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

The current PM10 concentration at Monroe, Wisconsin is 6.992 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Monroe, Wisconsin is 0.14 ppb.

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

The current ozone (O3) concentration at Monroe, Wisconsin is 21.323 ppm.

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

The current nitrogen dioxide (NO2) concentration at Monroe, Wisconsin is 4.789 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 2.322 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)

2.32 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

6.99 μg/m³

155

255

425

605+

Ozone (O₃)

21.32 ppb

201

201+

Sulfur Dioxide (SO₂)

0.14 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

4.79 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.20 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
2026-03-09T17:00:00.000Z	30 \| good	4.429 \| good	14.024 \| good	32.386 \| good	0.332 \| good	4.343 \| good	0.133 \| good
2026-03-09T18:00:00.000Z	33 \| good	5.994 \| good	21.455 \| good	26.115 \| good	0.514 \| good	4.383 \| good	0.156 \| good
2026-03-09T19:00:00.000Z	34 \| good	5.203 \| good	19.786 \| good	37.279 \| good	0.722 \| good	3.988 \| good	0.183 \| good
2026-03-09T20:00:00.000Z	37 \| good	4.801 \| good	25.903 \| good	39.568 \| good	0.804 \| good	1.968 \| good	0.183 \| good
2026-03-09T21:00:00.000Z	41 \| good	5.023 \| good	28.273 \| good	43.884 \| good	0.584 \| good	1.952 \| good	0.229 \| good
2026-03-09T22:00:00.000Z	44 \| good	5.12 \| good	24.077 \| good	46.574 \| good	0.692 \| good	2.356 \| good	0.206 \| good
2026-03-09T23:00:00.000Z	42 \| good	5.602 \| good	28.664 \| good	45.455 \| good	0.855 \| good	2.416 \| good	0.216 \| good
2026-03-10T00:00:00.000Z	45 \| good	6.086 \| good	32.362 \| good	48.871 \| good	0.451 \| good	2.718 \| good	0.249 \| good
2026-03-10T01:00:00.000Z	44 \| good	5.98 \| good	27.458 \| good	46.629 \| good	0.66 \| good	6.291 \| good	0.259 \| good
2026-03-10T02:00:00.000Z	44 \| good	6.046 \| good	23.823 \| good	46.885 \| good	1.053 \| good	12.104 \| good	0.279 \| good
2026-03-10T03:00:00.000Z	27 \| good	4.68 \| good	20.401 \| good	29.057 \| good	0.611 \| good	9.204 \| good	0.239 \| good
2026-03-10T04:00:00.000Z	49 \| good	9.08 \| good	38.772 \| good	26.251 \| good	0.871 \| good	8.56 \| good	0.269 \| good
2026-03-10T05:00:00.000Z	49 \| good	9.215 \| good	40.655 \| good	31.16 \| good	0.725 \| good	5.319 \| good	0.296 \| good
2026-03-10T06:00:00.000Z	52 \| moderate	9.522 \| good	42.409 \| good	22.13 \| good	0.516 \| good	5.112 \| good	0.236 \| good
2026-03-10T07:00:00.000Z	52 \| moderate	9.691 \| good	29.648 \| good	24.11 \| good	0.517 \| good	4.983 \| good	0.236 \| good
2026-03-10T08:00:00.000Z	44 \| good	8.435 \| good	38.028 \| good	17.752 \| good	0.344 \| good	4.342 \| good	0.16 \| good
2026-03-10T09:00:00.000Z	49 \| good	9.148 \| good	29.458 \| good	17.198 \| good	0.285 \| good	3.631 \| good	0.17 \| good
2026-03-10T10:00:00.000Z	44 \| good	8.434 \| good	33.932 \| good	15.765 \| good	0.267 \| good	4.14 \| good	0.17 \| good
2026-03-10T11:00:00.000Z	49 \| good	9.131 \| good	37.751 \| good	14.635 \| good	0.313 \| good	5.912 \| good	0.203 \| good
2026-03-10T12:00:00.000Z	22 \| good	3.828 \| good	14.728 \| good	19.241 \| good	0.233 \| good	7.186 \| good	0.226 \| good
2026-03-10T13:00:00.000Z	27 \| good	4.842 \| good	23.157 \| good	19.47 \| good	0.233 \| good	7.254 \| good	0.226 \| good
2026-03-10T14:00:00.000Z	27 \| good	4.745 \| good	24.324 \| good	16.492 \| good	0.324 \| good	6.204 \| good	0.193 \| good
2026-03-10T15:00:00.000Z	22 \| good	4.471 \| good	14.918 \| good	15.281 \| good	0.348 \| good	7.21 \| good	0.203 \| good
2026-03-10T16:00:00.000Z	27 \| good	5.346 \| good	27.781 \| good	19.149 \| good	0.362 \| good	5.229 \| good	0.241 \| good
2026-03-10T17:00:00.000Z	27 \| good	5.441 \| good	22.31 \| good	25.326 \| good	0.432 \| good	5.635 \| good	0.216 \| good
2026-03-10T18:00:00.000Z	50 \| good	9.27 \| good	53.683 \| good	29.01 \| good	0.282 \| good	5.145 \| good	0.216 \| good
2026-03-10T19:00:00.000Z	54 \| moderate	10.971 \| good	41.412 \| good	26.028 \| good	0.213 \| good	4.72 \| good	0.183 \| good
2026-03-10T20:00:00.000Z	49 \| good	9.059 \| good	35.133 \| good	27.541 \| good	0.202 \| good	4.452 \| good	0.183 \| good
2026-03-10T21:00:00.000Z	38 \| good	6.547 \| good	28.367 \| good	32.096 \| good	0.232 \| good	5.28 \| good	0.206 \| good
2026-03-10T22:00:00.000Z	33 \| good	5.54 \| good	23.885 \| good	30.113 \| good	0.283 \| good	5.405 \| good	0.206 \| good
2026-03-10T23:00:00.000Z	49 \| good	9.08 \| good	41.18 \| good	28.706 \| good	0.226 \| good	5.152 \| good	0.226 \| good
2026-03-11T00:00:00.000Z	49 \| good	9.087 \| good	39.882 \| good	24.109 \| good	0.211 \| good	4.956 \| good	0.193 \| good
2026-03-11T01:00:00.000Z	44 \| good	8.218 \| good	38.797 \| good	26.818 \| good	0.364 \| good	3.843 \| good	0.193 \| good
2026-03-11T02:00:00.000Z	43 \| good	4.631 \| good	46.245 \| good	26.685 \| good	0.292 \| good	3.769 \| good	0.143 \| good
2026-03-11T03:00:00.000Z	27 \| good	5.364 \| good	25.449 \| good	25.828 \| good	0.339 \| good	3.86 \| good	0.17 \| good
2026-03-11T04:00:00.000Z	27 \| good	4.539 \| good	22.728 \| good	25.896 \| good	0.301 \| good	3.924 \| good	0.143 \| good
2026-03-11T05:00:00.000Z	27 \| good	4.016 \| good	29.128 \| good	28.129 \| good	0.258 \| good	5.99 \| good	0.17 \| good
2026-03-11T06:00:00.000Z	24 \| good	3.845 \| good	23.3 \| good	25.748 \| good	0.26 \| good	3.814 \| good	0.17 \| good
2026-03-11T07:00:00.000Z	22 \| good	3.658 \| good	23.106 \| good	23.557 \| good	0.26 \| good	3.928 \| good	0.17 \| good
2026-03-11T08:00:00.000Z	23 \| good	3.964 \| good	25.015 \| good	18.231 \| good	0.274 \| good	3.615 \| good	0.143 \| good
2026-03-11T09:00:00.000Z	25 \| good	3.948 \| good	22.916 \| good	26.835 \| good	0.369 \| good	4.945 \| good	0.143 \| good
2026-03-11T10:00:00.000Z	27 \| good	3.178 \| good	8.943 \| good	28.823 \| good	0.261 \| good	4.699 \| good	0.143 \| good
2026-03-11T11:00:00.000Z	23 \| good	2.419 \| good	7.461 \| good	25.241 \| good	0.199 \| good	6.379 \| good	0.143 \| good
2026-03-11T12:00:00.000Z	20 \| good	2.225 \| good	11.099 \| good	22.35 \| good	0.265 \| good	7.386 \| good	0.166 \| good
2026-03-11T13:00:00.000Z	22 \| good	2.171 \| good	13.37 \| good	23.954 \| good	0.246 \| good	7.283 \| good	0.166 \| good
2026-03-11T14:00:00.000Z	22 \| good	1.696 \| good	17.087 \| good	23.608 \| good	0.213 \| good	6.611 \| good	0.185 \| good
2026-03-11T15:00:00.000Z	21 \| good	2.004 \| good	7.711 \| good	22.93 \| good	0.289 \| good	5.149 \| good	0.162 \| good
2026-03-11T16:00:00.000Z	19 \| good	2.322 \| good	6.992 \| good	21.323 \| good	0.14 \| good	4.789 \| good	0.203 \| good
2026-03-11T16:00:00.000Z	19 \| good	2.322 \| good	6.992 \| good	21.323 \| good	0.14 \| good	4.789 \| good	0.203 \| good
2026-03-11T17:00:00.000Z	19 \| good	2.283 \| good	9.348 \| good	21.311 \| good	0.474 \| good	0.97 \| good	0.151 \| good
2026-03-11T18:00:00.000Z	21 \| good	1.72 \| good	7.309 \| good	23.366 \| good	0.475 \| good	0.746 \| good	0.149 \| good
2026-03-11T19:00:00.000Z	23 \| good	1.581 \| good	6.44 \| good	25.199 \| good	0.38 \| good	0.639 \| good	0.145 \| good
2026-03-11T20:00:00.000Z	26 \| good	1.195 \| good	4.921 \| good	28.357 \| good	0.285 \| good	0.532 \| good	0.142 \| good
2026-03-11T21:00:00.000Z	27 \| good	0.968 \| good	3.881 \| good	29.336 \| good	0.191 \| good	0.425 \| good	0.138 \| good
2026-03-11T22:00:00.000Z	28 \| good	0.616 \| good	2 \| good	30.461 \| good	0.18 \| good	0.612 \| good	0.14 \| good
2026-03-11T23:00:00.000Z	31 \| good	0.55 \| good	2 \| good	32.844 \| good	0.17 \| good	0.798 \| good	0.142 \| good
2026-03-12T00:00:00.000Z	30 \| good	0.56 \| good	2 \| good	32.35 \| good	0.159 \| good	0.985 \| good	0.144 \| good
2026-03-12T01:00:00.000Z	27 \| good	0.761 \| good	2.948 \| good	28.966 \| good	0.182 \| good	1.12 \| good	0.146 \| good
2026-03-12T02:00:00.000Z	27 \| good	1.042 \| good	4.125 \| good	28.942 \| good	0.205 \| good	1.255 \| good	0.148 \| good
2026-03-12T03:00:00.000Z	27 \| good	2.123 \| good	8.935 \| good	29.202 \| good	0.228 \| good	1.39 \| good	0.151 \| good
2026-03-12T04:00:00.000Z	26 \| good	3.005 \| good	12.263 \| good	27.552 \| good	0.273 \| good	1.491 \| good	0.153 \| good
2026-03-12T05:00:00.000Z	24 \| good	3.454 \| good	15.458 \| good	26.357 \| good	0.318 \| good	1.591 \| good	0.155 \| good
2026-03-12T06:00:00.000Z	23 \| good	3.65 \| good	16 \| good	25.248 \| good	0.362 \| good	1.692 \| good	0.157 \| good
2026-03-12T07:00:00.000Z	22 \| good	4.168 \| good	18.075 \| good	24.326 \| good	0.353 \| good	1.649 \| good	0.157 \| good
2026-03-12T08:00:00.000Z	27 \| good	4.512 \| good	19.642 \| good	24.749 \| good	0.343 \| good	1.606 \| good	0.157 \| good
2026-03-12T09:00:00.000Z	27 \| good	4.786 \| good	20.957 \| good	25.136 \| good	0.333 \| good	1.562 \| good	0.156 \| good
2026-03-12T10:00:00.000Z	27 \| good	4.54 \| good	19.642 \| good	24.524 \| good	0.299 \| good	1.552 \| good	0.156 \| good
2026-03-12T11:00:00.000Z	22 \| good	4.443 \| good	19.421 \| good	23.901 \| good	0.265 \| good	1.541 \| good	0.156 \| good
2026-03-12T12:00:00.000Z	27 \| good	4.521 \| good	19.642 \| good	22.92 \| good	0.231 \| good	1.531 \| good	0.156 \| good
2026-03-12T13:00:00.000Z	27 \| good	5.234 \| good	22.513 \| good	25.306 \| good	0.253 \| good	1.512 \| good	0.157 \| good
2026-03-12T14:00:00.000Z	27 \| good	4.304 \| good	18.574 \| good	29.337 \| good	0.274 \| good	1.493 \| good	0.159 \| good
2026-03-12T15:00:00.000Z	31 \| good	3.028 \| good	12.947 \| good	33.808 \| good	0.296 \| good	1.475 \| good	0.161 \| good
2026-03-12T16:00:00.000Z	33 \| good	2.992 \| good	12.593 \| good	36.221 \| good	0.326 \| good	1.197 \| good	0.155 \| good
2026-03-12T17:00:00.000Z	35 \| good	4.499 \| good	19.54 \| good	37.894 \| good	0.356 \| good	0.919 \| good	0.15 \| good
2026-03-12T18:00:00.000Z	35 \| good	4.647 \| good	20.395 \| good	38.137 \| good	0.386 \| good	0.641 \| good	0.144 \| good
2026-03-12T19:00:00.000Z	36 \| good	4.629 \| good	20.323 \| good	38.828 \| good	0.39 \| good	0.683 \| good	0.138 \| good
2026-03-12T20:00:00.000Z	35 \| good	5.592 \| good	23.996 \| good	37.702 \| good	0.394 \| good	0.725 \| good	0.132 \| good
2026-03-12T21:00:00.000Z	38 \| good	7.053 \| good	31.361 \| good	39.431 \| good	0.397 \| good	0.767 \| good	0.126 \| good
2026-03-12T22:00:00.000Z	44 \| good	7.696 \| good	33.927 \| good	40.769 \| good	0.386 \| good	0.937 \| good	0.129 \| good
2026-03-12T23:00:00.000Z	37 \| good	5.472 \| good	23.517 \| good	40.394 \| good	0.375 \| good	1.108 \| good	0.132 \| good
2026-03-13T00:00:00.000Z	36 \| good	4.414 \| good	19.09 \| good	38.78 \| good	0.364 \| good	1.278 \| good	0.135 \| good
2026-03-13T01:00:00.000Z	34 \| good	5.375 \| good	22.996 \| good	36.854 \| good	0.37 \| good	1.191 \| good	0.135 \| good
2026-03-13T02:00:00.000Z	34 \| good	5.767 \| good	24.745 \| good	37.422 \| good	0.377 \| good	1.103 \| good	0.135 \| good
2026-03-13T03:00:00.000Z	34 \| good	5.432 \| good	23.119 \| good	36.697 \| good	0.384 \| good	1.016 \| good	0.135 \| good
2026-03-13T04:00:00.000Z	32 \| good	4.859 \| good	21.063 \| good	34.885 \| good	0.37 \| good	0.963 \| good	0.134 \| good
2026-03-13T05:00:00.000Z	31 \| good	4.655 \| good	19.95 \| good	33.764 \| good	0.357 \| good	0.91 \| good	0.132 \| good
2026-03-13T06:00:00.000Z	32 \| good	4.206 \| good	18.533 \| good	34.76 \| good	0.343 \| good	0.857 \| good	0.13 \| good
2026-03-13T07:00:00.000Z	41 \| good	3.416 \| good	15.041 \| good	43.7 \| good	0.294 \| good	0.775 \| good	0.127 \| good
2026-03-13T08:00:00.000Z	41 \| good	2.53 \| good	10.471 \| good	43.941 \| good	0.244 \| good	0.694 \| good	0.124 \| good
2026-03-13T09:00:00.000Z	35 \| good	2.896 \| good	11.758 \| good	37.588 \| good	0.195 \| good	0.613 \| good	0.121 \| good
2026-03-13T10:00:00.000Z	33 \| good	3.22 \| good	13.964 \| good	35.791 \| good	0.171 \| good	0.613 \| good	0.128 \| good
2026-03-13T11:00:00.000Z	31 \| good	2.025 \| good	8.023 \| good	33.597 \| good	0.147 \| good	0.613 \| good	0.136 \| good
2026-03-13T12:00:00.000Z	29 \| good	1.017 \| good	4.007 \| good	30.802 \| good	0.122 \| good	0.613 \| good	0.143 \| good
2026-03-13T13:00:00.000Z	26 \| good	0.591 \| good	2.063 \| good	27.964 \| good	0.169 \| good	0.625 \| good	0.146 \| good
2026-03-13T14:00:00.000Z	25 \| good	1.034 \| good	4.411 \| good	26.942 \| good	0.215 \| good	0.637 \| good	0.148 \| good
2026-03-13T15:00:00.000Z	25 \| good	1.294 \| good	5.063 \| good	26.621 \| good	0.261 \| good	0.649 \| good	0.15 \| good
2026-03-13T16:00:00.000Z	25 \| good	1.507 \| good	6.348 \| good	27.422 \| good	0.26 \| good	0.572 \| good	0.149 \| good

Monroe

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Monroe, Wisconsin air quality map: Track AQI near you

0.17ppm

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

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 12:00:00 on 2026-03-11.

What is the current air quality in Monroe, Wisconsin?

The current air quality in Monroe, Wisconsin is 19, 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 2.322 μg/m³.

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

The current PM₁₀ concentration at Monroe, Wisconsin is 6.992 μg/m³.

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

The current carbon monoxide (CO) concentration at Monroe, Wisconsin is 0.203 ppm.

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

The current sulfur dioxide (SO₂) concentration at Monroe, Wisconsin is 0.14 ppb.

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

The current ozone (O₃) concentration at Monroe, Wisconsin is 21.323 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Monroe, Wisconsin is 4.789 ppb.

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