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Columbus, OH Air Quality

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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.

US AQI · EPA
27
Good
PM2.5
6.5 µg/m³
WHO guideline 15
PM10
6.7 µg/m³
WHO guideline 45
NO₂ · O₃
13 · 39
µg/m³

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
Tue 💨 Good · UV High
40
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Updated: 4:52 AM