The Air Quality Index (AQI) uses a color-coded scale to inform the public about air pollution levels and potential health risks. Michigan residents can check the AQI through various online resources, ...

According to the Arizona Department of Environmental Quality (ADEQ), particulate matter (PM) is a mix of tiny solids and liquid droplets in the air, made up of substances like acids, organic chemicals ...

For the 2026 New York State (NYS) legislative year, the American Lung Association in New York has reaffirmed their advocacy and support for the “Hazardous Air Quality Emergency Preparedness Bill” ( ...

Chicago has been engulfed in a cloud of toxic air chemicals, sparking debate over the reality of the situation, coming after a revealing map shows that millions of Americans breathe toxic air every ...

Los Angeles and much of Southern California were met with a regional air quality alert on Saturday, following July 4th festivities and the state’s largest wildfire of the year. With the Madre Fire ...

Some popular weather apps had reported a dangerously hazardous Air Quality Index. By Amy Graff Amy Graff is a reporter on The Times’s weather team. Readings from several popular weather apps had ...

The Valley is experiencing thick, hazy, and dusty conditions that began Monday night due to gusty winds from overnight thunderstorms to the east, leading to hazardous air quality. An air quality ...

Knoxville's mountainous skyline is covered in a hazy layer of smoke Wednesday, March 12. Air quality in the region is considered unhealthy for "sensitive groups," according to the Knox County ...

Multiple wildfires are actively burning across California, with some ignited by recent dry lightning strikes. High temperatures and dry conditions are fueling the fires, extending the wildfire risk ...

WICHITA, Kan. (KWCH) - Wildfires are impacting not just the landscapes burning, but also the air Kansans are breathing. Hazy skies and ash are bringing air quality levels down significantly in some ...

Los Angeles and much of Southern California were met with a regional air quality alert on Saturday, following July 4th festivities and the state’s largest wildfire of the year. With the Madre Fire ...