Image via Shutterstock Officials are issuing a public health warning in one major American city over the quality of the air.

Tampa was expected to see air quality that was "unhealthy for sensitive groups" on Tuesday, though the air quality remained ...

Teams of experts at Air Quality keep a network of statewide air monitors running smoothly year-round, which helps inform the ...

How is air quality across the U.S. these days? —Paul Jackson, Washington, DC. Air quality is defined as the degree to whi ...

The wildfire in New Jersey had ravaged more than 15,000 acres and was just 50% contained as of Thursday night.

A new study says nearly half of N.J. residents are living in areas that had unhealthy levels of air pollution.