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
4.4 µg/m³
WHO guideline 15
PM10
4.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 PM
💨
PM2.5 4.4 µg/m³
26Good
9:00 PM
💨
PM2.5 4.8 µg/m³
25Good
10:00 PM
💨
PM2.5 5 µg/m³
26Good
11:00 PM
💨
PM2.5 5.3 µg/m³
26Good
12:00 AM
💨
PM2.5 5.9 µg/m³
26Good
1:00 AM
💨
PM2.5 7 µg/m³
29Good
2:00 AM
💨
PM2.5 8.5 µg/m³
35Good
3:00 AM
💨
PM2.5 9.4 µg/m³
39Good
4:00 AM
💨
PM2.5 9.4 µg/m³
39Good
5:00 AM
💨
PM2.5 8.8 µg/m³
37Good
6:00 AM
💨
PM2.5 7.9 µg/m³
33Good
7:00 AM
💨
PM2.5 6.6 µg/m³
28Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
70
Sat
💨
Good · UV Moderate
46
Sun
💨
Good · UV Moderate
46
Mon
💨
Good · UV Moderate
38