Air quality in Portland Estates
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
2.6 µg/m³
WHO guideline 15
PM10
3.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
6:00 PM
💨
PM2.5 2.6 µg/m³
42Good
7:00 PM
💨
PM2.5 3.3 µg/m³
41Good
8:00 PM
💨
PM2.5 3.7 µg/m³
40Good
9:00 PM
💨
PM2.5 4.1 µg/m³
40Good
10:00 PM
💨
PM2.5 4.6 µg/m³
40Good
11:00 PM
💨
PM2.5 4.9 µg/m³
40Good
12:00 AM
💨
PM2.5 5.1 µg/m³
40Good
1:00 AM
💨
PM2.5 5.2 µg/m³
41Good
2:00 AM
💨
PM2.5 5.4 µg/m³
41Good
3:00 AM
💨
PM2.5 5.7 µg/m³
42Good
4:00 AM
💨
PM2.5 6.1 µg/m³
42Good
5:00 AM
💨
PM2.5 6.4 µg/m³
43Good
Next few days
daily max · US EPA AQI
Fri
💨
Moderate · UV Moderate
55
Sat
💨
Good · UV Moderate
39