New York City’s air quality has dropped to unhealthy levels for sensitive groups as smoke from Canadian wildfires drifts into the region, prompting officials to extend an air-quality alert through the weekend.

Smoke from Canadian wildfires is enveloping the Tri-State area, leading to an air-quality alert that has been extended through the weekend. "Air quality is unhealthy for sensitive groups, including older adults,

Around noon on Saturday, New York City Emergency Management issued an air quality health advisory as the Big Apple’s air quality index, or AQI, was forecast to reach 101 to 150.