The U.S. Air Quality Index (AQI) is the Environmental Protection Agency’s tool for reporting outdoor air quality and health.

Smoke from Canadian wildfires is beginning to worsen air quality in the eastern U.S. as several Midwestern states battle ...

The projected 101 on the Air Quality Index is unhealthy for sensitive groups, according to a state department.

CleanAIRE NC’s AirKeeper Dashboard is an interactive map that shows air quality data and the location of polluters. It also ...

A new study highlights a surprising lens for tracking pollution trends over centuries: preserved plants and animals housed at ...

Nitrates in the atmosphere reduce air quality and play an important role in climate change. An international team led by ...

This year, the Republic of Korea is hosting World Environment Day. Observed on 5 June, the day this year spotlights solutions ...

New research has identified the mechanism by which air pollution damages the lungs’ self-cleaning system, leaving us ...

Accurate data is key to catching polluters. Researchers make critical breakthrough after using powerful satellite to track ...

The Environmental Defense Fund published the Inventory of U.S. Greenhouse Gas Emissions and Sinks after filing a Freedom of Information Act request last month.