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 Index (AQI)

The Air Quality Index (AQI) tells you when air quality is healthy or unhealthy.

https://ecology.wa.gov/research-data/monitoring-assessment/air-quality-index

Air quality studies

Information about air quality studies we conduct.

https://ecology.wa.gov/research-data/scientific-reports/air-quality-studies

EIM — environmental monitoring data

EIM contains environmental monitoring data collected by our scientists and partners.

https://ecology.wa.gov/research-data/data-resources/environmental-information-management-database

Geographic Information Systems (GIS)

Our GIS staff maintain spatial datasets and applications, conduct GIS projects, and publish GIS maps.

https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis

Aquatic Species Restoration Plan Research and Studies

The ASRP is a science-based plan to restore and enhance aquatic species habitat in the Chahalis Basin.

https://ecology.wa.gov/research-data/scientific-reports/asrp-research

Columbia River reports & documents

Our Office of Columbia River scientific reports and documents support water supply projects for Eastern Washington

https://ecology.wa.gov/research-data/scientific-reports/columbia-river-reports

Coastal zone mapping & erosion monitoring

We survey Washington's coastlines to monitor coastal erosion and track sediment movement over time.

https://ecology.wa.gov/research-data/monitoring-assessment/coastal-monitoring-assessment

Models & spreadsheets

Computer models predict changes and spreadsheets calculate. We offer these tools to the public.

https://ecology.wa.gov/research-data/data-resources/models-spreadsheets

Testing for chemicals in consumer products

We test consumer products to make sure manufacturers comply with chemical restrictions.

https://ecology.wa.gov/research-data/monitoring-assessment/consumer-products-testing

Monitoring for toxic chemicals

We conduct long-term monitoring to understand levels and trends of toxics in the environment.

https://ecology.wa.gov/research-data/monitoring-assessment/toxics-monitoring

Lake water quality monitoring & protection

Working with partners, we compile data on algae, invasive plants, and some toxic chemicals in lakes.

https://ecology.wa.gov/research-data/monitoring-assessment/lake-water-quality

Toxics Release Inventory

The Toxics Release Inventory (TRI) identifies chemicals used at businesses or facilities.

https://ecology.wa.gov/research-data/data-resources/toxics-release-inventory

Marine water & sediment monitoring

We conduct water and sediment long-term monitoring to identify ecosystem changes.

https://ecology.wa.gov/research-data/monitoring-assessment/puget-sound-and-marine-monitoring

Wastewater testing

Whole effluent toxicity testing ensures wastewater does not harm aquatic life.

https://ecology.wa.gov/research-data/monitoring-assessment/wastewater-testing

Effectiveness monitoring for water quality

Our scientists study the effectiveness of projects to protect and improve water quality.

https://ecology.wa.gov/research-data/monitoring-assessment/water-quality-improvement-effectiveness-monitoring

Modeling the environment

Computer models mathematically represent part of the environment to predict potential changes.

https://ecology.wa.gov/research-data/data-resources/models-spreadsheets/modeling-the-environment

EIM submit data

Ecology partners, submit your environmental monitoring data to EIM online.

https://ecology.wa.gov/research-data/data-resources/environmental-information-management-database/eim-submit-data

Using MyEIM

MyEIM is an advanced tool for searching and analyzing EIM data and is best viewed on a large screen.

https://ecology.wa.gov/research-data/data-resources/environmental-information-management-database/using-myeim

GIS Data

Ecology's authoritative GIS data layers are available for download.

https://ecology.wa.gov/research-data/data-resources/geographic-information-systems-gis/data

Contaminants in lake sediment cores

We age-date sediment cores from three lakes per year to assess contaminant deposition trends.

https://ecology.wa.gov/research-data/monitoring-assessment/toxics-monitoring/contaminants-in-sediment-cores