Air quality in Big Sky
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
3.7 µg/m³
WHO guideline 15
PM10
5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 PM
💨
PM2.5 3.7 µg/m³
50Good
3:00 PM
💨
PM2.5 3.4 µg/m³
49Good
4:00 PM
💨
PM2.5 3.3 µg/m³
49Good
5:00 PM
💨
PM2.5 3 µg/m³
50Good
6:00 PM
💨
PM2.5 3.3 µg/m³
49Good
7:00 PM
💨
PM2.5 3.1 µg/m³
45Good
8:00 PM
💨
PM2.5 3.2 µg/m³
40Good
9:00 PM
💨
PM2.5 3.3 µg/m³
35Good
10:00 PM
💨
PM2.5 3.3 µg/m³
34Good
11:00 PM
💨
PM2.5 3.4 µg/m³
32Good
12:00 AM
💨
PM2.5 3.4 µg/m³
32Good
1:00 AM
💨
PM2.5 3.5 µg/m³
31Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV High
51
Thu
💨
Moderate · UV High
61
Fri
💨
Moderate · UV Moderate
58
Sat
💨
Good · UV Moderate
47
Sun
💨
Good · UV Moderate
38