-
June 21, 2025 DEP Declares Code Orange Air Quality Action Day for Ozone for Monday June 23, 2025, in Eastern and Central Pennsylvania
-
June 20, 2025 DEP Declares Code Orange Air Quality Action Day for Ozone for Sunday June 22, 2025, in the Philadelphia Area
-
June 20, 2025 DEP Declares Code Orange Air Quality Action Days for Ozone for Sunday June 22, and Monday June 23, 2025, in Western Pennsylvania
-
June 14, 2025 DEP Declares Code Orange Air Quality Action Day for Particulate Matter for Saturday, June 14, 2025
Department of Environmental Protection
Our mission is to protect Pennsylvania’s air, land, and water resources while ensuring the health and safety of all residents and visitors to the commonwealth.