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

Onalaska, Wisconsin currently has a PM10 concentration of 52.817 μg/m3.

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

The current sulfur dioxide (SO2) concentration in Onalaska, Wisconsin is 0.543 ppb.

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

Onalaska, Wisconsin currently has an ozone (O3) concentration of 33.331 ppm.

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

The current level of nitrogen dioxide (NO2) in Onalaska, Wisconsin is 1.728 ppb.

Current air quality index in Onalaska, Wisconsin today

Name: Live air pollution levels in Onalaska, Wisconsin today
Creator: Ambee

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)

7.34 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

28.26 μg/m³

155

255

425

605+

Ozone (O₃)

33.54 ppb

201

201+

Sulfur Dioxide (SO₂)

1.06 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

3.37 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.33 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
2025-07-20T19:00:00.000Z	54 \| moderate	10.56 \| good	37.059 \| good	30.448 \| good	0.745 \| good	3.263 \| good	0.275 \| good
2025-07-20T20:00:00.000Z	49 \| good	8.674 \| good	21.543 \| good	33.909 \| good	1.095 \| good	3.354 \| good	0.284 \| good
2025-07-20T21:00:00.000Z	31 \| good	5.39 \| good	15.689 \| good	32.677 \| good	1.454 \| good	2.85 \| good	0.297 \| good
2025-07-20T22:00:00.000Z	38 \| good	6.893 \| good	19.084 \| good	32.326 \| good	0.894 \| good	3.254 \| good	0.328 \| good
2025-07-20T23:00:00.000Z	33 \| good	5.934 \| good	31.331 \| good	33.705 \| good	1.046 \| good	2.777 \| good	0.385 \| good
2025-07-21T00:00:00.000Z	38 \| good	7.155 \| good	24.125 \| good	32.222 \| good	0.456 \| good	2.621 \| good	0.525 \| good
2025-07-21T01:00:00.000Z	33 \| good	6.243 \| good	25.016 \| good	32.147 \| good	0.659 \| good	2.508 \| good	0.323 \| good
2025-07-21T02:00:00.000Z	44 \| good	7.555 \| good	24.695 \| good	28.833 \| good	0.745 \| good	3.691 \| good	0.379 \| good
2025-07-21T03:00:00.000Z	56 \| moderate	12.093 \| good	42.204 \| good	25.921 \| good	0.703 \| good	3.376 \| good	0.322 \| good
2025-07-21T04:00:00.000Z	62 \| moderate	15.335 \| fine	50.698 \| good	30.258 \| good	0.631 \| good	3.234 \| good	0.343 \| good
2025-07-21T05:00:00.000Z	62 \| moderate	15.259 \| fine	62.732 \| fine	28.836 \| good	0.454 \| good	4.131 \| good	0.301 \| good
2025-07-21T06:00:00.000Z	66 \| moderate	17.413 \| fine	58.007 \| fine	26.873 \| good	0.607 \| good	4.209 \| good	0.281 \| good
2025-07-21T07:00:00.000Z	66 \| moderate	16.611 \| fine	44.212 \| good	24.178 \| good	0.622 \| good	2.69 \| good	0.281 \| good
2025-07-21T08:00:00.000Z	94 \| moderate	32.314 \| fine	121.744 \| fine	27.944 \| good	0.542 \| good	2.435 \| good	0.281 \| good
2025-07-21T09:00:00.000Z	92 \| moderate	30.641 \| fine	101.465 \| fine	25.663 \| good	0.571 \| good	2.057 \| good	0.321 \| good
2025-07-21T10:00:00.000Z	84 \| moderate	27.2 \| fine	110.168 \| fine	26.381 \| good	0.585 \| good	2.787 \| good	0.301 \| good
2025-07-21T11:00:00.000Z	77 \| moderate	22.671 \| fine	69.253 \| fine	29.221 \| good	0.717 \| good	4.696 \| good	0.304 \| good
2025-07-21T12:00:00.000Z	107 \| sensitive	38.376 \| moderate	134.702 \| fine	28.647 \| good	0.717 \| good	7.398 \| good	0.323 \| good
2025-07-21T13:00:00.000Z	124 \| sensitive	44.838 \| moderate	129.07 \| fine	29.611 \| good	0.856 \| good	5.281 \| good	0.342 \| good
2025-07-21T14:00:00.000Z	134 \| sensitive	49.33 \| moderate	204.399 \| moderate	30.699 \| good	0.93 \| good	5.481 \| good	0.341 \| good
2025-07-21T15:00:00.000Z	94 \| moderate	31.86 \| fine	109.787 \| fine	34.097 \| good	0.804 \| good	7.805 \| good	0.381 \| good
2025-07-21T16:00:00.000Z	83 \| moderate	26.402 \| fine	118.955 \| fine	36.033 \| good	0.833 \| good	6.127 \| good	0.342 \| good
2025-07-21T17:00:00.000Z	90 \| moderate	28.112 \| fine	133.513 \| fine	34.064 \| good	0.875 \| good	5.465 \| good	0.342 \| good
2025-07-21T18:00:00.000Z	86 \| moderate	28.193 \| fine	78.156 \| fine	37.548 \| good	0.894 \| good	4.712 \| good	0.362 \| good
2025-07-21T19:00:00.000Z	92 \| moderate	27.632 \| fine	137.566 \| fine	40.832 \| good	0.719 \| good	5.121 \| good	0.441 \| good
2025-07-21T20:00:00.000Z	81 \| moderate	24.842 \| fine	101.297 \| fine	40.513 \| good	0.657 \| good	4.168 \| good	0.646 \| good
2025-07-21T21:00:00.000Z	67 \| moderate	18.122 \| fine	44.128 \| good	38.706 \| good	0.638 \| good	3.758 \| good	0.384 \| good
2025-07-21T22:00:00.000Z	58 \| moderate	13.202 \| fine	46.421 \| good	42.358 \| good	0.57 \| good	3.243 \| good	0.404 \| good
2025-07-21T23:00:00.000Z	69 \| moderate	18.763 \| fine	83.378 \| fine	37.777 \| good	0.64 \| good	3.706 \| good	0.465 \| good
2025-07-22T00:00:00.000Z	67 \| moderate	17.593 \| fine	82.261 \| fine	38.954 \| good	0.749 \| good	4.323 \| good	0.445 \| good
2025-07-22T01:00:00.000Z	75 \| moderate	19.38 \| fine	103.901 \| fine	34.951 \| good	0.725 \| good	4.329 \| good	0.445 \| good
2025-07-22T02:00:00.000Z	77 \| moderate	22.698 \| fine	99.126 \| fine	35.899 \| good	0.668 \| good	3.862 \| good	0.445 \| good
2025-07-22T03:00:00.000Z	62 \| moderate	14.806 \| fine	66.621 \| fine	27.546 \| good	0.241 \| good	2.113 \| good	0.22 \| good
2025-07-22T04:00:00.000Z	73 \| moderate	21.186 \| fine	71.495 \| fine	35.141 \| good	0.586 \| good	2.863 \| good	0.424 \| good
2025-07-22T05:00:00.000Z	71 \| moderate	19.707 \| fine	67.556 \| fine	38.189 \| good	0.823 \| good	3.038 \| good	0.404 \| good
2025-07-22T06:00:00.000Z	63 \| moderate	14.742 \| fine	79.015 \| fine	38.742 \| good	0.611 \| good	3.531 \| good	0.404 \| good
2025-07-22T07:00:00.000Z	56 \| moderate	12.169 \| fine	51.203 \| good	36.636 \| good	0.645 \| good	3.093 \| good	0.362 \| good
2025-07-22T08:00:00.000Z	57 \| moderate	11.467 \| good	67.531 \| fine	34.347 \| good	0.504 \| good	1.611 \| good	0.322 \| good
2025-07-22T09:00:00.000Z	56 \| moderate	11.885 \| good	52.817 \| good	33.331 \| good	0.543 \| good	1.728 \| good	0.322 \| good
2025-07-22T10:00:00.000Z	60 \| moderate	14.224 \| fine	49.474 \| good	34.864 \| good	0.878 \| good	1.61 \| good	0.322 \| good
2025-07-22T11:00:00.000Z	60 \| moderate	14.043 \| fine	53.967 \| good	31.271 \| good	1.083 \| good	2.695 \| good	0.302 \| good
2025-07-22T12:00:00.000Z	62 \| moderate	14.15 \| fine	77.658 \| fine	30.035 \| good	1.15 \| good	5.218 \| good	0.343 \| good
2025-07-22T13:00:00.000Z	56 \| moderate	11.924 \| good	49.79 \| good	29.218 \| good	0.898 \| good	6.599 \| good	0.364 \| good
2025-07-22T14:00:00.000Z	54 \| moderate	11.327 \| good	51.704 \| good	28.799 \| good	1.1 \| good	4.692 \| good	0.322 \| good
2025-07-22T15:00:00.000Z	56 \| moderate	11.525 \| good	40.789 \| good	28.679 \| good	1.533 \| good	4.176 \| good	0.343 \| good
2025-07-22T16:00:00.000Z	44 \| good	8.237 \| good	31.523 \| good	30.015 \| good	1.347 \| good	4.542 \| good	0.343 \| good
2025-07-22T17:00:00.000Z	33 \| good	6.384 \| good	28.397 \| good	32.047 \| good	1.262 \| good	4.029 \| good	0.322 \| good
2025-07-22T18:00:00.000Z	38 \| good	7.336 \| good	28.262 \| good	33.537 \| good	1.059 \| good	3.371 \| good	0.33 \| good
2025-07-22T18:00:00.000Z	38 \| good	7.336 \| good	28.262 \| good	33.537 \| good	1.059 \| good	3.371 \| good	0.33 \| good
2025-07-22T10:00:00.000Z	66 \| moderate	16.714 \| fine	74.35 \| fine	20.293 \| good	0.608 \| good	2.512 \| good	0.236 \| good
2025-07-22T11:00:00.000Z	66 \| moderate	17.018 \| fine	76.044 \| fine	19.127 \| good	0.673 \| good	2.579 \| good	0.238 \| good
2025-07-22T12:00:00.000Z	66 \| moderate	16.718 \| fine	74.356 \| fine	17.43 \| good	0.737 \| good	2.645 \| good	0.24 \| good
2025-07-22T13:00:00.000Z	64 \| moderate	15.718 \| fine	69.913 \| fine	16.769 \| good	0.737 \| good	2.322 \| good	0.238 \| good
2025-07-22T14:00:00.000Z	58 \| moderate	13.428 \| fine	60.22 \| fine	23.723 \| good	0.738 \| good	1.999 \| good	0.235 \| good
2025-07-22T15:00:00.000Z	54 \| moderate	11.317 \| good	50.157 \| good	29.621 \| good	0.738 \| good	1.676 \| good	0.232 \| good
2025-07-22T16:00:00.000Z	52 \| moderate	9.88 \| good	43.91 \| good	32.343 \| good	0.598 \| good	1.379 \| good	0.216 \| good
2025-07-22T17:00:00.000Z	49 \| good	8.896 \| good	38.984 \| good	39.35 \| good	0.458 \| good	1.082 \| good	0.2 \| good
2025-07-22T18:00:00.000Z	49 \| good	9.082 \| good	40.71 \| good	36.6 \| good	0.318 \| good	0.784 \| good	0.184 \| good
2025-07-22T19:00:00.000Z	49 \| good	9.264 \| good	41 \| good	35.857 \| good	0.268 \| good	0.75 \| good	0.175 \| good
2025-07-22T20:00:00.000Z	52 \| moderate	9.724 \| good	43.063 \| good	39.6 \| good	0.217 \| good	0.715 \| good	0.166 \| good
2025-07-22T21:00:00.000Z	54 \| moderate	10.747 \| good	47.923 \| good	41.012 \| good	0.167 \| good	0.68 \| good	0.156 \| good
2025-07-22T22:00:00.000Z	56 \| moderate	11.696 \| good	51.229 \| good	40.658 \| good	0.145 \| good	0.914 \| good	0.158 \| good
2025-07-22T23:00:00.000Z	56 \| moderate	12.329 \| fine	55.09 \| fine	38.24 \| good	0.124 \| good	1.148 \| good	0.159 \| good
2025-07-23T00:00:00.000Z	56 \| moderate	12.48 \| fine	56.224 \| fine	36.731 \| good	0.103 \| good	1.382 \| good	0.16 \| good
2025-07-23T01:00:00.000Z	56 \| moderate	11.701 \| good	51.825 \| good	35.399 \| good	0.112 \| good	1.531 \| good	0.161 \| good
2025-07-23T02:00:00.000Z	54 \| moderate	11.223 \| good	49.525 \| good	36.001 \| good	0.121 \| good	1.679 \| good	0.163 \| good
2025-07-23T03:00:00.000Z	54 \| moderate	10.954 \| good	48.614 \| good	36.446 \| good	0.13 \| good	1.828 \| good	0.164 \| good
2025-07-23T04:00:00.000Z	54 \| moderate	10.989 \| good	48.145 \| good	39.301 \| good	0.17 \| good	1.81 \| good	0.167 \| good
2025-07-23T05:00:00.000Z	54 \| moderate	11.403 \| good	50.12 \| good	37.94 \| good	0.21 \| good	1.792 \| good	0.17 \| good
2025-07-23T06:00:00.000Z	56 \| moderate	11.81 \| good	51.903 \| good	34.331 \| good	0.25 \| good	1.774 \| good	0.173 \| good
2025-07-23T07:00:00.000Z	56 \| moderate	11.881 \| good	52 \| good	32.986 \| good	0.271 \| good	1.796 \| good	0.176 \| good
2025-07-23T08:00:00.000Z	56 \| moderate	11.845 \| good	51.937 \| good	32.944 \| good	0.292 \| good	1.818 \| good	0.179 \| good
2025-07-23T09:00:00.000Z	56 \| moderate	11.542 \| good	50.97 \| good	31.883 \| good	0.312 \| good	1.84 \| good	0.182 \| good
2025-07-23T10:00:00.000Z	54 \| moderate	10.945 \| good	48.401 \| good	34.468 \| good	0.314 \| good	1.84 \| good	0.183 \| good
2025-07-23T11:00:00.000Z	52 \| moderate	10.442 \| good	46.26 \| good	31.125 \| good	0.315 \| good	1.84 \| good	0.184 \| good
2025-07-23T12:00:00.000Z	52 \| moderate	9.809 \| good	43.305 \| good	28.47 \| good	0.317 \| good	1.84 \| good	0.186 \| good
2025-07-23T13:00:00.000Z	49 \| good	9.124 \| good	40.952 \| good	28.891 \| good	0.321 \| good	1.568 \| good	0.187 \| good
2025-07-23T14:00:00.000Z	44 \| good	8.295 \| good	36.612 \| good	38.054 \| good	0.324 \| good	1.296 \| good	0.188 \| good
2025-07-23T15:00:00.000Z	44 \| good	7.73 \| good	34.037 \| good	36.693 \| good	0.328 \| good	1.023 \| good	0.188 \| good
2025-07-23T16:00:00.000Z	38 \| good	7.494 \| good	32.986 \| good	37.937 \| good	0.338 \| good	0.949 \| good	0.186 \| good
2025-07-23T17:00:00.000Z	40 \| good	7.453 \| good	32.778 \| good	42.688 \| good	0.347 \| good	0.874 \| good	0.183 \| good
2025-07-23T18:00:00.000Z	41 \| good	7.326 \| good	32.147 \| good	44.275 \| good	0.356 \| good	0.799 \| good	0.18 \| good
2025-07-23T19:00:00.000Z	40 \| good	7.042 \| good	31.09 \| good	42.666 \| good	0.329 \| good	0.744 \| good	0.17 \| good
2025-07-23T20:00:00.000Z	39 \| good	6.884 \| good	30.192 \| good	41.746 \| good	0.302 \| good	0.689 \| good	0.16 \| good
2025-07-23T21:00:00.000Z	39 \| good	6.863 \| good	30.062 \| good	42.484 \| good	0.275 \| good	0.633 \| good	0.15 \| good
2025-07-23T22:00:00.000Z	39 \| good	6.863 \| good	30.608 \| good	41.52 \| good	0.243 \| good	0.87 \| good	0.145 \| good
2025-07-23T23:00:00.000Z	38 \| good	7.025 \| good	31.07 \| good	40.308 \| good	0.211 \| good	1.106 \| good	0.141 \| good
2025-07-24T00:00:00.000Z	38 \| good	7.049 \| good	31 \| good	38.316 \| good	0.178 \| good	1.342 \| good	0.136 \| good
2025-07-24T01:00:00.000Z	38 \| good	7.359 \| good	32 \| good	38.601 \| good	0.184 \| good	1.987 \| good	0.141 \| good
2025-07-24T02:00:00.000Z	38 \| good	7.376 \| good	32.068 \| good	36.745 \| good	0.19 \| good	2.632 \| good	0.145 \| good
2025-07-24T03:00:00.000Z	38 \| good	7.371 \| good	32 \| good	38.367 \| good	0.196 \| good	3.276 \| good	0.15 \| good
2025-07-24T04:00:00.000Z	38 \| good	7.364 \| good	32.021 \| good	39.449 \| good	0.215 \| good	3.087 \| good	0.151 \| good
2025-07-24T05:00:00.000Z	38 \| good	7.486 \| good	32.769 \| good	40.681 \| good	0.234 \| good	2.897 \| good	0.152 \| good
2025-07-24T06:00:00.000Z	32 \| good	2.5 \| good	2.862 \| good	35.497 \| good	0.254 \| good	2.709 \| good	0.153 \| good
2025-07-24T07:00:00.000Z	38 \| good	6.719 \| good	29.991 \| good	37.068 \| good	0.273 \| good	2.477 \| good	0.15 \| good
2025-07-24T08:00:00.000Z	33 \| good	6.103 \| good	27.139 \| good	36.341 \| good	0.292 \| good	2.245 \| good	0.148 \| good
2025-07-24T09:00:00.000Z	33 \| good	5.975 \| good	26.324 \| good	34.102 \| good	0.311 \| good	2.014 \| good	0.145 \| good

Onalaska

Empower business decisions with accurate air quality data

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

0.20ppm

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

Air quality levels in US

Check live rankings of places in the USA affected by air pollution.

View Polluted Cities

Check live rankings of places in the USA with the cleanest air.

View Clean Cities

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 02:00:00, 2025-07-21.

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

The best air quality in Onalaska, Wisconsin was observed at 07:00:00 on 2025-07-22.

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

The air quality in Onalaska, Wisconsin right now is Moderate, with an AQI of 56.

What pollutant is most frequently found in Onalaska, Wisconsin?

In Onalaska, Wisconsin, PM2.5 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 11.885 μg/m³.

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

Onalaska, Wisconsin currently has a PM₁₀ concentration of 52.817 μg/m³.

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

The current carbon monoxide (CO) level in Onalaska, Wisconsin is 0.322 ppm.

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

The current sulfur dioxide (SO₂) concentration in Onalaska, Wisconsin is 0.543 ppb.

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

Onalaska, Wisconsin currently has an ozone (O₃) concentration of 33.331 ppm.

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

The current level of nitrogen dioxide (NO₂) in Onalaska, Wisconsin is 1.728 ppb.

Certified

APIs

Refund Policy

Historical Climate Data

Terms & Conditions

Refund Policy

Terms & Conditions

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-20T19:00:00.000Z	54 \| moderate	10.56 \| good	37.059 \| good	30.448 \| good	0.745 \| good	3.263 \| good	0.275 \| good
2025-07-20T20:00:00.000Z	49 \| good	8.674 \| good	21.543 \| good	33.909 \| good	1.095 \| good	3.354 \| good	0.284 \| good
2025-07-20T21:00:00.000Z	31 \| good	5.39 \| good	15.689 \| good	32.677 \| good	1.454 \| good	2.85 \| good	0.297 \| good
2025-07-20T22:00:00.000Z	38 \| good	6.893 \| good	19.084 \| good	32.326 \| good	0.894 \| good	3.254 \| good	0.328 \| good
2025-07-20T23:00:00.000Z	33 \| good	5.934 \| good	31.331 \| good	33.705 \| good	1.046 \| good	2.777 \| good	0.385 \| good
2025-07-21T00:00:00.000Z	38 \| good	7.155 \| good	24.125 \| good	32.222 \| good	0.456 \| good	2.621 \| good	0.525 \| good
2025-07-21T01:00:00.000Z	33 \| good	6.243 \| good	25.016 \| good	32.147 \| good	0.659 \| good	2.508 \| good	0.323 \| good
2025-07-21T02:00:00.000Z	44 \| good	7.555 \| good	24.695 \| good	28.833 \| good	0.745 \| good	3.691 \| good	0.379 \| good
2025-07-21T03:00:00.000Z	56 \| moderate	12.093 \| good	42.204 \| good	25.921 \| good	0.703 \| good	3.376 \| good	0.322 \| good
2025-07-21T04:00:00.000Z	62 \| moderate	15.335 \| fine	50.698 \| good	30.258 \| good	0.631 \| good	3.234 \| good	0.343 \| good
2025-07-21T05:00:00.000Z	62 \| moderate	15.259 \| fine	62.732 \| fine	28.836 \| good	0.454 \| good	4.131 \| good	0.301 \| good
2025-07-21T06:00:00.000Z	66 \| moderate	17.413 \| fine	58.007 \| fine	26.873 \| good	0.607 \| good	4.209 \| good	0.281 \| good
2025-07-21T07:00:00.000Z	66 \| moderate	16.611 \| fine	44.212 \| good	24.178 \| good	0.622 \| good	2.69 \| good	0.281 \| good
2025-07-21T08:00:00.000Z	94 \| moderate	32.314 \| fine	121.744 \| fine	27.944 \| good	0.542 \| good	2.435 \| good	0.281 \| good
2025-07-21T09:00:00.000Z	92 \| moderate	30.641 \| fine	101.465 \| fine	25.663 \| good	0.571 \| good	2.057 \| good	0.321 \| good
2025-07-21T10:00:00.000Z	84 \| moderate	27.2 \| fine	110.168 \| fine	26.381 \| good	0.585 \| good	2.787 \| good	0.301 \| good
2025-07-21T11:00:00.000Z	77 \| moderate	22.671 \| fine	69.253 \| fine	29.221 \| good	0.717 \| good	4.696 \| good	0.304 \| good
2025-07-21T12:00:00.000Z	107 \| sensitive	38.376 \| moderate	134.702 \| fine	28.647 \| good	0.717 \| good	7.398 \| good	0.323 \| good
2025-07-21T13:00:00.000Z	124 \| sensitive	44.838 \| moderate	129.07 \| fine	29.611 \| good	0.856 \| good	5.281 \| good	0.342 \| good
2025-07-21T14:00:00.000Z	134 \| sensitive	49.33 \| moderate	204.399 \| moderate	30.699 \| good	0.93 \| good	5.481 \| good	0.341 \| good
2025-07-21T15:00:00.000Z	94 \| moderate	31.86 \| fine	109.787 \| fine	34.097 \| good	0.804 \| good	7.805 \| good	0.381 \| good
2025-07-21T16:00:00.000Z	83 \| moderate	26.402 \| fine	118.955 \| fine	36.033 \| good	0.833 \| good	6.127 \| good	0.342 \| good
2025-07-21T17:00:00.000Z	90 \| moderate	28.112 \| fine	133.513 \| fine	34.064 \| good	0.875 \| good	5.465 \| good	0.342 \| good
2025-07-21T18:00:00.000Z	86 \| moderate	28.193 \| fine	78.156 \| fine	37.548 \| good	0.894 \| good	4.712 \| good	0.362 \| good
2025-07-21T19:00:00.000Z	92 \| moderate	27.632 \| fine	137.566 \| fine	40.832 \| good	0.719 \| good	5.121 \| good	0.441 \| good
2025-07-21T20:00:00.000Z	81 \| moderate	24.842 \| fine	101.297 \| fine	40.513 \| good	0.657 \| good	4.168 \| good	0.646 \| good
2025-07-21T21:00:00.000Z	67 \| moderate	18.122 \| fine	44.128 \| good	38.706 \| good	0.638 \| good	3.758 \| good	0.384 \| good
2025-07-21T22:00:00.000Z	58 \| moderate	13.202 \| fine	46.421 \| good	42.358 \| good	0.57 \| good	3.243 \| good	0.404 \| good
2025-07-21T23:00:00.000Z	69 \| moderate	18.763 \| fine	83.378 \| fine	37.777 \| good	0.64 \| good	3.706 \| good	0.465 \| good
2025-07-22T00:00:00.000Z	67 \| moderate	17.593 \| fine	82.261 \| fine	38.954 \| good	0.749 \| good	4.323 \| good	0.445 \| good
2025-07-22T01:00:00.000Z	75 \| moderate	19.38 \| fine	103.901 \| fine	34.951 \| good	0.725 \| good	4.329 \| good	0.445 \| good
2025-07-22T02:00:00.000Z	77 \| moderate	22.698 \| fine	99.126 \| fine	35.899 \| good	0.668 \| good	3.862 \| good	0.445 \| good
2025-07-22T03:00:00.000Z	62 \| moderate	14.806 \| fine	66.621 \| fine	27.546 \| good	0.241 \| good	2.113 \| good	0.22 \| good
2025-07-22T04:00:00.000Z	73 \| moderate	21.186 \| fine	71.495 \| fine	35.141 \| good	0.586 \| good	2.863 \| good	0.424 \| good
2025-07-22T05:00:00.000Z	71 \| moderate	19.707 \| fine	67.556 \| fine	38.189 \| good	0.823 \| good	3.038 \| good	0.404 \| good
2025-07-22T06:00:00.000Z	63 \| moderate	14.742 \| fine	79.015 \| fine	38.742 \| good	0.611 \| good	3.531 \| good	0.404 \| good
2025-07-22T07:00:00.000Z	56 \| moderate	12.169 \| fine	51.203 \| good	36.636 \| good	0.645 \| good	3.093 \| good	0.362 \| good
2025-07-22T08:00:00.000Z	57 \| moderate	11.467 \| good	67.531 \| fine	34.347 \| good	0.504 \| good	1.611 \| good	0.322 \| good
2025-07-22T09:00:00.000Z	56 \| moderate	11.885 \| good	52.817 \| good	33.331 \| good	0.543 \| good	1.728 \| good	0.322 \| good
2025-07-22T10:00:00.000Z	60 \| moderate	14.224 \| fine	49.474 \| good	34.864 \| good	0.878 \| good	1.61 \| good	0.322 \| good
2025-07-22T11:00:00.000Z	60 \| moderate	14.043 \| fine	53.967 \| good	31.271 \| good	1.083 \| good	2.695 \| good	0.302 \| good
2025-07-22T12:00:00.000Z	62 \| moderate	14.15 \| fine	77.658 \| fine	30.035 \| good	1.15 \| good	5.218 \| good	0.343 \| good
2025-07-22T13:00:00.000Z	56 \| moderate	11.924 \| good	49.79 \| good	29.218 \| good	0.898 \| good	6.599 \| good	0.364 \| good
2025-07-22T14:00:00.000Z	54 \| moderate	11.327 \| good	51.704 \| good	28.799 \| good	1.1 \| good	4.692 \| good	0.322 \| good
2025-07-22T15:00:00.000Z	56 \| moderate	11.525 \| good	40.789 \| good	28.679 \| good	1.533 \| good	4.176 \| good	0.343 \| good
2025-07-22T16:00:00.000Z	44 \| good	8.237 \| good	31.523 \| good	30.015 \| good	1.347 \| good	4.542 \| good	0.343 \| good
2025-07-22T17:00:00.000Z	33 \| good	6.384 \| good	28.397 \| good	32.047 \| good	1.262 \| good	4.029 \| good	0.322 \| good
2025-07-22T18:00:00.000Z	38 \| good	7.336 \| good	28.262 \| good	33.537 \| good	1.059 \| good	3.371 \| good	0.33 \| good
2025-07-22T18:00:00.000Z	38 \| good	7.336 \| good	28.262 \| good	33.537 \| good	1.059 \| good	3.371 \| good	0.33 \| good
2025-07-22T10:00:00.000Z	66 \| moderate	16.714 \| fine	74.35 \| fine	20.293 \| good	0.608 \| good	2.512 \| good	0.236 \| good
2025-07-22T11:00:00.000Z	66 \| moderate	17.018 \| fine	76.044 \| fine	19.127 \| good	0.673 \| good	2.579 \| good	0.238 \| good
2025-07-22T12:00:00.000Z	66 \| moderate	16.718 \| fine	74.356 \| fine	17.43 \| good	0.737 \| good	2.645 \| good	0.24 \| good
2025-07-22T13:00:00.000Z	64 \| moderate	15.718 \| fine	69.913 \| fine	16.769 \| good	0.737 \| good	2.322 \| good	0.238 \| good
2025-07-22T14:00:00.000Z	58 \| moderate	13.428 \| fine	60.22 \| fine	23.723 \| good	0.738 \| good	1.999 \| good	0.235 \| good
2025-07-22T15:00:00.000Z	54 \| moderate	11.317 \| good	50.157 \| good	29.621 \| good	0.738 \| good	1.676 \| good	0.232 \| good
2025-07-22T16:00:00.000Z	52 \| moderate	9.88 \| good	43.91 \| good	32.343 \| good	0.598 \| good	1.379 \| good	0.216 \| good
2025-07-22T17:00:00.000Z	49 \| good	8.896 \| good	38.984 \| good	39.35 \| good	0.458 \| good	1.082 \| good	0.2 \| good
2025-07-22T18:00:00.000Z	49 \| good	9.082 \| good	40.71 \| good	36.6 \| good	0.318 \| good	0.784 \| good	0.184 \| good
2025-07-22T19:00:00.000Z	49 \| good	9.264 \| good	41 \| good	35.857 \| good	0.268 \| good	0.75 \| good	0.175 \| good
2025-07-22T20:00:00.000Z	52 \| moderate	9.724 \| good	43.063 \| good	39.6 \| good	0.217 \| good	0.715 \| good	0.166 \| good
2025-07-22T21:00:00.000Z	54 \| moderate	10.747 \| good	47.923 \| good	41.012 \| good	0.167 \| good	0.68 \| good	0.156 \| good
2025-07-22T22:00:00.000Z	56 \| moderate	11.696 \| good	51.229 \| good	40.658 \| good	0.145 \| good	0.914 \| good	0.158 \| good
2025-07-22T23:00:00.000Z	56 \| moderate	12.329 \| fine	55.09 \| fine	38.24 \| good	0.124 \| good	1.148 \| good	0.159 \| good
2025-07-23T00:00:00.000Z	56 \| moderate	12.48 \| fine	56.224 \| fine	36.731 \| good	0.103 \| good	1.382 \| good	0.16 \| good
2025-07-23T01:00:00.000Z	56 \| moderate	11.701 \| good	51.825 \| good	35.399 \| good	0.112 \| good	1.531 \| good	0.161 \| good
2025-07-23T02:00:00.000Z	54 \| moderate	11.223 \| good	49.525 \| good	36.001 \| good	0.121 \| good	1.679 \| good	0.163 \| good
2025-07-23T03:00:00.000Z	54 \| moderate	10.954 \| good	48.614 \| good	36.446 \| good	0.13 \| good	1.828 \| good	0.164 \| good
2025-07-23T04:00:00.000Z	54 \| moderate	10.989 \| good	48.145 \| good	39.301 \| good	0.17 \| good	1.81 \| good	0.167 \| good
2025-07-23T05:00:00.000Z	54 \| moderate	11.403 \| good	50.12 \| good	37.94 \| good	0.21 \| good	1.792 \| good	0.17 \| good
2025-07-23T06:00:00.000Z	56 \| moderate	11.81 \| good	51.903 \| good	34.331 \| good	0.25 \| good	1.774 \| good	0.173 \| good
2025-07-23T07:00:00.000Z	56 \| moderate	11.881 \| good	52 \| good	32.986 \| good	0.271 \| good	1.796 \| good	0.176 \| good
2025-07-23T08:00:00.000Z	56 \| moderate	11.845 \| good	51.937 \| good	32.944 \| good	0.292 \| good	1.818 \| good	0.179 \| good
2025-07-23T09:00:00.000Z	56 \| moderate	11.542 \| good	50.97 \| good	31.883 \| good	0.312 \| good	1.84 \| good	0.182 \| good
2025-07-23T10:00:00.000Z	54 \| moderate	10.945 \| good	48.401 \| good	34.468 \| good	0.314 \| good	1.84 \| good	0.183 \| good
2025-07-23T11:00:00.000Z	52 \| moderate	10.442 \| good	46.26 \| good	31.125 \| good	0.315 \| good	1.84 \| good	0.184 \| good
2025-07-23T12:00:00.000Z	52 \| moderate	9.809 \| good	43.305 \| good	28.47 \| good	0.317 \| good	1.84 \| good	0.186 \| good
2025-07-23T13:00:00.000Z	49 \| good	9.124 \| good	40.952 \| good	28.891 \| good	0.321 \| good	1.568 \| good	0.187 \| good
2025-07-23T14:00:00.000Z	44 \| good	8.295 \| good	36.612 \| good	38.054 \| good	0.324 \| good	1.296 \| good	0.188 \| good
2025-07-23T15:00:00.000Z	44 \| good	7.73 \| good	34.037 \| good	36.693 \| good	0.328 \| good	1.023 \| good	0.188 \| good
2025-07-23T16:00:00.000Z	38 \| good	7.494 \| good	32.986 \| good	37.937 \| good	0.338 \| good	0.949 \| good	0.186 \| good
2025-07-23T17:00:00.000Z	40 \| good	7.453 \| good	32.778 \| good	42.688 \| good	0.347 \| good	0.874 \| good	0.183 \| good
2025-07-23T18:00:00.000Z	41 \| good	7.326 \| good	32.147 \| good	44.275 \| good	0.356 \| good	0.799 \| good	0.18 \| good
2025-07-23T19:00:00.000Z	40 \| good	7.042 \| good	31.09 \| good	42.666 \| good	0.329 \| good	0.744 \| good	0.17 \| good
2025-07-23T20:00:00.000Z	39 \| good	6.884 \| good	30.192 \| good	41.746 \| good	0.302 \| good	0.689 \| good	0.16 \| good
2025-07-23T21:00:00.000Z	39 \| good	6.863 \| good	30.062 \| good	42.484 \| good	0.275 \| good	0.633 \| good	0.15 \| good
2025-07-23T22:00:00.000Z	39 \| good	6.863 \| good	30.608 \| good	41.52 \| good	0.243 \| good	0.87 \| good	0.145 \| good
2025-07-23T23:00:00.000Z	38 \| good	7.025 \| good	31.07 \| good	40.308 \| good	0.211 \| good	1.106 \| good	0.141 \| good
2025-07-24T00:00:00.000Z	38 \| good	7.049 \| good	31 \| good	38.316 \| good	0.178 \| good	1.342 \| good	0.136 \| good
2025-07-24T01:00:00.000Z	38 \| good	7.359 \| good	32 \| good	38.601 \| good	0.184 \| good	1.987 \| good	0.141 \| good
2025-07-24T02:00:00.000Z	38 \| good	7.376 \| good	32.068 \| good	36.745 \| good	0.19 \| good	2.632 \| good	0.145 \| good
2025-07-24T03:00:00.000Z	38 \| good	7.371 \| good	32 \| good	38.367 \| good	0.196 \| good	3.276 \| good	0.15 \| good
2025-07-24T04:00:00.000Z	38 \| good	7.364 \| good	32.021 \| good	39.449 \| good	0.215 \| good	3.087 \| good	0.151 \| good
2025-07-24T05:00:00.000Z	38 \| good	7.486 \| good	32.769 \| good	40.681 \| good	0.234 \| good	2.897 \| good	0.152 \| good
2025-07-24T06:00:00.000Z	32 \| good	2.5 \| good	2.862 \| good	35.497 \| good	0.254 \| good	2.709 \| good	0.153 \| good
2025-07-24T07:00:00.000Z	38 \| good	6.719 \| good	29.991 \| good	37.068 \| good	0.273 \| good	2.477 \| good	0.15 \| good
2025-07-24T08:00:00.000Z	33 \| good	6.103 \| good	27.139 \| good	36.341 \| good	0.292 \| good	2.245 \| good	0.148 \| good
2025-07-24T09:00:00.000Z	33 \| good	5.975 \| good	26.324 \| good	34.102 \| good	0.311 \| good	2.014 \| good	0.145 \| 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)

Track live Onalaska, Wisconsin air quality forecast and history

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

How accurate is Wisconsin, USA air quality data?

Air quality levels in US

Frequently asked questions

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

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

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

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

What pollutant is most frequently found in Onalaska, Wisconsin?

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

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

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

What is the current level of carbon monoxide (CO) 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?

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?