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February 18, 2026 DEP Declares Code Orange Air Quality Action Day for Particulate Matter for Susquehanna Valley Region for February 19, 2026
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February 17, 2026 DEP Declares Code Orange Air Quality Action Day for Particulate Matter for Susquehanna Valley, Lehigh Valley, and Southeastern Pennsylvania Regions for Wednesday, February 18, 2026
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February 16, 2026 DEP Declares Code Orange Air Quality Action Day for Particulate Matter for Susquehanna Valley Region for February 17, 2026
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February 15, 2026 DEP Declares Code Orange Air Quality Action Day for Particulate Matter for Susquehanna Valley, Lehigh Valley, and Southeastern Pennsylvania Regions for Monday, February 16, 2026
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.