Research & Data

Use this portal to filter and search for all of our scientific information.

Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.

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2022FinalRegistrationBudget

Final 2022-2023 Budget for Air Quality Registration

https://ecology.wa.gov/2022finalregistrationbudget

Washington Emissions Inventory Reporting System (WEIRS) training, 2/8/23

This is the presentation for the February 8, 2023 training about Washington Emissions Inventory Reporting System (WEIRS).

https://ecology.wa.gov/20230208weirstraining

2023StateAgencyGHGCalculator

Calculator for state agencies to determine their GHG emissions

https://ecology.wa.gov/2023-state-agency-ghg-calculator

Fireplaces that meet Washington standards, February 2023

This is the February 2023 list of fireplaces that meet Washington standards.

https://ecology.wa.gov/202302fireplaces