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

Onalaska, Wisconsin currently has a PM10 concentration of 7.538 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Onalaska, Wisconsin is 0.401 ppb.

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

Onalaska, Wisconsin currently has an ozone (O3) concentration of 21.57 ppm.

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

The current level of nitrogen dioxide (NO2) in Onalaska, Wisconsin is 2.112 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 1.537 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)

1.54 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

7.54 μg/m³

155

255

425

605+

Ozone (O₃)

21.57 ppb

201

201+

Sulfur Dioxide (SO₂)

0.40 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

2.11 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.19 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
2025-10-20T11:00:00.000Z	38 \| good	6.882 \| good	30.261 \| good	22.066 \| good	0.361 \| good	3.32 \| good	0.144 \| good
2025-10-20T12:00:00.000Z	38 \| good	7.303 \| good	32.261 \| good	15.432 \| good	0.402 \| good	2.694 \| good	0.149 \| good
2025-10-20T13:00:00.000Z	38 \| good	7.198 \| good	32 \| good	22.584 \| good	0.433 \| good	2.495 \| good	0.149 \| good
2025-10-20T14:00:00.000Z	38 \| good	6.521 \| good	29.112 \| good	24.603 \| good	0.465 \| good	2.296 \| good	0.149 \| good
2025-10-20T15:00:00.000Z	33 \| good	6.199 \| good	27.261 \| good	24.302 \| good	0.496 \| good	2.097 \| good	0.149 \| good
2025-10-20T16:00:00.000Z	27 \| good	4.478 \| good	19.261 \| good	29.112 \| good	0.529 \| good	1.755 \| good	0.145 \| good
2025-10-20T17:00:00.000Z	32 \| good	4.585 \| good	20 \| good	34.675 \| good	0.563 \| good	1.413 \| good	0.14 \| good
2025-10-20T18:00:00.000Z	35 \| good	4.904 \| good	21 \| good	37.775 \| good	0.596 \| good	1.07 \| good	0.136 \| good
2025-10-20T19:00:00.000Z	38 \| good	5.315 \| good	23 \| good	41.245 \| good	0.593 \| good	1 \| good	0.133 \| good
2025-10-20T20:00:00.000Z	36 \| good	5.592 \| good	24 \| good	39.282 \| good	0.591 \| good	0.931 \| good	0.13 \| good
2025-10-20T21:00:00.000Z	35 \| good	6.013 \| good	27 \| good	38.083 \| good	0.589 \| good	0.861 \| good	0.127 \| good
2025-10-20T22:00:00.000Z	38 \| good	6.642 \| good	29.948 \| good	40.085 \| good	0.546 \| good	1.373 \| good	0.13 \| good
2025-10-20T23:00:00.000Z	38 \| good	7.034 \| good	31.052 \| good	32.312 \| good	0.503 \| good	1.886 \| good	0.133 \| good
2025-10-21T00:00:00.000Z	44 \| good	8.049 \| good	35.209 \| good	31.142 \| good	0.46 \| good	2.399 \| good	0.136 \| good
2025-10-21T01:00:00.000Z	38 \| good	7.424 \| good	32.888 \| good	30.201 \| good	0.385 \| good	2.15 \| good	0.13 \| good
2025-10-21T02:00:00.000Z	38 \| good	7.088 \| good	31.209 \| good	29.165 \| good	0.35 \| good	2.149 \| good	0.127 \| good
2025-10-21T03:00:00.000Z	31 \| good	5.378 \| good	22.94 \| good	32.682 \| good	0.316 \| good	2.148 \| good	0.125 \| good
2025-10-21T04:00:00.000Z	31 \| good	5.158 \| good	22.098 \| good	34.107 \| good	0.538 \| good	1.946 \| good	0.121 \| good
2025-10-21T05:00:00.000Z	28 \| good	5.452 \| good	23.209 \| good	30.265 \| good	0.76 \| good	1.743 \| good	0.117 \| good
2025-10-21T06:00:00.000Z	33 \| good	5.927 \| good	26.897 \| good	24.159 \| good	0.982 \| good	1.541 \| good	0.113 \| good
2025-10-21T07:00:00.000Z	33 \| good	6.447 \| good	28.948 \| good	19.276 \| good	0.964 \| good	1.505 \| good	0.114 \| good
2025-10-21T08:00:00.000Z	33 \| good	6.375 \| good	28.098 \| good	20.813 \| good	0.946 \| good	1.469 \| good	0.116 \| good
2025-10-21T09:00:00.000Z	33 \| good	5.687 \| good	24.149 \| good	22.022 \| good	0.928 \| good	1.434 \| good	0.117 \| good
2025-10-21T10:00:00.000Z	27 \| good	4.953 \| good	21.209 \| good	25.992 \| good	0.833 \| good	1.358 \| good	0.117 \| good
2025-10-21T11:00:00.000Z	27 \| good	4.521 \| good	19.888 \| good	25.937 \| good	0.738 \| good	1.282 \| good	0.117 \| good
2025-10-21T12:00:00.000Z	22 \| good	4.229 \| good	18.837 \| good	20.911 \| good	0.674 \| good	1.201 \| good	0.123 \| good
2025-10-21T13:00:00.000Z	22 \| good	3.276 \| good	14.209 \| good	23.805 \| good	0.629 \| good	1.135 \| good	0.124 \| good
2025-10-21T14:00:00.000Z	20 \| good	2.991 \| good	12 \| good	22.122 \| good	0.585 \| good	1.069 \| good	0.124 \| good
2025-10-21T15:00:00.000Z	17 \| good	2.823 \| good	11.888 \| good	18.443 \| good	0.541 \| good	1.003 \| good	0.125 \| good
2025-10-21T16:00:00.000Z	18 \| good	2.768 \| good	11.261 \| good	18.535 \| good	0.408 \| good	1.068 \| good	0.126 \| good
2025-10-21T17:00:00.000Z	22 \| good	3.625 \| good	16 \| good	17.171 \| good	0.275 \| good	1.133 \| good	0.126 \| good
2025-10-21T18:00:00.000Z	22 \| good	4.358 \| good	19 \| good	16.752 \| good	0.142 \| good	1.198 \| good	0.127 \| good
2025-10-21T19:00:00.000Z	22 \| good	4.496 \| good	19.209 \| good	19.705 \| good	0.159 \| good	1.293 \| good	0.125 \| good
2025-10-21T20:00:00.000Z	22 \| good	3.912 \| good	17.209 \| good	22.135 \| good	0.176 \| good	1.388 \| good	0.123 \| good
2025-10-21T21:00:00.000Z	22 \| good	3.847 \| good	16.888 \| good	24.293 \| good	0.193 \| good	1.483 \| good	0.121 \| good
2025-10-21T22:00:00.000Z	25 \| good	3.429 \| good	15.209 \| good	26.968 \| good	0.181 \| good	1.52 \| good	0.121 \| good
2025-10-21T23:00:00.000Z	24 \| good	3.273 \| good	14.209 \| good	25.79 \| good	0.17 \| good	1.556 \| good	0.12 \| good
2025-10-22T00:00:00.000Z	26 \| good	3.306 \| good	14.888 \| good	27.966 \| good	0.14 \| good	1.459 \| good	0.121 \| good
2025-10-22T01:00:00.000Z	22 \| good	2.99 \| good	12 \| good	23.549 \| good	0.142 \| good	1.406 \| good	0.121 \| good
2025-10-22T02:00:00.000Z	23 \| good	2.737 \| good	11.158 \| good	25.002 \| good	0.144 \| good	1.353 \| good	0.121 \| good
2025-10-22T03:00:00.000Z	21 \| good	2.832 \| good	11.888 \| good	23.261 \| good	0.145 \| good	1.3 \| good	0.121 \| good
2025-10-22T04:00:00.000Z	21 \| good	2.787 \| good	11.209 \| good	22.62 \| good	0.147 \| good	1.241 \| good	0.121 \| good
2025-10-22T05:00:00.000Z	20 \| good	2.826 \| good	11.888 \| good	22.21 \| good	0.148 \| good	1.181 \| good	0.121 \| good
2025-10-22T06:00:00.000Z	19 \| good	2.814 \| good	11.888 \| good	21.007 \| good	0.149 \| good	1.122 \| good	0.121 \| good
2025-10-22T07:00:00.000Z	18 \| good	2.781 \| good	11 \| good	19.102 \| good	0.152 \| good	1.09 \| good	0.121 \| good
2025-10-22T08:00:00.000Z	19 \| good	2.862 \| good	12 \| good	20.988 \| good	0.156 \| good	1.058 \| good	0.121 \| good
2025-10-22T09:00:00.000Z	19 \| good	3.036 \| good	12 \| good	20.779 \| good	0.159 \| good	1.026 \| good	0.121 \| good
2025-10-22T10:00:00.000Z	21 \| good	3.151 \| good	14 \| good	22.907 \| good	0.16 \| good	1.036 \| good	0.121 \| good
2025-10-22T10:00:00.000Z	20 \| good	1.537 \| good	7.538 \| good	21.57 \| good	0.401 \| good	2.112 \| good	0.188 \| good
2025-10-22T11:00:00.000Z	21 \| good	3.125 \| good	13.9 \| good	22.748 \| good	0.161 \| good	1.046 \| good	0.121 \| good
2025-10-22T12:00:00.000Z	18 \| good	2.971 \| good	12 \| good	19.407 \| good	0.162 \| good	1.057 \| good	0.122 \| good
2025-10-22T13:00:00.000Z	19 \| good	2.732 \| good	11 \| good	20.439 \| good	0.164 \| good	1.1 \| good	0.122 \| good
2025-10-22T14:00:00.000Z	18 \| good	2.585 \| good	10.121 \| good	19.464 \| good	0.167 \| good	1.142 \| good	0.123 \| good
2025-10-22T15:00:00.000Z	18 \| good	2.441 \| good	10 \| good	18.513 \| good	0.169 \| good	1.185 \| good	0.124 \| good
2025-10-22T16:00:00.000Z	19 \| good	2.383 \| good	9.97 \| good	21.414 \| good	0.156 \| good	1.157 \| good	0.125 \| good
2025-10-22T17:00:00.000Z	21 \| good	2.416 \| good	9.942 \| good	23.388 \| good	0.143 \| good	1.128 \| good	0.125 \| good
2025-10-22T18:00:00.000Z	18 \| good	2.773 \| good	11.107 \| good	19.344 \| good	0.129 \| good	1.1 \| good	0.126 \| good
2025-10-22T19:00:00.000Z	20 \| good	3.157 \| good	13.562 \| good	21.724 \| good	0.13 \| good	1.158 \| good	0.126 \| good
2025-10-22T20:00:00.000Z	21 \| good	3.196 \| good	13.627 \| good	23.227 \| good	0.13 \| good	1.216 \| good	0.126 \| good
2025-10-22T21:00:00.000Z	21 \| good	3.089 \| good	13.389 \| good	23.048 \| good	0.131 \| good	1.273 \| good	0.127 \| good
2025-10-22T22:00:00.000Z	22 \| good	3.134 \| good	13.562 \| good	24.359 \| good	0.145 \| good	1.513 \| good	0.128 \| good
2025-10-22T23:00:00.000Z	19 \| good	3.486 \| good	15.674 \| good	19.961 \| good	0.16 \| good	1.752 \| good	0.129 \| good
2025-10-23T00:00:00.000Z	22 \| good	3.842 \| good	16.784 \| good	19.878 \| good	0.174 \| good	1.991 \| good	0.13 \| good
2025-10-23T01:00:00.000Z	22 \| good	3.934 \| good	16.998 \| good	14.718 \| good	0.192 \| good	2.091 \| good	0.131 \| good
2025-10-23T02:00:00.000Z	22 \| good	3.905 \| good	16.998 \| good	18.026 \| good	0.211 \| good	2.191 \| good	0.131 \| good
2025-10-23T03:00:00.000Z	22 \| good	3.89 \| good	16.97 \| good	14.711 \| good	0.23 \| good	2.292 \| good	0.131 \| good
2025-10-23T04:00:00.000Z	22 \| good	3.944 \| good	17.077 \| good	17.97 \| good	0.243 \| good	2.428 \| good	0.132 \| good
2025-10-23T05:00:00.000Z	22 \| good	4.064 \| good	17.909 \| good	12.313 \| good	0.256 \| good	2.564 \| good	0.133 \| good
2025-10-23T06:00:00.000Z	22 \| good	4.24 \| good	18.894 \| good	11.6 \| good	0.269 \| good	2.7 \| good	0.134 \| good
2025-10-23T07:00:00.000Z	22 \| good	4.493 \| good	19.298 \| good	8.883 \| good	0.286 \| good	2.794 \| good	0.135 \| good
2025-10-23T08:00:00.000Z	27 \| good	4.749 \| good	20.923 \| good	4.035 \| good	0.303 \| good	2.888 \| good	0.136 \| good
2025-10-23T09:00:00.000Z	27 \| good	4.994 \| good	21.304 \| good	3.324 \| good	0.32 \| good	2.983 \| good	0.136 \| good
2025-10-23T10:00:00.000Z	27 \| good	5.273 \| good	22.931 \| good	4.879 \| good	0.328 \| good	3.051 \| good	0.137 \| good
2025-10-23T11:00:00.000Z	33 \| good	5.587 \| good	24 \| good	2.719 \| good	0.336 \| good	3.119 \| good	0.137 \| good
2025-10-23T12:00:00.000Z	33 \| good	5.951 \| good	26.736 \| good	2.43 \| good	0.344 \| good	3.188 \| good	0.138 \| good
2025-10-23T13:00:00.000Z	33 \| good	6.358 \| good	28.087 \| good	3.477 \| good	0.352 \| good	2.842 \| good	0.138 \| good
2025-10-23T14:00:00.000Z	22 \| good	4.418 \| good	19.091 \| good	9.418 \| good	0.36 \| good	2.497 \| good	0.138 \| good
2025-10-23T15:00:00.000Z	16 \| good	3.182 \| good	13.912 \| good	11.72 \| good	0.367 \| good	2.152 \| good	0.139 \| good
2025-10-23T16:00:00.000Z	16 \| good	3.045 \| good	12.242 \| good	14.842 \| good	0.319 \| good	1.679 \| good	0.133 \| good
2025-10-23T17:00:00.000Z	18 \| good	3.068 \| good	12.242 \| good	18.727 \| good	0.27 \| good	1.206 \| good	0.128 \| good
2025-10-23T18:00:00.000Z	19 \| good	3.048 \| good	12.242 \| good	20.04 \| good	0.222 \| good	0.733 \| good	0.123 \| good
2025-10-23T19:00:00.000Z	19 \| good	3.101 \| good	13.351 \| good	21.384 \| good	0.243 \| good	0.808 \| good	0.123 \| good
2025-10-23T20:00:00.000Z	24 \| good	3.22 \| good	13.627 \| good	25.859 \| good	0.265 \| good	0.884 \| good	0.123 \| good
2025-10-23T21:00:00.000Z	19 \| good	3.498 \| good	15.731 \| good	20.744 \| good	0.286 \| good	0.959 \| good	0.122 \| good
2025-10-23T22:00:00.000Z	22 \| good	4.25 \| good	18.718 \| good	18.537 \| good	0.299 \| good	1.563 \| good	0.127 \| good
2025-10-23T23:00:00.000Z	27 \| good	5.166 \| good	22.172 \| good	16.137 \| good	0.312 \| good	2.167 \| good	0.132 \| good
2025-10-24T00:00:00.000Z	33 \| good	6.072 \| good	27.031 \| good	18.233 \| good	0.325 \| good	2.771 \| good	0.137 \| good
2025-10-24T01:00:00.000Z	38 \| good	7.159 \| good	31.41 \| good	13.881 \| good	0.326 \| good	3.105 \| good	0.14 \| good
2025-10-24T02:00:00.000Z	44 \| good	8.021 \| good	35.477 \| good	18.256 \| good	0.327 \| good	3.439 \| good	0.143 \| good
2025-10-24T03:00:00.000Z	49 \| good	8.648 \| good	37.736 \| good	17.929 \| good	0.328 \| good	3.774 \| good	0.146 \| good
2025-10-24T04:00:00.000Z	49 \| good	9.154 \| good	41.282 \| good	16.626 \| good	0.314 \| good	3.936 \| good	0.147 \| good
2025-10-24T05:00:00.000Z	52 \| moderate	9.57 \| good	42.703 \| good	12.504 \| good	0.299 \| good	4.097 \| good	0.148 \| good
2025-10-24T06:00:00.000Z	27 \| good	4.666 \| good	4.836 \| good	20.968 \| good	0.285 \| good	4.274 \| good	0.149 \| good
2025-10-24T07:00:00.000Z	52 \| moderate	9.928 \| good	44.244 \| good	13.628 \| good	0.278 \| good	4.267 \| good	0.148 \| good
2025-10-24T08:00:00.000Z	52 \| moderate	10.098 \| good	45.215 \| good	10.634 \| good	0.271 \| good	4.275 \| good	0.147 \| good
2025-10-24T09:00:00.000Z	52 \| moderate	10.305 \| good	45.637 \| good	6.343 \| good	0.263 \| good	4.283 \| good	0.147 \| good
2025-10-24T10:00:00.000Z	52 \| moderate	10.483 \| good	46.359 \| good	6.4 \| good	0.273 \| good	4.677 \| good	0.149 \| good

Onalaska

Empower business decisions with accurate air quality data

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

0.15ppm

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 11:00:00, 2025-10-21.

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

The best air quality in Onalaska, Wisconsin was observed at 03:00:00 on 2025-10-21.

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

The air quality in Onalaska, Wisconsin right now is Good, with an AQI of 20.

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 1.537 μg/m³.

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

Onalaska, Wisconsin currently has a PM₁₀ concentration of 7.538 μg/m³.

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

The current carbon monoxide (CO) level in Onalaska, Wisconsin is 0.188 ppm.

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

The current sulfur dioxide (SO₂) concentration in Onalaska, Wisconsin is 0.401 ppb.

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

Onalaska, Wisconsin currently has an ozone (O₃) concentration of 21.57 ppm.

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

The current level of nitrogen dioxide (NO₂) in Onalaska, Wisconsin is 2.112 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-10-20T11:00:00.000Z	38 \| good	6.882 \| good	30.261 \| good	22.066 \| good	0.361 \| good	3.32 \| good	0.144 \| good
2025-10-20T12:00:00.000Z	38 \| good	7.303 \| good	32.261 \| good	15.432 \| good	0.402 \| good	2.694 \| good	0.149 \| good
2025-10-20T13:00:00.000Z	38 \| good	7.198 \| good	32 \| good	22.584 \| good	0.433 \| good	2.495 \| good	0.149 \| good
2025-10-20T14:00:00.000Z	38 \| good	6.521 \| good	29.112 \| good	24.603 \| good	0.465 \| good	2.296 \| good	0.149 \| good
2025-10-20T15:00:00.000Z	33 \| good	6.199 \| good	27.261 \| good	24.302 \| good	0.496 \| good	2.097 \| good	0.149 \| good
2025-10-20T16:00:00.000Z	27 \| good	4.478 \| good	19.261 \| good	29.112 \| good	0.529 \| good	1.755 \| good	0.145 \| good
2025-10-20T17:00:00.000Z	32 \| good	4.585 \| good	20 \| good	34.675 \| good	0.563 \| good	1.413 \| good	0.14 \| good
2025-10-20T18:00:00.000Z	35 \| good	4.904 \| good	21 \| good	37.775 \| good	0.596 \| good	1.07 \| good	0.136 \| good
2025-10-20T19:00:00.000Z	38 \| good	5.315 \| good	23 \| good	41.245 \| good	0.593 \| good	1 \| good	0.133 \| good
2025-10-20T20:00:00.000Z	36 \| good	5.592 \| good	24 \| good	39.282 \| good	0.591 \| good	0.931 \| good	0.13 \| good
2025-10-20T21:00:00.000Z	35 \| good	6.013 \| good	27 \| good	38.083 \| good	0.589 \| good	0.861 \| good	0.127 \| good
2025-10-20T22:00:00.000Z	38 \| good	6.642 \| good	29.948 \| good	40.085 \| good	0.546 \| good	1.373 \| good	0.13 \| good
2025-10-20T23:00:00.000Z	38 \| good	7.034 \| good	31.052 \| good	32.312 \| good	0.503 \| good	1.886 \| good	0.133 \| good
2025-10-21T00:00:00.000Z	44 \| good	8.049 \| good	35.209 \| good	31.142 \| good	0.46 \| good	2.399 \| good	0.136 \| good
2025-10-21T01:00:00.000Z	38 \| good	7.424 \| good	32.888 \| good	30.201 \| good	0.385 \| good	2.15 \| good	0.13 \| good
2025-10-21T02:00:00.000Z	38 \| good	7.088 \| good	31.209 \| good	29.165 \| good	0.35 \| good	2.149 \| good	0.127 \| good
2025-10-21T03:00:00.000Z	31 \| good	5.378 \| good	22.94 \| good	32.682 \| good	0.316 \| good	2.148 \| good	0.125 \| good
2025-10-21T04:00:00.000Z	31 \| good	5.158 \| good	22.098 \| good	34.107 \| good	0.538 \| good	1.946 \| good	0.121 \| good
2025-10-21T05:00:00.000Z	28 \| good	5.452 \| good	23.209 \| good	30.265 \| good	0.76 \| good	1.743 \| good	0.117 \| good
2025-10-21T06:00:00.000Z	33 \| good	5.927 \| good	26.897 \| good	24.159 \| good	0.982 \| good	1.541 \| good	0.113 \| good
2025-10-21T07:00:00.000Z	33 \| good	6.447 \| good	28.948 \| good	19.276 \| good	0.964 \| good	1.505 \| good	0.114 \| good
2025-10-21T08:00:00.000Z	33 \| good	6.375 \| good	28.098 \| good	20.813 \| good	0.946 \| good	1.469 \| good	0.116 \| good
2025-10-21T09:00:00.000Z	33 \| good	5.687 \| good	24.149 \| good	22.022 \| good	0.928 \| good	1.434 \| good	0.117 \| good
2025-10-21T10:00:00.000Z	27 \| good	4.953 \| good	21.209 \| good	25.992 \| good	0.833 \| good	1.358 \| good	0.117 \| good
2025-10-21T11:00:00.000Z	27 \| good	4.521 \| good	19.888 \| good	25.937 \| good	0.738 \| good	1.282 \| good	0.117 \| good
2025-10-21T12:00:00.000Z	22 \| good	4.229 \| good	18.837 \| good	20.911 \| good	0.674 \| good	1.201 \| good	0.123 \| good
2025-10-21T13:00:00.000Z	22 \| good	3.276 \| good	14.209 \| good	23.805 \| good	0.629 \| good	1.135 \| good	0.124 \| good
2025-10-21T14:00:00.000Z	20 \| good	2.991 \| good	12 \| good	22.122 \| good	0.585 \| good	1.069 \| good	0.124 \| good
2025-10-21T15:00:00.000Z	17 \| good	2.823 \| good	11.888 \| good	18.443 \| good	0.541 \| good	1.003 \| good	0.125 \| good
2025-10-21T16:00:00.000Z	18 \| good	2.768 \| good	11.261 \| good	18.535 \| good	0.408 \| good	1.068 \| good	0.126 \| good
2025-10-21T17:00:00.000Z	22 \| good	3.625 \| good	16 \| good	17.171 \| good	0.275 \| good	1.133 \| good	0.126 \| good
2025-10-21T18:00:00.000Z	22 \| good	4.358 \| good	19 \| good	16.752 \| good	0.142 \| good	1.198 \| good	0.127 \| good
2025-10-21T19:00:00.000Z	22 \| good	4.496 \| good	19.209 \| good	19.705 \| good	0.159 \| good	1.293 \| good	0.125 \| good
2025-10-21T20:00:00.000Z	22 \| good	3.912 \| good	17.209 \| good	22.135 \| good	0.176 \| good	1.388 \| good	0.123 \| good
2025-10-21T21:00:00.000Z	22 \| good	3.847 \| good	16.888 \| good	24.293 \| good	0.193 \| good	1.483 \| good	0.121 \| good
2025-10-21T22:00:00.000Z	25 \| good	3.429 \| good	15.209 \| good	26.968 \| good	0.181 \| good	1.52 \| good	0.121 \| good
2025-10-21T23:00:00.000Z	24 \| good	3.273 \| good	14.209 \| good	25.79 \| good	0.17 \| good	1.556 \| good	0.12 \| good
2025-10-22T00:00:00.000Z	26 \| good	3.306 \| good	14.888 \| good	27.966 \| good	0.14 \| good	1.459 \| good	0.121 \| good
2025-10-22T01:00:00.000Z	22 \| good	2.99 \| good	12 \| good	23.549 \| good	0.142 \| good	1.406 \| good	0.121 \| good
2025-10-22T02:00:00.000Z	23 \| good	2.737 \| good	11.158 \| good	25.002 \| good	0.144 \| good	1.353 \| good	0.121 \| good
2025-10-22T03:00:00.000Z	21 \| good	2.832 \| good	11.888 \| good	23.261 \| good	0.145 \| good	1.3 \| good	0.121 \| good
2025-10-22T04:00:00.000Z	21 \| good	2.787 \| good	11.209 \| good	22.62 \| good	0.147 \| good	1.241 \| good	0.121 \| good
2025-10-22T05:00:00.000Z	20 \| good	2.826 \| good	11.888 \| good	22.21 \| good	0.148 \| good	1.181 \| good	0.121 \| good
2025-10-22T06:00:00.000Z	19 \| good	2.814 \| good	11.888 \| good	21.007 \| good	0.149 \| good	1.122 \| good	0.121 \| good
2025-10-22T07:00:00.000Z	18 \| good	2.781 \| good	11 \| good	19.102 \| good	0.152 \| good	1.09 \| good	0.121 \| good
2025-10-22T08:00:00.000Z	19 \| good	2.862 \| good	12 \| good	20.988 \| good	0.156 \| good	1.058 \| good	0.121 \| good
2025-10-22T09:00:00.000Z	19 \| good	3.036 \| good	12 \| good	20.779 \| good	0.159 \| good	1.026 \| good	0.121 \| good
2025-10-22T10:00:00.000Z	21 \| good	3.151 \| good	14 \| good	22.907 \| good	0.16 \| good	1.036 \| good	0.121 \| good
2025-10-22T10:00:00.000Z	20 \| good	1.537 \| good	7.538 \| good	21.57 \| good	0.401 \| good	2.112 \| good	0.188 \| good
2025-10-22T11:00:00.000Z	21 \| good	3.125 \| good	13.9 \| good	22.748 \| good	0.161 \| good	1.046 \| good	0.121 \| good
2025-10-22T12:00:00.000Z	18 \| good	2.971 \| good	12 \| good	19.407 \| good	0.162 \| good	1.057 \| good	0.122 \| good
2025-10-22T13:00:00.000Z	19 \| good	2.732 \| good	11 \| good	20.439 \| good	0.164 \| good	1.1 \| good	0.122 \| good
2025-10-22T14:00:00.000Z	18 \| good	2.585 \| good	10.121 \| good	19.464 \| good	0.167 \| good	1.142 \| good	0.123 \| good
2025-10-22T15:00:00.000Z	18 \| good	2.441 \| good	10 \| good	18.513 \| good	0.169 \| good	1.185 \| good	0.124 \| good
2025-10-22T16:00:00.000Z	19 \| good	2.383 \| good	9.97 \| good	21.414 \| good	0.156 \| good	1.157 \| good	0.125 \| good
2025-10-22T17:00:00.000Z	21 \| good	2.416 \| good	9.942 \| good	23.388 \| good	0.143 \| good	1.128 \| good	0.125 \| good
2025-10-22T18:00:00.000Z	18 \| good	2.773 \| good	11.107 \| good	19.344 \| good	0.129 \| good	1.1 \| good	0.126 \| good
2025-10-22T19:00:00.000Z	20 \| good	3.157 \| good	13.562 \| good	21.724 \| good	0.13 \| good	1.158 \| good	0.126 \| good
2025-10-22T20:00:00.000Z	21 \| good	3.196 \| good	13.627 \| good	23.227 \| good	0.13 \| good	1.216 \| good	0.126 \| good
2025-10-22T21:00:00.000Z	21 \| good	3.089 \| good	13.389 \| good	23.048 \| good	0.131 \| good	1.273 \| good	0.127 \| good
2025-10-22T22:00:00.000Z	22 \| good	3.134 \| good	13.562 \| good	24.359 \| good	0.145 \| good	1.513 \| good	0.128 \| good
2025-10-22T23:00:00.000Z	19 \| good	3.486 \| good	15.674 \| good	19.961 \| good	0.16 \| good	1.752 \| good	0.129 \| good
2025-10-23T00:00:00.000Z	22 \| good	3.842 \| good	16.784 \| good	19.878 \| good	0.174 \| good	1.991 \| good	0.13 \| good
2025-10-23T01:00:00.000Z	22 \| good	3.934 \| good	16.998 \| good	14.718 \| good	0.192 \| good	2.091 \| good	0.131 \| good
2025-10-23T02:00:00.000Z	22 \| good	3.905 \| good	16.998 \| good	18.026 \| good	0.211 \| good	2.191 \| good	0.131 \| good
2025-10-23T03:00:00.000Z	22 \| good	3.89 \| good	16.97 \| good	14.711 \| good	0.23 \| good	2.292 \| good	0.131 \| good
2025-10-23T04:00:00.000Z	22 \| good	3.944 \| good	17.077 \| good	17.97 \| good	0.243 \| good	2.428 \| good	0.132 \| good
2025-10-23T05:00:00.000Z	22 \| good	4.064 \| good	17.909 \| good	12.313 \| good	0.256 \| good	2.564 \| good	0.133 \| good
2025-10-23T06:00:00.000Z	22 \| good	4.24 \| good	18.894 \| good	11.6 \| good	0.269 \| good	2.7 \| good	0.134 \| good
2025-10-23T07:00:00.000Z	22 \| good	4.493 \| good	19.298 \| good	8.883 \| good	0.286 \| good	2.794 \| good	0.135 \| good
2025-10-23T08:00:00.000Z	27 \| good	4.749 \| good	20.923 \| good	4.035 \| good	0.303 \| good	2.888 \| good	0.136 \| good
2025-10-23T09:00:00.000Z	27 \| good	4.994 \| good	21.304 \| good	3.324 \| good	0.32 \| good	2.983 \| good	0.136 \| good
2025-10-23T10:00:00.000Z	27 \| good	5.273 \| good	22.931 \| good	4.879 \| good	0.328 \| good	3.051 \| good	0.137 \| good
2025-10-23T11:00:00.000Z	33 \| good	5.587 \| good	24 \| good	2.719 \| good	0.336 \| good	3.119 \| good	0.137 \| good
2025-10-23T12:00:00.000Z	33 \| good	5.951 \| good	26.736 \| good	2.43 \| good	0.344 \| good	3.188 \| good	0.138 \| good
2025-10-23T13:00:00.000Z	33 \| good	6.358 \| good	28.087 \| good	3.477 \| good	0.352 \| good	2.842 \| good	0.138 \| good
2025-10-23T14:00:00.000Z	22 \| good	4.418 \| good	19.091 \| good	9.418 \| good	0.36 \| good	2.497 \| good	0.138 \| good
2025-10-23T15:00:00.000Z	16 \| good	3.182 \| good	13.912 \| good	11.72 \| good	0.367 \| good	2.152 \| good	0.139 \| good
2025-10-23T16:00:00.000Z	16 \| good	3.045 \| good	12.242 \| good	14.842 \| good	0.319 \| good	1.679 \| good	0.133 \| good
2025-10-23T17:00:00.000Z	18 \| good	3.068 \| good	12.242 \| good	18.727 \| good	0.27 \| good	1.206 \| good	0.128 \| good
2025-10-23T18:00:00.000Z	19 \| good	3.048 \| good	12.242 \| good	20.04 \| good	0.222 \| good	0.733 \| good	0.123 \| good
2025-10-23T19:00:00.000Z	19 \| good	3.101 \| good	13.351 \| good	21.384 \| good	0.243 \| good	0.808 \| good	0.123 \| good
2025-10-23T20:00:00.000Z	24 \| good	3.22 \| good	13.627 \| good	25.859 \| good	0.265 \| good	0.884 \| good	0.123 \| good
2025-10-23T21:00:00.000Z	19 \| good	3.498 \| good	15.731 \| good	20.744 \| good	0.286 \| good	0.959 \| good	0.122 \| good
2025-10-23T22:00:00.000Z	22 \| good	4.25 \| good	18.718 \| good	18.537 \| good	0.299 \| good	1.563 \| good	0.127 \| good
2025-10-23T23:00:00.000Z	27 \| good	5.166 \| good	22.172 \| good	16.137 \| good	0.312 \| good	2.167 \| good	0.132 \| good
2025-10-24T00:00:00.000Z	33 \| good	6.072 \| good	27.031 \| good	18.233 \| good	0.325 \| good	2.771 \| good	0.137 \| good
2025-10-24T01:00:00.000Z	38 \| good	7.159 \| good	31.41 \| good	13.881 \| good	0.326 \| good	3.105 \| good	0.14 \| good
2025-10-24T02:00:00.000Z	44 \| good	8.021 \| good	35.477 \| good	18.256 \| good	0.327 \| good	3.439 \| good	0.143 \| good
2025-10-24T03:00:00.000Z	49 \| good	8.648 \| good	37.736 \| good	17.929 \| good	0.328 \| good	3.774 \| good	0.146 \| good
2025-10-24T04:00:00.000Z	49 \| good	9.154 \| good	41.282 \| good	16.626 \| good	0.314 \| good	3.936 \| good	0.147 \| good
2025-10-24T05:00:00.000Z	52 \| moderate	9.57 \| good	42.703 \| good	12.504 \| good	0.299 \| good	4.097 \| good	0.148 \| good
2025-10-24T06:00:00.000Z	27 \| good	4.666 \| good	4.836 \| good	20.968 \| good	0.285 \| good	4.274 \| good	0.149 \| good
2025-10-24T07:00:00.000Z	52 \| moderate	9.928 \| good	44.244 \| good	13.628 \| good	0.278 \| good	4.267 \| good	0.148 \| good
2025-10-24T08:00:00.000Z	52 \| moderate	10.098 \| good	45.215 \| good	10.634 \| good	0.271 \| good	4.275 \| good	0.147 \| good
2025-10-24T09:00:00.000Z	52 \| moderate	10.305 \| good	45.637 \| good	6.343 \| good	0.263 \| good	4.283 \| good	0.147 \| good
2025-10-24T10:00:00.000Z	52 \| moderate	10.483 \| good	46.359 \| good	6.4 \| good	0.273 \| good	4.677 \| good	0.149 \| 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?

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

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