Air quality in Centre Square
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
15.5 µg/m³
WHO guideline 15
PM10
16 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
1:00 PM
💨
PM2.5 15.5 µg/m³
58Moderate
2:00 PM
💨
PM2.5 13.4 µg/m³
54Moderate
3:00 PM
💨
PM2.5 9.6 µg/m³
48Good
4:00 PM
💨
PM2.5 7.6 µg/m³
47Good
5:00 PM
💨
PM2.5 6.9 µg/m³
44Good
6:00 PM
💨
PM2.5 6.4 µg/m³
42Good
7:00 PM
💨
PM2.5 6.1 µg/m³
38Good
8:00 PM
💨
PM2.5 6.1 µg/m³
34Good
9:00 PM
💨
PM2.5 6.3 µg/m³
30Good
10:00 PM
💨
PM2.5 6.7 µg/m³
28Good
11:00 PM
💨
PM2.5 7 µg/m³
29Good
12:00 AM
💨
PM2.5 7.2 µg/m³
30Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV High
58
Fri
💨
Good · UV Moderate
37
Sat
💨
Good · UV Moderate
44