What is the current level of PM10 in Onalaska, Wisconsin?

Onalaska, Wisconsin currently has a PM10 concentration of 22.978 μg/m3.

What is the current level of sulfur dioxide (SO2) in Onalaska, Wisconsin?

The current sulfur dioxide (SO2) concentration in Onalaska, Wisconsin is 0.321 ppb.

What is the current level of ozone (O3) in Onalaska, Wisconsin?

Onalaska, Wisconsin currently has an ozone (O3) concentration of 28.737 ppm.

What is the current level of nitrogen dioxide (NO2) in Onalaska, Wisconsin?

The current level of nitrogen dioxide (NO2) in Onalaska, Wisconsin is 2.115 ppb.

Current air quality index in Onalaska, Wisconsin today

Q: What is the PM2.5 concentration in Onalaska, Wisconsin right now?

Onalaska, Wisconsin currently has a PM2.5 concentration of 5.046 μg/m3.

Stay updated with real-time air quality in Onalaska, 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

Onalaska, Wisconsin

Last updated: ... (Local time)

Common air pollutants in Onalaska, Wisconsin

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

5.05 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

22.98 μg/m³

155

255

425

605+

Ozone (O₃)

28.74 ppb

201

201+

Sulfur Dioxide (SO₂)

0.32 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.12 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.16 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

Onalaska, Wisconsin

Get Live Pollen Counts

Onalaska, Wisconsin

Scroll To Air Quality Map

Track live Onalaska, Wisconsin air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T06:00:00.000Z	27 \| good	5.326 \| good	22.682 \| good	21.275 \| good	0.504 \| good	5.599 \| good	0.179 \| good
2026-01-21T07:00:00.000Z	27 \| good	5.342 \| good	23.975 \| good	20.334 \| good	0.504 \| good	5.84 \| good	0.159 \| good
2026-01-21T08:00:00.000Z	27 \| good	5.488 \| good	24.603 \| good	16.257 \| good	0.443 \| good	5.176 \| good	0.14 \| good
2026-01-21T09:00:00.000Z	33 \| good	5.637 \| good	27.046 \| good	19.605 \| good	0.423 \| good	5.056 \| good	0.14 \| good
2026-01-21T10:00:00.000Z	33 \| good	5.909 \| good	29.664 \| good	22.818 \| good	0.487 \| good	6.375 \| good	0.139 \| good
2026-01-21T11:00:00.000Z	44 \| good	7.954 \| good	43.078 \| good	25.105 \| good	0.508 \| good	6.584 \| good	0.139 \| good
2026-01-21T12:00:00.000Z	44 \| good	7.883 \| good	34.921 \| good	20.769 \| good	0.489 \| good	6.644 \| good	0.139 \| good
2026-01-21T13:00:00.000Z	44 \| good	7.658 \| good	31.936 \| good	22.235 \| good	0.488 \| good	6.54 \| good	0.139 \| good
2026-01-21T14:00:00.000Z	38 \| good	7.354 \| good	28.763 \| good	20.636 \| good	0.471 \| good	5.475 \| good	0.159 \| good
2026-01-21T15:00:00.000Z	44 \| good	7.895 \| good	28.104 \| good	20.04 \| good	0.264 \| good	9.901 \| good	0.179 \| good
2026-01-21T16:00:00.000Z	44 \| good	8.265 \| good	34.775 \| good	23.609 \| good	0.301 \| good	4.134 \| good	0.14 \| good
2026-01-21T17:00:00.000Z	44 \| good	7.876 \| good	26.879 \| good	24.56 \| good	0.282 \| good	3.577 \| good	0.139 \| good
2026-01-21T18:00:00.000Z	44 \| good	8.277 \| good	31.48 \| good	25.028 \| good	0.555 \| good	3.475 \| good	0.141 \| good
2026-01-21T19:00:00.000Z	49 \| good	8.923 \| good	30.617 \| good	24.872 \| good	0.294 \| good	4.026 \| good	0.14 \| good
2026-01-21T20:00:00.000Z	49 \| good	8.838 \| good	36.349 \| good	26.583 \| good	0.292 \| good	4.29 \| good	0.161 \| good
2026-01-21T21:00:00.000Z	49 \| good	9.212 \| good	31.473 \| good	25.884 \| good	0.274 \| good	5.062 \| good	0.181 \| good
2026-01-21T22:00:00.000Z	44 \| good	8.372 \| good	34.66 \| good	26.529 \| good	0.302 \| good	5.151 \| good	0.199 \| good
2026-01-21T23:00:00.000Z	49 \| good	8.97 \| good	46.258 \| good	25.197 \| good	0.38 \| good	5.984 \| good	0.179 \| good
2026-01-22T00:00:00.000Z	44 \| good	8.243 \| good	39.344 \| good	28.112 \| good	0.263 \| good	4.458 \| good	0.179 \| good
2026-01-22T01:00:00.000Z	51 \| moderate	6.46 \| good	54.916 \| good	27.79 \| good	0.461 \| good	4.291 \| good	0.14 \| good
2026-01-22T02:00:00.000Z	38 \| good	7.425 \| good	20.724 \| good	29.139 \| good	0.44 \| good	4.115 \| good	0.161 \| good
2026-01-22T03:00:00.000Z	38 \| good	7.238 \| good	25.837 \| good	28.066 \| good	0.418 \| good	4.304 \| good	0.14 \| good
2026-01-22T04:00:00.000Z	38 \| good	6.884 \| good	30.754 \| good	31.173 \| good	0.456 \| good	4.232 \| good	0.12 \| good
2026-01-22T05:00:00.000Z	33 \| good	6.468 \| good	30.063 \| good	31.521 \| good	0.419 \| good	3.248 \| good	0.12 \| good
2026-01-22T06:00:00.000Z	28 \| good	5.271 \| good	19.79 \| good	29.93 \| good	0.224 \| good	3.973 \| good	0.12 \| good
2026-01-22T07:00:00.000Z	29 \| good	4.734 \| good	17.237 \| good	30.913 \| good	0.203 \| good	3.771 \| good	0.12 \| good
2026-01-22T08:00:00.000Z	29 \| good	4.415 \| good	13.484 \| good	31.326 \| good	0.423 \| good	5.922 \| good	0.12 \| good
2026-01-22T09:00:00.000Z	31 \| good	4.185 \| good	13.019 \| good	32.984 \| good	0.398 \| good	4.816 \| good	0.12 \| good
2026-01-22T10:00:00.000Z	30 \| good	4.221 \| good	17.449 \| good	32.434 \| good	0.382 \| good	3.366 \| good	0.12 \| good
2026-01-22T11:00:00.000Z	30 \| good	4.186 \| good	19.126 \| good	31.672 \| good	0.403 \| good	5.09 \| good	0.12 \| good
2026-01-22T12:00:00.000Z	27 \| good	4.014 \| good	16.377 \| good	29.191 \| good	0.41 \| good	5.833 \| good	0.12 \| good
2026-01-22T13:00:00.000Z	27 \| good	3.998 \| good	18.697 \| good	29.342 \| good	0.41 \| good	4.702 \| good	0.14 \| good
2026-01-22T14:00:00.000Z	27 \| good	4.675 \| good	20.261 \| good	25.035 \| good	0.37 \| good	9.45 \| good	0.159 \| good
2026-01-22T15:00:00.000Z	27 \| good	4.618 \| good	18.963 \| good	21.078 \| good	0.38 \| good	7.636 \| good	0.14 \| good
2026-01-22T16:00:00.000Z	27 \| good	4.565 \| good	19.853 \| good	24.367 \| good	0.345 \| good	3.54 \| good	0.14 \| good
2026-01-22T17:00:00.000Z	28 \| good	4.228 \| good	19.71 \| good	30.341 \| good	0.323 \| good	4.63 \| good	0.12 \| good
2026-01-22T18:00:00.000Z	30 \| good	4.113 \| good	16.771 \| good	31.622 \| good	0.215 \| good	4.055 \| good	0.12 \| good
2026-01-22T19:00:00.000Z	30 \| good	4.143 \| good	16.979 \| good	31.745 \| good	0.196 \| good	4.196 \| good	0.121 \| good
2026-01-22T20:00:00.000Z	30 \| good	4.149 \| good	22.079 \| good	31.513 \| good	0.196 \| good	3.922 \| good	0.12 \| good
2026-01-22T21:00:00.000Z	31 \| good	4.341 \| good	22.467 \| good	32.937 \| good	0.196 \| good	4.7 \| good	0.12 \| good
2026-01-22T22:00:00.000Z	31 \| good	4.482 \| good	22.287 \| good	32.883 \| good	0.177 \| good	5.408 \| good	0.121 \| good
2026-01-22T23:00:00.000Z	31 \| good	4.554 \| good	17.838 \| good	33.436 \| good	0.18 \| good	4.779 \| good	0.121 \| good
2026-01-23T00:00:00.000Z	31 \| good	4.775 \| good	20.344 \| good	33.029 \| good	0.201 \| good	5.315 \| good	0.14 \| good
2026-01-23T01:00:00.000Z	28 \| good	4.775 \| good	21.5 \| good	29.959 \| good	0.35 \| good	4.751 \| good	0.14 \| good
2026-01-23T02:00:00.000Z	30 \| good	4.895 \| good	21.398 \| good	32.111 \| good	0.383 \| good	3.082 \| good	0.12 \| good
2026-01-23T03:00:00.000Z	27 \| good	4.874 \| good	19.266 \| good	28.959 \| good	0.342 \| good	3.141 \| good	0.12 \| good
2026-01-23T04:00:00.000Z	27 \| good	5.046 \| good	22.978 \| good	28.737 \| good	0.321 \| good	2.115 \| good	0.163 \| good
2026-01-23T05:00:00.000Z	27 \| good	5.046 \| good	22.978 \| good	28.737 \| good	0.321 \| good	2.115 \| good	0.163 \| good
2026-01-23T06:00:00.000Z	19 \| good	0.585 \| good	2 \| good	21.178 \| good	0.078 \| good	0.889 \| good	0.134 \| good
2026-01-23T07:00:00.000Z	17 \| good	0.618 \| good	2 \| good	17.885 \| good	0.08 \| good	0.919 \| good	0.134 \| good
2026-01-23T08:00:00.000Z	17 \| good	0.697 \| good	2.64 \| good	17.964 \| good	0.081 \| good	0.949 \| good	0.134 \| good
2026-01-23T09:00:00.000Z	19 \| good	0.809 \| good	3 \| good	20.085 \| good	0.082 \| good	0.979 \| good	0.134 \| good
2026-01-23T10:00:00.000Z	19 \| good	0.905 \| good	3.81 \| good	20.357 \| good	0.09 \| good	1.047 \| good	0.135 \| good
2026-01-23T11:00:00.000Z	18 \| good	1.029 \| good	4.064 \| good	18.522 \| good	0.098 \| good	1.115 \| good	0.135 \| good
2026-01-23T12:00:00.000Z	12 \| good	1.212 \| good	5 \| good	13.194 \| good	0.106 \| good	1.183 \| good	0.136 \| good
2026-01-23T13:00:00.000Z	12 \| good	1.374 \| good	5.079 \| good	13.494 \| good	0.115 \| good	1.202 \| good	0.139 \| good
2026-01-23T14:00:00.000Z	14 \| good	1.456 \| good	5.946 \| good	14.665 \| good	0.123 \| good	1.221 \| good	0.142 \| good
2026-01-23T15:00:00.000Z	10 \| good	1.49 \| good	6 \| good	11.419 \| good	0.132 \| good	1.241 \| good	0.146 \| good
2026-01-23T16:00:00.000Z	11 \| good	1.428 \| good	5.937 \| good	12.073 \| good	0.142 \| good	1.071 \| good	0.145 \| good
2026-01-23T17:00:00.000Z	12 \| good	1.407 \| good	5.73 \| good	13.075 \| good	0.153 \| good	0.901 \| good	0.145 \| good
2026-01-23T18:00:00.000Z	12 \| good	1.57 \| good	6.07 \| good	13.309 \| good	0.163 \| good	0.732 \| good	0.144 \| good
2026-01-23T19:00:00.000Z	11 \| good	1.838 \| good	7.946 \| good	12.054 \| good	0.165 \| good	0.874 \| good	0.145 \| good
2026-01-23T20:00:00.000Z	12 \| good	2.115 \| good	8.662 \| good	13.354 \| good	0.167 \| good	1.016 \| good	0.146 \| good
2026-01-23T21:00:00.000Z	14 \| good	2.255 \| good	9 \| good	15.303 \| good	0.169 \| good	1.157 \| good	0.147 \| good
2026-01-23T22:00:00.000Z	13 \| good	2.267 \| good	9 \| good	13.521 \| good	0.169 \| good	2.222 \| good	0.154 \| good
2026-01-23T23:00:00.000Z	14 \| good	2.435 \| good	10 \| good	15.317 \| good	0.17 \| good	3.287 \| good	0.161 \| good
2026-01-24T00:00:00.000Z	16 \| good	2.509 \| good	10.07 \| good	16.495 \| good	0.17 \| good	4.351 \| good	0.168 \| good
2026-01-24T01:00:00.000Z	16 \| good	2.614 \| good	10.709 \| good	10.526 \| good	0.199 \| good	4.7 \| good	0.172 \| good
2026-01-24T02:00:00.000Z	16 \| good	2.758 \| good	11.079 \| good	15.386 \| good	0.228 \| good	5.049 \| good	0.176 \| good
2026-01-24T03:00:00.000Z	16 \| good	2.854 \| good	11.853 \| good	11.504 \| good	0.257 \| good	5.398 \| good	0.18 \| good
2026-01-24T04:00:00.000Z	16 \| good	2.687 \| good	11.178 \| good	10.733 \| good	0.255 \| good	5.247 \| good	0.179 \| good
2026-01-24T05:00:00.000Z	11 \| good	2.344 \| good	9.365 \| good	10.004 \| good	0.253 \| good	5.097 \| good	0.178 \| good
2026-01-24T06:00:00.000Z	13 \| good	2.052 \| good	8.358 \| good	13.833 \| good	0.25 \| good	4.946 \| good	0.177 \| good
2026-01-24T07:00:00.000Z	12 \| good	1.862 \| good	8 \| good	12.72 \| good	0.27 \| good	4.695 \| good	0.175 \| good
2026-01-24T08:00:00.000Z	11 \| good	1.801 \| good	7.725 \| good	11.974 \| good	0.289 \| good	4.443 \| good	0.173 \| good
2026-01-24T09:00:00.000Z	11 \| good	1.825 \| good	7.725 \| good	9.666 \| good	0.308 \| good	4.191 \| good	0.171 \| good
2026-01-24T10:00:00.000Z	13 \| good	1.826 \| good	7.771 \| good	14.145 \| good	0.304 \| good	3.951 \| good	0.17 \| good
2026-01-24T11:00:00.000Z	14 \| good	1.853 \| good	8 \| good	14.99 \| good	0.3 \| good	3.71 \| good	0.168 \| good
2026-01-24T12:00:00.000Z	13 \| good	1.912 \| good	8 \| good	13.905 \| good	0.296 \| good	3.47 \| good	0.167 \| good
2026-01-24T13:00:00.000Z	15 \| good	2.057 \| good	8.104 \| good	16.088 \| good	0.288 \| good	3.232 \| good	0.169 \| good
2026-01-24T14:00:00.000Z	16 \| good	2.264 \| good	9.136 \| good	16.571 \| good	0.28 \| good	2.994 \| good	0.17 \| good
2026-01-24T15:00:00.000Z	16 \| good	2.522 \| good	10.097 \| good	16.811 \| good	0.272 \| good	2.756 \| good	0.172 \| good
2026-01-24T16:00:00.000Z	17 \| good	2.796 \| good	11.304 \| good	18.003 \| good	0.259 \| good	2.218 \| good	0.167 \| good
2026-01-24T17:00:00.000Z	16 \| good	3.08 \| good	12.638 \| good	16.876 \| good	0.246 \| good	1.68 \| good	0.163 \| good
2026-01-24T18:00:00.000Z	17 \| good	3.379 \| good	14.874 \| good	18.488 \| good	0.232 \| good	1.142 \| good	0.159 \| good
2026-01-24T19:00:00.000Z	22 \| good	3.669 \| good	15.987 \| good	21.719 \| good	0.229 \| good	1.202 \| good	0.157 \| good
2026-01-24T20:00:00.000Z	22 \| good	3.95 \| good	16.984 \| good	21.612 \| good	0.225 \| good	1.261 \| good	0.156 \| good
2026-01-24T21:00:00.000Z	24 \| good	4.101 \| good	17.919 \| good	25.703 \| good	0.221 \| good	1.321 \| good	0.154 \| good
2026-01-24T22:00:00.000Z	22 \| good	4.272 \| good	18.919 \| good	23.584 \| good	0.255 \| good	3.193 \| good	0.169 \| good
2026-01-24T23:00:00.000Z	22 \| good	4.479 \| good	19.334 \| good	19.05 \| good	0.289 \| good	5.065 \| good	0.184 \| good
2026-01-25T00:00:00.000Z	27 \| good	5.238 \| good	5.492 \| good	25.305 \| good	0.323 \| good	6.95 \| good	0.2 \| good
2026-01-25T01:00:00.000Z	27 \| good	4.878 \| good	20.987 \| good	23.051 \| good	0.372 \| good	7.914 \| good	0.212 \| good
2026-01-25T02:00:00.000Z	27 \| good	5.099 \| good	21.919 \| good	25.96 \| good	0.422 \| good	8.891 \| good	0.224 \| good
2026-01-25T03:00:00.000Z	27 \| good	5.32 \| good	22.894 \| good	23.436 \| good	0.472 \| good	9.868 \| good	0.236 \| good
2026-01-25T04:00:00.000Z	33 \| good	5.511 \| good	23.849 \| good	21.581 \| good	0.498 \| good	9.578 \| good	0.234 \| good
2026-01-25T05:00:00.000Z	33 \| good	5.621 \| good	24.048 \| good	18.093 \| good	0.525 \| good	9.288 \| good	0.233 \| good

Onalaska

Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Onalaska, Wisconsin

0.16ppm

How accurate is Wisconsin, USA air quality data?

The air quality data for Wisconsin, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.

Source: Ambee Data Sources

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Frequently asked questions

How frequently does the air quality data for Onalaska, Wisconsin get updated?

Air quality updates for Onalaska, Wisconsin are available every hour.

What time in the past 24 hours saw the poorest air quality in Onalaska, Wisconsin?

Onalaska, Wisconsin experienced its worst air quality at 05:00:00, 2026-01-22.

When was air quality in Onalaska, Wisconsin the best over the past 24 hours?

The best air quality in Onalaska, Wisconsin was observed at 04:00:00 on 2026-01-23.

What is the air quality in Onalaska, Wisconsin right now?

The air quality in Onalaska, Wisconsin right now is Good, with an AQI of 27.

What pollutant is most frequently found in Onalaska, Wisconsin?

In Onalaska, Wisconsin, O3 is the most frequently found pollutant.

What can I do if the air quality in Onalaska, Wisconsin is poor?

When air quality in Onalaska, Wisconsin is compromised, staying indoors and wearing a mask can reduce health risks.

What is the PM_2.5 concentration in Onalaska, Wisconsin right now?

Onalaska, Wisconsin currently has a PM_2.5 concentration of 5.046 μg/m³.

What is the current level of PM₁₀ in Onalaska, Wisconsin?

Onalaska, Wisconsin currently has a PM₁₀ concentration of 22.978 μg/m³.

What is the current level of carbon monoxide (CO) in Onalaska, Wisconsin?

The current carbon monoxide (CO) level in Onalaska, Wisconsin is 0.163 ppm.

What is the current level of sulfur dioxide (SO₂) in Onalaska, Wisconsin?

The current sulfur dioxide (SO₂) concentration in Onalaska, Wisconsin is 0.321 ppb.

What is the current level of ozone (O₃) in Onalaska, Wisconsin?

Onalaska, Wisconsin currently has an ozone (O₃) concentration of 28.737 ppm.

What is the current level of nitrogen dioxide (NO₂) in Onalaska, Wisconsin?

The current level of nitrogen dioxide (NO₂) in Onalaska, Wisconsin is 2.115 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T06:00:00.000Z	27 \| good	5.326 \| good	22.682 \| good	21.275 \| good	0.504 \| good	5.599 \| good	0.179 \| good
2026-01-21T07:00:00.000Z	27 \| good	5.342 \| good	23.975 \| good	20.334 \| good	0.504 \| good	5.84 \| good	0.159 \| good
2026-01-21T08:00:00.000Z	27 \| good	5.488 \| good	24.603 \| good	16.257 \| good	0.443 \| good	5.176 \| good	0.14 \| good
2026-01-21T09:00:00.000Z	33 \| good	5.637 \| good	27.046 \| good	19.605 \| good	0.423 \| good	5.056 \| good	0.14 \| good
2026-01-21T10:00:00.000Z	33 \| good	5.909 \| good	29.664 \| good	22.818 \| good	0.487 \| good	6.375 \| good	0.139 \| good
2026-01-21T11:00:00.000Z	44 \| good	7.954 \| good	43.078 \| good	25.105 \| good	0.508 \| good	6.584 \| good	0.139 \| good
2026-01-21T12:00:00.000Z	44 \| good	7.883 \| good	34.921 \| good	20.769 \| good	0.489 \| good	6.644 \| good	0.139 \| good
2026-01-21T13:00:00.000Z	44 \| good	7.658 \| good	31.936 \| good	22.235 \| good	0.488 \| good	6.54 \| good	0.139 \| good
2026-01-21T14:00:00.000Z	38 \| good	7.354 \| good	28.763 \| good	20.636 \| good	0.471 \| good	5.475 \| good	0.159 \| good
2026-01-21T15:00:00.000Z	44 \| good	7.895 \| good	28.104 \| good	20.04 \| good	0.264 \| good	9.901 \| good	0.179 \| good
2026-01-21T16:00:00.000Z	44 \| good	8.265 \| good	34.775 \| good	23.609 \| good	0.301 \| good	4.134 \| good	0.14 \| good
2026-01-21T17:00:00.000Z	44 \| good	7.876 \| good	26.879 \| good	24.56 \| good	0.282 \| good	3.577 \| good	0.139 \| good
2026-01-21T18:00:00.000Z	44 \| good	8.277 \| good	31.48 \| good	25.028 \| good	0.555 \| good	3.475 \| good	0.141 \| good
2026-01-21T19:00:00.000Z	49 \| good	8.923 \| good	30.617 \| good	24.872 \| good	0.294 \| good	4.026 \| good	0.14 \| good
2026-01-21T20:00:00.000Z	49 \| good	8.838 \| good	36.349 \| good	26.583 \| good	0.292 \| good	4.29 \| good	0.161 \| good
2026-01-21T21:00:00.000Z	49 \| good	9.212 \| good	31.473 \| good	25.884 \| good	0.274 \| good	5.062 \| good	0.181 \| good
2026-01-21T22:00:00.000Z	44 \| good	8.372 \| good	34.66 \| good	26.529 \| good	0.302 \| good	5.151 \| good	0.199 \| good
2026-01-21T23:00:00.000Z	49 \| good	8.97 \| good	46.258 \| good	25.197 \| good	0.38 \| good	5.984 \| good	0.179 \| good
2026-01-22T00:00:00.000Z	44 \| good	8.243 \| good	39.344 \| good	28.112 \| good	0.263 \| good	4.458 \| good	0.179 \| good
2026-01-22T01:00:00.000Z	51 \| moderate	6.46 \| good	54.916 \| good	27.79 \| good	0.461 \| good	4.291 \| good	0.14 \| good
2026-01-22T02:00:00.000Z	38 \| good	7.425 \| good	20.724 \| good	29.139 \| good	0.44 \| good	4.115 \| good	0.161 \| good
2026-01-22T03:00:00.000Z	38 \| good	7.238 \| good	25.837 \| good	28.066 \| good	0.418 \| good	4.304 \| good	0.14 \| good
2026-01-22T04:00:00.000Z	38 \| good	6.884 \| good	30.754 \| good	31.173 \| good	0.456 \| good	4.232 \| good	0.12 \| good
2026-01-22T05:00:00.000Z	33 \| good	6.468 \| good	30.063 \| good	31.521 \| good	0.419 \| good	3.248 \| good	0.12 \| good
2026-01-22T06:00:00.000Z	28 \| good	5.271 \| good	19.79 \| good	29.93 \| good	0.224 \| good	3.973 \| good	0.12 \| good
2026-01-22T07:00:00.000Z	29 \| good	4.734 \| good	17.237 \| good	30.913 \| good	0.203 \| good	3.771 \| good	0.12 \| good
2026-01-22T08:00:00.000Z	29 \| good	4.415 \| good	13.484 \| good	31.326 \| good	0.423 \| good	5.922 \| good	0.12 \| good
2026-01-22T09:00:00.000Z	31 \| good	4.185 \| good	13.019 \| good	32.984 \| good	0.398 \| good	4.816 \| good	0.12 \| good
2026-01-22T10:00:00.000Z	30 \| good	4.221 \| good	17.449 \| good	32.434 \| good	0.382 \| good	3.366 \| good	0.12 \| good
2026-01-22T11:00:00.000Z	30 \| good	4.186 \| good	19.126 \| good	31.672 \| good	0.403 \| good	5.09 \| good	0.12 \| good
2026-01-22T12:00:00.000Z	27 \| good	4.014 \| good	16.377 \| good	29.191 \| good	0.41 \| good	5.833 \| good	0.12 \| good
2026-01-22T13:00:00.000Z	27 \| good	3.998 \| good	18.697 \| good	29.342 \| good	0.41 \| good	4.702 \| good	0.14 \| good
2026-01-22T14:00:00.000Z	27 \| good	4.675 \| good	20.261 \| good	25.035 \| good	0.37 \| good	9.45 \| good	0.159 \| good
2026-01-22T15:00:00.000Z	27 \| good	4.618 \| good	18.963 \| good	21.078 \| good	0.38 \| good	7.636 \| good	0.14 \| good
2026-01-22T16:00:00.000Z	27 \| good	4.565 \| good	19.853 \| good	24.367 \| good	0.345 \| good	3.54 \| good	0.14 \| good
2026-01-22T17:00:00.000Z	28 \| good	4.228 \| good	19.71 \| good	30.341 \| good	0.323 \| good	4.63 \| good	0.12 \| good
2026-01-22T18:00:00.000Z	30 \| good	4.113 \| good	16.771 \| good	31.622 \| good	0.215 \| good	4.055 \| good	0.12 \| good
2026-01-22T19:00:00.000Z	30 \| good	4.143 \| good	16.979 \| good	31.745 \| good	0.196 \| good	4.196 \| good	0.121 \| good
2026-01-22T20:00:00.000Z	30 \| good	4.149 \| good	22.079 \| good	31.513 \| good	0.196 \| good	3.922 \| good	0.12 \| good
2026-01-22T21:00:00.000Z	31 \| good	4.341 \| good	22.467 \| good	32.937 \| good	0.196 \| good	4.7 \| good	0.12 \| good
2026-01-22T22:00:00.000Z	31 \| good	4.482 \| good	22.287 \| good	32.883 \| good	0.177 \| good	5.408 \| good	0.121 \| good
2026-01-22T23:00:00.000Z	31 \| good	4.554 \| good	17.838 \| good	33.436 \| good	0.18 \| good	4.779 \| good	0.121 \| good
2026-01-23T00:00:00.000Z	31 \| good	4.775 \| good	20.344 \| good	33.029 \| good	0.201 \| good	5.315 \| good	0.14 \| good
2026-01-23T01:00:00.000Z	28 \| good	4.775 \| good	21.5 \| good	29.959 \| good	0.35 \| good	4.751 \| good	0.14 \| good
2026-01-23T02:00:00.000Z	30 \| good	4.895 \| good	21.398 \| good	32.111 \| good	0.383 \| good	3.082 \| good	0.12 \| good
2026-01-23T03:00:00.000Z	27 \| good	4.874 \| good	19.266 \| good	28.959 \| good	0.342 \| good	3.141 \| good	0.12 \| good
2026-01-23T04:00:00.000Z	27 \| good	5.046 \| good	22.978 \| good	28.737 \| good	0.321 \| good	2.115 \| good	0.163 \| good
2026-01-23T05:00:00.000Z	27 \| good	5.046 \| good	22.978 \| good	28.737 \| good	0.321 \| good	2.115 \| good	0.163 \| good
2026-01-23T06:00:00.000Z	19 \| good	0.585 \| good	2 \| good	21.178 \| good	0.078 \| good	0.889 \| good	0.134 \| good
2026-01-23T07:00:00.000Z	17 \| good	0.618 \| good	2 \| good	17.885 \| good	0.08 \| good	0.919 \| good	0.134 \| good
2026-01-23T08:00:00.000Z	17 \| good	0.697 \| good	2.64 \| good	17.964 \| good	0.081 \| good	0.949 \| good	0.134 \| good
2026-01-23T09:00:00.000Z	19 \| good	0.809 \| good	3 \| good	20.085 \| good	0.082 \| good	0.979 \| good	0.134 \| good
2026-01-23T10:00:00.000Z	19 \| good	0.905 \| good	3.81 \| good	20.357 \| good	0.09 \| good	1.047 \| good	0.135 \| good
2026-01-23T11:00:00.000Z	18 \| good	1.029 \| good	4.064 \| good	18.522 \| good	0.098 \| good	1.115 \| good	0.135 \| good
2026-01-23T12:00:00.000Z	12 \| good	1.212 \| good	5 \| good	13.194 \| good	0.106 \| good	1.183 \| good	0.136 \| good
2026-01-23T13:00:00.000Z	12 \| good	1.374 \| good	5.079 \| good	13.494 \| good	0.115 \| good	1.202 \| good	0.139 \| good
2026-01-23T14:00:00.000Z	14 \| good	1.456 \| good	5.946 \| good	14.665 \| good	0.123 \| good	1.221 \| good	0.142 \| good
2026-01-23T15:00:00.000Z	10 \| good	1.49 \| good	6 \| good	11.419 \| good	0.132 \| good	1.241 \| good	0.146 \| good
2026-01-23T16:00:00.000Z	11 \| good	1.428 \| good	5.937 \| good	12.073 \| good	0.142 \| good	1.071 \| good	0.145 \| good
2026-01-23T17:00:00.000Z	12 \| good	1.407 \| good	5.73 \| good	13.075 \| good	0.153 \| good	0.901 \| good	0.145 \| good
2026-01-23T18:00:00.000Z	12 \| good	1.57 \| good	6.07 \| good	13.309 \| good	0.163 \| good	0.732 \| good	0.144 \| good
2026-01-23T19:00:00.000Z	11 \| good	1.838 \| good	7.946 \| good	12.054 \| good	0.165 \| good	0.874 \| good	0.145 \| good
2026-01-23T20:00:00.000Z	12 \| good	2.115 \| good	8.662 \| good	13.354 \| good	0.167 \| good	1.016 \| good	0.146 \| good
2026-01-23T21:00:00.000Z	14 \| good	2.255 \| good	9 \| good	15.303 \| good	0.169 \| good	1.157 \| good	0.147 \| good
2026-01-23T22:00:00.000Z	13 \| good	2.267 \| good	9 \| good	13.521 \| good	0.169 \| good	2.222 \| good	0.154 \| good
2026-01-23T23:00:00.000Z	14 \| good	2.435 \| good	10 \| good	15.317 \| good	0.17 \| good	3.287 \| good	0.161 \| good
2026-01-24T00:00:00.000Z	16 \| good	2.509 \| good	10.07 \| good	16.495 \| good	0.17 \| good	4.351 \| good	0.168 \| good
2026-01-24T01:00:00.000Z	16 \| good	2.614 \| good	10.709 \| good	10.526 \| good	0.199 \| good	4.7 \| good	0.172 \| good
2026-01-24T02:00:00.000Z	16 \| good	2.758 \| good	11.079 \| good	15.386 \| good	0.228 \| good	5.049 \| good	0.176 \| good
2026-01-24T03:00:00.000Z	16 \| good	2.854 \| good	11.853 \| good	11.504 \| good	0.257 \| good	5.398 \| good	0.18 \| good
2026-01-24T04:00:00.000Z	16 \| good	2.687 \| good	11.178 \| good	10.733 \| good	0.255 \| good	5.247 \| good	0.179 \| good
2026-01-24T05:00:00.000Z	11 \| good	2.344 \| good	9.365 \| good	10.004 \| good	0.253 \| good	5.097 \| good	0.178 \| good
2026-01-24T06:00:00.000Z	13 \| good	2.052 \| good	8.358 \| good	13.833 \| good	0.25 \| good	4.946 \| good	0.177 \| good
2026-01-24T07:00:00.000Z	12 \| good	1.862 \| good	8 \| good	12.72 \| good	0.27 \| good	4.695 \| good	0.175 \| good
2026-01-24T08:00:00.000Z	11 \| good	1.801 \| good	7.725 \| good	11.974 \| good	0.289 \| good	4.443 \| good	0.173 \| good
2026-01-24T09:00:00.000Z	11 \| good	1.825 \| good	7.725 \| good	9.666 \| good	0.308 \| good	4.191 \| good	0.171 \| good
2026-01-24T10:00:00.000Z	13 \| good	1.826 \| good	7.771 \| good	14.145 \| good	0.304 \| good	3.951 \| good	0.17 \| good
2026-01-24T11:00:00.000Z	14 \| good	1.853 \| good	8 \| good	14.99 \| good	0.3 \| good	3.71 \| good	0.168 \| good
2026-01-24T12:00:00.000Z	13 \| good	1.912 \| good	8 \| good	13.905 \| good	0.296 \| good	3.47 \| good	0.167 \| good
2026-01-24T13:00:00.000Z	15 \| good	2.057 \| good	8.104 \| good	16.088 \| good	0.288 \| good	3.232 \| good	0.169 \| good
2026-01-24T14:00:00.000Z	16 \| good	2.264 \| good	9.136 \| good	16.571 \| good	0.28 \| good	2.994 \| good	0.17 \| good
2026-01-24T15:00:00.000Z	16 \| good	2.522 \| good	10.097 \| good	16.811 \| good	0.272 \| good	2.756 \| good	0.172 \| good
2026-01-24T16:00:00.000Z	17 \| good	2.796 \| good	11.304 \| good	18.003 \| good	0.259 \| good	2.218 \| good	0.167 \| good
2026-01-24T17:00:00.000Z	16 \| good	3.08 \| good	12.638 \| good	16.876 \| good	0.246 \| good	1.68 \| good	0.163 \| good
2026-01-24T18:00:00.000Z	17 \| good	3.379 \| good	14.874 \| good	18.488 \| good	0.232 \| good	1.142 \| good	0.159 \| good
2026-01-24T19:00:00.000Z	22 \| good	3.669 \| good	15.987 \| good	21.719 \| good	0.229 \| good	1.202 \| good	0.157 \| good
2026-01-24T20:00:00.000Z	22 \| good	3.95 \| good	16.984 \| good	21.612 \| good	0.225 \| good	1.261 \| good	0.156 \| good
2026-01-24T21:00:00.000Z	24 \| good	4.101 \| good	17.919 \| good	25.703 \| good	0.221 \| good	1.321 \| good	0.154 \| good
2026-01-24T22:00:00.000Z	22 \| good	4.272 \| good	18.919 \| good	23.584 \| good	0.255 \| good	3.193 \| good	0.169 \| good
2026-01-24T23:00:00.000Z	22 \| good	4.479 \| good	19.334 \| good	19.05 \| good	0.289 \| good	5.065 \| good	0.184 \| good
2026-01-25T00:00:00.000Z	27 \| good	5.238 \| good	5.492 \| good	25.305 \| good	0.323 \| good	6.95 \| good	0.2 \| good
2026-01-25T01:00:00.000Z	27 \| good	4.878 \| good	20.987 \| good	23.051 \| good	0.372 \| good	7.914 \| good	0.212 \| good
2026-01-25T02:00:00.000Z	27 \| good	5.099 \| good	21.919 \| good	25.96 \| good	0.422 \| good	8.891 \| good	0.224 \| good
2026-01-25T03:00:00.000Z	27 \| good	5.32 \| good	22.894 \| good	23.436 \| good	0.472 \| good	9.868 \| good	0.236 \| good
2026-01-25T04:00:00.000Z	33 \| good	5.511 \| good	23.849 \| good	21.581 \| good	0.498 \| good	9.578 \| good	0.234 \| good
2026-01-25T05:00:00.000Z	33 \| good	5.621 \| good	24.048 \| good	18.093 \| good	0.525 \| good	9.288 \| good	0.233 \| good

Current air quality index in Onalaska, Wisconsin today

Common air pollutants in Onalaska, Wisconsin

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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Empower business decisions with accurate air quality data

Real-time air quality map: Monitor AQI near Onalaska, Wisconsin

Air quality in nearby cities

La Crosse, Wisconsin

Holmen, Wisconsin

Winona, Minnesota

Rochester, Minnesota

Eau Claire, Wisconsin

Reedsburg, Wisconsin

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Frequently asked questions

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What is the PM2.5 concentration in Onalaska, Wisconsin right now?

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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 PM_2.5 concentration in Onalaska, Wisconsin right now?

What is the current level of PM₁₀ in Onalaska, Wisconsin?

What is the current level of sulfur dioxide (SO₂) in Onalaska, Wisconsin?

What is the current level of ozone (O₃) in Onalaska, Wisconsin?

What is the current level of nitrogen dioxide (NO₂) in Onalaska, Wisconsin?