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
14.6 µg/m³
WHO guideline 15
PM10
14.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 AM
💨
PM2.5 14.6 µg/m³
56Moderate
8:00 AM
💨
PM2.5 15.4 µg/m³
58Moderate
9:00 AM
💨
PM2.5 15.1 µg/m³
57Moderate
10:00 AM
💨
PM2.5 15.1 µg/m³
57Moderate
11:00 AM
💨
PM2.5 13.3 µg/m³
86Moderate
12:00 PM
💨
PM2.5 11.2 µg/m³
100Moderate
1:00 PM
💨
PM2.5 10.1 µg/m³
101Unhealthy for Sensitive Groups
2:00 PM
💨
PM2.5 10 µg/m³
99Moderate
3:00 PM
💨
PM2.5 10 µg/m³
100Moderate
4:00 PM
💨
PM2.5 10.4 µg/m³
96Moderate
5:00 PM
💨
PM2.5 10.8 µg/m³
88Moderate
6:00 PM
💨
PM2.5 11.1 µg/m³
75Moderate
Next few days
daily max · US EPA AQI
Sat
💨
Unhealthy for Sensitive Groups · UV Very high
101
Sun
💨
Unhealthy for Sensitive Groups · UV Very high
108
Mon
💨
Moderate · UV Very high
100
Tue
💨
Unhealthy for Sensitive Groups · UV Very high
145
Wed
💨
Moderate · UV Very high
67