Air quality in Collegeville
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
5.5 µg/m³
WHO guideline 15
PM10
5.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
4:00 PM
💨
PM2.5 5.5 µg/m³
48Good
5:00 PM
💨
PM2.5 5.1 µg/m³
45Good
6:00 PM
💨
PM2.5 5 µg/m³
41Good
7:00 PM
💨
PM2.5 4.9 µg/m³
37Good
8:00 PM
💨
PM2.5 5.4 µg/m³
33Good
9:00 PM
💨
PM2.5 6.2 µg/m³
29Good
10:00 PM
💨
PM2.5 6.7 µg/m³
28Good
11:00 PM
💨
PM2.5 5.7 µg/m³
28Good
12:00 AM
💨
PM2.5 5.6 µg/m³
32Good
1:00 AM
💨
PM2.5 6.8 µg/m³
34Good
2:00 AM
💨
PM2.5 6.3 µg/m³
36Good
3:00 AM
💨
PM2.5 5.8 µg/m³
37Good
Next few days
daily max · US EPA AQI
Sun
💨
Unhealthy for Sensitive Groups · UV Very high
110
Mon
💨
Good · UV Very high
45
Tue
💨
No data · UV High
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