Items of Interest

Check out the APTI-Learn Learning 
Management System at You can access the course calendar that includes special courses and workshop offerings as well as access the self-instructional courses. We encourage you to sign-up for the new system and check it out.

Coming Events

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2016 NACT 200 Series - May 24 - 27, 2016

NACT 355: Advanced Inspector Training - July 19-21, 2016

See all training and events 

Recent Emissions Inventory

Update as of September 2015:

MARAMA has posted new CONUS 2.4 Electric Generation Unit (EGU) projections for 2017, 2018, 2023 and 2028.  Files are located here


Mid-Atlantic Diesel Collaborative

logo_madcThe Mid-Atlantic Diesel Collaborative is a partnership between leaders from federal, state, and local government, the private sector, and environmental groups in Delaware, Maryland, Virginia, Pennsylvania, West Virginia and the District of Columbia.   The Collaborative is part of an overall national campaign to reduce diesel emissions.

Current Air Quality offers daily AQI forecasts and real-time AQI conditions for over 300 cities across the US. Visit site >