 \| good	3.545 \| good	0.226 \| good
2026-01-26T16:00:00.000Z	62 \| moderate	14.862 \| fine	66.259 \| fine	23.007 \| good	0.446 \| good	3.051 \| good	0.224 \| good
2026-01-26T17:00:00.000Z	60 \| moderate	13.504 \| fine	61.252 \| fine	25.029 \| good	0.43 \| good	2.557 \| good	0.221 \| good
2026-01-26T18:00:00.000Z	56 \| moderate	11.718 \| good	51.974 \| good	25.757 \| good	0.414 \| good	2.063 \| good	0.219 \| good
2026-01-26T19:00:00.000Z	54 \| moderate	10.781 \| good	47.849 \| good	26.905 \| good	0.443 \| good	2.349 \| good	0.216 \| good
2026-01-26T20:00:00.000Z	52 \| moderate	9.626 \| good	42.676 \| good	25.251 \| good	0.472 \| good	2.635 \| good	0.214 \| good
2026-01-26T21:00:00.000Z	49 \| good	8.665 \| good	37.875 \| good	24.129 \| good	0.5 \| good	2.922 \| good	0.211 \| good
2026-01-26T22:00:00.000Z	49 \| good	8.988 \| good	40.013 \| good	24.594 \| good	0.478 \| good	4.017 \| good	0.213 \| good
2026-01-26T23:00:00.000Z	49 \| good	9.25 \| good	41.287 \| good	24.391 \| good	0.457 \| good	5.113 \| good	0.215 \| good
2026-01-27T00:00:00.000Z	44 \| good	8.356 \| good	36.626 \| good	23.473 \| good	0.435 \| good	6.209 \| good	0.217 \| good
2026-01-27T01:00:00.000Z	49 \| good	8.578 \| good	37.192 \| good	22.723 \| good	0.418 \| good	5.706 \| good	0.211 \| good
2026-01-27T02:00:00.000Z	44 \| good	7.606 \| good	33.518 \| good	24.246 \| good	0.401 \| good	5.202 \| good	0.205 \| good
2026-01-27T03:00:00.000Z	33 \| good	6.405 \| good	28.644 \| good	24.577 \| good	0.384 \| good	4.699 \| good	0.198 \| good
2026-01-27T04:00:00.000Z	27 \| good	4.861 \| good	21 \| good	23.804 \| good	0.377 \| good	4.2 \| good	0.193 \| good
2026-01-27T05:00:00.000Z	23 \| good	4.152 \| good	18.278 \| good	24.779 \| good	0.37 \| good	3.7 \| good	0.188 \| good
2026-01-27T06:00:00.000Z	52 \| moderate	10.327 \| good	10.983 \| good	31.671 \| good	0.365 \| good	3.214 \| good	0.183 \| good
2026-01-27T07:00:00.000Z	25 \| good	4.421 \| good	19.125 \| good	27.218 \| good	0.332 \| good	2.992 \| good	0.181 \| good
2026-01-27T08:00:00.000Z	27 \| good	5.313 \| good	22.855 \| good	26.351 \| good	0.301 \| good	2.782 \| good	0.178 \| good
2026-01-27T09:00:00.000Z	33 \| good	6.218 \| good	27.765 \| good	24.885 \| good	0.27 \| good	2.572 \| good	0.176 \| good
2026-01-27T10:00:00.000Z	44 \| good	8.237 \| good	36.029 \| good	26.539 \| good	0.26 \| good	2.424 \| good	0.175 \| good
2026-01-27T11:00:00.000Z	52 \| moderate	10.213 \| good	45.15 \| good	25.634 \| good	0.25 \| good	2.277 \| good	0.173 \| good
2026-01-27T12:00:00.000Z	49 \| good	9.01 \| good	9.309 \| good	34.168 \| good	0.239 \| good	2.135 \| good	0.172 \| good
2026-01-27T13:00:00.000Z	38 \| good	7.394 \| good	7.587 \| good	34.983 \| good	0.273 \| good	2.014 \| good	0.17 \| 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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Air quality in nearby cities

Greenfield, Wisconsin

Franklin, Wisconsin

West Allis, Wisconsin

New Berlin, Wisconsin

Cudahy, Wisconsin

South Milwaukee, 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?

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