Air quality in Harpswell Center
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
7 µg/m³
WHO guideline 15
PM10
10.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 PM
💨
PM2.5 7 µg/m³
41Good
4:00 PM
💨
PM2.5 6.7 µg/m³
42Good
5:00 PM
💨
PM2.5 6.2 µg/m³
42Good
6:00 PM
💨
PM2.5 5.7 µg/m³
41Good
7:00 PM
💨
PM2.5 5.8 µg/m³
38Good
8:00 PM
💨
PM2.5 6.8 µg/m³
35Good
9:00 PM
💨
PM2.5 8.5 µg/m³
35Good
10:00 PM
💨
PM2.5 10.8 µg/m³
45Good
11:00 PM
💨
PM2.5 12.5 µg/m³
52Moderate
12:00 AM
💨
PM2.5 12.5 µg/m³
52Moderate
1:00 AM
💨
PM2.5 11.8 µg/m³
49Good
2:00 AM
💨
PM2.5 11.7 µg/m³
49Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV Low
52
Fri
💨
Moderate · UV High
52
Sun
💨
Good · UV Moderate
35