Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

HTTPS

Secure .gov websites use HTTPS
A lock (LockA locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

    • Environmental Topics
    • Air
    • Bed Bugs
    • Chemicals, Toxics, and Pesticide
    • Emergency Response
    • Environmental Information by Location
    • Health
    • Land, Waste, and Cleanup
    • Lead
    • Mold
    • Radon
    • Research
    • Science Topics
    • Water Topics
    • A-Z Topic Index
    • Laws & Regulations
    • By Business Sector
    • By Topic
    • Compliance
    • Enforcement
    • Guidance
    • Laws and Executive Orders
    • Regulations
    • Report a Violation
    • Environmental Violations
    • Fraud, Waste or Abuse
    • About EPA
    • Our Mission and What We Do
    • Headquarters Offices
    • Regional Offices
    • Labs and Research Centers
    • Newsroom
    • Planning, Budget, and Results
    • Organization Chart
    • EPA History

Breadcrumb

  1. Home
  2. Asthma

Learn about Asthma

Asthma is a serious, sometimes life-threatening chronic respiratory disease that affects the quality of life for over 26 million Americans, including more than 4 million children. Learn more about what asthma is and who is at risk. 


  • What is Asthma? 
  • Who is at Risk for Asthma?
  • Asthma Publications
  • Asthma Resources
  • En Español - Acerca del Asma
  • Frequently Asked Questions
  • Take the Asthma Quiz

America’s Children and the Environment 

Cover of the ACE report

Interactive Asthma Story Map

The  U.S. Environmental Protection Agency (EPA) America’s Children and the Environment (ACE) brings together information from a variety of curated sources to provide national trends and highlight the disproportionate impacts of environmental factors on children’s health.  

The ACE Asthma Story Map is an interactive, web-based narrative that discuss how children with asthma are affected by environmental factors, what EPA is doing to protect children, and other steps that can be taken now to improve our kid's current and future health. View the Asthma Story Map. 

Asthma

  • Indoor Air Quality Home Page
  • Learn About Asthma
  • Manage Asthma Triggers
  • Take Action on Asthma
  • National Environmental Leaders in Asthma
  • Access Asthma Resources
  • Asthma Community Network
  • Take the Asthma Quiz
  • Asthma Frequently Asked Questions
Contact Us about Asthma
Contact Us about Asthma to ask a question, provide feedback, or report a problem.
Last updated on October 8, 2026
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.gov
  • Subscribe
  • USA.gov
  • White House

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.