Stay updated with real-time air quality in Madison, 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)
66
Moderate
Madison, Wisconsin
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
17.15 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.37 μg/m³
0
55
155
255
425
605+
43.61 ppb
0
55
71
86
201
201+
0.91 ppb
0
36
76
186
605
1005+
2.19 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Madison, Wisconsin
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AQI 60
Moderate
14.13μg/m³
PM2.5
34.13μg/m³
PM10
20.67ppb
O3
0.56ppb
SO2
7.65ppb
NO2
0.16ppm
CO
AQI 62
Moderate
14.57μg/m³
PM2.5
27.99μg/m³
PM10
20.68ppb
O3
0.56ppb
SO2
7.63ppb
NO2
0.16ppm
CO
AQI 60
Moderate
14.27μg/m³
PM2.5
38.61μg/m³
PM10
20.81ppb
O3
0.56ppb
SO2
7.67ppb
NO2
0.16ppm
CO
AQI 62
Moderate
14.94μg/m³
PM2.5
64.86μg/m³
PM10
22.00ppb
O3
0.63ppb
SO2
7.45ppb
NO2
0.16ppm
CO
AQI 64
Moderate
15.89μg/m³
PM2.5
62.73μg/m³
PM10
20.84ppb
O3
0.57ppb
SO2
7.67ppb
NO2
0.16ppm
CO
AQI 73
Moderate
21.47μg/m³
PM2.5
94.18μg/m³
PM10
20.74ppb
O3
0.53ppb
SO2
7.87ppb
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 Madison, Wisconsin is updated every hour for accuracy.
In the past 24 hours, the air quality in Madison, Wisconsin was at its worst at 02:00:00 on 2025-07-21.
In the last 24 hours, the best air quality in Madison, Wisconsin was observed at 01:00:00 on 2025-07-22.
As of now, the AQI in Madison, Wisconsin is 60, indicating Moderate conditions.
Madison, Wisconsin air has the highest levels of PM2.5.
Poor air quality in Madison, Wisconsin means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Madison, Wisconsin are currently 14.104 μg/m3.
The PM10 concentration in Madison, Wisconsin is 31.135 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Madison, Wisconsin is 0.16 ppm.
Currently, Madison, Wisconsin has a sulfur dioxide (SO2) concentration of 0.563 ppb.
The current ozone (O3) level in Madison, Wisconsin at the moment is 20.687 ppm.
Nitrogen dioxide (NO2) level in Madison, Wisconsin at the moment is 7.639 ppb.
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