Air quality in Maynard
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
7.4 µg/m³
WHO guideline 15
PM10
9.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 AM
💨
PM2.5 7.4 µg/m³
31Good
4:00 AM
💨
PM2.5 7.4 µg/m³
31Good
5:00 AM
💨
PM2.5 7.3 µg/m³
30Good
6:00 AM
💨
PM2.5 7.1 µg/m³
30Good
7:00 AM
💨
PM2.5 7 µg/m³
29Good
8:00 AM
💨
PM2.5 6.6 µg/m³
28Good
9:00 AM
💨
PM2.5 5 µg/m³
30Good
10:00 AM
💨
PM2.5 4.7 µg/m³
36Good
11:00 AM
💨
PM2.5 4.7 µg/m³
41Good
12:00 PM
💨
PM2.5 4.4 µg/m³
44Good
1:00 PM
💨
PM2.5 4.5 µg/m³
46Good
2:00 PM
💨
PM2.5 4.6 µg/m³
48Good
Next few days
daily max · US EPA AQI
Mon
💨
Moderate · UV High
55
Tue
💨
Good · UV Moderate
42
Thu
💨
Moderate · UV High
55