Air quality in Oregon
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
17.3 µg/m³
WHO guideline 15
PM10
17.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 AM
💨
PM2.5 17.3 µg/m³
62Moderate
4:00 AM
💨
PM2.5 18 µg/m³
63Moderate
5:00 AM
💨
PM2.5 18.5 µg/m³
64Moderate
6:00 AM
💨
PM2.5 18.8 µg/m³
65Moderate
7:00 AM
💨
PM2.5 19.2 µg/m³
66Moderate
8:00 AM
💨
PM2.5 16.6 µg/m³
60Moderate
9:00 AM
💨
PM2.5 11.9 µg/m³
50Good
10:00 AM
💨
PM2.5 12 µg/m³
50Good
11:00 AM
💨
PM2.5 12.3 µg/m³
51Moderate
12:00 PM
💨
PM2.5 11.4 µg/m³
48Good
1:00 PM
💨
PM2.5 10.9 µg/m³
50Good
2:00 PM
💨
PM2.5 10.8 µg/m³
55Moderate
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV High
66
Sat
💨
Good · UV Moderate
43
Tue
💨
No data · UV Very high
—