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)
64
Moderate
Eau Claire, Wisconsin
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
15.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.42 μg/m³
0
55
155
255
425
605+
29.09 ppb
0
55
71
86
201
201+
1.35 ppb
0
36
76
186
605
1005+
4.50 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Eau Claire, Wisconsin
Eau Claire, Wisconsin
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AQI 90
Moderate
29.67μg/m³
PM2.5
76.75μg/m³
PM10
40.00ppb
O3
0.62ppb
SO2
3.49ppb
NO2
0.44ppm
CO
AQI 67
Moderate
17.78μg/m³
PM2.5
79.01μg/m³
PM10
31.57ppb
O3
0.23ppb
SO2
0.91ppb
NO2
0.23ppm
CO
AQI 66
Moderate
17.45μg/m³
PM2.5
53.95μg/m³
PM10
39.89ppb
O3
0.58ppb
SO2
3.37ppb
NO2
0.42ppm
CO
AQI 66
Moderate
17.37μg/m³
PM2.5
45.73μg/m³
PM10
38.56ppb
O3
0.63ppb
SO2
3.71ppb
NO2
0.44ppm
CO
AQI 66
Moderate
17.33μg/m³
PM2.5
40.46μg/m³
PM10
40.80ppb
O3
0.61ppb
SO2
3.71ppb
NO2
0.43ppm
CO
AQI 66
Moderate
17.39μg/m³
PM2.5
45.13μg/m³
PM10
41.13ppb
O3
0.64ppb
SO2
3.88ppb
NO2
0.44ppm
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 2025-07-21.
The best air quality in Eau Claire, Wisconsin was recorded at 11:00:00 on 2025-07-20.
The real-time air quality index in Eau Claire, Wisconsin is 107, currently categorized as Unhealthy for Sensitive Groups.
The most common pollutant in Eau Claire, Wisconsin is PM2.5.
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 38.162 μg/m3.
The current PM10 levels in Eau Claire, Wisconsin are 50.846 μg/m3.
The current carbon monoxide (CO) level in Eau Claire, Wisconsin is 0.442 ppm.
The current sulfur dioxide (SO2) levels in Eau Claire, Wisconsin are 0.62 ppb.
The current ozone (O3) levels at Eau Claire, Wisconsin is 41.919 ppm.
The current nitrogen dioxide (NO2) levels at Eau Claire, Wisconsin is 3.39 ppb.
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