Air quality in Decatur
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
12.7 µg/m³
WHO guideline 15
PM10
13.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 PM
💨
PM2.5 12.7 µg/m³
80Moderate
2:00 PM
💨
PM2.5 10.8 µg/m³
80Moderate
3:00 PM
💨
PM2.5 10.8 µg/m³
73Moderate
4:00 PM
💨
PM2.5 11.9 µg/m³
65Moderate
5:00 PM
💨
PM2.5 13 µg/m³
53Moderate
6:00 PM
💨
PM2.5 12.9 µg/m³
53Moderate
7:00 PM
💨
PM2.5 14.2 µg/m³
55Moderate
8:00 PM
💨
PM2.5 15.3 µg/m³
58Moderate
9:00 PM
💨
PM2.5 16.6 µg/m³
60Moderate
10:00 PM
💨
PM2.5 18.2 µg/m³
64Moderate
11:00 PM
💨
PM2.5 19.8 µg/m³
67Moderate
12:00 AM
💨
PM2.5 21.3 µg/m³
70Moderate
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV Very high
80
Sat
💨
Moderate · UV Very high
76
Sun
💨
Moderate · UV High
83
Mon
💨
Moderate · UV Very high
53
Tue
💨
No data · UV Very high
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