Research & Data

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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Washington Air Quality Advisory

The Washington Air Quality Advisory (WAQA) tells you when air quality is healthy or unhealthy.

Site Information Management System (SIMS)

(SAW account required)

Air quality monitoring network

A network of air monitoring stations to measure air pollution throughout the state.

Air Quality Burn Permitting System

(SAW account required)

Air Quality Application Portal

(SAW account required)

Agricultural Burning & Research Task Force

The Agricultural Burning Practices and Research Task Force (Agricultural Task Force) is established by the Washington State Clean Air Act.

Agenda 11/29/17

This is the agenda for the 11/29/17 stakeholder meeting.

Withdrawal letter (WSR 16-06-072) 02/26/16

This the withdrawal notice for the original CR-102 filed on January 5, 2016.

Rulemaking Adoption Notice (WAC 173-442; WAC 173-441) 09/15/16

This is a rulemaking adoption (CR-103) for WAC 173-442 Clean Air Rule; WAC 173-441 Reporting of Emissions of Greenhouse Gases.

Draft rule 11/29/17

This is the draft rule from 11/29/17.

Rulemaking proposed language (WAC 173-407) 10/04/17

This is proposed rule language for WAC 173-407 Carbon Dioxide Mitigation Program, Greenhouse Gases Emissions Performance Standard and Sequestration Plans and Programs for Thermal Electric Generating Facilities

Rulemaking Proposal (WAC 173-407) 10/04/17

This is a rulemaking proposal (CR-102) for WAC 173-407 Carbon Dioxide Mitigation Program, Greenhouse Gases Emissions Performance Standard and Sequestration Plans and Programs for Thermal Electric Generating Facilities

SEPA Determination of Nonsignificance and Checklist (WAC 173-407) 10/04/17

This is SEPA DNS and Checklist for WAC 173-407 Carbon Dioxide Mitigation Program, Greenhouse Gases Emissions Performance Standard and Sequestration Plans and Programs for Thermal Electric Generating Facilities

Rulemaking Announcement (WAC 173-407) 02/07/17

This is a rulemaking Announcement (CR-101) for WAC 173-407 Carbon Dioxide Mitigation Program, Greenhouse Gases Emissions Performance Standard and Sequestration Plans and Programs for Thermal Electric Generating Facilities

Draft Rule Language (WAC 173-407) 03/31/17

This is draft rule language used in the stakeholder meeting for WAC 173-407 Carbon Dioxide Mitigation Program, Greenhouse Gases Emissions Performance Standard and Sequestration Plans and Programs for Thermal Electric Generating Facilities.

Draft Rule Language (WAC 173-407) 04/11/17

This is draft rule language used for the informal comment period from Apr 13 to May 12 2017 for WAC 173-407 Carbon Dioxide Mitigation Program, Greenhouse Gases Emissions Performance Standard and Sequestration Plans and Programs for Thermal Electric Generating Facilities

Stakeholder Meeting Summary (WAC 173-407) 04/13/17

This is stakeholder meeting summary for WAC 173-407 Carbon Dioxide Mitigation Program, Greenhouse Gases Emissions Performance Standard and Sequestration Plans and Programs for Thermal Electric Generating Facilities

Draft Rule Language (WAC 173-407) 05/26/17

This is draft rule language used for informal comment period from May 26 to June 16, 2017 for WAC 173-407 Carbon Dioxide Mitigation Program, Greenhouse Gases Emissions Performance Standard and Sequestration Plans and Programs for Thermal Electric Generating Facilities

Draft Rule Language (WAC 173-407) 07/17/17

This is draft rule language used for informal comment period from July 17 to July 28, 2017 for WAC 173-407 Carbon Dioxide Mitigation Program, Greenhouse Gases Emissions Performance Standard and Sequestration Plans and Programs for Thermal Electric Generating Facilities

Draft rule (11/10/16)