Air pollution and idling regulations for motor vehicles | Department of Public Health

City of Philadelphia

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The Department of Public Health maintains rules to reduce air pollution that is produced by motor vehicles. You can help to protect and improve the city’s air quality by reporting air or noise pollution or reporting illegal idling to Air Management Services.

Can’t find the document you need on this page? For additional documents related to air, asbestos, and dust management, please visit Air and Dust.

Name	Description	Released
Air Management Regulation IX PDF	Regulations for controlling emissions from vehicles.	January 9, 1986
Diesel vehicle operator’s guide to idling compliance PDF	This brochure describes the City's rules for idling vehicles, including myths and facts about idling.	December 13, 2024
Diesel idling guidance flyer PDF	This flyer describes Philadelphia's diesel idling law and explains why diesel idling matters.	December 18, 2024