Find information about the General Election on Tuesday, November 5, 2024.
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The Air Quality Program publishes annual general state-of-the-air reports as well as Emission Inventory reports. As annual reports are being developed, quarterly reports may be available. Additional studies on unique air quality issues or for specific locations and/or sources are completed as needed.
2025 Air Monitoring Network Plan(PDF, 11MB)
View the 2023 Air Quality Review Storymap
2021 Air Quality Review: The Process of Progress(PDF, 14MB)
To learn more about the PM2.5 Redesignation Request and Maintenance Plan, visit the Air Quality Regulations and SIPs page and see bullet 100 SIP under the "Locally Approved SIP Revisions submitted to PA Department of Environmental Protection" tab.
To learn more about the SO2 Redesignation Request and Maintenance Plan, visit the Air Quality Regulations and SIPs page and see bullet 101 SIP under the "Locally Approved SIP Revisions submitted to PA Department of Environmental Protection" tab.