As part of its ongoing effort to protect the environment, Westchester County Airport , conducted its first Air Emissions Inventory in 2007. This report was subsequently updated in 2021 to reflect 2017 data, and most recently in 2025 to reflect 2022/2023 data.
The Air Emissions Inventory measures greenhouse gases (GHGs) and eight additional (non-GHG) criteria air pollutants associated with airport operations. The purpose of the inventory is to create a snapshot of the airport's emissions, evaluate them with reference to federal air quality standards (NAAQS), and identify opportunities to reduce emissions and protect community health.
Westchester County Airport is proud to announce it has achieved/on track to achieve Level 1 Accreditation through the Airport Council International – North America (ACI-NA) global Airport Carbon Accreditation program. As part of the accreditation process, the airport developed a Carbon Reduction Policy Statement, committing to and outlining its goals for reducing airport-related greenhouse gas emissions. With this achievement, Westchester County Airport joins a group of 64 accredited U.S. airports leading the way in environmental stewardship.
The 2022 air emissions inventory report will be posted here as soon as it is available.
Westchester County Airport uses its air emissions inventory to:
- Understand the airport’s relationship to the issue of climate change;
- Develop strategies for managing GHG issues in the future, including participation in policy development and implementation of emissions controls on its operations;
- Report its environmental performance; and
- Respond to existing regulatory requirements and prepare for future regulatory responsibilities.
In addition to the initiatives described in the carbon reduction policy statement, the Airport began a four-season trial using renewable diesel fuel for its ground service equipment fleet. The biofuel alternative, which offers cleaner combustion compared to traditional diesel, will be evaluated for performance and cost-effectiveness across varying seasonal conditions. At the conclusion of the trial, the airport will conduct a cost-benefit analysis to determine the feasibility of adopting renewable diesel for its entire diesel-powered fleet.