Air quality in Londonderry
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
5.6 µg/m³
WHO guideline 15
PM10
7.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 PM
💨
PM2.5 5.6 µg/m³
34Good
1:00 PM
💨
PM2.5 5.3 µg/m³
35Good
2:00 PM
💨
PM2.5 5.1 µg/m³
37Good
3:00 PM
💨
PM2.5 5.2 µg/m³
39Good
4:00 PM
💨
PM2.5 5.6 µg/m³
41Good
5:00 PM
💨
PM2.5 6.2 µg/m³
42Good
6:00 PM
💨
PM2.5 6.5 µg/m³
42Good
7:00 PM
💨
PM2.5 6.7 µg/m³
42Good
8:00 PM
💨
PM2.5 7.4 µg/m³
41Good
9:00 PM
💨
PM2.5 6.8 µg/m³
39Good
10:00 PM
💨
PM2.5 5.8 µg/m³
37Good
11:00 PM
💨
PM2.5 5.4 µg/m³
35Good
Next few days
daily max · US EPA AQI
Wed
💨
Good · UV Moderate
42
Sat
💨
Good · UV Moderate
34
Sun
💨
Good · UV Moderate
34