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Sensitivity of Air Quality to Vehicle Ammonia Emissions in the United States

Published by U.S. EPA Office of Research and Development (ORD) | U.S. Environmental Protection Agency | Catalog Last Checked: August 03, 2026 at 12:50 AM | Dataset Last Updated: June 16, 2024
These data are described in the associated publication and consist of a 2017 model simulation of EPA’s Community Multiscale Air Quality (CMAQ) model version 5.3.2 with updated mobile NH3 emission factors for diesel and gasoline vehicles. CMAQ model results are evaluated against AMoN and AQS monitoring networks and CrIS satellite retrievals. This dataset is associated with the following publication: Toro Vergara, C., D. Sonntag`, J. Bash, G. Burke, B. Murphy, K. Seltzer, H. Simon, M. Shephard, and K. Cady-Pereira. Sensitivity of Air Quality to Vehicle Ammonia Emissions in the United States. ATMOSPHERIC ENVIRONMENT. Elsevier B.V., Amsterdam, NETHERLANDS, 327: 120484, (2024).

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  • https://www.epa.gov/cmaq/equates#how_to_download_equates_data

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