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July 2025

This month, EM highlights a few of the new and ongoing issues that are being addressed and that may result in new guidance or future changes to the Guideline on Air Quality Models.

 


 Inside This Month's Issue

Features

Continued Advancements in Air Quality Modeling
by Anthony J. Schroeder

Establishing Representative PM2.5 Background Concentrations: Addressing Natural and Atypical Events in Support of PSD Permitting
by Scott Adamson

Evaluating and Improving Deterministic Modeling of Near Real-Time Wildfire Emissions Impacts on Ozone and PM2.5 Concentrations
by Jeremiah Johnson and Ralph Morris

An Approach to Incorporate Emissions Variability into AERMOD
by Tanvir R. Khan and Zachery I. Emerson

What Makes a Good Air Dispersion Modeler
by William B. Jones

Also This Month...

Inside the Industry: Inside the Industry: Summer School for the C-Suite: Cultivating the Next Generation through Mentorship
by Alan Agadoni and Dianne Crocker

Message from the President: Putting in the Work!
by Leah Blinn

In Memoriam: Alexander John Sagady (1950–2025) 

EPA Research Highlights

What’s on Tap at A&WMA?


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