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

Ozone Exceedances

The  Deparment of Energy and Environmental Protection produces in-depth analyses of each ozone exceedance. These analyses are evaluated individually and together with other information to determine the best methods for improving air quality for the citizens of Connecticut.

analysis tools2016 Ozone Exceedance Analyses
Content last updated October 17, 2016