Air quality in South Dennis
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
8.4 µg/m³
WHO guideline 15
PM10
10.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
7:00 PM
💨
PM2.5 8.4 µg/m³
60Moderate
8:00 PM
💨
PM2.5 9.6 µg/m³
56Moderate
9:00 PM
💨
PM2.5 10.1 µg/m³
53Moderate
10:00 PM
💨
PM2.5 10.3 µg/m³
50Good
11:00 PM
💨
PM2.5 10.7 µg/m³
48Good
12:00 AM
💨
PM2.5 10.7 µg/m³
45Good
1:00 AM
💨
PM2.5 9.7 µg/m³
42Good
2:00 AM
💨
PM2.5 8.6 µg/m³
38Good
3:00 AM
💨
PM2.5 7.6 µg/m³
34Good
4:00 AM
💨
PM2.5 6.8 µg/m³
29Good
5:00 AM
💨
PM2.5 6.3 µg/m³
26Good
6:00 AM
💨
PM2.5 6 µg/m³
25Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV Moderate
61
Fri
💨
Moderate · UV High
83
Sat
💨
Good · UV Moderate
40
Sun
💨
Good · UV Moderate
35