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Pennsylvania emissions inspection stations

Drive Clean PA lists 6,800 emissions inspection stations in Pennsylvania, dated Oct 1, 2026. The most are in Allegheny County (721), Philadelphia County (560), Montgomery County (508).

Who needs a test, how often and what it costs: Pennsylvania emissions testing rules.

emissions inspection stations listed
6,800emissions inspection stations listed
offer the OBD / gas cap test
5,798offer the OBD / gas cap test
offer the visual / gas cap test
3,483offer the visual / gas cap test
offer the tailpipe / gas cap test
104offer the tailpipe / gas cap test

Which tests a station offers

Test types
“O: OBD/Gas Cap Test V: Visual/Gas Cap Test T: Tailpipe/Gas Cap Test”

Drive Clean PA: Bucks County stations and test types (PDF), checked Oct 7, 2026

Stations by county

Click a column to sort. Each county page lists every station there.

CountyStationsOBD / gas capVisual / gas capTailpipe / gas capTowns
Allegheny County7217212104079
Philadelphia County56055918052
Montgomery County5085081261475
Lancaster County439439249051
Bucks County431431108563
York County370369208037
Chester County359359971435
Berks County331329217040
Delaware County30330352753
Westmoreland County29029098652
Lehigh County270268190024
Luzerne County25936259052
Northampton County213212139024
Erie County20135201015
Dauphin County200200115017
Cumberland County189189120013
Lackawanna County18823188031
Washington County15415436636
Lebanon County14114191012
Blair County12912129012
Cambria County12024120028
Lycoming County11832118016
Beaver County11711743723
Centre County983498018
Mercer County911391019

Pennsylvania rules and costs Official locator