Connecticut
 
Data courtesy of:
 

 
AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action Day
 
State Air Quality Resources
American Lung Association (ALA) of Connecticut
Connecticut Air Quality Index (AQI)
Connecticut DEEP Air Management
Connecticut Dept. of Energy and Environmental Protection (DEEP)
Connecticut Ozone Action Day
Click on the city name for more detailed information.

printable summary
FORECAST CURRENT
AQI
Sat
Jul 30
Sun
Jul 31
Bridgeport
71 
50 
34 
Danbury
44 
42 
34 
Greenwich
58 
50 
20 
Hartford
46 
50 
23 
Madison
64 
39 
 
Middletown
50 
50 
19 
New Haven
54 
41 
21 
New London-Groton
51 
38 
38 
Stafford
46 
36 
19 
Stratford
71 
50 
34 
Torrington
45 
37 
28 
Westport
74 
50 
19 
Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the Hazardous category. Additional information on reducing exposure to extremely high levels of particle pollution is available here.