EPA Air · by state
Air-emissions sources in California
- 2,144Facilities
By emissions classification in California
High-priority violations in California
238 sources in California carry a current high-priority Clean Air Act violation.
Counties in California
- Alameda County 87
- Amador County 5
- Butte County 7
- Colusa County 7
- Contra Costa County 81
- El Dorado County 8
- Fresno County 55
- Glenn County 4
- Humboldt County 9
- Imperial County 41
- Kern County 164
- Kings County 23
- Lassen County 3
- Los Angeles County 390
- Madera County 22
- Marin County 5
- Mendocino County 3
- Merced County 23
- Modoc County 4
- Monterey County 14
- Napa County 5
- Orange County 110
- Placer County 42
- Riverside County 65
- Sacramento County 97
- San Bernardino County 123
- San Diego County 126
- San Francisco County 36
- San Joaquin County 74
- San Luis Obispo County 16
- San Mateo County 34
- Santa Barbara County 136
- Santa Clara County 51
- Santa Cruz County 5
- Shasta County 22
- Solano County 31
- Sonoma County 23
- Stanislaus County 40
- Sutter County 8
- Tehama County 11
- Tulare County 19
- Tuolumne County 4
- Undetermined County 32
- Ventura County 41
- Yolo County 16
- Yuba County 8
Industries in California
Sources are grouped by the first industry code on the facility record.
- NAICS 9999 343
- Oil and gas extraction (NAICS 2111) 216
- Utilities (NAICS 2211) 209
- Waste management and remediation (NAICS 5622) 75
- Petroleum and coal products manufacturing (NAICS 3241) 63
- Repair and maintenance (NAICS 8111) 52
- Fabricated metal product manufacturing (NAICS 3328) 45
- Merchant wholesalers, nondurable goods (NAICS 4247) 39
- Utilities (NAICS 2213) 39
- Hospitals (NAICS 6221) 35
- Plastics and rubber products manufacturing (NAICS 3261) 35
- Beverage and tobacco manufacturing (NAICS 3121) 32
- Printing and related support (NAICS 3231) 29
- Miscellaneous manufacturing (NAICS 3399) 28
- Paper manufacturing (NAICS 3222) 26
- Transportation equipment manufacturing (NAICS 3364) 24
- Food manufacturing (NAICS 3114) 23
- Waste management and remediation (NAICS 5629) 23
- Pipeline transportation (NAICS 4861) 22
- Pipeline transportation (NAICS 4862) 21
- Food manufacturing (NAICS 3118) 21
- National security and international affairs (NAICS 9281) 21
- Mining and quarrying (NAICS 2123) 21
- Wood product manufacturing (NAICS 3219) 19
- Nonmetallic mineral product manufacturing (NAICS 3273) 18
- Fabricated metal product manufacturing (NAICS 3324) 18
- Specialty trade contractors (NAICS 2389) 17
- Educational services (NAICS 6113) 16
- Chemical manufacturing (NAICS 3251) 15
- Furniture and related product manufacturing (NAICS 3372) 15
- Chemical manufacturing (NAICS 3255) 14
- Computer and electronic product manufacturing (NAICS 3344) 13
- Food manufacturing (NAICS 3119) 13
- Chemical manufacturing (NAICS 3252) 13
- Justice, public order and safety (NAICS 9221) 13
- Chemical manufacturing (NAICS 3254) 12
- Transportation equipment manufacturing (NAICS 3366) 12
- Primary metal manufacturing (NAICS 3315) 12
- Primary metal manufacturing (NAICS 3313) 11
- Agriculture and forestry support (NAICS 1151) 11
- Warehousing and storage (NAICS 4931) 11
- Furniture and related product manufacturing (NAICS 3371) 11
- Fishing, hunting and trapping (NAICS 1141) 11
- Nonmetallic mineral product manufacturing (NAICS 3272) 10
- Food manufacturing (NAICS 3115) 10
- Fabricated metal product manufacturing (NAICS 3323) 10
- Pipeline transportation (NAICS 4869) 10
- Miscellaneous manufacturing (NAICS 3391) 10
- NAICS 4543 10
- Motor vehicle and parts dealers (NAICS 4411) 10
- Personal and laundry services (NAICS 8123) 9
- Nonmetallic mineral product manufacturing (NAICS 3271) 9
- Space research and technology (NAICS 9271) 9
- Fabricated metal product manufacturing (NAICS 3321) 9
- Building construction (NAICS 2361) 8
- Building construction (NAICS 2362) 8
- Electrical equipment and appliance manufacturing (NAICS 3359) 8
- Chemical manufacturing (NAICS 3253) 8
- Transportation equipment manufacturing (NAICS 3362) 8
- Machinery manufacturing (NAICS 3333) 7
- Fabricated metal product manufacturing (NAICS 3327) 7
- Computer and electronic product manufacturing (NAICS 3345) 7
- Machinery manufacturing (NAICS 3339) 7
- Nonmetallic mineral product manufacturing (NAICS 3279) 7
- Executive and legislative government (NAICS 9211) 6
- Chemical manufacturing (NAICS 3259) 6
- Fabricated metal product manufacturing (NAICS 3329) 6
- Machinery manufacturing (NAICS 3335) 6
- NAICS 4521 6
- Nonmetallic mineral product manufacturing (NAICS 3274) 6
- Plastics and rubber products manufacturing (NAICS 3262) 6
- Administration of environmental programs (NAICS 9241) 6
- Textile mills (NAICS 3133) 5
- Crop production (NAICS 1113) 5
- Food manufacturing (NAICS 3112) 5
- Waste management and remediation (NAICS 5621) 5
- Support activities for transportation (NAICS 4881) 5
- Electrical equipment and appliance manufacturing (NAICS 3353) 5
- Crop production (NAICS 1112) 4
- Mining and quarrying (NAICS 2122) 4
Air inspections in California, 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 1,920
- 2025 2,487
- 2024 2,773
- 2023 2,852
- 2022 2,071
- 2021 2,109
- 2020 2,180
- 2019 2,688
- 2018 1,888
- 2017 2,222
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| AMADA AMERICA, INC. | Minor source | No |
| AMERESCO BUTTE COUNTY LLC | Minor source | No |
| AMERESCO CHIQUITA ENERGY LLC | Major source | No |
| AMERESCO FORWARD, LLC | Synthetic minor source | No |
| AMERESCO SANTA CRUZ ENERGY LLC | Major source | No |
| AMERICAN AIRLINES INC | Major source | No |
| AMERICAN AUTO DISMANTLERS | Minor source | No |
| AMERICAN AVENUE LANDFILL | Major source | Yes |
| AMERICAN DOCK BOX | Major source | No |
| AMERICAN EAGLE WHEEL CORPORATION | Minor source | No |
| AMERICAN MODULAR SYSTEMS | Synthetic minor source | No |
| AMERICAN REMEDIAL TECHNOLOGIES INC | Minor source | No |
| AMERICAN RENEWABLE POWER | Major source | No |
| AMERICAN SECURITY PRODUCTS | Major source | No |
| AMERICH CORP | Major source | No |
| AMPERSAND CHOWCHILLA BIOMASS LLC | Synthetic minor source | Yes |
| AMPINE: A DIVISION OF TIMBER PRODUCTS COMPANY | Major source | No |
| AMREP INC | Minor source | No |
| ANADITE INC | Minor source | No |
| ANAHEIM PLATING | Minor source | No |
| ANDERSON APPLIANCES | Minor source | No |
| ANDERSON LANDFILL | Major source | No |
| ANDERSON PUMP COMPANY | Synthetic minor source | No |
| ANEMOSTAT WEST, A MESTEK CO | Major source | No |
| ANHEUSER-BUSCH LLC., (LA BREWERY) | Major source | No |
| ANHEUSER-BUSCH, INC | Major source | Yes |
| ANITA AUTO DISMANTLER | Minor source | No |
| ANTELOPE VALLEY RECYCLING & DISPOSAL | Major source | No |
| ANTHONY, INC. | Major source | No |
| ANTHONY'S BMW | Minor source | No |
| ANYTIME APPLIANCE | Minor source | No |
| AOC, LLC | Major source | No |
| APARTMENT COMPLEX | Minor source | No |
| APPLIANCE DISTRIBUTORS | Minor source | No |
| APPLIED COATINGS AND LININGS INC | Minor source | No |
| APPLIED ENERGY-32ND ST | Major source | No |
| APPLIED ENERGY-NORIS | Major source | No |
| APPLIED ENERGY-NTC | Major source | No |
| ARCADIA CHAIR CO | Minor source | No |
| ARCHITECTURAL WOODWORKING CO | Major source | No |
| ARCO PRODUCTS-SAN DIEGO TERMINAL | Minor source | No |
| ARCOSA LIGHTWEIGHT, FRAZIER PARK (1603) | Major source | Yes |
| ARDAGH GLASS INC | Major source | Yes |
| ARDAGH METAL BEVERAGE USA INC. | Major source | Yes |
| ARLON GRAPHICS LLC | Major source | No |
| ARMACEL ARMOR | Minor source | No |
| ARROWHEAD BRASS & PLUMBING | Minor source | No |
| ARROWHEAD REGIONAL MEDICAL CENTER | Major source | Yes |
| ASIAN AUTO RECYCLING | Minor source | No |
| ASSOCIATED AEROSPACE ACTIVITIES | Minor source | No |
| ASTRO ALUMINUM TREATING CO INC | Minor source | No |
| ASV WINES INC | Major source | Yes |
| ATHENS SERVICES | Major source | No |
| ATLANTA AUTO DISMANTLER | Minor source | No |
| ATLANTIC OIL CO | Synthetic minor source | Yes |
| ATMOSPHERIC ANALYSIS & CONSULTING, INC. | Minor source | No |
| AUGUSTIN AUTO WORK | Minor source | No |
| AUTO BODY PARTS | Minor source | No |
| AUTO DISMANTLING SPECIALIST | Minor source | No |
| AUTO GATORS | Minor source | No |
| AUTOZE AUTO PARTS | Minor source | No |
| AVALON SHUTTERS INC | Minor source | No |
| AVENAL REGIONAL LANDFILL | Major source | No |
| AZUSA LAND RECLAMATION | Major source | No |
| B BRAUN MEDICAL | Major source | No |
| B&B ENAMELING INC | Minor source | No |
| BADGER CREEK LIMITED | Major source | No |
| BAE SYSTEMS | Minor source | Yes |
| BAE SYSTEMS SDSR | Synthetic minor source | No |
| BAHIA AUTO SALES | Minor source | No |
| BAKER COMMODITIES INC | Major source | No |
| BAKER COMMODITIES INC | Major source | Yes |
| BAKER PETROLITE CORPORATION | Minor source | No |
| BAKERSFIELD CITY WASTEWATER #2 | Synthetic minor source | No |
| BAKERSFIELD CITY WASTEWATER #3 | Major source | No |
| BAKERSFIELD FIRE DEPT | Minor source | No |
| BAKERSFIELD METROPOLITAN LANDFILL @ BENA | Major source | No |
| BALBOA AUTOMOTIVE SERVICE | Minor source | No |
| BALL METAL BEVERAGE CONTAINER CORP | Major source | Yes |
| BALL WESTERN CAN COMPANY | Major source | No |
| BAPTIST CHURCH - COMPLAINT | Minor source | No |
| BARBER DEALER GROUP | Minor source | No |
| BARBOSA CABINETS INC | Major source | Yes |
| BARREL TEN QUARTER CIRCLE LAND CO INC | Major source | No |
| BARRY AVE PLATING CO INC | Major source | No |
| BAVARIAN AUTO RECYCLING | Minor source | No |
| BAXALTA US INC | Major source | No |
| BAXTER HEALTHCARE CORP. | Minor source | No |
| BAY DISTRIBUTOR CO., INC | Minor source | No |
| BEACH MANUFACTURING | Minor source | No |
| BEAR CREEK WINERY | Major source | No |
| BEAR MOUNTAIN INC | Minor source | No |
| BEAR MOUNTAIN LTD | Major source | No |
| BECKER SPECIALTY CORP | Major source | No |
| BEJAC CORP | Minor source | No |
| BELL INDUSTRIES | Minor source | No |
| BELLAIRE OIL CO | Major source | No |
| BELLANAVE CORPORATION | Major source | No |
| BERKELEY ICELAND | Minor source | No |
| BERKELEY INT'L CAPITAL CORP | Minor source | No |
Figures from EPA’s ICIS-AIR download.