The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

New York State, including the five boroughs and Long Island, was put under a heat advisory and air quality alert on Wednesday. The advisory issued by the National ...

Pollen and Air Quality forecast for Marquette, MI with air quality index, pollutants, pollen count and pollution map from Weather Underground.

Pollen and Air Quality forecast for Tempe, AZ with air quality index, pollutants, pollen count and pollution map from Weather Underground.