Learn the Issues
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Health Risks of Secondhand Smoke and Aerosols Factsheet
This factsheet discusses the health risks of secondhand smoke and aerosols.
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COVID-19, Wildfires, and Indoor Air Quality
Learn where to find information related to COVID-19, wildfires and indoor air quality.
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Use and Care of Home Humidifiers
Tips for the Use and Care of Home Humidifiers
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How much ventilation do I need in my home to improve indoor air quality?
Indoor Air Quality (IAQ) refers to the air quality within and around buildings and structures, especially as it relates to the health and comfort of building occupants. Increasing the amount of outdoor air coming into the building helps to control pollutant levels, odors, temperature, humidity and other factors that can…
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Indoor Air Quality in Apartments
Apartments can have the same indoor air problems as single-family homes because many of the pollution sources, such as the interior building materials, furnishings, and household products, are similar.
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Nitrogen Dioxide's Impact on Indoor Air Quality
The two most prevalent oxides of nitrogen are nitrogen dioxide (NO2) and nitric oxide (NO). Both are toxic gases with NO2 being a highly reactive oxidant and corrosive. The primary sources indoors are combustion processes.
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Jump in? Not So Fast! Impact of Cyanobacteria Blooms on Recreational Waters
Summer is fast approaching and with the warm weather it is time to hit the water! Clean water and access to safe waterbodies play an important role in our communities.
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Pesticides' Impact on Indoor Air Quality
According to a recent survey, 75 percent of U.S. households used at least one pesticide product indoors during the past year. Products used most often are insecticides and disinfectants.
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Highlighted Analysis of the Building Assessment Survey and Evaluation Study
Highlighted analysis from the Building Assessment Survey and Evaluation (BASE) Study.
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Study Provides New Insights Into Impacts of Wildland Fires on Ozone Monitoring Equipment in Kansas
New research from EPA shows wildland fire smoke may affect the accuracy of some regulatory monitoring instruments that measure ozone. The measurements from these instruments are needed by state, local, and tribal air quality agencies to determine if levels
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Extension of Public Comment Period; NTEC Energy Generation Plant Draft Tribal Synthetic Minor NSR Permit
Extension of Public Comment Period: Draft Permit and Request for Public Comment on Draft Clean Air Act Synthetic Minor NSR Permit in Indian Country; NTEC Energy Generation Plant Tribal Synthetic Minor NSR Permit Application # 2024-004-SM.
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San Fernando Valley Superfund Sites Story Map
EPA Region 9's StoryMap collection describes the four San Fernando Valley Superfund site histories and upcoming remedial activities.
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Documents, Reports and Photographs for Global Advanced Metals in Boyertown, Pennsylvania
RCRA Corrective Action Global Advanced Metals, Boyertown PA, Documents and Reports Formerly Cabot Performance Materials Corporation
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Documents, Reports and Photographs for Covestro LLC (Formerly: Bayer Material Science LLC) in New Martinsville, West Virginia
RCRA Corrective Action Site Former Bayer Material Science LLC (Formerly : Miles), New Martinsville WV, Now (Covestro LLC), Reports and Documents
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Documents, Reports and Photographs for W.L. Gore and Associates, Incorporated in Newark, Delaware
RCRA Corrective Action Key , W.L. Gore & Associates Inc, Newark DE , Documents and Reports
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Documents, Reports and Photographs for E.I. DuPont DeNemours Chestnut Run Site in Wilmington, Delaware
RCRA Corrective Action Key DuPont Chestnut Run , Wilmington DE , Documents and Reports
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Documents, Reports and Photographs for Delaware City Refinery (Motiva) in Delaware City, Delaware
RCRA Corrective Action Key Delaware City Refinery , Delaware City DE , Documents and Reports
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Documents, Reports and Photographs for Dassault Falcon Jet Wilmington Corporation in New Castle, Delaware
RCRA Corrective Action Key Dassault Falcon Jet New Castle DE, Documents and Reports
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Children’s Environmental Health Latest Updates
Find the latest news and information about schools and children’s environmental health at EPA or sign up now to get the news straight to your inbox.
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The Importance of Sending Consumers’ Used Lithium-ion Batteries to Electronic Recyclers or Hazardous Waste Collection Facilities
This is the landing page for the report Analysis of Lithium-ion Battery Fires in Waste Management and Recycling