Air quality in Libby
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
10.9 µg/m³
WHO guideline 15
PM10
11.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 AM
💨
PM2.5 10.9 µg/m³
45Good
4:00 AM
💨
PM2.5 10.8 µg/m³
45Good
5:00 AM
💨
PM2.5 10.6 µg/m³
44Good
6:00 AM
💨
PM2.5 10.4 µg/m³
43Good
7:00 AM
💨
PM2.5 10.3 µg/m³
43Good
8:00 AM
💨
PM2.5 10.2 µg/m³
43Good
9:00 AM
💨
PM2.5 9.6 µg/m³
40Good
10:00 AM
💨
PM2.5 9.5 µg/m³
46Good
11:00 AM
💨
PM2.5 18.6 µg/m³
78Moderate
12:00 PM
💨
PM2.5 24 µg/m³
110Unhealthy for Sensitive Groups
1:00 PM
💨
PM2.5 25.4 µg/m³
120Unhealthy for Sensitive Groups
2:00 PM
💨
PM2.5 25 µg/m³
119Unhealthy for Sensitive Groups
Next few days
daily max · US EPA AQI
Wed
💨
Unhealthy for Sensitive Groups · UV High
120
Thu
💨
Moderate · UV High
91
Fri
💨
Moderate · UV High
81
Sat
💨
Moderate · UV Moderate
56