Air quality in New Haven
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
10 µg/m³
WHO guideline 15
PM10
10.2 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
3:00 PM
💨
PM2.5 10 µg/m³
98Moderate
4:00 PM
💨
PM2.5 10.5 µg/m³
98Moderate
5:00 PM
💨
PM2.5 12 µg/m³
95Moderate
6:00 PM
💨
PM2.5 11 µg/m³
86Moderate
7:00 PM
💨
PM2.5 9.8 µg/m³
75Moderate
8:00 PM
💨
PM2.5 9.8 µg/m³
60Moderate
9:00 PM
💨
PM2.5 9.2 µg/m³
48Good
10:00 PM
💨
PM2.5 8.2 µg/m³
42Good
11:00 PM
💨
PM2.5 8.3 µg/m³
37Good
12:00 AM
💨
PM2.5 9.1 µg/m³
38Good
1:00 AM
💨
PM2.5 9.7 µg/m³
40Good
2:00 AM
💨
PM2.5 9.7 µg/m³
40Good
Next few days
daily max · US EPA AQI
Wed
💨
Moderate · UV High
98
Sat
💨
Moderate · UV High
56