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

The current PM10 concentration at Monroe, Wisconsin is 16.335 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Monroe, Wisconsin is 0.694 ppb.

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

The current ozone (O3) concentration at Monroe, Wisconsin is 26.125 ppm.

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

The current nitrogen dioxide (NO2) concentration at Monroe, Wisconsin is 3.221 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 4.496 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)

4.50 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

16.34 μg/m³

155

255

425

605+

Ozone (O₃)

26.13 ppb

201

201+

Sulfur Dioxide (SO₂)

0.69 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.22 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.13 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
2026-01-21T06:00:00.000Z	38 \| good	6.533 \| good	24.109 \| good	23.758 \| good	0.653 \| good	6.384 \| good	0.18 \| good
2026-01-21T07:00:00.000Z	33 \| good	6.379 \| good	21.953 \| good	24.88 \| good	0.654 \| good	7.451 \| good	0.18 \| good
2026-01-21T08:00:00.000Z	33 \| good	6.208 \| good	20.692 \| good	21.805 \| good	0.616 \| good	8.908 \| good	0.154 \| good
2026-01-21T09:00:00.000Z	33 \| good	5.978 \| good	24.437 \| good	21.187 \| good	0.584 \| good	14.218 \| good	0.176 \| good
2026-01-21T10:00:00.000Z	33 \| good	6.142 \| good	17.925 \| good	20.055 \| good	0.796 \| good	14.654 \| good	0.18 \| good
2026-01-21T11:00:00.000Z	33 \| good	6.272 \| good	29.631 \| good	20.988 \| good	0.898 \| good	15.688 \| good	0.202 \| good
2026-01-21T12:00:00.000Z	33 \| good	6.433 \| good	29.431 \| good	20.354 \| good	0.913 \| good	20.02 \| good	0.202 \| good
2026-01-21T13:00:00.000Z	38 \| good	7.206 \| good	33.833 \| good	21.129 \| good	0.897 \| good	17.526 \| good	0.202 \| good
2026-01-21T14:00:00.000Z	38 \| good	7.118 \| good	30.631 \| good	19.203 \| good	0.667 \| good	16.438 \| good	0.246 \| good
2026-01-21T15:00:00.000Z	44 \| good	7.569 \| good	26.08 \| good	18.796 \| good	0.412 \| good	8.876 \| good	0.224 \| good
2026-01-21T16:00:00.000Z	38 \| good	7.295 \| good	36.815 \| good	19.761 \| good	0.442 \| good	9.222 \| good	0.198 \| good
2026-01-21T17:00:00.000Z	44 \| good	7.569 \| good	33.991 \| good	21.363 \| good	0.437 \| good	6.822 \| good	0.202 \| good
2026-01-21T18:00:00.000Z	38 \| good	7.187 \| good	26.08 \| good	23.841 \| good	0.768 \| good	5.818 \| good	0.176 \| good
2026-01-21T19:00:00.000Z	38 \| good	7.087 \| good	28.919 \| good	23.887 \| good	0.456 \| good	5.469 \| good	0.154 \| good
2026-01-21T20:00:00.000Z	38 \| good	7.174 \| good	23.965 \| good	23.832 \| good	0.433 \| good	4.458 \| good	0.154 \| good
2026-01-21T21:00:00.000Z	38 \| good	7.442 \| good	23.618 \| good	26.255 \| good	0.374 \| good	4.308 \| good	0.154 \| good
2026-01-21T22:00:00.000Z	44 \| good	7.795 \| good	30.663 \| good	24.978 \| good	0.39 \| good	4.763 \| good	0.202 \| good
2026-01-21T23:00:00.000Z	44 \| good	7.758 \| good	23.303 \| good	29.846 \| good	0.463 \| good	7.737 \| good	0.202 \| good
2026-01-22T00:00:00.000Z	44 \| good	7.535 \| good	28.718 \| good	27.377 \| good	0.362 \| good	6.24 \| good	0.202 \| good
2026-01-22T01:00:00.000Z	38 \| good	6.747 \| good	18.605 \| good	24.128 \| good	0.623 \| good	6.495 \| good	0.176 \| good
2026-01-22T02:00:00.000Z	50 \| good	6.153 \| good	54.368 \| good	22.708 \| good	0.584 \| good	6.782 \| good	0.154 \| good
2026-01-22T03:00:00.000Z	33 \| good	6.43 \| good	25.181 \| good	22.298 \| good	0.583 \| good	6.006 \| good	0.154 \| good
2026-01-22T04:00:00.000Z	33 \| good	5.947 \| good	19.007 \| good	23.709 \| good	0.599 \| good	4.271 \| good	0.154 \| good
2026-01-22T05:00:00.000Z	33 \| good	5.768 \| good	23.31 \| good	26.714 \| good	0.584 \| good	3.304 \| good	0.154 \| good
2026-01-22T06:00:00.000Z	27 \| good	5.351 \| good	19.506 \| good	28.874 \| good	0.325 \| good	4.094 \| good	0.132 \| good
2026-01-22T07:00:00.000Z	27 \| good	5.412 \| good	16.126 \| good	27.989 \| good	0.342 \| good	4.451 \| good	0.132 \| good
2026-01-22T08:00:00.000Z	26 \| good	4.106 \| good	15.374 \| good	27.665 \| good	0.589 \| good	3.695 \| good	0.132 \| good
2026-01-22T09:00:00.000Z	26 \| good	3.654 \| good	13.856 \| good	27.698 \| good	0.586 \| good	3.204 \| good	0.132 \| good
2026-01-22T10:00:00.000Z	27 \| good	3.801 \| good	17.611 \| good	29.399 \| good	0.512 \| good	2.589 \| good	0.132 \| good
2026-01-22T11:00:00.000Z	27 \| good	3.759 \| good	17.956 \| good	28.778 \| good	0.57 \| good	4.879 \| good	0.132 \| good
2026-01-22T12:00:00.000Z	27 \| good	3.542 \| good	12.994 \| good	28.882 \| good	0.713 \| good	5.98 \| good	0.154 \| good
2026-01-22T13:00:00.000Z	28 \| good	3.637 \| good	15.141 \| good	29.845 \| good	0.713 \| good	6.169 \| good	0.154 \| good
2026-01-22T14:00:00.000Z	26 \| good	3.686 \| good	14.666 \| good	28.489 \| good	0.691 \| good	8.504 \| good	0.236 \| good
2026-01-22T15:00:00.000Z	26 \| good	3.629 \| good	26.655 \| good	27.754 \| good	0.57 \| good	7.412 \| good	0.154 \| good
2026-01-22T16:00:00.000Z	26 \| good	3.447 \| good	14.605 \| good	27.604 \| good	0.346 \| good	5.849 \| good	0.154 \| good
2026-01-22T17:00:00.000Z	27 \| good	3.459 \| good	24.022 \| good	29.476 \| good	0.533 \| good	5.118 \| good	0.132 \| good
2026-01-22T18:00:00.000Z	30 \| good	3.479 \| good	13.793 \| good	31.671 \| good	0.357 \| good	4.462 \| good	0.132 \| good
2026-01-22T19:00:00.000Z	30 \| good	3.496 \| good	16.602 \| good	32.012 \| good	0.367 \| good	4.512 \| good	0.132 \| good
2026-01-22T20:00:00.000Z	30 \| good	3.687 \| good	17.055 \| good	31.657 \| good	0.403 \| good	4.119 \| good	0.132 \| good
2026-01-22T21:00:00.000Z	30 \| good	3.649 \| good	18.803 \| good	32.34 \| good	0.421 \| good	4.32 \| good	0.154 \| good
2026-01-22T22:00:00.000Z	31 \| good	3.785 \| good	19.492 \| good	33.869 \| good	0.407 \| good	4.227 \| good	0.154 \| good
2026-01-22T23:00:00.000Z	31 \| good	3.835 \| good	18.037 \| good	33.881 \| good	0.357 \| good	4.776 \| good	0.154 \| good
2026-01-23T00:00:00.000Z	31 \| good	3.731 \| good	16.18 \| good	32.936 \| good	0.358 \| good	5.793 \| good	0.154 \| good
2026-01-23T01:00:00.000Z	31 \| good	3.958 \| good	19.791 \| good	32.844 \| good	0.53 \| good	4.807 \| good	0.154 \| good
2026-01-23T02:00:00.000Z	31 \| good	4.058 \| good	21.835 \| good	33.435 \| good	0.778 \| good	3.846 \| good	0.132 \| good
2026-01-23T03:00:00.000Z	30 \| good	4.178 \| good	21.942 \| good	32.475 \| good	0.738 \| good	3.072 \| good	0.132 \| good
2026-01-23T04:00:00.000Z	24 \| good	4.496 \| good	16.335 \| good	26.125 \| good	0.694 \| good	3.221 \| good	0.132 \| good
2026-01-23T05:00:00.000Z	24 \| good	4.496 \| good	16.335 \| good	26.125 \| good	0.694 \| good	3.221 \| good	0.132 \| good
2026-01-23T06:00:00.000Z	19 \| good	2.222 \| good	9.073 \| good	19.84 \| good	0.13 \| good	1.204 \| good	0.143 \| good
2026-01-23T07:00:00.000Z	19 \| good	1.791 \| good	7.492 \| good	20.565 \| good	0.111 \| good	1.08 \| good	0.14 \| good
2026-01-23T08:00:00.000Z	19 \| good	1.65 \| good	6.923 \| good	20.478 \| good	0.093 \| good	0.956 \| good	0.137 \| good
2026-01-23T09:00:00.000Z	19 \| good	1.326 \| good	5 \| good	19.752 \| good	0.074 \| good	0.832 \| good	0.135 \| good
2026-01-23T10:00:00.000Z	19 \| good	1.613 \| good	6.923 \| good	20.138 \| good	0.068 \| good	0.823 \| good	0.134 \| good
2026-01-23T11:00:00.000Z	19 \| good	1.967 \| good	8 \| good	19.605 \| good	0.062 \| good	0.815 \| good	0.134 \| good
2026-01-23T12:00:00.000Z	18 \| good	1.575 \| good	6.439 \| good	19.111 \| good	0.055 \| good	0.806 \| good	0.133 \| good
2026-01-23T13:00:00.000Z	17 \| good	2.275 \| good	9.439 \| good	17.923 \| good	0.07 \| good	0.882 \| good	0.137 \| good
2026-01-23T14:00:00.000Z	15 \| good	2.488 \| good	10.112 \| good	16.399 \| good	0.085 \| good	0.957 \| good	0.14 \| good
2026-01-23T15:00:00.000Z	15 \| good	2.424 \| good	10.023 \| good	16.429 \| good	0.1 \| good	1.033 \| good	0.144 \| good
2026-01-23T16:00:00.000Z	16 \| good	2.42 \| good	10 \| good	16.874 \| good	0.107 \| good	0.879 \| good	0.143 \| good
2026-01-23T17:00:00.000Z	17 \| good	2.447 \| good	10 \| good	18.154 \| good	0.115 \| good	0.726 \| good	0.142 \| good
2026-01-23T18:00:00.000Z	18 \| good	3.14 \| good	13.918 \| good	19.278 \| good	0.122 \| good	0.572 \| good	0.142 \| good
2026-01-23T19:00:00.000Z	19 \| good	3.113 \| good	13.029 \| good	20.952 \| good	0.122 \| good	0.655 \| good	0.142 \| good
2026-01-23T20:00:00.000Z	20 \| good	3.219 \| good	14.027 \| good	21.562 \| good	0.121 \| good	0.738 \| good	0.143 \| good
2026-01-23T21:00:00.000Z	20 \| good	3.219 \| good	14.077 \| good	22.04 \| good	0.121 \| good	0.822 \| good	0.144 \| good
2026-01-23T22:00:00.000Z	20 \| good	2.858 \| good	11.873 \| good	22.029 \| good	0.135 \| good	2.025 \| good	0.154 \| good
2026-01-23T23:00:00.000Z	19 \| good	3.442 \| good	15.379 \| good	20.546 \| good	0.149 \| good	3.229 \| good	0.164 \| good
2026-01-24T00:00:00.000Z	16 \| good	3.273 \| good	14.377 \| good	17.189 \| good	0.163 \| good	4.432 \| good	0.174 \| good
2026-01-24T01:00:00.000Z	17 \| good	3.352 \| good	14.934 \| good	17.723 \| good	0.163 \| good	4.513 \| good	0.174 \| good
2026-01-24T02:00:00.000Z	22 \| good	3.569 \| good	16 \| good	18.367 \| good	0.164 \| good	4.594 \| good	0.175 \| good
2026-01-24T03:00:00.000Z	22 \| good	4.184 \| good	18.521 \| good	19.271 \| good	0.164 \| good	4.675 \| good	0.176 \| good
2026-01-24T04:00:00.000Z	22 \| good	4.414 \| good	19.156 \| good	19.659 \| good	0.149 \| good	4.397 \| good	0.173 \| good
2026-01-24T05:00:00.000Z	27 \| good	4.791 \| good	20.963 \| good	18.749 \| good	0.134 \| good	4.119 \| good	0.171 \| good
2026-01-24T06:00:00.000Z	27 \| good	4.966 \| good	21.19 \| good	19.742 \| good	0.119 \| good	3.841 \| good	0.168 \| good
2026-01-24T07:00:00.000Z	27 \| good	5.165 \| good	22.075 \| good	19.638 \| good	0.134 \| good	3.63 \| good	0.166 \| good
2026-01-24T08:00:00.000Z	27 \| good	5.045 \| good	21.963 \| good	18.872 \| good	0.148 \| good	3.419 \| good	0.164 \| good
2026-01-24T09:00:00.000Z	27 \| good	4.621 \| good	20.151 \| good	18.404 \| good	0.162 \| good	3.208 \| good	0.162 \| good
2026-01-24T10:00:00.000Z	27 \| good	4.562 \| good	19.948 \| good	16.004 \| good	0.201 \| good	3.134 \| good	0.162 \| good
2026-01-24T11:00:00.000Z	27 \| good	4.797 \| good	20.937 \| good	16.198 \| good	0.239 \| good	3.061 \| good	0.161 \| good
2026-01-24T12:00:00.000Z	22 \| good	4.129 \| good	18.041 \| good	16.472 \| good	0.278 \| good	2.988 \| good	0.161 \| good
2026-01-24T13:00:00.000Z	27 \| good	4.869 \| good	21 \| good	16.804 \| good	0.31 \| good	2.974 \| good	0.164 \| good
2026-01-24T14:00:00.000Z	27 \| good	5.155 \| good	22.079 \| good	17.807 \| good	0.343 \| good	2.96 \| good	0.167 \| good
2026-01-24T15:00:00.000Z	27 \| good	4.778 \| good	21 \| good	19.212 \| good	0.376 \| good	2.946 \| good	0.17 \| good
2026-01-24T16:00:00.000Z	27 \| good	5.057 \| good	22 \| good	21.255 \| good	0.392 \| good	2.576 \| good	0.17 \| good
2026-01-24T17:00:00.000Z	27 \| good	4.814 \| good	20.945 \| good	23.318 \| good	0.409 \| good	2.205 \| good	0.169 \| good
2026-01-24T18:00:00.000Z	33 \| good	5.608 \| good	24.05 \| good	25.288 \| good	0.426 \| good	1.834 \| good	0.168 \| good
2026-01-24T19:00:00.000Z	33 \| good	5.902 \| good	26.034 \| good	25.659 \| good	0.45 \| good	2.098 \| good	0.168 \| good
2026-01-24T20:00:00.000Z	33 \| good	6.045 \| good	27 \| good	25.649 \| good	0.474 \| good	2.361 \| good	0.168 \| good
2026-01-24T21:00:00.000Z	33 \| good	6.045 \| good	27 \| good	26.419 \| good	0.498 \| good	2.625 \| good	0.168 \| good
2026-01-24T22:00:00.000Z	27 \| good	5.42 \| good	23.112 \| good	27.212 \| good	0.457 \| good	4.521 \| good	0.18 \| good
2026-01-24T23:00:00.000Z	33 \| good	5.672 \| good	24.538 \| good	25.521 \| good	0.416 \| good	6.416 \| good	0.191 \| good
2026-01-25T00:00:00.000Z	38 \| good	6.593 \| good	6.901 \| good	24.586 \| good	0.375 \| good	8.293 \| good	0.203 \| good
2026-01-25T01:00:00.000Z	27 \| good	5.385 \| good	23.078 \| good	22.722 \| good	0.356 \| good	8.227 \| good	0.203 \| good
2026-01-25T02:00:00.000Z	33 \| good	5.644 \| good	24.168 \| good	22.569 \| good	0.336 \| good	8.143 \| good	0.204 \| good
2026-01-25T03:00:00.000Z	33 \| good	6.195 \| good	27.601 \| good	22.347 \| good	0.317 \| good	8.058 \| good	0.204 \| good
2026-01-25T04:00:00.000Z	33 \| good	5.993 \| good	26.137 \| good	21.031 \| good	0.306 \| good	7.347 \| good	0.198 \| good
2026-01-25T05:00:00.000Z	33 \| good	6.205 \| good	27.578 \| good	20.881 \| good	0.295 \| good	6.637 \| good	0.192 \| good

Monroe

Get reliable air quality data to drive your business

Monroe, Wisconsin air quality map: Track AQI near you

0.14ppm

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 05:00:00 on 2026-01-22.

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 04:00:00 on 2026-01-23.

What is the current air quality in Monroe, Wisconsin?

The current air quality in Monroe, Wisconsin is 24, 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 4.496 μg/m³.

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

The current PM₁₀ concentration at Monroe, Wisconsin is 16.335 μg/m³.

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

The current carbon monoxide (CO) concentration at Monroe, Wisconsin is 0.132 ppm.

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

The current sulfur dioxide (SO₂) concentration at Monroe, Wisconsin is 0.694 ppb.

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

The current ozone (O₃) concentration at Monroe, Wisconsin is 26.125 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Monroe, Wisconsin is 3.221 ppb.

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