Air quality in Caswell Hill
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
10.4 µg/m³
WHO guideline 15
PM10
10.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
2:00 AM
💨
PM2.5 10.4 µg/m³
43Good
3:00 AM
💨
PM2.5 10 µg/m³
42Good
4:00 AM
💨
PM2.5 9.8 µg/m³
41Good
5:00 AM
💨
PM2.5 9.2 µg/m³
38Good
6:00 AM
💨
PM2.5 7.5 µg/m³
36Good
7:00 AM
💨
PM2.5 5.7 µg/m³
34Good
8:00 AM
💨
PM2.5 5.1 µg/m³
31Good
9:00 AM
💨
PM2.5 3.8 µg/m³
28Good
10:00 AM
💨
PM2.5 2.2 µg/m³
28Good
11:00 AM
💨
PM2.5 1.4 µg/m³
29Good
12:00 PM
💨
PM2.5 1.7 µg/m³
31Good
1:00 PM
💨
PM2.5 2.8 µg/m³
33Good
Next few days
daily max · US EPA AQI
Tue
💨
Good · UV Moderate
33
Wed
💨
Good · UV Moderate
37
Thu
💨
Good · UV Moderate
44