A number of cities will be under a red flag warning Sunday, indicating an increased risk of fire danger according to the National Weather Service.

Multiple wildfires have erupted across New Jersey amid windy and dry conditions. New Jersey residents should be prepared for smoke conditions to last for several days, the New Jersey Forest Fire Service warned on Friday.

An air quality warning was issued for New York City, following a series of wildfires across the Tri-State area.

New York City had a weekend of mostly blue skies marred by acrid smoke and air-quality advisories after a series of brush fires, fueled by extremely dry conditions, erupted around the region. People sensitive to pollution were advised that the air quality through Sunday could be at unhealthy levels because of smoke and particulate matter.

Wildfires were burning from one end of New Jersey to the other on Friday after one of the driest months on record, leading New York City to issue smoke warnings and forcing farmers to take steps to protect their harvests.

A bout of dry weather in the Northeast has fueled wildfire conditions in New Jersey, with several fires burning in the state.