Air quality in Greely
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
7.3 µg/m³
WHO guideline 15
PM10
7.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 AM
💨
PM2.5 7.3 µg/m³
30Good
2:00 AM
💨
PM2.5 6.7 µg/m³
28Good
3:00 AM
💨
PM2.5 6 µg/m³
25Good
4:00 AM
💨
PM2.5 5.5 µg/m³
23Good
5:00 AM
💨
PM2.5 4.9 µg/m³
20Good
6:00 AM
💨
PM2.5 4.4 µg/m³
18Good
7:00 AM
💨
PM2.5 4.3 µg/m³
18Good
8:00 AM
💨
PM2.5 3.6 µg/m³
15Good
9:00 AM
💨
PM2.5 3.6 µg/m³
20Good
10:00 AM
💨
PM2.5 3.3 µg/m³
27Good
11:00 AM
💨
PM2.5 2.5 µg/m³
32Good
12:00 PM
💨
PM2.5 2 µg/m³
34Good
Next few days
daily max · US EPA AQI
Sat
💨
Good · UV Moderate
43
Sun
💨
Good · UV Moderate
42
Wed
💨
Good · UV Moderate
45