Air quality in Weymouth
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
3.9 µg/m³
WHO guideline 15
PM10
5.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
12:00 PM
💨
PM2.5 3.9 µg/m³
40Good
1:00 PM
💨
PM2.5 3.5 µg/m³
41Good
2:00 PM
💨
PM2.5 3.4 µg/m³
41Good
3:00 PM
💨
PM2.5 3.2 µg/m³
41Good
4:00 PM
💨
PM2.5 3.3 µg/m³
41Good
5:00 PM
💨
PM2.5 3.6 µg/m³
41Good
6:00 PM
💨
PM2.5 3.9 µg/m³
39Good
7:00 PM
💨
PM2.5 4.5 µg/m³
38Good
8:00 PM
💨
PM2.5 5.1 µg/m³
36Good
9:00 PM
💨
PM2.5 5.9 µg/m³
36Good
10:00 PM
💨
PM2.5 6.6 µg/m³
36Good
11:00 PM
💨
PM2.5 7.2 µg/m³
36Good
Next few days
daily max · US EPA AQI
Thu
💨
Good · UV Moderate
44
Fri
💨
Moderate · UV High
63
Sat
💨
Good · UV Moderate
31