Stay updated with real-time air quality in Eau Claire, Wisconsin featuring accurate data on AQI, PM2.5, 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)
39
Good
Eau Claire, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.32 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.02 μg/m³
0
55
155
255
425
605+
41.71 ppb
0
55
71
86
201
201+
0.51 ppb
0
36
76
186
605
1005+
4.79 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Eau Claire, Wisconsin
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AQI 36
Good
2.96μg/m³
PM2.5
13.06μg/m³
PM10
39.19ppb
O3
0.54ppb
SO2
3.96ppb
NO2
0.28ppm
CO
AQI 35
Good
0.99μg/m³
PM2.5
4.00μg/m³
PM10
37.59ppb
O3
0.24ppb
SO2
0.63ppb
NO2
0.13ppm
CO
AQI 40
Good
2.62μg/m³
PM2.5
10.61μg/m³
PM10
42.65ppb
O3
0.30ppb
SO2
0.93ppb
NO2
0.13ppm
CO
AQI 33
Good
3.40μg/m³
PM2.5
14.64μg/m³
PM10
35.86ppb
O3
0.68ppb
SO2
4.32ppb
NO2
0.31ppm
CO
AQI 38
Good
2.96μg/m³
PM2.5
16.12μg/m³
PM10
40.79ppb
O3
0.68ppb
SO2
4.13ppb
NO2
0.31ppm
CO
AQI 36
Good
3.36μg/m³
PM2.5
16.55μg/m³
PM10
38.57ppb
O3
0.68ppb
SO2
4.40ppb
NO2
0.32ppm
CO
Air quality measurements for Wisconsin, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Eau Claire, Wisconsin is updated on an hourly basis.
The worst air quality in Eau Claire, Wisconsin was recorded at 03:00:00 on 2026-03-09.
The best air quality in Eau Claire, Wisconsin was recorded at 01:00:00 on 2026-03-09.
The real-time air quality index in Eau Claire, Wisconsin is 39, currently categorized as Good.
The most common pollutant in Eau Claire, Wisconsin is O3.
If the air quality in Eau Claire, Wisconsin is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Eau Claire, Wisconsin at present are 3.316 μg/m3.
The current PM10 levels in Eau Claire, Wisconsin are 16.015 μg/m3.
The current carbon monoxide (CO) level in Eau Claire, Wisconsin is 0.305 ppm.
The current sulfur dioxide (SO2) levels in Eau Claire, Wisconsin are 0.511 ppb.
The current ozone (O3) levels at Eau Claire, Wisconsin is 41.71 ppm.
The current nitrogen dioxide (NO2) levels at Eau Claire, Wisconsin is 4.795 ppb.
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