EPA Air · by county
Air-emissions sources in Cook County, Illinois
- 4,231Facilities
Every stationary source in Cook County, Illinois that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in Cook County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
- Minor source 4,043
- Major source 80
- Synthetic minor source 72
Inspections in Cook County, 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 — inspections 80
- 2025 — inspections 167
- 2024 — inspections 161
- 2023 — inspections 128
- 2022 — inspections 154
- 2021 — inspections 212
- 2020 — inspections 135
- 2019 — inspections 96
- 2018 — inspections 93
- 2017 — inspections 141
Other counties in Illinois
Every county in the state with at least three sources on file.
- Bureau County 63
- Calhoun County 8
- Carroll County 52
- Cass County 30
- Champaign County 266
- Christian County 68
- Clark County 38
- Clay County 50
- Clinton County 79
- Coles County 99
- Crawford County 42
- Cumberland County 17
- De Witt County 43
- DeKalb County 107
- Douglas County 50
- DuPage County 918
- Edgar County 52
- Edwards County 16
- Effingham County 99
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| NICOR GAS | Minor source | No |
| NICOR GAS | Minor source | No |
| NICOR GAS | Minor source | No |
| NIEMANNS AUTOMOTIVE INC | Minor source | No |
| NILES MARATHON SERVICE INC | Minor source | No |
| NILES QUALITY AUTO REPAIR INC DBA MG ELITE MOTORS | Minor source | No |
| NILES QUIK SHOP | Minor source | No |
| NILES SHELL | Minor source | No |
| NIPPON PAINT AUTOMOTIVE AMERICAS INC | Major source | No |
| NOBERT PLATING CO | Minor source | No |
| NOBERT PLATING CO | Minor source | No |
| NOGA FOODS INC | Minor source | No |
| NOKIA SIEMENS NETWORKS US LLC | Minor source | No |
| NOOR GROUP INC DBA MY MART CITGO | Minor source | No |
| NOOR MART INC BP | Minor source | No |
| NOP HB BUILDING LLC | Minor source | No |
| NORCO CLEANERS INC | Minor source | No |
| NORGETOWN CLEANERS | Minor source | No |
| NORMAN'S CLEANERS | Minor source | No |
| NORMANS CLEANERS | Minor source | No |
| NORRIS AUTO REPAIR | Minor source | No |
| NORTH & ELSTON AMOCO | Minor source | No |
| NORTH & HARLEM | Minor source | No |
| NORTH & LAOMIE AMOCO | Minor source | No |
| NORTH AMERICA STEVEDORING CO (NASCO) | Minor source | No |
| NORTH AMERICAN ELECTROLESS NICKEL INC | Minor source | No |
| NORTH AMERICAN SALT CO | Minor source | No |
| NORTH AMERICAN STEVEDORING CO (FORMERLY CERES) | Minor source | No |
| NORTH AMERICAN WAREHOUSING CO | Minor source | No |
| NORTH RIVERSIDE CLEANERS | Minor source | No |
| NORTH RIVERSIDE SVC | Minor source | No |
| NORTH SHORE AUTO REBUILDERS INC | Minor source | No |
| NORTH SHORE COUNTRY CLUB | Minor source | No |
| NORTH SHORE CREMATION CARE LLC | Minor source | No |
| NORTH STAR FEEDS LLC | Minor source | No |
| NORTH STAR V INC PERRUSO CLEANERS | Minor source | No |
| NORTH SUBURBAN CLEANERS | Minor source | No |
| NORTHBROOK VILLAGE OF PUBLIC WORKS CTR | Minor source | No |
| NORTHBROOK WATER UTILITY | Minor source | No |
| NORTHBROOK WATER UTILITY | Minor source | No |
| NORTHEASTERN ILLINOIS UNIVERSITY | Minor source | No |
| NORTHERN FRAME & AUTO INC | Minor source | No |
| NORTHERN TRUST CO | Minor source | No |
| NORTHFIELD AUTO CLINIC | Minor source | No |
| NORTHFIELD BLOCK CO | Minor source | No |
| NORTHFIELD VILLAGE HALL & FIRE DEPT | Minor source | No |
| NORTHLAKE PETROLEUM CORP | Minor source | No |
| NORTHLAKE QUICK SHOP BP | Minor source | No |
| NORTHROP GRUMMAN SYSTEMS CORP | Minor source | No |
| NORTHROP GRUMMAN SYSTEMS CORP | Minor source | No |
| NORTHSHORE UNIV HEALTH SYSTEM SKOKIE HOSP | Minor source | No |
| NORTHWEST AUTO WASH | Minor source | No |
| NORTHWEST COMMUNITY HOSPITAL | Minor source | No |
| NORTHWEST MOSQUITO ABATEMENT DIST | Minor source | No |
| NORTHWEST TRUCKS INC | No | |
| NORTHWEST WATER COMMISSION | Minor source | No |
| NORTHWESTERN MEMORIAL HOSPITAL | Major source | No |
| NORTHWESTERN UNIVERSITY | Major source | No |
| NORTHWESTERN UNIVERSITY CHICAGO CAMPUS | Major source | No |
| NORWOOD CLEANERS | Minor source | No |
| NOTRAX DBA SUPERIOR MFG GROUP | Minor source | No |
| NOVA CHROME INC | Minor source | No |
| NSI ELECTRICAL | Minor source | No |
| NTS TRAILOR SERVICES | Minor source | No |
| NU-LIFE AUTO BODY SHOP | Minor source | No |
| NUANCE SOLUTIONS INC | Minor source | No |
| NUCOR TUBULAR PRODUCTS | Minor source | No |
| NUFARM AMERICAS INC | Minor source | No |
| NUFARM AMERICAS INC | Minor source | No |
| NUMAT TECHNOLOGIES | Minor source | No |
| NWC BODY WORKS | Minor source | No |
| NYLOK FASTENER CORP | Minor source | No |
| O'BRIEN THE CLEANERS | Minor source | No |
| O'BRIEN, THE CLEANER INC | Minor source | No |
| O'CONNORS CLEANERS | Minor source | No |
| O'HARE BP FOOD & GAS PLAZA | Minor source | No |
| O'REILLY CLEANERS INC | Minor source | No |
| O&K AMERICAN CORP | Minor source | No |
| O&S CORP | Minor source | No |
| OAK 159TH INC BP | Minor source | No |
| OAK FOREST HOSPITAL | Minor source | No |
| OAK FOREST SERVICE INC | Minor source | No |
| OAK LAWN RESPIRATION & REHAB CTR | Minor source | No |
| OAK LAWN SVC | Minor source | No |
| OAK LAWN VILLAGE OF | Minor source | No |
| OAK LAWN VILLAGE OF EQUIPTMENT MAINT | Minor source | No |
| OAK MEADOW ENERGY LLC | Minor source | No |
| OAK MILL CLEANERS | Minor source | No |
| OAK PARK CITGO | Minor source | No |
| OAK PARK HOSPITAL | Minor source | No |
| OAK PARK VILLAGE OF | Minor source | No |
| OAK RIVER CLEANERS | Minor source | No |
| OAK RIVER CLEANERS | Minor source | No |
| OAKLAND MEMORY LANES INC | Minor source | No |
| OAKLEAF CLEANERS | Minor source | No |
| OAKRIDGE ABBEY CREMATORY | Minor source | No |
| OAKTON AUTO BODY SHOP INC | Minor source | No |
| OAKTON CLEANERS | Minor source | No |
| OAKTON MARATHON | Minor source | No |
| OAKTON SKOKIE MARATHON | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.