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
8.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.87 μg/m³
0
55
155
255
425
605+
49.81 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
12.45 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
Fond Du Lac, Wisconsin
Fond Du Lac, Wisconsin
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AQI 49
Good
8.94μg/m³
PM2.5
38.87μg/m³
PM10
49.81ppb
O3
0.41ppb
SO2
12.45ppb
NO2
0.18ppm
CO
AQI 44
Good
8.11μg/m³
PM2.5
21.12μg/m³
PM10
48.35ppb
O3
0.59ppb
SO2
7.35ppb
NO2
0.15ppm
CO
AQI 49
Good
8.63μg/m³
PM2.5
25.93μg/m³
PM10
50.31ppb
O3
0.38ppb
SO2
12.48ppb
NO2
0.20ppm
CO
AQI 52
Moderate
9.66μg/m³
PM2.5
38.62μg/m³
PM10
46.96ppb
O3
0.41ppb
SO2
12.21ppb
NO2
0.21ppm
CO
AQI 44
Good
8.38μg/m³
PM2.5
25.97μg/m³
PM10
46.87ppb
O3
0.33ppb
SO2
12.56ppb
NO2
0.21ppm
CO
AQI 44
Good
7.99μg/m³
PM2.5
21.61μg/m³
PM10
46.84ppb
O3
0.61ppb
SO2
7.30ppb
NO2
0.15ppm
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 11:00:00 on 2026-04-23.
In the last 24 hours, the best air quality in Fond Du Lac, Wisconsin was observed at 07:00:00 on 2026-04-23.
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 8.938 μg/m3.
The PM10 concentration in Fond Du Lac, Wisconsin is 38.873 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fond Du Lac, Wisconsin is 0.183 ppm.
Currently, Fond Du Lac, Wisconsin has a sulfur dioxide (SO2) concentration of 0.408 ppb.
The current ozone (O3) level in Fond Du Lac, Wisconsin at the moment is 49.813 ppm.
Nitrogen dioxide (NO2) level in Fond Du Lac, Wisconsin at the moment is 12.453 ppb.
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