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
11.1 µg/m³
WHO guideline 15
PM10
13.1 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
10:00 AM
💨
PM2.5 11.1 µg/m³
46Good
11:00 AM
💨
PM2.5 10.9 µg/m³
48Good
12:00 PM
💨
PM2.5 10.4 µg/m³
61Moderate
1:00 PM
💨
PM2.5 10.6 µg/m³
73Moderate
2:00 PM
💨
PM2.5 11.4 µg/m³
81Moderate
3:00 PM
💨
PM2.5 11.4 µg/m³
85Moderate
4:00 PM
💨
PM2.5 11.6 µg/m³
86Moderate
5:00 PM
💨
PM2.5 12 µg/m³
83Moderate
6:00 PM
💨
PM2.5 12 µg/m³
75Moderate
7:00 PM
💨
PM2.5 11.6 µg/m³
63Moderate
8:00 PM
💨
PM2.5 9.8 µg/m³
53Moderate
9:00 PM
💨
PM2.5 9.2 µg/m³
48Good
Next few days
daily max · US EPA AQI
Sun
💨
Moderate · UV High
86