As wildfire smoke from Canadian blazes continues to degrade air quality across large parts of the United States, health experts are urging people to pay close attention to one simple piece of protecti...

New York City is giving out free KN95 masks as the region is enveloped in smoke from Canadian wildfires.

“The combination of dangerous heat and unhealthy air is a serious threat to New Yorkers’ health,” said Mayor Zohran Mamdani.