Air quality in North Portland
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
13.5 µg/m³
WHO guideline 15
PM10
15.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 AM
💨
PM2.5 13.5 µg/m³
54Moderate
8:00 AM
💨
PM2.5 14.1 µg/m³
55Moderate
9:00 AM
💨
PM2.5 13.5 µg/m³
54Moderate
10:00 AM
💨
PM2.5 12.4 µg/m³
52Moderate
11:00 AM
💨
PM2.5 7.8 µg/m³
33Good
12:00 PM
💨
PM2.5 6.1 µg/m³
36Good
1:00 PM
💨
PM2.5 5.8 µg/m³
38Good
2:00 PM
💨
PM2.5 5.6 µg/m³
39Good
3:00 PM
💨
PM2.5 5.1 µg/m³
40Good
4:00 PM
💨
PM2.5 4.8 µg/m³
40Good
5:00 PM
💨
PM2.5 5.2 µg/m³
39Good
6:00 PM
💨
PM2.5 5.5 µg/m³
36Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV Moderate
65
Sat
💨
Moderate · UV Moderate
71
Sun
💨
Moderate · UV Moderate
67
Mon
💨
Moderate · UV High
71
Tue
💨
Moderate · UV High
66