Air quality in Coos Bay
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
7.2 µg/m³
WHO guideline 15
PM10
11.9 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
11:00 AM
💨
PM2.5 7.2 µg/m³
30Good
12:00 PM
💨
PM2.5 7.5 µg/m³
31Good
1:00 PM
💨
PM2.5 7.9 µg/m³
33Good
2:00 PM
💨
PM2.5 8.2 µg/m³
34Good
3:00 PM
💨
PM2.5 8.6 µg/m³
36Good
4:00 PM
💨
PM2.5 8.8 µg/m³
37Good
5:00 PM
💨
PM2.5 8.9 µg/m³
37Good
6:00 PM
💨
PM2.5 9.3 µg/m³
39Good
7:00 PM
💨
PM2.5 9.5 µg/m³
40Good
8:00 PM
💨
PM2.5 8 µg/m³
33Good
9:00 PM
💨
PM2.5 7.1 µg/m³
30Good
10:00 PM
💨
PM2.5 6.5 µg/m³
27Good
Next few days
daily max · US EPA AQI
Tue
💨
Moderate · UV Moderate
56
Thu
💨
Good · UV Moderate
40