pa-56-25-874: Pennsylvania's 2026 Annual Ambient Air Monitoring Network Plan

Summary

The Department of Environmental Protection (Department) is seeking public comment on Pennsylvania's 2026 Annual Ambient Air Monitoring Network Plan (Plan). The Plan has been updated to address changes that have been made to the Commonwealth's ambient air monitoring network and to identify changes that are anticipated to occur in the remainder of 2026 and in 2027. On October 17, 2006, the United States Environmental Protection Agency (EPA) promulgated final amendments to the National ambient air monitoring requirements for criteria pollutants at 40 CFR Parts 53 and 58 (relating to ambient air monitoring reference and equivalent methods; and ambient air quality surveillance). See 71 FR 61236 (October 17, 2006). The EPA's 2006 final rule requires state and local agencies to enhance air monitoring to ''improve public health protection and better inform the public about air quality in their communities.'' Under 40 CFR 58.10 (relating to annual monitoring network plan and periodic network assessment), air quality state and local monitoring agencies must adopt an annual ambient air monitoring network plan and make it available for public inspection for at least 30 days prior to final submission to the EPA Regional Administrator. The Plan must include a statement of purpose for each monitor and evidence that siting and operation of each monitor meets Federal requirements. The EPA may also provide an opportunity for review and comment prior to approving or disapproving a state's...

The agency’s own summary, as published.