Regulation & law · 26/10/2001Updated: 10/17/2026 · 1 min read

EPA Approves Pennsylvania's Air Quality Plans for Philadelphia Area

The Environmental Protection Agency (EPA) is approving Pennsylvania's State Implementation Plans (SIPs) for reducing air pollution in the Philadelphia-Wilmington-Trenton area, which includes Bucks, Chester, Delaware, Montgomery, and Philadelphia counties. The approved plans aim to decrease volatile organic compounds (VOCs) and oxides of nitrogen (NOx) emissions in the region.