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.

Draft rule language for WAC 173-400 (WAC 173-455; WAC 173-400) 06/27/17

This is draft rule language for WAC 173-400 on 06/27/17 for WAC 173-455 Air Quality Fee Rule; WAC 173-400 General Regulations for Air Pollution Sources.

Draft rule language for WAC 173-455 (WAC 173-455; WAC 173-400) 06/27/17

This is draft rule language for Chapter 173-455 WAC, Air Quality Fee Rule; Chapter 173-400 WAC, General Regulations for Air Pollution Sources, 6/27/17 version.

Draft fee schedule (WAC 173-455; WAC 173-400) 06/27/17

This is a draft fee schedule on 06/27/17 for WAC 173-455 Air Quality Fee Rule; WAC 173-400 General Regulations for Air Pollution Sources.

Draft fee by source (WAC 173-455; WAC 173-400) 06/27/17

This shows draft fee amounts on 06/27/17 for registration sources for WAC 173-455 Air Quality Fee Rule; WAC 173-400 General Regulations for Air Pollution Sources.

Presentation slides (WAC 173-455; WAC 173-400) 03/21/17

This is a powerpoint presentation for a meeting on 3/21/17 for WAC 173-455 Air Quality Fee Rule; WAC 173-400 General Regulations for Air Pollution Sources.

Meeting summary (WAC 173-455; WAC 173-400) 03/21/17

This is a summary of a meeting on 3/21/17 for WAC 173-455 Air Quality Fee Rule; WAC 173-400 General Regulations for Air Pollution Sources.

Draft rule language for WAC 173-455 (WAC 173-455; WAC 173-400) 04/26/17

This is draft rule language for WAC 173-455 Air Quality Fee Rule

Agenda workgroup mtg (WAC 173-455; 173-400) 04/26/17

This is an agenda for a workgroup meeting on 4/26/17 for WAC 173-455 Air Quality Fee Rule; WAC 173-400 General Regulations for Air Pollution Sources.

Draft rule language for WAC 173-400 (WAC 173-455; WAC 173-400) 04/26/2017

This is draft rule language for WAC 173-400 General Regulations for Air Pollution Sources.

Meeting summary (WAC 173-455; WAC 173-400) 04/26/17

This is a summary for a meeting on 4/26/17 for WAC 173-455 Air Quality Fee Rule; WAC 173-400 General Regulations for Air Pollution Sources.