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

The current PM10 concentration at Monroe, Wisconsin is 34.975 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Monroe, Wisconsin is 2.056 ppb.

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

The current ozone (O3) concentration at Monroe, Wisconsin is 48.369 ppm.

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

The current nitrogen dioxide (NO2) concentration at Monroe, Wisconsin is 2.803 ppb.

Monroe, Wisconsin live air quality index now

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

The current PM2.5 concentration at Monroe, Wisconsin is 8.344 μg/m3.

Stay updated with real-time air quality in Monroe, 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

Monroe, Wisconsin

Last updated: ... (Local time)

Major air pollutants in Monroe, Wisconsin

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

8.34 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

34.98 μg/m³

155

255

425

605+

Ozone (O₃)

48.37 ppb

201

201+

Sulfur Dioxide (SO₂)

2.06 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.80 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.21 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Monroe, Wisconsin

Scroll To Air Quality Map

Track live Monroe, Wisconsin air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-04-22T04:00:00.000Z	44 \| good	8.383 \| good	39.237 \| good	36.048 \| good	0.415 \| good	11.072 \| good	0.291 \| good
2026-04-22T05:00:00.000Z	52 \| moderate	10.097 \| good	40.485 \| good	41.002 \| good	0.481 \| good	10.63 \| good	0.26 \| good
2026-04-22T06:00:00.000Z	49 \| good	9.459 \| good	41.215 \| good	40.82 \| good	0.481 \| good	14.72 \| good	0.26 \| good
2026-04-22T07:00:00.000Z	44 \| good	8.43 \| good	31.2 \| good	39.19 \| good	0.48 \| good	14.261 \| good	0.237 \| good
2026-04-22T08:00:00.000Z	49 \| good	8.791 \| good	31.138 \| good	35.49 \| good	0.459 \| good	9.054 \| good	0.215 \| good
2026-04-22T09:00:00.000Z	58 \| moderate	12.685 \| fine	39.176 \| good	27.168 \| good	0.293 \| good	11.518 \| good	0.228 \| good
2026-04-22T10:00:00.000Z	44 \| good	7.85 \| good	30.554 \| good	27.495 \| good	0.273 \| good	11.48 \| good	0.238 \| good
2026-04-22T11:00:00.000Z	38 \| good	7.237 \| good	34.194 \| good	26.115 \| good	0.24 \| good	12.593 \| good	0.231 \| good
2026-04-22T12:00:00.000Z	38 \| good	6.665 \| good	30.183 \| good	30.442 \| good	0.188 \| good	13.614 \| good	0.24 \| good
2026-04-22T13:00:00.000Z	27 \| good	4.952 \| good	24.816 \| good	29.183 \| good	0.188 \| good	11.616 \| good	0.231 \| good
2026-04-22T14:00:00.000Z	38 \| good	7.035 \| good	20.979 \| good	30.583 \| good	0.269 \| good	8.386 \| good	0.226 \| good
2026-04-22T15:00:00.000Z	38 \| good	6.961 \| good	28.137 \| good	32.078 \| good	0.301 \| good	5.271 \| good	0.18 \| good
2026-04-22T16:00:00.000Z	44 \| good	8.257 \| good	31.858 \| good	43.29 \| good	0.4 \| good	4.851 \| good	0.158 \| good
2026-04-22T17:00:00.000Z	49 \| good	9.316 \| good	34.017 \| good	44.895 \| good	0.275 \| good	4.757 \| good	0.166 \| good
2026-04-22T18:00:00.000Z	49 \| good	9.48 \| good	43.341 \| good	49.84 \| good	0.552 \| good	6.215 \| good	0.193 \| good
2026-04-22T19:00:00.000Z	49 \| good	8.71 \| good	38.73 \| good	51.162 \| good	1.114 \| good	5.864 \| good	0.193 \| good
2026-04-22T20:00:00.000Z	49 \| good	9.215 \| good	39.632 \| good	49.113 \| good	1.143 \| good	3.52 \| good	0.18 \| good
2026-04-22T21:00:00.000Z	64 \| moderate	12.591 \| fine	54.882 \| good	59.403 \| fine	0.881 \| good	3.122 \| good	0.19 \| good
2026-04-22T22:00:00.000Z	71 \| moderate	12.497 \| fine	54.228 \| good	60.775 \| fine	0.828 \| good	1.775 \| good	0.19 \| good
2026-04-22T23:00:00.000Z	64 \| moderate	11.015 \| good	42.885 \| good	58.957 \| fine	0.783 \| good	2.019 \| good	0.19 \| good
2026-04-23T00:00:00.000Z	54 \| moderate	11.136 \| good	52.835 \| good	54.466 \| good	0.709 \| good	3.048 \| good	0.168 \| good
2026-04-23T01:00:00.000Z	54 \| moderate	10.603 \| good	39.545 \| good	55.296 \| fine	0.479 \| good	2.931 \| good	0.218 \| good
2026-04-23T02:00:00.000Z	52 \| moderate	9.951 \| good	41.481 \| good	53.871 \| good	0.417 \| good	3.305 \| good	0.192 \| good
2026-04-23T03:00:00.000Z	46 \| good	7.934 \| good	48.33 \| good	50.169 \| good	0.343 \| good	2.497 \| good	0.173 \| good
2026-04-23T04:00:00.000Z	46 \| good	7.422 \| good	37.719 \| good	49.741 \| good	0.287 \| good	3.669 \| good	0.209 \| good
2026-04-23T05:00:00.000Z	43 \| good	6.309 \| good	29.866 \| good	46.267 \| good	0.245 \| good	4.682 \| good	0.16 \| good
2026-04-23T06:00:00.000Z	38 \| good	7.087 \| good	31.208 \| good	36.011 \| good	0.184 \| good	10.979 \| good	0.182 \| good
2026-04-23T07:00:00.000Z	38 \| good	6.907 \| good	30.606 \| good	32.74 \| good	0.239 \| good	11.282 \| good	0.151 \| good
2026-04-23T08:00:00.000Z	29 \| good	5.357 \| good	23.317 \| good	30.61 \| good	0.366 \| good	11.965 \| good	0.151 \| good
2026-04-23T09:00:00.000Z	28 \| good	4.558 \| good	17.978 \| good	29.996 \| good	0.447 \| good	11.615 \| good	0.151 \| good
2026-04-23T10:00:00.000Z	38 \| good	6.63 \| good	21.644 \| good	34.165 \| good	0.755 \| good	7.456 \| good	0.163 \| good
2026-04-23T11:00:00.000Z	58 \| moderate	12.724 \| fine	46.524 \| good	35.059 \| good	0.516 \| good	7.877 \| good	0.214 \| good
2026-04-23T12:00:00.000Z	52 \| moderate	9.875 \| good	50.121 \| good	27.122 \| good	0.302 \| good	5.727 \| good	0.246 \| good
2026-04-23T13:00:00.000Z	54 \| moderate	10.391 \| good	62.105 \| fine	27.598 \| good	0.403 \| good	5.514 \| good	0.236 \| good
2026-04-23T14:00:00.000Z	62 \| moderate	9.314 \| good	77.645 \| fine	27.473 \| good	0.603 \| good	8.166 \| good	0.24 \| good
2026-04-23T15:00:00.000Z	52 \| moderate	7.366 \| good	56.952 \| fine	28.672 \| good	0.728 \| good	3.097 \| good	0.218 \| good
2026-04-23T16:00:00.000Z	32 \| good	5.439 \| good	17.711 \| good	35.179 \| good	0.886 \| good	2.042 \| good	0.196 \| good
2026-04-23T17:00:00.000Z	34 \| good	5.359 \| good	23.426 \| good	36.549 \| good	0.562 \| good	1.593 \| good	0.218 \| good
2026-04-23T18:00:00.000Z	39 \| good	4.762 \| good	16.192 \| good	41.984 \| good	0.665 \| good	0.955 \| good	0.141 \| good
2026-04-23T19:00:00.000Z	39 \| good	4.781 \| good	19.649 \| good	42.388 \| good	0.687 \| good	0.977 \| good	0.16 \| good
2026-04-23T20:00:00.000Z	44 \| good	5.318 \| good	32.918 \| good	46.685 \| good	0.997 \| good	1.699 \| good	0.158 \| good
2026-04-23T21:00:00.000Z	44 \| good	5.411 \| good	22.336 \| good	47.624 \| good	1.455 \| good	1.107 \| good	0.158 \| good
2026-04-23T22:00:00.000Z	46 \| good	5.431 \| good	26.635 \| good	49.945 \| good	1.381 \| good	1.048 \| good	0.158 \| good
2026-04-23T23:00:00.000Z	43 \| good	5.97 \| good	28.67 \| good	46.083 \| good	1.117 \| good	1.319 \| good	0.132 \| good
2026-04-24T00:00:00.000Z	43 \| good	6.601 \| good	35.009 \| good	45.875 \| good	1.374 \| good	1.15 \| good	0.158 \| good
2026-04-24T01:00:00.000Z	46 \| good	7.422 \| good	39.209 \| good	49.549 \| good	1.844 \| good	1.631 \| good	0.168 \| good
2026-04-24T02:00:00.000Z	44 \| good	8.344 \| good	34.975 \| good	48.369 \| good	2.056 \| good	2.803 \| good	0.209 \| good
2026-04-24T03:00:00.000Z	46 \| good	3.481 \| good	15.24 \| good	50.331 \| good	0.497 \| good	1.907 \| good	0.154 \| good
2026-04-24T03:00:00.000Z	44 \| good	8.344 \| good	34.975 \| good	48.369 \| good	2.056 \| good	2.803 \| good	0.209 \| good
2026-04-24T04:00:00.000Z	44 \| good	5.088 \| good	21.901 \| good	46.557 \| good	0.454 \| good	1.852 \| good	0.153 \| good
2026-04-24T05:00:00.000Z	42 \| good	3.875 \| good	16.962 \| good	45.193 \| good	0.44 \| good	1.831 \| good	0.152 \| good
2026-04-24T06:00:00.000Z	41 \| good	2.783 \| good	11.436 \| good	44.174 \| good	0.426 \| good	1.81 \| good	0.15 \| good
2026-04-24T07:00:00.000Z	39 \| good	2.448 \| good	10.023 \| good	41.858 \| good	0.36 \| good	1.686 \| good	0.146 \| good
2026-04-24T08:00:00.000Z	38 \| good	2.248 \| good	9.411 \| good	41.119 \| good	0.294 \| good	1.563 \| good	0.141 \| good
2026-04-24T09:00:00.000Z	36 \| good	1.894 \| good	7.959 \| good	39.194 \| good	0.227 \| good	1.44 \| good	0.137 \| good
2026-04-24T10:00:00.000Z	36 \| good	2.464 \| good	10.143 \| good	38.701 \| good	0.214 \| good	1.502 \| good	0.136 \| good
2026-04-24T11:00:00.000Z	34 \| good	5.437 \| good	23.441 \| good	37.338 \| good	0.202 \| good	1.564 \| good	0.135 \| good
2026-04-24T12:00:00.000Z	31 \| good	5.296 \| good	22.825 \| good	34.186 \| good	0.189 \| good	1.627 \| good	0.134 \| good
2026-04-24T13:00:00.000Z	31 \| good	1.401 \| good	5.492 \| good	32.817 \| good	0.165 \| good	1.491 \| good	0.139 \| good
2026-04-24T14:00:00.000Z	29 \| good	1.128 \| good	4.489 \| good	31.218 \| good	0.141 \| good	1.356 \| good	0.143 \| good
2026-04-24T15:00:00.000Z	31 \| good	0.744 \| good	2.934 \| good	33.001 \| good	0.118 \| good	1.22 \| good	0.147 \| good
2026-04-24T16:00:00.000Z	32 \| good	1.073 \| good	4.477 \| good	34.761 \| good	0.109 \| good	0.973 \| good	0.148 \| good
2026-04-24T17:00:00.000Z	34 \| good	1.88 \| good	8 \| good	36.682 \| good	0.1 \| good	0.726 \| good	0.15 \| good
2026-04-24T18:00:00.000Z	36 \| good	2.413 \| good	10 \| good	39.433 \| good	0.091 \| good	0.478 \| good	0.151 \| good
2026-04-24T19:00:00.000Z	39 \| good	2.816 \| good	12 \| good	41.775 \| good	0.09 \| good	0.466 \| good	0.15 \| good
2026-04-24T20:00:00.000Z	43 \| good	3.086 \| good	13.046 \| good	46.112 \| good	0.089 \| good	0.455 \| good	0.149 \| good
2026-04-24T21:00:00.000Z	46 \| good	3.011 \| good	12.207 \| good	49.669 \| good	0.087 \| good	0.443 \| good	0.148 \| good
2026-04-24T22:00:00.000Z	45 \| good	3.323 \| good	14.508 \| good	49.366 \| good	0.088 \| good	0.737 \| good	0.148 \| good
2026-04-24T23:00:00.000Z	46 \| good	3.205 \| good	14.075 \| good	49.775 \| good	0.089 \| good	1.032 \| good	0.148 \| good
2026-04-25T00:00:00.000Z	43 \| good	2.704 \| good	11.309 \| good	45.564 \| good	0.089 \| good	1.326 \| good	0.148 \| good
2026-04-25T01:00:00.000Z	33 \| good	2.285 \| good	9.386 \| good	36.275 \| good	0.101 \| good	1.69 \| good	0.151 \| good
2026-04-25T02:00:00.000Z	31 \| good	2.688 \| good	11.309 \| good	32.971 \| good	0.114 \| good	2.054 \| good	0.153 \| good
2026-04-25T03:00:00.000Z	30 \| good	3.64 \| good	15.941 \| good	32.299 \| good	0.126 \| good	2.418 \| good	0.155 \| good
2026-04-25T04:00:00.000Z	30 \| good	4.368 \| good	18.901 \| good	31.598 \| good	0.153 \| good	2.665 \| good	0.157 \| good
2026-04-25T05:00:00.000Z	30 \| good	4.224 \| good	18.513 \| good	31.596 \| good	0.18 \| good	2.911 \| good	0.159 \| good
2026-04-25T06:00:00.000Z	27 \| good	3.312 \| good	14.407 \| good	29.108 \| good	0.207 \| good	3.158 \| good	0.161 \| good
2026-04-25T07:00:00.000Z	27 \| good	3.105 \| good	12.983 \| good	28.624 \| good	0.271 \| good	3.139 \| good	0.16 \| good
2026-04-25T08:00:00.000Z	25 \| good	2.564 \| good	10.477 \| good	27.474 \| good	0.336 \| good	3.12 \| good	0.159 \| good
2026-04-25T09:00:00.000Z	24 \| good	2.728 \| good	11 \| good	25.789 \| good	0.4 \| good	3.101 \| good	0.158 \| good
2026-04-25T10:00:00.000Z	21 \| good	3.231 \| good	14.439 \| good	22.949 \| good	0.434 \| good	3.001 \| good	0.16 \| good
2026-04-25T11:00:00.000Z	33 \| good	5.634 \| good	24.468 \| good	24.158 \| good	0.469 \| good	2.901 \| good	0.162 \| good
2026-04-25T12:00:00.000Z	26 \| good	4.347 \| good	19.004 \| good	27.616 \| good	0.503 \| good	2.8 \| good	0.164 \| good
2026-04-25T13:00:00.000Z	32 \| good	3.66 \| good	16 \| good	35.276 \| good	0.396 \| good	2.345 \| good	0.168 \| good
2026-04-25T14:00:00.000Z	36 \| good	2.974 \| good	12 \| good	38.631 \| good	0.29 \| good	1.89 \| good	0.171 \| good
2026-04-25T15:00:00.000Z	38 \| good	2.215 \| good	9.079 \| good	40.569 \| good	0.183 \| good	1.435 \| good	0.175 \| good
2026-04-25T16:00:00.000Z	39 \| good	2.005 \| good	8.079 \| good	42.366 \| good	0.175 \| good	1.17 \| good	0.169 \| good
2026-04-25T17:00:00.000Z	42 \| good	2.048 \| good	8.483 \| good	44.76 \| good	0.168 \| good	0.905 \| good	0.163 \| good
2026-04-25T18:00:00.000Z	44 \| good	2.02 \| good	8.117 \| good	47.474 \| good	0.16 \| good	0.64 \| good	0.157 \| good
2026-04-25T19:00:00.000Z	46 \| good	2.649 \| good	10.561 \| good	49.721 \| good	0.17 \| good	0.612 \| good	0.154 \| good
2026-04-25T20:00:00.000Z	49 \| good	3.695 \| good	16.064 \| good	53.076 \| good	0.181 \| good	0.584 \| good	0.151 \| good
2026-04-25T21:00:00.000Z	49 \| good	3.987 \| good	17.485 \| good	53.322 \| good	0.191 \| good	0.555 \| good	0.148 \| good
2026-04-25T22:00:00.000Z	48 \| good	4.238 \| good	18.573 \| good	52.418 \| good	0.201 \| good	1.077 \| good	0.152 \| good
2026-04-25T23:00:00.000Z	46 \| good	3.907 \| good	17.348 \| good	50.486 \| good	0.211 \| good	1.599 \| good	0.155 \| good
2026-04-26T00:00:00.000Z	42 \| good	2.513 \| good	2.976 \| good	44.823 \| good	0.221 \| good	2.119 \| good	0.158 \| good
2026-04-26T01:00:00.000Z	42 \| good	2.139 \| good	8.589 \| good	44.833 \| good	0.258 \| good	2.933 \| good	0.164 \| good
2026-04-26T02:00:00.000Z	35 \| good	3.291 \| good	14.263 \| good	38.411 \| good	0.295 \| good	3.744 \| good	0.17 \| good
2026-04-26T03:00:00.000Z	33 \| good	4.426 \| good	19.097 \| good	35.511 \| good	0.332 \| good	4.556 \| good	0.176 \| good

Monroe

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Monroe, Wisconsin air quality map: Track AQI near you

0.21ppm

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 Monroe, Wisconsin updated?

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

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

The worst air quality in Monroe, Wisconsin in the last 24 hours was observed at 02:00:00 on 2026-04-23.

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

In the last 24 hrs, the best air quality in Monroe, Wisconsin was observed at 09:00:00 on 2026-04-23.

What is the current air quality in Monroe, Wisconsin?

The current air quality in Monroe, Wisconsin is 44, categorized as Good based on real-time data.

What pollutant is the most common in Monroe, Wisconsin?

The most common pollutant in Monroe, Wisconsin is O3.

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

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

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

The current PM_2.5 concentration at Monroe, Wisconsin is 8.344 μg/m³.

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

The current PM₁₀ concentration at Monroe, Wisconsin is 34.975 μg/m³.

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

The current carbon monoxide (CO) concentration at Monroe, Wisconsin is 0.209 ppm.

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

The current sulfur dioxide (SO₂) concentration at Monroe, Wisconsin is 2.056 ppb.

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

The current ozone (O₃) concentration at Monroe, Wisconsin is 48.369 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Monroe, Wisconsin is 2.803 ppb.

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