Air quality in Medfield
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
9.1 µg/m³
WHO guideline 15
PM10
11.4 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
11:00 AM
💨
PM2.5 9.1 µg/m³
44Good
12:00 PM
💨
PM2.5 7.8 µg/m³
44Good
1:00 PM
💨
PM2.5 7.2 µg/m³
43Good
2:00 PM
💨
PM2.5 7.2 µg/m³
41Good
3:00 PM
💨
PM2.5 6.3 µg/m³
39Good
4:00 PM
💨
PM2.5 6.2 µg/m³
36Good
5:00 PM
💨
PM2.5 6.7 µg/m³
34Good
6:00 PM
💨
PM2.5 7.5 µg/m³
31Good
7:00 PM
💨
PM2.5 8 µg/m³
33Good
8:00 PM
💨
PM2.5 8.9 µg/m³
37Good
9:00 PM
💨
PM2.5 10.3 µg/m³
43Good
10:00 PM
💨
PM2.5 12 µg/m³
50Good
Next few days
daily max · US EPA AQI
Sun
💨
Moderate · UV Moderate
93
Mon
💨
Moderate · UV High
80
Tue
💨
Good · UV Moderate
41