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
Wed
Sep 28
Thu
Sep 29
Bridgeport
32 
31 
32 
Danbury
32 
31 
34 
Greenwich
38 
37 
22 
Hartford
37 
36 
45 
Madison
33 
32 
 
Middletown
34 
33 
22 
New Haven
27 
28 
31 
New London-Groton
32 
31 
22 
Stafford
27 
26 
23 
Stratford
32 
31 
32 
Torrington
26 
25 
27 
Westport
33 
32 
22 
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.