EPA Air · by state
Air-emissions sources in Pennsylvania
- 8,754Facilities
By emissions classification in Pennsylvania
High-priority violations in Pennsylvania
370 sources in Pennsylvania carry a current high-priority Clean Air Act violation.
Counties in Pennsylvania
- Adams County 63
- Allegheny County 1,374
- Armstrong County 79
- Beaver County 95
- Bedford County 37
- Berks County 216
- Blair County 105
- Bradford County 138
- Bucks County 417
- Butler County 187
- Cambria County 106
- Cameron County 15
- Carbon County 30
- Centre County 84
- Chester County 235
- Clarion County 41
- Clearfield County 99
- Clinton County 46
- Columbia County 56
- Crawford County 61
- Cumberland County 145
- Dauphin County 155
- Delaware County 253
- Elk County 61
- Erie County 137
- Fayette County 73
- Forest County 21
- Franklin County 94
- Fulton County 12
- Greene County 131
- Huntingdon County 21
- Indiana County 103
- Jefferson County 64
- Juniata County 15
- Lackawanna County 118
- Lancaster County 251
- Lawrence County 85
- Lebanon County 94
- Lehigh County 149
- Luzerne County 217
- Lycoming County 168
- McKean County 70
- Mercer County 108
- Mifflin County 21
- Monroe County 45
- Montgomery County 474
- Montour County 17
- Northampton County 154
- Northumberland County 107
- Perry County 22
- Philadelphia County 461
- Pike County 13
- Potter County 35
- Schuylkill County 99
- Snyder County 47
- Somerset County 63
- Sullivan County 12
- Susquehanna County 206
- Tioga County 75
- Undetermined County 91
- Union County 38
- Venango County 45
- Warren County 46
- Washington County 223
- Wayne County 27
- Westmoreland County 158
- Wyoming County 47
- York County 199
Industries in Pennsylvania
Sources are grouped by the first industry code on the facility record.
- Repair and maintenance (NAICS 8111) 1,008
- Personal and laundry services (NAICS 8123) 957
- Oil and gas extraction (NAICS 2111) 821
- Motor vehicle and parts dealers (NAICS 4411) 375
- Educational services (NAICS 6111) 338
- Gasoline stations (NAICS 4471) 328
- Mining and quarrying (NAICS 2123) 284
- Personal and laundry services (NAICS 8122) 259
- Mining support (NAICS 2131) 225
- Petroleum and coal products manufacturing (NAICS 3241) 159
- Hospitals (NAICS 6221) 151
- Fabricated metal product manufacturing (NAICS 3328) 122
- Pipeline transportation (NAICS 4862) 120
- Utilities (NAICS 2211) 117
- Plastics and rubber products manufacturing (NAICS 3261) 110
- Merchant wholesalers, durable goods (NAICS 4231) 102
- Fabricated metal product manufacturing (NAICS 3323) 86
- Printing and related support (NAICS 3231) 84
- Primary metal manufacturing (NAICS 3315) 81
- Wood product manufacturing (NAICS 3219) 81
- Merchant wholesalers, nondurable goods (NAICS 4247) 81
- Real estate (NAICS 5311) 78
- Paper manufacturing (NAICS 3222) 74
- Waste management and remediation (NAICS 5622) 74
- Nonmetallic mineral product manufacturing (NAICS 3273) 72
- Nonmetallic mineral product manufacturing (NAICS 3279) 61
- Furniture and related product manufacturing (NAICS 3371) 60
- Utilities (NAICS 2213) 60
- Fabricated metal product manufacturing (NAICS 3329) 58
- Chemical manufacturing (NAICS 3251) 54
- Educational services (NAICS 6113) 52
- Merchant wholesalers, durable goods (NAICS 4239) 51
- Primary metal manufacturing (NAICS 3311) 50
- Miscellaneous manufacturing (NAICS 3399) 44
- Mining and quarrying (NAICS 2121) 43
- Food manufacturing (NAICS 3111) 40
- Justice, public order and safety (NAICS 9221) 40
- Chemical manufacturing (NAICS 3259) 39
- Fabricated metal product manufacturing (NAICS 3321) 39
- Food manufacturing (NAICS 3119) 37
- Primary metal manufacturing (NAICS 3312) 36
- Religious, grantmaking and similar organizations (NAICS 8131) 35
- Machinery manufacturing (NAICS 3339) 35
- Wood product manufacturing (NAICS 3211) 35
- Nonmetallic mineral product manufacturing (NAICS 3271) 33
- Specialty trade contractors (NAICS 2389) 32
- Fabricated metal product manufacturing (NAICS 3324) 32
- Machinery manufacturing (NAICS 3335) 31
- Rental and leasing services (NAICS 5321) 31
- Pipeline transportation (NAICS 4869) 31
- Transit and ground passenger transportation (NAICS 4851) 30
- Primary metal manufacturing (NAICS 3314) 30
- Chemical manufacturing (NAICS 3255) 29
- Utilities (NAICS 2212) 29
- Transportation equipment manufacturing (NAICS 3362) 29
- Motor vehicle and parts dealers (NAICS 4413) 28
- Professional, scientific and technical services (NAICS 5419) 27
- Chemical manufacturing (NAICS 3252) 27
- Nonmetallic mineral product manufacturing (NAICS 3272) 26
- Food manufacturing (NAICS 3118) 25
- Electrical equipment and appliance manufacturing (NAICS 3359) 25
- Chemical manufacturing (NAICS 3254) 25
- Plastics and rubber products manufacturing (NAICS 3262) 24
- Fabricated metal product manufacturing (NAICS 3327) 23
- Beverage and tobacco manufacturing (NAICS 3121) 23
- Fabricated metal product manufacturing (NAICS 3326) 22
- Primary metal manufacturing (NAICS 3313) 22
- Electrical equipment and appliance manufacturing (NAICS 3353) 22
- Machinery manufacturing (NAICS 3331) 21
- Furniture and related product manufacturing (NAICS 3372) 21
- Telecommunications (NAICS 5171) 20
- Computer and electronic product manufacturing (NAICS 3344) 20
- Professional, scientific and technical services (NAICS 5417) 19
- Motor vehicle and parts dealers (NAICS 4412) 19
- Computer and electronic product manufacturing (NAICS 3345) 19
- Warehousing and storage (NAICS 4931) 19
- Food manufacturing (NAICS 3112) 18
- Truck transportation (NAICS 4841) 18
- Merchant wholesalers, nondurable goods (NAICS 4246) 17
- Professional, scientific and technical services (NAICS 5414) 17
Air inspections in Pennsylvania, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 5,287
- 2025 7,277
- 2024 7,215
- 2023 6,551
- 2022 6,724
- 2021 6,954
- 2020 6,491
- 2019 6,635
- 2018 6,336
- 2017 6,410
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| ASSAI ENERGY LLC - KEYSTONE LANDFILL SITE | Major source | No |
| ASSOC SPRING US, LLC /CORRY DIV | Minor source | No |
| ASSOCIATED RUBBER INC/QUAKERTOWN | Minor source | No |
| ASTORIA AUTO REPAIR | Minor source | No |
| ASTRA FOODS INC/UPPER DARBY | Minor source | No |
| ASTRAZENECA PA | Minor source | Yes |
| ASTRO MACH WORKS/ASTRO MACHINE MFG CTR BLDG 1 | Minor source | No |
| AT IND LLC/MONONGAHELA PLT | Minor source | No |
| AT SYSTEMS | Minor source | No |
| AT&T COMMUNICATIONS OF PA LLC/RADNOR TWP | Minor source | No |
| AT&T COMMUNICATIONS OF PENNSYLVANIA, LLC - GRANT ST | Minor source | No |
| AT&T CORP/EARTH STA RD CATAWISSA FAC | Minor source | No |
| AT&T CORPORATION | Minor source | No |
| ATI FLAT ROLLED PROD HOLDINGS LLC/LATROBE | Major source | No |
| ATI FLAT ROLLED PRODUCTS HOLDINGS LLC/VANDERGRIFT | Major source | No |
| ATI POWDER METALS, LLC | Minor source | No |
| ATI PRECISION FINISHING LLC | Minor source | No |
| ATI PRECISION FINISHING/ROCHESTER | Minor source | No |
| ATKINSON MATLS/PALMYRA | Minor source | No |
| ATLANTIC CLEANERS | Minor source | No |
| ATLANTIC EMER SOLUTIONS INC/MORGANTOWN | Minor source | No |
| ATLANTIC METALS | Minor source | No |
| ATLANTIC RETAIL FACILITY (SUN CO) | Minor source | No |
| ATLANTIC SERVICE STATION (SUN CO.) | Minor source | No |
| ATLAS ENERGY RESOURCES LLC/HAMILTON TWP | Minor source | No |
| ATLAS MINERALS & CHEM/MERTZTOWN | Minor source | No |
| ATLAS RESOURCES LLC/BIG SHANTY COMP STA | Minor source | No |
| ATLAS RESOURCES LLC/DENT COMP STA | Minor source | No |
| ATLAS ROOFING CORP/HARRISBURG | Synthetic minor source | No |
| ATOCHEM INC | Minor source | No |
| ATOMIZED MATERIALS CO. INC | Minor source | No |
| AUBREY ALEXANDER TOYOTA | Minor source | No |
| AUBURN QUARRY/ AUBURN TWP | Minor source | No |
| AURORA EQUIP CO/TATAMY | Minor source | No |
| AURORIUM DWG LLC | Minor source | No |
| AUSTIN ASSOC INC/VERMICULITE PLT | Minor source | No |
| AUSTIN CLEANERS | Minor source | No |
| AUSTIN, E. PAD 1 | Synthetic minor source | No |
| AUTO BODY INTENSIVE CARE | Minor source | No |
| AUTO BUS | Minor source | No |
| AUTO DRIVE, INC. | Minor source | No |
| AUTO EXPRESS-MONTGOMERY WARD | Minor source | No |
| AUTO M.D. | Minor source | No |
| AUTO MOTION | Minor source | No |
| AUTO PRO, INC. | Minor source | No |
| AUTO QUEST/PARKER FORD | Minor source | No |
| AUTO RESTORATION EXPERTS INC/PROSPECT PARK BORO | Minor source | No |
| AUTO TECH AUTOMOTIVE CENTER | Minor source | No |
| AUTOBARN | Minor source | No |
| AUTOBAUN AUTO | Minor source | No |
| AUTOCARE | Minor source | No |
| AUTOMAX | Minor source | No |
| AUTOMOTIVE TECHNOLOGIES | Minor source | No |
| AUTONEUM NORTH AMER INC/BLOOMSBURG PLT | Synthetic minor source | No |
| AVALON CLEANERS | Minor source | No |
| AVELLINO'S | Minor source | No |
| AVERY DENNISON CORP/QUAKERTOWN | Major source | No |
| AVERY DENNISON PERFORMANCE POLYMERS/MILL HALL PLT | Minor source | No |
| AVIENT CORPORATION/BETHLEHEM | Minor source | No |
| AVIS RENTAL CAR SYSTEM, INC. | Minor source | No |
| AVONWORTH ELEMENTARY SCHOOL | Minor source | No |
| AVONWORTH HIGH SCHOOL | Minor source | No |
| AW MCNABB LLC | Minor source | No |
| AWARDS CLEANERS | Minor source | No |
| AXALTA COATING SYSTEMS | Synthetic minor source | No |
| AZCON SCRAP CORPORATION | Minor source | No |
| B & B PERFORMANCE | Minor source | No |
| B & E MOTORS | Minor source | No |
| B & J EXCAV INC/ PRESERVE AT PROVIDENCE/ UPR PROVIDENCE TWP | Minor source | No |
| B & J GROUP INC/MORRISVILLE | Synthetic minor source | No |
| B & K EQUIPMENT | Minor source | No |
| B & L CHEVY | Minor source | No |
| B & L DODGE | Minor source | No |
| B & M SPECIALTIES | Minor source | No |
| B & S AUTO BODY INC/TELFORD | Minor source | No |
| B & T AUTO BODY SHOP | Minor source | No |
| B BLAIR CORP/IVYLAND FAC | Synthetic minor source | No |
| B BRAUN MED INC/BETHLEHEM INJECTION MOLDING | Minor source | No |
| B BRAUN US DEVICE MFG LLC/ALLENTOWN | Synthetic minor source | No |
| B FOSTER & CO INC/WAYNESBORO | Minor source | No |
| B Z MOTORS INC | Minor source | No |
| B22 WELL PAD | Minor source | No |
| B34 WELL PAD | Minor source | No |
| B37 WELLPAD | Minor source | No |
| BABB, INC. | Minor source | No |
| BABCOCK LUMBER CO/ST MARYS | Minor source | No |
| BABY SOFT CLNR/HILLTOWN TWP | Minor source | No |
| BACHMAN AUTO REPAIR | Minor source | No |
| BADELLS COLLISION OF MALVERN LLC/EAST WHITELAND TWP | Minor source | No |
| BADELLS COLLISION/ASTON TWP | Minor source | No |
| BAE SYS LAND & ARMAMENTS LP/YORK | Major source | No |
| BAEDERWOOD DELUXE CLNR/JENKINTOWN | Minor source | No |
| BAIERL CHEVROLET/WEXFORD | Minor source | No |
| BAIERL SUBARU/MCCANDLESS | Minor source | No |
| BAILLIE LUMBER CO/TITUSVILLE YARD | Minor source | No |
| BAILLIE TRUST WELL PAD | Minor source | No |
| BAIRD UNIT | Minor source | No |
| BAKER PETROLITE LLC/EDDYSTONE | Minor source | No |
| BAKERY FEEDS/HONEY BROOK | Synthetic minor source | No |
| BALA CLNR/LOWER MERION TWP | Minor source | No |
Figures from EPA’s ICIS-AIR download.