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The incorporation of Earth observations, like NASA satellite data on air pollution, has helped improve the accuracy of the National Oceanic and Atmospheric Administration’s National Air Quality Forecast Capability by approximately 38%. This information contributes to daily Air Quality Index (AQI) forecasts created by the U.S. Environmental Protection Agency (EPA), which many Americans rely on to inform decisions to protect their health.

woman helps child use inhaler
Vulnerable populations like young children and people with asthma may need additional respiratory inhalation therapy on poor air quality days. Credits: EPA

To learn more about this work, visit the NASA feature NASA Data Strengthens U.S. Air Quality Warnings.

This story is part of our Space for U.S. collection. To learn how NASA data are being used in your state, please visit

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