Air Monitoring Network

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A period of extremely frigid temperatures is forecast to impact Connecticut between the afternoon of Saturday, December 21, through Tuesday, December 24. Governor Lamont is activating the state's severe cold weather protocol during this period. To locate a shelter or warming center in Connecticut, call 2-1-1 or visit 211ct.org.

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	PM_2.5	PM₁₀	BC	SO₂	NO₂	NO/NO_y	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

Connecticut Department of Energy & Environmental Protection

Connecticut Air Monitoring Network

Pollutants Measured by Town