Air Quality Data and Tools

Access to a collection of EPA resources for reviewing and interacting with air quality monitoring, modeling and emissions data.

Air Compare

Provides local air quality information for making health-protective decisions about moving or vacationing.

AirData

Access air quality data collected at outdoor monitors across the United States.

Air Emissions Sources

Get information about emissions from various sources of air pollutants.

Air Trends

Stay informed about how air pollutant emissions and ambient concentrations change over time.

BenMAP

Learn about this open-source computer program that calculates the number and economic value of air pollution-related deaths and illnesses.

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