Air quality in West Linn
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
16.6 µg/m³
WHO guideline 15
PM10
18.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 PM
💨
PM2.5 16.6 µg/m³
60Moderate
9:00 PM
💨
PM2.5 15.3 µg/m³
58Moderate
10:00 PM
💨
PM2.5 13.5 µg/m³
54Moderate
11:00 PM
💨
PM2.5 12.3 µg/m³
51Moderate
12:00 AM
💨
PM2.5 11.6 µg/m³
48Good
1:00 AM
💨
PM2.5 11.6 µg/m³
48Good
2:00 AM
💨
PM2.5 11.6 µg/m³
48Good
3:00 AM
💨
PM2.5 11.4 µg/m³
48Good
4:00 AM
💨
PM2.5 11.1 µg/m³
46Good
5:00 AM
💨
PM2.5 11.5 µg/m³
48Good
6:00 AM
💨
PM2.5 11.7 µg/m³
49Good
7:00 AM
💨
PM2.5 11.7 µg/m³
49Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV Moderate
71
Fri
💨
Moderate · UV High
66
Sat
💨
Moderate · UV High
58
Sun
💨
Moderate · UV High
51
Mon
💨
Good · UV Moderate
39