Republican lawmakers are blaming Canada for not preventing and containing wildfires, whose smoke has fouled the air in ...

The hazy air hovering over US cities, including Chicago and New York, this summer is reminding Americans of just how ...

Code Yellow Air Quality or the moderate level for particle pollution is forecast for Thursday and Friday. This may cause health symptoms for groups of people in the unusually sensitive category.

A total of 18.5 million acres of forested land have burned since the beginning of the year, making this the second-worst year ...