Air quality in Denver
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
7.1 µg/m³
WHO guideline 15
PM10
7.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
11:00 PM
💨
PM2.5 7.1 µg/m³
30Good
12:00 AM
💨
PM2.5 7.3 µg/m³
30Good
1:00 AM
💨
PM2.5 7.6 µg/m³
32Good
2:00 AM
💨
PM2.5 7.8 µg/m³
33Good
3:00 AM
💨
PM2.5 8 µg/m³
33Good
4:00 AM
💨
PM2.5 8.1 µg/m³
34Good
5:00 AM
💨
PM2.5 8 µg/m³
33Good
6:00 AM
💨
PM2.5 7.7 µg/m³
32Good
7:00 AM
💨
PM2.5 7.2 µg/m³
30Good
8:00 AM
💨
PM2.5 5.2 µg/m³
32Good
9:00 AM
💨
PM2.5 3 µg/m³
38Good
10:00 AM
💨
PM2.5 2.4 µg/m³
44Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV Very high
71
Tue
💨
Moderate · UV Very high
66
Wed
💨
Unhealthy for Sensitive Groups · UV Very high
106
Thu
💨
Unhealthy for Sensitive Groups · UV Very high
140
Fri
💨
Good · UV Very high
38