Air quality in Crested Butte
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
3.3 µg/m³
WHO guideline 15
PM10
5.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
9:00 AM
💨
PM2.5 3.3 µg/m³
46Good
10:00 AM
💨
PM2.5 2.8 µg/m³
47Good
11:00 AM
💨
PM2.5 2.4 µg/m³
47Good
12:00 PM
💨
PM2.5 2.1 µg/m³
47Good
1:00 PM
💨
PM2.5 1.8 µg/m³
47Good
2:00 PM
💨
PM2.5 1.6 µg/m³
46Good
3:00 PM
💨
PM2.5 1.3 µg/m³
45Good
4:00 PM
💨
PM2.5 1.2 µg/m³
44Good
5:00 PM
💨
PM2.5 1.2 µg/m³
44Good
6:00 PM
💨
PM2.5 1.2 µg/m³
43Good
7:00 PM
💨
PM2.5 1.3 µg/m³
41Good
8:00 PM
💨
PM2.5 1.4 µg/m³
37Good
Next few days
daily max · US EPA AQI
Sun
💨
Good · UV Moderate
47
Mon
💨
Good · UV Moderate
48
Tue
💨
Good · UV Very high
49
Wed
💨
Good · UV Very high
45
Thu
💨
Good · UV Moderate
32