Air quality in Hartford
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
7.1 µg/m³
WHO guideline 15
PM10
7.3 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
11:00 AM
💨
PM2.5 7.1 µg/m³
66Moderate
12:00 PM
💨
PM2.5 6.5 µg/m³
75Moderate
1:00 PM
💨
PM2.5 6 µg/m³
76Moderate
2:00 PM
💨
PM2.5 5.5 µg/m³
75Moderate
3:00 PM
💨
PM2.5 5.3 µg/m³
68Moderate
4:00 PM
💨
PM2.5 5.3 µg/m³
60Moderate
5:00 PM
💨
PM2.5 4.9 µg/m³
51Moderate
6:00 PM
💨
PM2.5 4.7 µg/m³
48Good
7:00 PM
💨
PM2.5 4.1 µg/m³
48Good
8:00 PM
💨
PM2.5 3.4 µg/m³
50Good
9:00 PM
💨
PM2.5 2.6 µg/m³
49Good
10:00 PM
💨
PM2.5 1.6 µg/m³
47Good
Next few days
daily max · US EPA AQI
Thu
💨
Moderate · UV High
76
Mon
💨
Good · UV Moderate
43