EPA: Proposed Rule Protects Phoenix-Mesa Air Quality Status Despite Ozone Violation
November 20, 2025
November 20, 2025
WASHINGTON, Nov. 20 (TNSFR) -- The U.S. Environmental Protection Agency proposed a rule to determine that the Phoenix-Mesa nonattainment area would have met the 2015 ozone National Ambient Air Quality Standards (NAAQS) by the Aug. 3, 2024, but for emissions originating from outside the U.S.
This proposed action fulfills the EPA's statutory obligation under the Clean Air Act (CAA) to assess whether the area attained the standards by the deadline. If the EPA finalizes this propos . . .
This proposed action fulfills the EPA's statutory obligation under the Clean Air Act (CAA) to assess whether the area attained the standards by the deadline. If the EPA finalizes this propos . . .