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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Air quality monitoring network

Map-based tool providing near real-time air quality information to protect health. It's used to determine if air quality meets health-based federal standards.

https://ecology.wa.gov/Asset-Collections/Link-Assets/Air-quality/Air-quality-monitoring-network

Air Quality Application Portal

(SAW account required)

https://ecology.wa.gov/Asset-Collections/Link-Assets/Air-quality/Air-Quality-Application-Portal

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.

https://ecology.wa.gov/Asset-Collections/Link-Assets/Air-quality/Agricultural-Burning-Research-Task-Force

Video: Breathe better by easily making a clean air fan

Video showing how to make an air filter out of a box fan and furnace filter.

https://ecology.wa.gov/Asset-Collections/Link-Assets/Air-quality/DIY-Video-box-fan-filter

Blog: Washington Smoke Information

Washington blog site for sharing updates and forecasting on smoke from wildfires.

https://ecology.wa.gov/Asset-Collections/Link-Assets/Air-quality/WA-Smoke-blog

Vídeo: Como hacer su propio filtro de aire limpio

Aprenda a hacer su propio ventilador para filtrar aire. Esta combinación de ventilador-filtro de bajo costo.

https://ecology.wa.gov/Asset-Collections/Link-Assets/Air-quality/Spanish-video-box-fan-filter

Automated five-day smoke forecasts in Washington

This smoke forecast tool provides a five-day prediction of the amount of smoke expected in 53 zones around the state, from wildfires and other sources.

https://ecology.wa.gov/smokeforecast

Agenda 11/29/17

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

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC-173-400-401/Agenda-(WAC-173-400;401)-11-29-17

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

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

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC173-442_441-(1)/Withdrawal-letter-(WSR-16-06-072)-02-26-16

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.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC173-442_441-(1)/Rulemaking-Adoption-Notice-(WAC-173-442;-WAC-173-4

Draft rule 11/29/17

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

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC-173-400-401/Draft-rule-(WAC-173-400,401)-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.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC-173-455/Draft-rule-language-for-WAC-173-400-(WAC-173-4-(1)

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.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC-173-455/Draft-rule-language-for-WAC-173-455-(WAC-173-4-(2)

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.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC-173-455/Draft-fee-schedule-(WAC-173-455;-WAC-173-400)-06-2

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.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC-173-455/Draft-fee-by-source-(WAC-173-455;-WAC-173-400)-06

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.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC-173-455/Presentation-slides-(WAC-173-455;-WAC-173-400)-03

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.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC-173-455/Meeting-summary-(WAC-173-455;-WAC-173-400)-03-21-1

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

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC-173-455/Draft-rule-language-for-WAC-173-455-(WAC-173-455;

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.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC-173-455/Agenda-workgroup-meeting-(WAC-173-455;-WAC-173-(1)

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.

https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/AQ/WAC-173-455/Draft-rule-language-for-WAC-173-400-(WAC-173-455;

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