Connecticut Department of Energy & Environmental Protection

DEEP headquarters at 79 Elm Street in Hartford has partially re-opened to staff and members of the public as of Tuesday, February 3. The DEEP records room has re-opened. The DEEP Central Permit Processing Unit (CPPU) will be open to the public starting on Wednesday, Feb. 4. For updates, click here

Connecticut Air Monitoring Network

Connecticut 2022 Air Monitoring Network Plan
Connecticut 2020 Air Monitoring Network Assessment
Air Monitoring Network and Community Based Monitoring Fact Sheet 

Air Monitoring Network Printable Map

Pollutants Measured by Town

Town

O3

PM2.5

PM10

BC

SO2

NO2

NO/NOy

CO

Bridgeport

 

x

x

 

x

 

 

x

Cornwall

x

x

x

x

x

 

x

x

Danbury

x

x

x

 

 

 

 

East Hartford

x

x

x

x

x

 

x

Greenwich

x

 

 

 

 

 

 

 

Groton

x

x

 

 

 

 

 

 

Hartford

 

x

x

x

 

x

 

x

Madison

x

 

 

 

 

 

 

 

Middletown

x

 

 

 

 

 

 

 

New Haven

x

x

x

x

x

x

x

x

Pomfret (EPA Site)

x

 

 

 

 

 

 

 

Stafford

x

 

 

 

 

 

 

 

Stratford

x

 

 

 

 

 

 

 

Waterbury

 

x

 

 

 

 

 

 

Westport

x

 

 

 

x

 

 

 

 

Content last updated on March 6, 2023