Air quality in Madison
The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.
PM2.5
14.1 µg/m³
WHO guideline 15
PM10
14.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
6:00 PM
💨
PM2.5 14.1 µg/m³
61Moderate
7:00 PM
💨
PM2.5 14.6 µg/m³
56Moderate
8:00 PM
💨
PM2.5 16 µg/m³
59Moderate
9:00 PM
💨
PM2.5 17.5 µg/m³
62Moderate
10:00 PM
💨
PM2.5 17.8 µg/m³
63Moderate
11:00 PM
💨
PM2.5 17.8 µg/m³
63Moderate
12:00 AM
💨
PM2.5 17.8 µg/m³
63Moderate
1:00 AM
💨
PM2.5 18.2 µg/m³
64Moderate
2:00 AM
💨
PM2.5 19.1 µg/m³
66Moderate
3:00 AM
💨
PM2.5 21.1 µg/m³
70Moderate
4:00 AM
💨
PM2.5 24 µg/m³
76Moderate
5:00 AM
💨
PM2.5 28.1 µg/m³
85Moderate
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
80
Sat
💨
Moderate · UV Very high
85
Sun
💨
Moderate · UV Very high
72
Mon
💨
Unhealthy for Sensitive Groups · UV Very high
108
Tue
💨
No data · UV Very high
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