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)
49
Good
Fond Du Lac, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.91 μg/m³
0
55
155
255
425
605+
38.07 ppb
0
55
71
86
201
201+
0.80 ppb
0
36
76
186
605
1005+
7.11 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Fond Du Lac, Wisconsin
Fond Du Lac, Wisconsin
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AQI 49
Good
8.94μg/m³
PM2.5
30.73μg/m³
PM10
38.08ppb
O3
0.69ppb
SO2
6.70ppb
NO2
0.22ppm
CO
AQI 49
Good
8.74μg/m³
PM2.5
26.54μg/m³
PM10
34.59ppb
O3
0.58ppb
SO2
6.36ppb
NO2
0.21ppm
CO
AQI 56
Moderate
11.80μg/m³
PM2.5
51.91μg/m³
PM10
37.66ppb
O3
0.78ppb
SO2
6.62ppb
NO2
0.22ppm
CO
AQI 56
Moderate
11.59μg/m³
PM2.5
48.65μg/m³
PM10
31.37ppb
O3
0.71ppb
SO2
5.73ppb
NO2
0.23ppm
CO
AQI 56
Moderate
11.81μg/m³
PM2.5
44.48μg/m³
PM10
33.43ppb
O3
0.88ppb
SO2
6.69ppb
NO2
0.22ppm
CO
AQI 49
Good
8.87μg/m³
PM2.5
33.54μg/m³
PM10
33.54ppb
O3
0.56ppb
SO2
6.51ppb
NO2
0.21ppm
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 06:00:00 on 2026-10-22.
In the last 24 hours, the best air quality in Fond Du Lac, Wisconsin was observed at 03:00:00 on 2026-10-22.
As of now, the AQI in Fond Du Lac, Wisconsin is 49, indicating Good conditions.
Fond Du Lac, Wisconsin air has the highest levels of PM2.5.
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 8.542 μg/m3.
The PM10 concentration in Fond Du Lac, Wisconsin is 29.905 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fond Du Lac, Wisconsin is 0.217 ppm.
Currently, Fond Du Lac, Wisconsin has a sulfur dioxide (SO2) concentration of 0.797 ppb.
The current ozone (O3) level in Fond Du Lac, Wisconsin at the moment is 38.066 ppm.
Nitrogen dioxide (NO2) level in Fond Du Lac, Wisconsin at the moment is 7.107 ppb.
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