PA Emissions Testing by County
Pennsylvania requires an annual safety inspection in all 67 counties. In 23 counties, vehicles also require an OBD-II emissions test. The other 44 counties require safety inspection only.
Safety + Emissions requiredSafety inspection only
Counties requiring emissions testing
Allegheny
Beaver
Bucks
Butler
Centre
Chester
Cumberland
Dauphin
Delaware
Erie
Lackawanna
Lancaster
Lebanon
Lehigh
Luzerne
Lycoming
Mercer
Montgomery
Northampton
Philadelphia
Washington
Westmoreland
York
Need both safety and emissions? Find a station near you that does both.
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