Air quality in Barnstable
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
7.1 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 7.1 µg/m³
34Good
4:00 PM
💨
PM2.5 7.1 µg/m³
34Good
5:00 PM
💨
PM2.5 7 µg/m³
34Good
6:00 PM
💨
PM2.5 7 µg/m³
33Good
7:00 PM
💨
PM2.5 7.2 µg/m³
32Good
8:00 PM
💨
PM2.5 7 µg/m³
31Good
9:00 PM
💨
PM2.5 7.1 µg/m³
30Good
10:00 PM
💨
PM2.5 7.8 µg/m³
33Good
11:00 PM
💨
PM2.5 8.4 µg/m³
35Good
12:00 AM
💨
PM2.5 8.9 µg/m³
37Good
1:00 AM
💨
PM2.5 9.1 µg/m³
38Good
2:00 AM
💨
PM2.5 9.3 µg/m³
39Good
Next few days
daily max · US EPA AQI
Fri
💨
Unhealthy for Sensitive Groups · UV High
128
Sun
💨
Good · UV Moderate
36