Major air pollutants have declined in recent decades, but USA TODAY’s analysis shows wildfire smoke is taking their place.

Strong winds fan the fast-moving fires and smoke pollutes the air. In Los Angeles, air quality was between good and moderate in the early parts of the day on Tuesday. By sunrise on Wednesday ...

Badnawar (Madhya Pradesh): The residents of Badnawar faced a distressing situation on Friday evening as thick smoke from burning garbage enveloped the area around the Balwanti River. Starting ...