Air quality in Hamden
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
12.2 µg/m³
WHO guideline 15
PM10
12.5 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 AM
💨
PM2.5 12.2 µg/m³
51Moderate
4:00 AM
💨
PM2.5 10.9 µg/m³
45Good
5:00 AM
💨
PM2.5 9.4 µg/m³
39Good
6:00 AM
💨
PM2.5 7.9 µg/m³
33Good
7:00 AM
💨
PM2.5 6.8 µg/m³
28Good
8:00 AM
💨
PM2.5 6.8 µg/m³
28Good
9:00 AM
💨
PM2.5 6.9 µg/m³
31Good
10:00 AM
💨
PM2.5 5.9 µg/m³
43Good
11:00 AM
💨
PM2.5 6.8 µg/m³
56Moderate
12:00 PM
💨
PM2.5 7.4 µg/m³
75Moderate
1:00 PM
💨
PM2.5 8.2 µg/m³
86Moderate
2:00 PM
💨
PM2.5 8.8 µg/m³
98Moderate
Next few days
daily max · US EPA AQI
Wed
💨
Unhealthy for Sensitive Groups · UV High
147
Thu
💨
Moderate · UV Moderate
78
Fri
💨
Moderate · UV High
100
Sat
💨
Moderate · UV Moderate
53
Sun
💨
Good · UV Moderate
36