Air quality in Columbia
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
9.5 µg/m³
WHO guideline 15
PM10
9.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 AM
💨
PM2.5 9.5 µg/m³
40Good
3:00 AM
💨
PM2.5 9.5 µg/m³
40Good
4:00 AM
💨
PM2.5 9.7 µg/m³
40Good
5:00 AM
💨
PM2.5 10.1 µg/m³
42Good
6:00 AM
💨
PM2.5 10.6 µg/m³
44Good
7:00 AM
💨
PM2.5 11.3 µg/m³
47Good
8:00 AM
💨
PM2.5 11.3 µg/m³
47Good
9:00 AM
💨
PM2.5 10.7 µg/m³
58Moderate
10:00 AM
💨
PM2.5 10 µg/m³
99Moderate
11:00 AM
💨
PM2.5 9.3 µg/m³
113Unhealthy for Sensitive Groups
12:00 PM
💨
PM2.5 8.8 µg/m³
111Unhealthy for Sensitive Groups
1:00 PM
💨
PM2.5 8.7 µg/m³
110Unhealthy for Sensitive Groups
Next few days
daily max · US EPA AQI
Fri
💨
Unhealthy for Sensitive Groups · UV Very high
119
Sat
💨
Unhealthy for Sensitive Groups · UV Very high
103
Sun
💨
Moderate · UV High
91
Mon
💨
Moderate · UV Very high
70