TCEQ is holding an informal comment period from July 30, 2024, through August 30, 2024, to solicit information relevant to the development of a designations submission for the 2024 primary annual fine particulate matter NAAQS of 9.0 micrograms per cubic meter. For more information see the following resources:
Potential State Designations for Informal Public Comment (PDF)
Map of Texas Preliminary Fine Particulate Matter Design Values (PDF)
TCEQ’s Air Pollution from Particulate Matter webpage.
