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
1.4 µg/m³
WHO guideline 15
PM10
1.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 AM
💨
PM2.5 1.4 µg/m³
32Good
3:00 AM
💨
PM2.5 0.5 µg/m³
31Good
4:00 AM
💨
PM2.5 0.2 µg/m³
30Good
5:00 AM
💨
PM2.5 0.3 µg/m³
29Good
6:00 AM
💨
PM2.5 0.4 µg/m³
28Good
7:00 AM
💨
PM2.5 0.5 µg/m³
26Good
8:00 AM
💨
PM2.5 0.5 µg/m³
27Good
9:00 AM
💨
PM2.5 0.6 µg/m³
30Good
10:00 AM
💨
PM2.5 0.9 µg/m³
35Good
11:00 AM
💨
PM2.5 1.3 µg/m³
39Good
12:00 PM
💨
PM2.5 1.5 µg/m³
41Good
1:00 PM
💨
PM2.5 1.7 µg/m³
43Good
Next few days
daily max · US EPA AQI
Sat
💨
Good · UV Moderate
34
Sun
💨
Good · UV Moderate
36