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 µg/m³
WHO guideline 15
PM10
10.6 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
8:00 AM
💨
PM2.5 7 µg/m³
32Good
9:00 AM
💨
PM2.5 7.3 µg/m³
34Good
10:00 AM
💨
PM2.5 6.8 µg/m³
36Good
11:00 AM
💨
PM2.5 6.5 µg/m³
38Good
12:00 PM
💨
PM2.5 6.7 µg/m³
39Good
1:00 PM
💨
PM2.5 6.7 µg/m³
40Good
2:00 PM
💨
PM2.5 6.5 µg/m³
40Good
3:00 PM
💨
PM2.5 6 µg/m³
41Good
4:00 PM
💨
PM2.5 5.8 µg/m³
41Good
5:00 PM
💨
PM2.5 5.6 µg/m³
41Good
6:00 PM
💨
PM2.5 5.5 µg/m³
41Good
7:00 PM
💨
PM2.5 5.4 µg/m³
41Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV Very high
98
Thu
💨
Unhealthy for Sensitive Groups · UV High
128
Fri
💨
Unhealthy for Sensitive Groups · UV Low
147
Sat
💨
Moderate · UV Moderate
90