Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have ...

The north-central part of the Prairies remains under a series of air-quality warnings. Environment Canada says wildfire smoke is contributing to the region's very poor air quality and could cause ...

People with chronic lung conditions and diseases should take their symptoms seriously when there are air quality alerts like ...

PITTSBURGH — Partly sunny, warm but another comfortable summer day ahead, highs will be in the low 80s. This mainly dry ...