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
6.5 µg/m³
WHO guideline 15
PM10
6.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 AM
💨
PM2.5 6.5 µg/m³
27Good
5:00 AM
💨
PM2.5 3.6 µg/m³
20Good
6:00 AM
💨
PM2.5 1.9 µg/m³
24Good
7:00 AM
💨
PM2.5 1.1 µg/m³
29Good
8:00 AM
💨
PM2.5 1.2 µg/m³
33Good
9:00 AM
💨
PM2.5 1.6 µg/m³
32Good
10:00 AM
💨
PM2.5 2.1 µg/m³
29Good
11:00 AM
💨
PM2.5 2.5 µg/m³
29Good
12:00 PM
💨
PM2.5 2.9 µg/m³
34Good
1:00 PM
💨
PM2.5 3.4 µg/m³
41Good
2:00 PM
💨
PM2.5 3 µg/m³
46Good
3:00 PM
💨
PM2.5 1.9 µg/m³
47Good
Next few days
daily max · US EPA AQI
Fri
💨
Good · UV Moderate
47
Sat
💨
Moderate · UV Very high
65
Sun
💨
Moderate · UV Very high
60
Mon
💨
Good · UV Very high
46