CHICAGO O'HARE INTERNATIONAL AIRPORT
Every figure on PlainCarbon is rendered directly from EPA Greenhouse Gas Reporting Program (GHGRP) data, no number is typed in by an editor. This page draws directly on the EPA Greenhouse Gas Reporting Program (GHGRP), no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.
CHICAGO, IL · COOK COUNTY · NAICS 488119
Data updated May 2026
Annual Emissions History
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 43,687 |
| 2022 | 44,153 |
| 2021 | 68,289 |
| 2020 | 56,915 |
| 2019 | 50,922 |
| 2018 | 48,033 |
| 2017 | 45,318 |
| 2016 | 48,833 |
| 2015 | 49,609 |
| 2014 | 55,527 |
| 2013 | 53,401 |
| 2012 | 36,852 |
| 2011 | 54,027 |
Facility Insight: CHICAGO O'HARE INTERNATIONAL AIRPORT
CHICAGO O'HARE INTERNATIONAL AIRPORT (EPA GHGRP Facility ID 1005841) reported 44K metric tons of CO2-equivalent in 2023, operating in CHICAGO, IL within COOK COUNTY. The site is classified under Other with NAICS code 488119.
The facility has 13 years of reported data on record, covering the 2011–2023 window. Over that period, annual CO2e emissions declined by 19.1%, with the peak observed year showing up to 68K MT CO2e.
Emissions Analysis
CHICAGO O'HARE INTERNATIONAL AIRPORT reports 44K MT CO2e, placing it among smaller reporting facilities in the GHGRP.
Frequently Asked Questions
How much CO2 does CHICAGO O'HARE INTERNATIONAL AIRPORT emit? ▼
CHICAGO O'HARE INTERNATIONAL AIRPORT reported 44K MT CO2e in 2023.
Is CHICAGO O'HARE INTERNATIONAL AIRPORT reducing emissions? ▼
Over 13 reporting years (2011–2023), CHICAGO O'HARE INTERNATIONAL AIRPORT's emissions have decreased by 19.1%. This suggests meaningful progress in emissions reduction.