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)
38
Good
Fond Du Lac, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.64 μg/m³
0
55
155
255
425
605+
41.27 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
4.78 ppb
0
54
101
361
1250
2050+
0.12 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 38
Good
4.72μg/m³
PM2.5
24.64μg/m³
PM10
41.27ppb
O3
0.40ppb
SO2
4.78ppb
NO2
0.12ppm
CO
AQI 40
Good
4.35μg/m³
PM2.5
20.40μg/m³
PM10
43.21ppb
O3
0.29ppb
SO2
4.70ppb
NO2
0.12ppm
CO
AQI 35
Good
4.77μg/m³
PM2.5
24.78μg/m³
PM10
38.37ppb
O3
0.48ppb
SO2
4.82ppb
NO2
0.13ppm
CO
AQI 36
Good
4.69μg/m³
PM2.5
18.59μg/m³
PM10
39.10ppb
O3
0.69ppb
SO2
4.69ppb
NO2
0.12ppm
CO
AQI 35
Good
4.82μg/m³
PM2.5
19.91μg/m³
PM10
38.38ppb
O3
0.54ppb
SO2
4.87ppb
NO2
0.14ppm
CO
AQI 39
Good
4.47μg/m³
PM2.5
16.59μg/m³
PM10
42.27ppb
O3
0.28ppb
SO2
4.64ppb
NO2
0.12ppm
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 07:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Fond Du Lac, Wisconsin was observed at 06:00:00 on 2026-07-23.
As of now, the AQI in Fond Du Lac, Wisconsin is 38, 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 4.721 μg/m3.
The PM10 concentration in Fond Du Lac, Wisconsin is 24.635 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fond Du Lac, Wisconsin is 0.124 ppm.
Currently, Fond Du Lac, Wisconsin has a sulfur dioxide (SO2) concentration of 0.404 ppb.
The current ozone (O3) level in Fond Du Lac, Wisconsin at the moment is 41.27 ppm.
Nitrogen dioxide (NO2) level in Fond Du Lac, Wisconsin at the moment is 4.782 ppb.
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