Air quality in Woburn
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
6.8 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 AM
💨
PM2.5 6.4 µg/m³
34Good
11:00 AM
💨
PM2.5 6.2 µg/m³
39Good
12:00 PM
💨
PM2.5 6.1 µg/m³
43Good
1:00 PM
💨
PM2.5 6.1 µg/m³
48Good
2:00 PM
💨
PM2.5 6.1 µg/m³
53Moderate
3:00 PM
💨
PM2.5 6.1 µg/m³
60Moderate
4:00 PM
💨
PM2.5 5.9 µg/m³
63Moderate
5:00 PM
💨
PM2.5 5.6 µg/m³
58Moderate
6:00 PM
💨
PM2.5 5.2 µg/m³
48Good
7:00 PM
💨
PM2.5 5.1 µg/m³
42Good
8:00 PM
💨
PM2.5 6.4 µg/m³
35Good
9:00 PM
💨
PM2.5 8.2 µg/m³
34Good
Next few days
daily max · US EPA AQI
Sat
💨
Moderate · UV High
63
Sun
💨
Moderate · UV High
76
Mon
💨
Moderate · UV Moderate
60
Tue
💨
Moderate · UV High
61
Wed
💨
Good · UV Moderate
37