Air

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• Sulfur Dioxide

• Emissions Inventory

• Federal Rulemaking - Archived Comment Letters

• Cornwall Mohawk Mountain

• Adapting To Connecticut's Climate Change

• 2008 Ozone NAAQS Attainment Demonstrations

• Air Quality Index

• EVConnecticut - CT's Path to Clean Vehicle Future

  Connecticut's transition to EVs is an essential strategy toward the state’s commitment to creating cleaner, healthier, and more sustainable communities and achieving our state-wide clean air goals.

• Anti-Idling - Outreach and Education

  Connecticut continues its effort to reduce unnecessary idling and increase awareness of the adverse effects of idling on public health and the environment. Learn more about anti-idling outreach and education.

• Emission Reduction Credits

  Emission Reduction Credits (ERCs) are uncapped trading systems that sources of air emissions earn by reducing emissions below a specified rate. Learn about Continuous Emission Reduction Credits (CERCs), Discrete Emission Reduction Credits (DERCs), and more.

• Emissions Reduction Credit Registry

  List of available NOx Continuous Emission Reduction Credits (CERCs) registered by the State of Connecticut.

• Source Emissions Monitoring

  Learn about DEEP's Source Emissions Monitoring (SEM) group which oversees the stack, CEMS performance testing, and RATA programs. The SEM group works to determine actual pollutant emissions from stationary sources of air pollution and compliance with air pollution limits for both state and delegated federal standards.

• Open Burning - Online Training Program

  Learn about and access the Connecticut Open Burning Training Program which assists municipalities in meeting the certification requirements for Open Burning Officials.

• Air Regulations

  The Abatement of Air Pollution Regulations are available on the Connecticut eRegulation System under Title 22a-174

• Historical Version- Air Pollution Regulations

  This table includes historical regulatory text for regulations amended before July 1, 2017. These documents are provided for historical reference only