Air quality in Williamsport
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
6.4 µg/m³
WHO guideline 15
PM10
6.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
5:00 PM
💨
PM2.5 6.4 µg/m³
45Good
6:00 PM
💨
PM2.5 6.8 µg/m³
42Good
7:00 PM
💨
PM2.5 7.1 µg/m³
39Good
8:00 PM
💨
PM2.5 7.4 µg/m³
36Good
9:00 PM
💨
PM2.5 8 µg/m³
33Good
10:00 PM
💨
PM2.5 9.5 µg/m³
40Good
11:00 PM
💨
PM2.5 10.9 µg/m³
45Good
12:00 AM
💨
PM2.5 12.3 µg/m³
51Moderate
1:00 AM
💨
PM2.5 13.2 µg/m³
53Moderate
2:00 AM
💨
PM2.5 13.3 µg/m³
54Moderate
3:00 AM
💨
PM2.5 10.7 µg/m³
45Good
4:00 AM
💨
PM2.5 9.6 µg/m³
40Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV High
60
Fri
💨
Moderate · UV High
54
Sun
💨
Moderate · UV High
60
Mon
💨
Moderate · UV High
53