Air Quality

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Outdoor air quality has improved since the 1990s, but many challenges remain in protecting Americans from air quality problems. Ground-level ozone, the main part of smog, and particle pollution are just two of the many threats to air quality and public health in the United States.

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Air Pollutants
Ozone and Your Health

Learn how ground-level ozone can harm your health — and what you can do to protect yourself.

Particle Pollution

Read about the negative health effects of particle pollution — and find steps you can take to prevent them.

Protect Yourself from Wildfire Smoke

When wildfires burn near you, smoke can reach your community

Volcanic Air Pollution

Information about potential health effects caused by volcanic ash and gases, and precautions you can take.

Saharan Dust

A type of particulate matter (PM) that originates in the Sahara Desert in Northern Africa.

Air Quality Resources for Professionals

Helpful resources about air quality for public health professionals.

Communication Tools

Find information on public health issues related to air quality, including asthma, heart disease and stroke, and more.

FEMA-Provided Trailer Study

In the aftermath of Hurricane Katrina, FEMA provided either mobile homes or travel trailers to displaced Gulf Coast residents who had lost their homes in the hurricane.

Communication Tools

Find information on public health issues related to air quality, including asthma, heart disease and stroke, and more.

Infographics

Infographics related to air quality and health.

FEMA-Provided Trailer Study

In the aftermath of Hurricane Katrina, FEMA provided either mobile homes or travel trailers to displaced Gulf Coast residents who had lost their homes in the hurricane.