Asthma & Community Health

The Asthma and Community Health Branch (ACHB) leads CDC’s fight against environmental-related respiratory illnesses, including asthma, and studies indoor and outdoor air pollution as well as links between climate and health.

About the Program

A middle-aged man enjoying a breath of fresh air.

Air Aware

Learn more about protecting your health.

 Surveillance Data

National Asthma Control Program:

National Asthma Control Program: Surveillance Data

CO detectors

CO Prevention Guidelines

You Can Prevent Carbon Monoxide Exposure

Quick Links

What’s New Recent related research by CDC staff, recent documents and related audio, podcasts, video, & Health-e-Cards.


Resources Useful documents and FAQs about asthma and indoor/outdoor air pollution from federal and state agency resources.


National Center for Environmental Health (NCEH)

Page last reviewed: February 22, 2018