What is the current concentration of PM10 in La Crosse, Wisconsin?

The current PM10 concentration at La Crosse, Wisconsin is 3.052 μg/m3.

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

The current sulfur dioxide (SO2) concentration at La Crosse, Wisconsin is 0.166 ppb.

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

The current ozone (O3) concentration at La Crosse, Wisconsin is 19.781 ppm.

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

The current nitrogen dioxide (NO2) concentration at La Crosse, Wisconsin is 1.448 ppb.

La Crosse, Wisconsin live air quality index now

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

The current PM2.5 concentration at La Crosse, Wisconsin is 0.888 μg/m3.

Stay updated with real-time air quality in La Crosse, 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

La Crosse, Wisconsin

Last updated: ... (Local time)

Major air pollutants in La Crosse, Wisconsin

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

0.89 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

3.05 μg/m³

155

255

425

605+

Ozone (O₃)

19.78 ppb

201

201+

Sulfur Dioxide (SO₂)

0.17 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

1.45 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.14 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

Low

La Crosse, Wisconsin

Get Live Pollen Counts

La Crosse, Wisconsin

Scroll To Air Quality Map

Track live La Crosse, Wisconsin air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T03:00:00.000Z	24 \| good	3.364 \| good	15 \| good	26.108 \| good	0.241 \| good	3.525 \| good	0.177 \| good
2026-01-21T04:00:00.000Z	22 \| good	3.76 \| good	16.06 \| good	20.762 \| good	0.232 \| good	3.574 \| good	0.18 \| good
2026-01-21T05:00:00.000Z	22 \| good	4.091 \| good	18 \| good	19.072 \| good	0.223 \| good	3.624 \| good	0.184 \| good
2026-01-21T06:00:00.000Z	22 \| good	4.311 \| good	18.948 \| good	19.961 \| good	0.215 \| good	3.674 \| good	0.188 \| good
2026-01-21T07:00:00.000Z	27 \| good	4.506 \| good	19.679 \| good	16.811 \| good	0.235 \| good	3.817 \| good	0.19 \| good
2026-01-21T08:00:00.000Z	27 \| good	4.677 \| good	20.679 \| good	12.845 \| good	0.256 \| good	3.961 \| good	0.193 \| good
2026-01-21T09:00:00.000Z	27 \| good	4.833 \| good	20.948 \| good	16.299 \| good	0.276 \| good	4.104 \| good	0.195 \| good
2026-01-21T10:00:00.000Z	27 \| good	4.902 \| good	21.052 \| good	21.052 \| good	0.269 \| good	4.067 \| good	0.195 \| good
2026-01-21T11:00:00.000Z	27 \| good	5.023 \| good	21.679 \| good	25.291 \| good	0.262 \| good	4.03 \| good	0.196 \| good
2026-01-21T12:00:00.000Z	38 \| good	6.786 \| good	30 \| good	7.884 \| good	0.214 \| good	3.365 \| good	0.192 \| good
2026-01-21T13:00:00.000Z	38 \| good	6.735 \| good	29.948 \| good	15.764 \| good	0.231 \| good	3.167 \| good	0.189 \| good
2026-01-21T14:00:00.000Z	38 \| good	6.551 \| good	28.94 \| good	16.419 \| good	0.248 \| good	2.968 \| good	0.185 \| good
2026-01-21T15:00:00.000Z	33 \| good	6.175 \| good	27.209 \| good	15.094 \| good	0.266 \| good	2.77 \| good	0.181 \| good
2026-01-21T16:00:00.000Z	33 \| good	5.975 \| good	26.897 \| good	18.058 \| good	0.321 \| good	2.295 \| good	0.175 \| good
2026-01-21T17:00:00.000Z	33 \| good	6.458 \| good	29 \| good	17.967 \| good	0.376 \| good	1.82 \| good	0.169 \| good
2026-01-21T18:00:00.000Z	38 \| good	6.585 \| good	29.261 \| good	21.483 \| good	0.431 \| good	1.345 \| good	0.163 \| good
2026-01-21T19:00:00.000Z	33 \| good	6.153 \| good	27 \| good	26.819 \| good	0.368 \| good	1.478 \| good	0.163 \| good
2026-01-21T20:00:00.000Z	38 \| good	6.727 \| good	30 \| good	23.098 \| good	0.306 \| good	1.612 \| good	0.163 \| good
2026-01-21T21:00:00.000Z	38 \| good	6.984 \| good	31 \| good	19.843 \| good	0.244 \| good	1.746 \| good	0.164 \| good
2026-01-21T22:00:00.000Z	44 \| good	8.027 \| good	35.321 \| good	21.746 \| good	0.23 \| good	2.11 \| good	0.168 \| good
2026-01-21T23:00:00.000Z	54 \| moderate	11.293 \| good	50.209 \| good	22.281 \| good	0.217 \| good	2.473 \| good	0.171 \| good
2026-01-22T00:00:00.000Z	49 \| good	8.856 \| good	39.144 \| good	26.294 \| good	0.203 \| good	2.837 \| good	0.175 \| good
2026-01-22T01:00:00.000Z	38 \| good	6.571 \| good	29.098 \| good	20.666 \| good	0.192 \| good	2.967 \| good	0.174 \| good
2026-01-22T02:00:00.000Z	27 \| good	4.737 \| good	20.837 \| good	24.915 \| good	0.215 \| good	2.32 \| good	0.164 \| good
2026-01-22T03:00:00.000Z	22 \| good	3.977 \| good	17.209 \| good	24.448 \| good	0.238 \| good	1.672 \| good	0.155 \| good
2026-01-22T04:00:00.000Z	23 \| good	3.77 \| good	16.261 \| good	24.961 \| good	0.21 \| good	1.495 \| good	0.151 \| good
2026-01-22T05:00:00.000Z	24 \| good	3.8 \| good	16.321 \| good	26.235 \| good	0.183 \| good	1.318 \| good	0.147 \| good
2026-01-22T06:00:00.000Z	26 \| good	4.009 \| good	17.948 \| good	27.877 \| good	0.155 \| good	1.141 \| good	0.143 \| good
2026-01-22T07:00:00.000Z	22 \| good	4.076 \| good	18 \| good	24.01 \| good	0.151 \| good	1.052 \| good	0.142 \| good
2026-01-22T08:00:00.000Z	22 \| good	3.785 \| good	16.261 \| good	24.284 \| good	0.146 \| good	0.964 \| good	0.141 \| good
2026-01-22T09:00:00.000Z	24 \| good	3.636 \| good	16 \| good	26.166 \| good	0.141 \| good	0.875 \| good	0.14 \| good
2026-01-22T10:00:00.000Z	24 \| good	3.558 \| good	16 \| good	25.516 \| good	0.13 \| good	0.916 \| good	0.14 \| good
2026-01-22T11:00:00.000Z	24 \| good	3.662 \| good	16 \| good	26.102 \| good	0.119 \| good	0.957 \| good	0.141 \| good
2026-01-22T12:00:00.000Z	19 \| good	3.284 \| good	14.052 \| good	20.782 \| good	0.135 \| good	1.016 \| good	0.154 \| good
2026-01-22T13:00:00.000Z	18 \| good	3.035 \| good	12 \| good	19.361 \| good	0.156 \| good	1.126 \| good	0.159 \| good
2026-01-22T14:00:00.000Z	16 \| good	3.13 \| good	14 \| good	17.335 \| good	0.178 \| good	1.236 \| good	0.164 \| good
2026-01-22T15:00:00.000Z	16 \| good	3.239 \| good	14.158 \| good	14.944 \| good	0.199 \| good	1.347 \| good	0.169 \| good
2026-01-22T16:00:00.000Z	16 \| good	3.089 \| good	12.522 \| good	16.776 \| good	0.248 \| good	1.165 \| good	0.166 \| good
2026-01-22T17:00:00.000Z	19 \| good	2.791 \| good	11.679 \| good	20.773 \| good	0.298 \| good	0.982 \| good	0.163 \| good
2026-01-22T18:00:00.000Z	21 \| good	2.453 \| good	10 \| good	23.413 \| good	0.348 \| good	0.8 \| good	0.16 \| good
2026-01-22T19:00:00.000Z	25 \| good	2.146 \| good	9 \| good	26.652 \| good	0.312 \| good	0.786 \| good	0.154 \| good
2026-01-22T20:00:00.000Z	24 \| good	1.979 \| good	8 \| good	25.614 \| good	0.277 \| good	0.771 \| good	0.148 \| good
2026-01-22T21:00:00.000Z	22 \| good	2.05 \| good	8 \| good	23.832 \| good	0.242 \| good	0.757 \| good	0.142 \| good
2026-01-22T22:00:00.000Z	20 \| good	1.86 \| good	8 \| good	21.754 \| good	0.22 \| good	0.941 \| good	0.141 \| good
2026-01-22T23:00:00.000Z	18 \| good	1.372 \| good	5.052 \| good	19.066 \| good	0.198 \| good	1.125 \| good	0.141 \| good
2026-01-23T00:00:00.000Z	24 \| good	1.353 \| good	5 \| good	26.124 \| good	0.17 \| good	1.327 \| good	0.141 \| good
2026-01-23T01:00:00.000Z	16 \| good	1.148 \| good	5 \| good	17.499 \| good	0.168 \| good	1.388 \| good	0.143 \| good
2026-01-23T02:00:00.000Z	19 \| good	0.888 \| good	3.052 \| good	19.781 \| good	0.166 \| good	1.448 \| good	0.145 \| good
2026-01-23T02:00:00.000Z	19 \| good	0.888 \| good	3.052 \| good	19.781 \| good	0.166 \| good	1.448 \| good	0.145 \| good
2026-01-23T03:00:00.000Z	17 \| good	0.765 \| good	2.942 \| good	17.647 \| good	0.155 \| good	1.458 \| good	0.144 \| good
2026-01-23T04:00:00.000Z	17 \| good	0.516 \| good	2 \| good	17.89 \| good	0.135 \| good	1.301 \| good	0.141 \| good
2026-01-23T05:00:00.000Z	19 \| good	0.512 \| good	2 \| good	20.431 \| good	0.115 \| good	1.144 \| good	0.138 \| good
2026-01-23T06:00:00.000Z	19 \| good	0.544 \| good	2 \| good	21.469 \| good	0.095 \| good	0.987 \| good	0.135 \| good
2026-01-23T07:00:00.000Z	17 \| good	0.594 \| good	2 \| good	18.018 \| good	0.094 \| good	0.995 \| good	0.135 \| good
2026-01-23T08:00:00.000Z	17 \| good	0.692 \| good	2.186 \| good	18.041 \| good	0.093 \| good	1.003 \| good	0.135 \| good
2026-01-23T09:00:00.000Z	19 \| good	0.848 \| good	3.077 \| good	20.12 \| good	0.092 \| good	1.011 \| good	0.134 \| good
2026-01-23T10:00:00.000Z	19 \| good	0.992 \| good	3.996 \| good	20.304 \| good	0.098 \| good	1.072 \| good	0.135 \| good
2026-01-23T11:00:00.000Z	17 \| good	1.108 \| good	4.728 \| good	18.482 \| good	0.105 \| good	1.134 \| good	0.136 \| good
2026-01-23T12:00:00.000Z	12 \| good	1.222 \| good	5 \| good	13.123 \| good	0.112 \| good	1.195 \| good	0.136 \| good
2026-01-23T13:00:00.000Z	13 \| good	1.29 \| good	5 \| good	13.623 \| good	0.118 \| good	1.19 \| good	0.139 \| good
2026-01-23T14:00:00.000Z	14 \| good	1.307 \| good	5.05 \| good	14.79 \| good	0.125 \| good	1.184 \| good	0.142 \| good
2026-01-23T15:00:00.000Z	10 \| good	1.356 \| good	5.26 \| good	11.312 \| good	0.132 \| good	1.179 \| good	0.145 \| good
2026-01-23T16:00:00.000Z	11 \| good	1.333 \| good	5.058 \| good	11.842 \| good	0.144 \| good	1.018 \| good	0.145 \| good
2026-01-23T17:00:00.000Z	12 \| good	1.321 \| good	5.029 \| good	12.844 \| good	0.157 \| good	0.856 \| good	0.144 \| good
2026-01-23T18:00:00.000Z	12 \| good	1.461 \| good	5.975 \| good	13.197 \| good	0.169 \| good	0.695 \| good	0.144 \| good
2026-01-23T19:00:00.000Z	11 \| good	1.707 \| good	7.025 \| good	11.884 \| good	0.172 \| good	0.825 \| good	0.145 \| good
2026-01-23T20:00:00.000Z	12 \| good	1.963 \| good	8 \| good	13.246 \| good	0.174 \| good	0.955 \| good	0.146 \| good
2026-01-23T21:00:00.000Z	14 \| good	2.127 \| good	8.879 \| good	15.082 \| good	0.177 \| good	1.085 \| good	0.147 \| good
2026-01-23T22:00:00.000Z	12 \| good	2.172 \| good	8.879 \| good	13.337 \| good	0.174 \| good	2.07 \| good	0.153 \| good
2026-01-23T23:00:00.000Z	15 \| good	2.273 \| good	9.267 \| good	15.801 \| good	0.17 \| good	3.055 \| good	0.159 \| good
2026-01-24T00:00:00.000Z	17 \| good	2.313 \| good	9.834 \| good	17.646 \| good	0.167 \| good	4.04 \| good	0.165 \| good
2026-01-24T01:00:00.000Z	11 \| good	2.42 \| good	9.975 \| good	11.219 \| good	0.19 \| good	4.347 \| good	0.169 \| good
2026-01-24T02:00:00.000Z	16 \| good	2.666 \| good	10.931 \| good	15.92 \| good	0.213 \| good	4.654 \| good	0.173 \| good
2026-01-24T03:00:00.000Z	16 \| good	2.975 \| good	12 \| good	11.52 \| good	0.236 \| good	4.96 \| good	0.176 \| good
2026-01-24T04:00:00.000Z	16 \| good	3.087 \| good	13.441 \| good	10.334 \| good	0.242 \| good	4.842 \| good	0.175 \| good
2026-01-24T05:00:00.000Z	16 \| good	2.875 \| good	11.917 \| good	9.386 \| good	0.248 \| good	4.724 \| good	0.174 \| good
2026-01-24T06:00:00.000Z	16 \| good	2.543 \| good	10.755 \| good	13.329 \| good	0.254 \| good	4.605 \| good	0.173 \| good
2026-01-24T07:00:00.000Z	11 \| good	2.21 \| good	8.854 \| good	12.277 \| good	0.273 \| good	4.392 \| good	0.172 \| good
2026-01-24T08:00:00.000Z	11 \| good	1.987 \| good	8.087 \| good	11.659 \| good	0.293 \| good	4.178 \| good	0.17 \| good
2026-01-24T09:00:00.000Z	11 \| good	1.884 \| good	7.942 \| good	9.356 \| good	0.312 \| good	3.965 \| good	0.169 \| good
2026-01-24T10:00:00.000Z	13 \| good	1.849 \| good	7.942 \| good	14.097 \| good	0.302 \| good	3.734 \| good	0.167 \| good
2026-01-24T11:00:00.000Z	14 \| good	1.899 \| good	8 \| good	14.976 \| good	0.292 \| good	3.503 \| good	0.166 \| good
2026-01-24T12:00:00.000Z	13 \| good	2.025 \| good	8.121 \| good	13.809 \| good	0.282 \| good	3.272 \| good	0.165 \| good
2026-01-24T13:00:00.000Z	15 \| good	2.207 \| good	8.862 \| good	16.043 \| good	0.273 \| good	3.027 \| good	0.166 \| good
2026-01-24T14:00:00.000Z	15 \| good	2.484 \| good	10.067 \| good	16.463 \| good	0.263 \| good	2.783 \| good	0.167 \| good
2026-01-24T15:00:00.000Z	16 \| good	2.801 \| good	11.699 \| good	16.648 \| good	0.253 \| good	2.539 \| good	0.168 \| good
2026-01-24T16:00:00.000Z	17 \| good	3.039 \| good	12.328 \| good	17.8 \| good	0.244 \| good	2.049 \| good	0.164 \| good
2026-01-24T17:00:00.000Z	16 \| good	3.24 \| good	14.044 \| good	16.687 \| good	0.236 \| good	1.56 \| good	0.161 \| good
2026-01-24T18:00:00.000Z	17 \| good	3.479 \| good	15.08 \| good	18.382 \| good	0.227 \| good	1.071 \| good	0.157 \| good
2026-01-24T19:00:00.000Z	22 \| good	3.708 \| good	16.109 \| good	21.881 \| good	0.226 \| good	1.127 \| good	0.155 \| good
2026-01-24T20:00:00.000Z	22 \| good	3.979 \| good	17.1 \| good	21.957 \| good	0.225 \| good	1.184 \| good	0.154 \| good
2026-01-24T21:00:00.000Z	24 \| good	4.18 \| good	18.125 \| good	26.331 \| good	0.224 \| good	1.241 \| good	0.152 \| good
2026-01-24T22:00:00.000Z	23 \| good	4.348 \| good	19.08 \| good	24.552 \| good	0.256 \| good	2.907 \| good	0.166 \| good
2026-01-24T23:00:00.000Z	27 \| good	4.572 \| good	20.08 \| good	20.077 \| good	0.288 \| good	4.573 \| good	0.179 \| good
2026-01-25T00:00:00.000Z	27 \| good	4.855 \| good	5.096 \| good	26.209 \| good	0.317 \| good	6.247 \| good	0.193 \| good
2026-01-25T01:00:00.000Z	27 \| good	4.953 \| good	21.141 \| good	24.33 \| good	0.354 \| good	6.87 \| good	0.201 \| good
2026-01-25T02:00:00.000Z	27 \| good	5.157 \| good	22.08 \| good	27.171 \| good	0.389 \| good	7.501 \| good	0.21 \| good

La Crosse

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La Crosse, 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 La Crosse, Wisconsin updated?

The air quality for La Crosse, Wisconsin is updated every hour.

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

The worst air quality in La Crosse, Wisconsin in the last 24 hours was observed at 02:00:00 on 2026-01-22.

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

In the last 24 hrs, the best air quality in La Crosse, Wisconsin was observed at 01:00:00 on 2026-01-23.

What is the current air quality in La Crosse, Wisconsin?

The current air quality in La Crosse, Wisconsin is 19, categorized as Good based on real-time data.

What pollutant is the most common in La Crosse, Wisconsin?

The most common pollutant in La Crosse, Wisconsin is O3.

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

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

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

The current PM_2.5 concentration at La Crosse, Wisconsin is 0.888 μg/m³.

What is the current concentration of PM₁₀ in La Crosse, Wisconsin?

The current PM₁₀ concentration at La Crosse, Wisconsin is 3.052 μg/m³.

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

The current carbon monoxide (CO) concentration at La Crosse, Wisconsin is 0.145 ppm.

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

The current sulfur dioxide (SO₂) concentration at La Crosse, Wisconsin is 0.166 ppb.

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

The current ozone (O₃) concentration at La Crosse, Wisconsin is 19.781 ppm.

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

The current nitrogen dioxide (NO₂) concentration at La Crosse, Wisconsin is 1.448 ppb.

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Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2026-01-21T03:00:00.000Z	24 \| good	3.364 \| good	15 \| good	26.108 \| good	0.241 \| good	3.525 \| good	0.177 \| good
2026-01-21T04:00:00.000Z	22 \| good	3.76 \| good	16.06 \| good	20.762 \| good	0.232 \| good	3.574 \| good	0.18 \| good
2026-01-21T05:00:00.000Z	22 \| good	4.091 \| good	18 \| good	19.072 \| good	0.223 \| good	3.624 \| good	0.184 \| good
2026-01-21T06:00:00.000Z	22 \| good	4.311 \| good	18.948 \| good	19.961 \| good	0.215 \| good	3.674 \| good	0.188 \| good
2026-01-21T07:00:00.000Z	27 \| good	4.506 \| good	19.679 \| good	16.811 \| good	0.235 \| good	3.817 \| good	0.19 \| good
2026-01-21T08:00:00.000Z	27 \| good	4.677 \| good	20.679 \| good	12.845 \| good	0.256 \| good	3.961 \| good	0.193 \| good
2026-01-21T09:00:00.000Z	27 \| good	4.833 \| good	20.948 \| good	16.299 \| good	0.276 \| good	4.104 \| good	0.195 \| good
2026-01-21T10:00:00.000Z	27 \| good	4.902 \| good	21.052 \| good	21.052 \| good	0.269 \| good	4.067 \| good	0.195 \| good
2026-01-21T11:00:00.000Z	27 \| good	5.023 \| good	21.679 \| good	25.291 \| good	0.262 \| good	4.03 \| good	0.196 \| good
2026-01-21T12:00:00.000Z	38 \| good	6.786 \| good	30 \| good	7.884 \| good	0.214 \| good	3.365 \| good	0.192 \| good
2026-01-21T13:00:00.000Z	38 \| good	6.735 \| good	29.948 \| good	15.764 \| good	0.231 \| good	3.167 \| good	0.189 \| good
2026-01-21T14:00:00.000Z	38 \| good	6.551 \| good	28.94 \| good	16.419 \| good	0.248 \| good	2.968 \| good	0.185 \| good
2026-01-21T15:00:00.000Z	33 \| good	6.175 \| good	27.209 \| good	15.094 \| good	0.266 \| good	2.77 \| good	0.181 \| good
2026-01-21T16:00:00.000Z	33 \| good	5.975 \| good	26.897 \| good	18.058 \| good	0.321 \| good	2.295 \| good	0.175 \| good
2026-01-21T17:00:00.000Z	33 \| good	6.458 \| good	29 \| good	17.967 \| good	0.376 \| good	1.82 \| good	0.169 \| good
2026-01-21T18:00:00.000Z	38 \| good	6.585 \| good	29.261 \| good	21.483 \| good	0.431 \| good	1.345 \| good	0.163 \| good
2026-01-21T19:00:00.000Z	33 \| good	6.153 \| good	27 \| good	26.819 \| good	0.368 \| good	1.478 \| good	0.163 \| good
2026-01-21T20:00:00.000Z	38 \| good	6.727 \| good	30 \| good	23.098 \| good	0.306 \| good	1.612 \| good	0.163 \| good
2026-01-21T21:00:00.000Z	38 \| good	6.984 \| good	31 \| good	19.843 \| good	0.244 \| good	1.746 \| good	0.164 \| good
2026-01-21T22:00:00.000Z	44 \| good	8.027 \| good	35.321 \| good	21.746 \| good	0.23 \| good	2.11 \| good	0.168 \| good
2026-01-21T23:00:00.000Z	54 \| moderate	11.293 \| good	50.209 \| good	22.281 \| good	0.217 \| good	2.473 \| good	0.171 \| good
2026-01-22T00:00:00.000Z	49 \| good	8.856 \| good	39.144 \| good	26.294 \| good	0.203 \| good	2.837 \| good	0.175 \| good
2026-01-22T01:00:00.000Z	38 \| good	6.571 \| good	29.098 \| good	20.666 \| good	0.192 \| good	2.967 \| good	0.174 \| good
2026-01-22T02:00:00.000Z	27 \| good	4.737 \| good	20.837 \| good	24.915 \| good	0.215 \| good	2.32 \| good	0.164 \| good
2026-01-22T03:00:00.000Z	22 \| good	3.977 \| good	17.209 \| good	24.448 \| good	0.238 \| good	1.672 \| good	0.155 \| good
2026-01-22T04:00:00.000Z	23 \| good	3.77 \| good	16.261 \| good	24.961 \| good	0.21 \| good	1.495 \| good	0.151 \| good
2026-01-22T05:00:00.000Z	24 \| good	3.8 \| good	16.321 \| good	26.235 \| good	0.183 \| good	1.318 \| good	0.147 \| good
2026-01-22T06:00:00.000Z	26 \| good	4.009 \| good	17.948 \| good	27.877 \| good	0.155 \| good	1.141 \| good	0.143 \| good
2026-01-22T07:00:00.000Z	22 \| good	4.076 \| good	18 \| good	24.01 \| good	0.151 \| good	1.052 \| good	0.142 \| good
2026-01-22T08:00:00.000Z	22 \| good	3.785 \| good	16.261 \| good	24.284 \| good	0.146 \| good	0.964 \| good	0.141 \| good
2026-01-22T09:00:00.000Z	24 \| good	3.636 \| good	16 \| good	26.166 \| good	0.141 \| good	0.875 \| good	0.14 \| good
2026-01-22T10:00:00.000Z	24 \| good	3.558 \| good	16 \| good	25.516 \| good	0.13 \| good	0.916 \| good	0.14 \| good
2026-01-22T11:00:00.000Z	24 \| good	3.662 \| good	16 \| good	26.102 \| good	0.119 \| good	0.957 \| good	0.141 \| good
2026-01-22T12:00:00.000Z	19 \| good	3.284 \| good	14.052 \| good	20.782 \| good	0.135 \| good	1.016 \| good	0.154 \| good
2026-01-22T13:00:00.000Z	18 \| good	3.035 \| good	12 \| good	19.361 \| good	0.156 \| good	1.126 \| good	0.159 \| good
2026-01-22T14:00:00.000Z	16 \| good	3.13 \| good	14 \| good	17.335 \| good	0.178 \| good	1.236 \| good	0.164 \| good
2026-01-22T15:00:00.000Z	16 \| good	3.239 \| good	14.158 \| good	14.944 \| good	0.199 \| good	1.347 \| good	0.169 \| good
2026-01-22T16:00:00.000Z	16 \| good	3.089 \| good	12.522 \| good	16.776 \| good	0.248 \| good	1.165 \| good	0.166 \| good
2026-01-22T17:00:00.000Z	19 \| good	2.791 \| good	11.679 \| good	20.773 \| good	0.298 \| good	0.982 \| good	0.163 \| good
2026-01-22T18:00:00.000Z	21 \| good	2.453 \| good	10 \| good	23.413 \| good	0.348 \| good	0.8 \| good	0.16 \| good
2026-01-22T19:00:00.000Z	25 \| good	2.146 \| good	9 \| good	26.652 \| good	0.312 \| good	0.786 \| good	0.154 \| good
2026-01-22T20:00:00.000Z	24 \| good	1.979 \| good	8 \| good	25.614 \| good	0.277 \| good	0.771 \| good	0.148 \| good
2026-01-22T21:00:00.000Z	22 \| good	2.05 \| good	8 \| good	23.832 \| good	0.242 \| good	0.757 \| good	0.142 \| good
2026-01-22T22:00:00.000Z	20 \| good	1.86 \| good	8 \| good	21.754 \| good	0.22 \| good	0.941 \| good	0.141 \| good
2026-01-22T23:00:00.000Z	18 \| good	1.372 \| good	5.052 \| good	19.066 \| good	0.198 \| good	1.125 \| good	0.141 \| good
2026-01-23T00:00:00.000Z	24 \| good	1.353 \| good	5 \| good	26.124 \| good	0.17 \| good	1.327 \| good	0.141 \| good
2026-01-23T01:00:00.000Z	16 \| good	1.148 \| good	5 \| good	17.499 \| good	0.168 \| good	1.388 \| good	0.143 \| good
2026-01-23T02:00:00.000Z	19 \| good	0.888 \| good	3.052 \| good	19.781 \| good	0.166 \| good	1.448 \| good	0.145 \| good
2026-01-23T02:00:00.000Z	19 \| good	0.888 \| good	3.052 \| good	19.781 \| good	0.166 \| good	1.448 \| good	0.145 \| good
2026-01-23T03:00:00.000Z	17 \| good	0.765 \| good	2.942 \| good	17.647 \| good	0.155 \| good	1.458 \| good	0.144 \| good
2026-01-23T04:00:00.000Z	17 \| good	0.516 \| good	2 \| good	17.89 \| good	0.135 \| good	1.301 \| good	0.141 \| good
2026-01-23T05:00:00.000Z	19 \| good	0.512 \| good	2 \| good	20.431 \| good	0.115 \| good	1.144 \| good	0.138 \| good
2026-01-23T06:00:00.000Z	19 \| good	0.544 \| good	2 \| good	21.469 \| good	0.095 \| good	0.987 \| good	0.135 \| good
2026-01-23T07:00:00.000Z	17 \| good	0.594 \| good	2 \| good	18.018 \| good	0.094 \| good	0.995 \| good	0.135 \| good
2026-01-23T08:00:00.000Z	17 \| good	0.692 \| good	2.186 \| good	18.041 \| good	0.093 \| good	1.003 \| good	0.135 \| good
2026-01-23T09:00:00.000Z	19 \| good	0.848 \| good	3.077 \| good	20.12 \| good	0.092 \| good	1.011 \| good	0.134 \| good
2026-01-23T10:00:00.000Z	19 \| good	0.992 \| good	3.996 \| good	20.304 \| good	0.098 \| good	1.072 \| good	0.135 \| good
2026-01-23T11:00:00.000Z	17 \| good	1.108 \| good	4.728 \| good	18.482 \| good	0.105 \| good	1.134 \| good	0.136 \| good
2026-01-23T12:00:00.000Z	12 \| good	1.222 \| good	5 \| good	13.123 \| good	0.112 \| good	1.195 \| good	0.136 \| good
2026-01-23T13:00:00.000Z	13 \| good	1.29 \| good	5 \| good	13.623 \| good	0.118 \| good	1.19 \| good	0.139 \| good
2026-01-23T14:00:00.000Z	14 \| good	1.307 \| good	5.05 \| good	14.79 \| good	0.125 \| good	1.184 \| good	0.142 \| good
2026-01-23T15:00:00.000Z	10 \| good	1.356 \| good	5.26 \| good	11.312 \| good	0.132 \| good	1.179 \| good	0.145 \| good
2026-01-23T16:00:00.000Z	11 \| good	1.333 \| good	5.058 \| good	11.842 \| good	0.144 \| good	1.018 \| good	0.145 \| good
2026-01-23T17:00:00.000Z	12 \| good	1.321 \| good	5.029 \| good	12.844 \| good	0.157 \| good	0.856 \| good	0.144 \| good
2026-01-23T18:00:00.000Z	12 \| good	1.461 \| good	5.975 \| good	13.197 \| good	0.169 \| good	0.695 \| good	0.144 \| good
2026-01-23T19:00:00.000Z	11 \| good	1.707 \| good	7.025 \| good	11.884 \| good	0.172 \| good	0.825 \| good	0.145 \| good
2026-01-23T20:00:00.000Z	12 \| good	1.963 \| good	8 \| good	13.246 \| good	0.174 \| good	0.955 \| good	0.146 \| good
2026-01-23T21:00:00.000Z	14 \| good	2.127 \| good	8.879 \| good	15.082 \| good	0.177 \| good	1.085 \| good	0.147 \| good
2026-01-23T22:00:00.000Z	12 \| good	2.172 \| good	8.879 \| good	13.337 \| good	0.174 \| good	2.07 \| good	0.153 \| good
2026-01-23T23:00:00.000Z	15 \| good	2.273 \| good	9.267 \| good	15.801 \| good	0.17 \| good	3.055 \| good	0.159 \| good
2026-01-24T00:00:00.000Z	17 \| good	2.313 \| good	9.834 \| good	17.646 \| good	0.167 \| good	4.04 \| good	0.165 \| good
2026-01-24T01:00:00.000Z	11 \| good	2.42 \| good	9.975 \| good	11.219 \| good	0.19 \| good	4.347 \| good	0.169 \| good
2026-01-24T02:00:00.000Z	16 \| good	2.666 \| good	10.931 \| good	15.92 \| good	0.213 \| good	4.654 \| good	0.173 \| good
2026-01-24T03:00:00.000Z	16 \| good	2.975 \| good	12 \| good	11.52 \| good	0.236 \| good	4.96 \| good	0.176 \| good
2026-01-24T04:00:00.000Z	16 \| good	3.087 \| good	13.441 \| good	10.334 \| good	0.242 \| good	4.842 \| good	0.175 \| good
2026-01-24T05:00:00.000Z	16 \| good	2.875 \| good	11.917 \| good	9.386 \| good	0.248 \| good	4.724 \| good	0.174 \| good
2026-01-24T06:00:00.000Z	16 \| good	2.543 \| good	10.755 \| good	13.329 \| good	0.254 \| good	4.605 \| good	0.173 \| good
2026-01-24T07:00:00.000Z	11 \| good	2.21 \| good	8.854 \| good	12.277 \| good	0.273 \| good	4.392 \| good	0.172 \| good
2026-01-24T08:00:00.000Z	11 \| good	1.987 \| good	8.087 \| good	11.659 \| good	0.293 \| good	4.178 \| good	0.17 \| good
2026-01-24T09:00:00.000Z	11 \| good	1.884 \| good	7.942 \| good	9.356 \| good	0.312 \| good	3.965 \| good	0.169 \| good
2026-01-24T10:00:00.000Z	13 \| good	1.849 \| good	7.942 \| good	14.097 \| good	0.302 \| good	3.734 \| good	0.167 \| good
2026-01-24T11:00:00.000Z	14 \| good	1.899 \| good	8 \| good	14.976 \| good	0.292 \| good	3.503 \| good	0.166 \| good
2026-01-24T12:00:00.000Z	13 \| good	2.025 \| good	8.121 \| good	13.809 \| good	0.282 \| good	3.272 \| good	0.165 \| good
2026-01-24T13:00:00.000Z	15 \| good	2.207 \| good	8.862 \| good	16.043 \| good	0.273 \| good	3.027 \| good	0.166 \| good
2026-01-24T14:00:00.000Z	15 \| good	2.484 \| good	10.067 \| good	16.463 \| good	0.263 \| good	2.783 \| good	0.167 \| good
2026-01-24T15:00:00.000Z	16 \| good	2.801 \| good	11.699 \| good	16.648 \| good	0.253 \| good	2.539 \| good	0.168 \| good
2026-01-24T16:00:00.000Z	17 \| good	3.039 \| good	12.328 \| good	17.8 \| good	0.244 \| good	2.049 \| good	0.164 \| good
2026-01-24T17:00:00.000Z	16 \| good	3.24 \| good	14.044 \| good	16.687 \| good	0.236 \| good	1.56 \| good	0.161 \| good
2026-01-24T18:00:00.000Z	17 \| good	3.479 \| good	15.08 \| good	18.382 \| good	0.227 \| good	1.071 \| good	0.157 \| good
2026-01-24T19:00:00.000Z	22 \| good	3.708 \| good	16.109 \| good	21.881 \| good	0.226 \| good	1.127 \| good	0.155 \| good
2026-01-24T20:00:00.000Z	22 \| good	3.979 \| good	17.1 \| good	21.957 \| good	0.225 \| good	1.184 \| good	0.154 \| good
2026-01-24T21:00:00.000Z	24 \| good	4.18 \| good	18.125 \| good	26.331 \| good	0.224 \| good	1.241 \| good	0.152 \| good
2026-01-24T22:00:00.000Z	23 \| good	4.348 \| good	19.08 \| good	24.552 \| good	0.256 \| good	2.907 \| good	0.166 \| good
2026-01-24T23:00:00.000Z	27 \| good	4.572 \| good	20.08 \| good	20.077 \| good	0.288 \| good	4.573 \| good	0.179 \| good
2026-01-25T00:00:00.000Z	27 \| good	4.855 \| good	5.096 \| good	26.209 \| good	0.317 \| good	6.247 \| good	0.193 \| good
2026-01-25T01:00:00.000Z	27 \| good	4.953 \| good	21.141 \| good	24.33 \| good	0.354 \| good	6.87 \| good	0.201 \| good
2026-01-25T02:00:00.000Z	27 \| good	5.157 \| good	22.08 \| good	27.171 \| good	0.389 \| good	7.501 \| good	0.21 \| good

La Crosse, Wisconsin live air quality index now

Major air pollutants in La Crosse, Wisconsin

Particulate Matter2.5 (PM2.5)

Particulate Matter10 (PM10)

Ozone (O3)

Sulfur Dioxide (SO2)

Nitrogen Dioxide (NO2)

Carbon Monoxide (CO)

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La Crosse, Wisconsin air quality map: Track AQI near you

Air quality in nearby cities

Onalaska, Wisconsin

Holmen, Wisconsin

Winona, Minnesota

Rochester, Minnesota

Reedsburg, Wisconsin

Eau Claire, Wisconsin

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Frequently asked questions

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What is the current concentration of PM2.5 in La Crosse, Wisconsin?

What is the current concentration of PM10 in La Crosse, Wisconsin?

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

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

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

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

Particulate Matter_2.5 (PM_2.5)

Particulate Matter₁₀ (PM₁₀)

Ozone (O₃)

Sulfur Dioxide (SO₂)

Nitrogen Dioxide (NO₂)

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

What is the current concentration of PM₁₀ in La Crosse, Wisconsin?

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

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

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