Science & Technology

Advancing Air Quality Measurement Capabilities and Engaging A Kansas Community in Citizen Science

EPA researchers are working with a community in Kansas to measure air quality monitoring capabilities.

New MicroTrac Tool Enhances Air Pollution Exposure Assessments

An overview of the MicroTrac model, an important resource that can help support public health strategies to reduce overall air pollution exposure.

EnviroAtlas in the Classroom: New K-16 Lesson Plans that Empower Tomorrow’s Decision-Makers

EPA’s new suite of educational materials aims to address that knowledge gap with classroom-ready lessons that teach students about the environment’s effects on their daily lives, including their health and well-being.

EPA’s Office of Research and Development Reorganizes to Better Support EPA’s Mission

Office of Research and Development (ORD) recently announced plans to reorganize to better support the Agency’s core mission of protecting human health and the environment.

Meet EPA Scientist Mohamed Ateia Ibrahim, Ph.D.

EPA researcher Mohamed (Moha) Ateia Ibrahim works on developing and evaluating innovative water treatment technologies to remove and/or degrade emerging contaminants, such as PFAS and microplastics, in water bodies. Moha was awarded the 40 Under 40 Recogni

Cleaning Indoor Air During Wildfires: A Push for Innovative Solutions

EPA offers prizes and seed funding to support promising technologies at every stage of the development process. Read about how these programs are supporting innovative ways to clean indoor air during wildfires.

EPA Scientist Serves as Air Resource Advisor Trainee at the Lookout Fire

EPA researcher Amara Holder was deployed as an ARA trainee to the Lookout Fire in Oregon’s Willamette National Forest. Read about her experience.

Fighting the Haze: Effects of Wildfire Smoke and Particulate Matter on Brain Function

While air pollution has mostly been associated with negative effects on lung and heart health, there are gaps in knowledge on how it affects brain health.

Meet EPA Quality Assurance Manager Cindy Fields

Cindy Fields is responsible for implementing EPA’s quality assurance policy and procedures in region 10. Prior to coming to EPA, Cindy worked with environmental information for 20 years, from the laboratory bench to leading field efforts and supporting env

Meet EPA Researcher Stephen LeDuc Ph.D.

EPA researcher Steve LeDuc focuses on how climate change and human activities affect environmental quality, especially in forested, agricultural, and mining landscapes. Dr. LeDuc is primarily working on finalizing the Forests Chapter for the 5th National C

Download CMAQ

Directions on downloading, building and testing the CMAQ model code are provided. Additional sections include information on further documentation, sources for user support and suggestions on software for model evaluation and visualization.

Download Data

This is the landing page for users interested in downloading CMAQ model input and output.

CMAQ Publications and Peer Review

Peer-reviewed research that supports or uses CMAQ is documented here.

Tribes and Water Quality Standards

Policy and Guidance related to water quality standards for indian tribes.

About Coastal Wetlands

This page provides background information on coastal wetlands, including information about what coastal wetlands are, why coastal wetlands are important, the rate of coastal wetland loss, and the reasons why coastal wetlands are being lost.

EPA’s Efforts: Coastal Wetlands Initiative

This page details EPA's efforts associated with the Coastal Wetlands Initiative including partnerships, the Interagency Coastal Wetlands Workgroup, coastal wetland reviews, coastal wetland loss pilot studies, and living shorelines work

Valley Park TCE National Priorities List (NPL) Superfund Site, Valley Park, St. Louis County, Missouri - Fact Sheet, June 2019

Public Meeting and Public Comment Period for Proposed Plan