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


APTI 418 - NOx Emissions: Formation & Control - January 27-29, 2015

2015 AERMOD for Non-Modelers PART 1 -  February 11, 2015

2015 AERMOD for Non-Modelers PART 2 -  February 12, 2015



See all training and events 

Recent Emissions Inventory

Update as of August 2014:

MARAMA has posted new CONUS 2.2 Electric Generation Unit (EGU) projections for 2018 and 2020.  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 >