Stay updated with real-time air quality in Fond Du Lac, 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)
16
Good
Fond Du Lac, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.44 μg/m³
0
55
155
255
425
605+
12.59 ppb
0
55
71
86
201
201+
1.11 ppb
0
36
76
186
605
1005+
12.54 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Fond Du Lac, Wisconsin
Fond Du Lac, Wisconsin
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AQI 18
Good
2.37μg/m³
PM2.5
7.43μg/m³
PM10
18.64ppb
O3
1.20ppb
SO2
7.89ppb
NO2
0.35ppm
CO
AQI 20
Good
2.56μg/m³
PM2.5
6.29μg/m³
PM10
21.53ppb
O3
1.20ppb
SO2
8.03ppb
NO2
0.32ppm
CO
AQI 17
Good
2.26μg/m³
PM2.5
7.26μg/m³
PM10
18.41ppb
O3
1.20ppb
SO2
7.88ppb
NO2
0.32ppm
CO
AQI 19
Good
2.77μg/m³
PM2.5
7.76μg/m³
PM10
20.36ppb
O3
1.16ppb
SO2
7.63ppb
NO2
0.36ppm
CO
AQI 19
Good
2.12μg/m³
PM2.5
7.54μg/m³
PM10
20.39ppb
O3
1.20ppb
SO2
7.89ppb
NO2
0.27ppm
CO
AQI 19
Good
2.60μg/m³
PM2.5
6.36μg/m³
PM10
21.49ppb
O3
1.21ppb
SO2
8.20ppb
NO2
0.33ppm
CO
Air quality and pollutant data for Wisconsin, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Fond Du Lac, Wisconsin is updated every hour for accuracy.
In the past 24 hours, the air quality in Fond Du Lac, Wisconsin was at its worst at 12:00:00 on 2025-10-24.
In the last 24 hours, the best air quality in Fond Du Lac, Wisconsin was observed at 02:00:00 on 2025-10-23.
As of now, the AQI in Fond Du Lac, Wisconsin is 20, indicating Good conditions.
Fond Du Lac, Wisconsin air has the highest levels of O3.
Poor air quality in Fond Du Lac, Wisconsin means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Fond Du Lac, Wisconsin are currently 0.279 μg/m3.
The PM10 concentration in Fond Du Lac, Wisconsin is 1.05 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fond Du Lac, Wisconsin is 0.126 ppm.
Currently, Fond Du Lac, Wisconsin has a sulfur dioxide (SO2) concentration of 0.439 ppb.
The current ozone (O3) level in Fond Du Lac, Wisconsin at the moment is 21.815 ppm.
Nitrogen dioxide (NO2) level in Fond Du Lac, Wisconsin at the moment is 2.64 ppb.
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