EPA Air · by state

Air-emissions sources in Illinois

14,433Facilities

By emissions classification in Illinois

High-priority violations in Illinois

136 sources in Illinois carry a current high-priority Clean Air Act violation.

Counties in Illinois

Industries in Illinois

Sources are grouped by the first industry code on the facility record.

Air-emissions inspections in Illinois, by year

A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.

High-priority air violations in Illinois, by year

A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity.

Air-emissions stack tests in Illinois, by year

A stack test measures what a source actually emits, at the stack, against the limit in its permit.

Facilities

Facility↑↓	Classification↑↓	HPV
NORTHERN FS		No
NORTHERN GRAIN MARKETING	Minor source	No
NORTHERN GRAIN MARKETING	Minor source	No
NORTHERN IL WILBERT VAULT CO INC	Minor source	No
NORTHERN ILLINOIS FUNERAL SERVICES INC	Minor source	No
NORTHERN ILLINOIS MACK INC	Minor source	No
NORTHERN ILLINOIS PET CREMATORY	Minor source	No
NORTHERN ILLINOIS SERVICE CO	Minor source	No
NORTHERN ILLINOIS SERVICE CO	Minor source	No
NORTHERN ILLINOIS SERVICE CO	Minor source	No
NORTHERN ILLINOIS UNIVERSITY	Major source	No
NORTHERN LEASING INC	Minor source	No
NORTHERN NATURAL GAS CO	Major source	No
NORTHERN PARTNERS COOPERATIVE	Minor source	No
NORTHERN PARTNERS COOPERATIVE	Minor source	No
NORTHERN PARTNERS COOPERATIVE	Minor source	No
NORTHERN PARTNERS COOPERATIVE	Minor source	No
NORTHERN PARTNERS COOPERATIVE	Minor source	No
NORTHERN TRUST	Minor source	No
NORTHERN TRUST CO	Minor source	No
NORTHERN WHITE SAND	Minor source	No
NORTHERN WHITE SAND CO LLC	Minor source	No
NORTHERN WHITE SANDS	Minor source	No
NORTHFIELD AUTO CLINIC	Minor source	No
NORTHFIELD BLOCK CO	Minor source	No
NORTHFIELD BLOCK CO	Minor source	No
NORTHFIELD BLOCK CO	Minor source	No
NORTHFIELD VILLAGE HALL & FIRE DEPT	Minor source	No
NORTHGATE PET CLINIC	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
NORTHSIDE AUTO BODY	Minor source	No
NORTHTOWN AUTO BODY	Minor source	No
NORTHWEST AUTO WASH	Minor source	No
NORTHWEST BODY CO	Minor source	No
NORTHWEST CHICAGOLAND INTERNATIONAL AIRPORT AT ROCKFORD	Minor source	No
NORTHWEST COMMUNITY HOSPITAL	Minor source	No
NORTHWEST ILLINOIS CONSTRUCTION CO	Minor source	No
NORTHWEST MOSQUITO ABATEMENT DIST	Minor source	No
NORTHWEST TRUCKS INC		No
NORTHWEST WATER COMMISSION	Minor source	No
NORTHWESTERN FLAVORS INC	Minor source	No
NORTHWESTERN MEDICINE CENTRAL DUPAGE HOSPITAL	Synthetic minor source	Yes
NORTHWESTERN MEMORIAL HOSPITAL	Major source	No
NORTHWESTERN UNIVERSITY	Major source	No
NORTHWESTERN UNIVERSITY CHICAGO CAMPUS	Major source	No
NORTHWIND RAS LLC	Minor source	No
NORWAY STORE	Minor source	No
NORWOOD CLEANERS	Minor source	No
NOSCO INC	Minor source	No
NOSTALGIC AUTO BODY	Minor source	No
NOSTALGOR AUTOBODY	Minor source	No
NOTRAX DBA SUPERIOR MFG GROUP	Minor source	No
NOURYON SURFACE CHEMISTRY LLC	Major source	No
NOVA CHROME INC	Minor source	No
NOVELLS ALR ALUMINUM LLC	Synthetic minor source	No
NOW FOODS INC	Minor source	No
NOWFAB	Minor source	No
NSI ELECTRICAL	Minor source	No
NSI ELECTRICAL	Minor source	No
NSR TECHNOLOGIES INC	Minor source	No
NTA PRECISION AXLE CORP	Minor source	No
NTN BOWER CORP	Major source	No
NTS TRAILOR SERVICES	Minor source	No
NTT GLOBAL DATA CENTERS CH LLC	Synthetic minor source	Yes
NU GLO CLEANERS	Minor source	No
NU ROCK BALDWIN LLC	Minor source	No
NU-DEAL INC	Minor source	No
NU-LIFE AUTO BODY SHOP	Minor source	No
NUAIR FILTER CO LLC	Minor source	No
NUANCE SOLUTIONS INC	Minor source	No
NUCOR STEEL KANKAKEE INC	Major source	No
NUCOR TUBULAR PRODUCTS	Minor source	No
NUCOR TUBULAR PRODUCTS INC	Minor source	No
NUDO PRODUCTS	Minor source	No
NUESTRO QUESO LLC	Minor source	No
NUFARM AMERICAS INC	Minor source	No
NUFARM AMERICAS INC	Minor source	No
NUGENTS AUTO REPAIR	Minor source	No
NUMAT TECHNOLOGIES	Minor source	No
NUTRIAD INC	Minor source	No
NUTRIEN AG SOLUTIONS - DANVILLE	Minor source	No
NUTRIEN US LLC	Minor source	No
NUTRITION SERVICES INC	Minor source	No
NVA OKAH ACQUISITIONS INC	Minor source	No
NVENIA	Minor source	No
NWC BODY WORKS	Minor source	No
NYDAM AUTO BODY & REPAIR	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'DANIEL TRUCKING CO	Minor source	No
O'FALLON PRESSURE CAST	Minor source	No
O'HARE BP FOOD & GAS PLAZA	Minor source	No
O'HARE LOGISTICS	Minor source	No
O'NEILLS AUTO BODY	Minor source	No

Figures from EPA’s ICIS-AIR download.