The red-level air quality index (AQI) category—covering values from 151 to 200—means the air is unhealthy for everyone, not just vulnerable populations. According to the EPA, "some members of the ...

Roughly 250,000 people in all three states are urged to limit their outdoor time to avoid exposure to dangerous air quality levels. The air quality is the worst in the Greenville area, where the South ...

Indianapolis' air quality is among the worst in the nation for year-round particle pollution, according to a new report. Why ...

"This air pollution is a threat to human health at every stage of life," a spokesperson with the American Lung Association ...

The 2025 "State of the Air" report shared that Hoosiers are being exposed to more unhealthy ozone smog and particle pollution ...