Air quality in Columbus
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
10.5 µg/m³
WHO guideline 15
PM10
11.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 PM
💨
PM2.5 10.5 µg/m³
47Good
2:00 PM
💨
PM2.5 13.5 µg/m³
54Moderate
3:00 PM
💨
PM2.5 19.5 µg/m³
67Moderate
4:00 PM
💨
PM2.5 20.9 µg/m³
70Moderate
5:00 PM
💨
PM2.5 18.2 µg/m³
64Moderate
6:00 PM
💨
PM2.5 13.3 µg/m³
54Moderate
7:00 PM
💨
PM2.5 9.4 µg/m³
39Good
8:00 PM
💨
PM2.5 6.8 µg/m³
32Good
9:00 PM
💨
PM2.5 9.8 µg/m³
41Good
10:00 PM
💨
PM2.5 11.6 µg/m³
48Good
11:00 PM
💨
PM2.5 12.5 µg/m³
52Moderate
12:00 AM
💨
PM2.5 13.5 µg/m³
54Moderate
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV High
73
Sun
💨
Moderate · UV High
60
Mon
💨
Moderate · UV High
72
Tue
💨
Moderate · UV High
70
Wed
💨
Moderate · UV Very high
77