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 data for Intalco Storymap

A table showing the number of days in each Air Quality Index category near Intalco

https://ecology.wa.gov/20200414-intalcostorymap

2017 and 2018 air quality days

A color coded chart showing the air quality days from good to very unhealthy for 2017 and 2018.

https://ecology.wa.gov/2019aqigraphic1718-alt

VW federal Electric School Bus Grant Awards

A breakdown of VW federal grant awards for electric school buses by county and school district.

https://ecology.wa.gov/asset-collections-doc-assets-air-quality-vw-20200427-vwfed-elecschoolbusawards-alt

Table of ASIL, SQER, and de minimis emission values – WAC 173-460-150 (Effective 12-23-2019)

This is the 12/23/19 sortable table of toxic air pollutants (TAPs) listed in Chapter 173-460 WAC, Controls for New Sources of Toxic Air Pollutants.

https://ecology.wa.gov/table-of-asil-sqer-and-de-minimis-emission-value

How can I protect my health at different AQI values

A color coded chart with numerical values telling what actions to take to protect your health during an air quality event.

https://ecology.wa.gov/2019aqigraphic-alt

Washington Emissions Inventory Reporting System (WEIRS) Emissions Inventory Codes

Emissions Inventory Codes for Washington Emissions Inventory Reporting System (WEIRS), 12/20/19

https://ecology.wa.gov/20191220emissionsinventorycodes

Questions and Answers - Electric vehicle charging infrastructure along high-traffic corridors

Information on grant opportunities to add electric vehicle charging infrastructure on major transportation corridors in Washington.

https://ecology.wa.gov/20200107-vwfederalcorridorfaq

Microsoft MWH Data Center Approval Order No. 20AQ-E005

This is the air quality permit No. 20AQ-E005 for Microsoft MWH Data Center in Quincy.

https://ecology.wa.gov/20200227mwhao20aqe005

Microsoft Columbia Approval Order No. 20AQ-E002

This is the air quality approval order 20AQ-E002 for Microsoft Columbia data center in Quincy.

https://ecology.wa.gov/20200206microsoftcolumbia20aqe002

Microsoft Columbia C06, Quincy, Preliminary Determination

This is the preliminary determination for the Microsoft Columbia expansion, C06.

https://ecology.wa.gov/20191209mscolumbiapd

Sabey Data Center 2020 NOC App

This is the 2020 Notice of Construction Application for Sabey Data Center in Quincy

https://ecology.wa.gov/20200413sabeynocapp

Sabey Data Center 2020 Trinity HIA

This is the 2020 Health Impact Assessment by Trinity Consultants for Sabey Data Center in Quincy.

https://ecology.wa.gov/20200403sabeyhiatrinity

Auto Body Shop Surface Coating Guide, April 2020

This is the auto body shop surface coating guide, April 2020.

https://ecology.wa.gov/202004bodyshopsurfacecoat