Smoke from wildfires burning in Canada has caused air quality alerts for parts of New York state, including New York City.

Hazy skies descend over the New York City area again on Tuesday, re-upping some air quality alerts related to Canadian wildfire smoke. As of 10 a.m., the air quality index was 121, which is considered unhealthy for sensitive groups.

An air quality advisory is in effect for New York City as smoke from Canadian wildfires continues to impact the region’s air, prompting health warnings.