After starting last week, the large Mines Spung wildfire has grown over 3,000 acres over the weekend. According to the New Jersey Forest Service, the “Mines Spung Wildfire” was first reported around 11 a.

The worst air in the country on the morning of June 14 was in New Castle County because of a wildfire in New Jersey. The air quality index in Wilmington as of 9:45 a.m. was 227, which is "very unhealthy," according to AirNow. A monitor in Newark was at 240.

A wildfire in a New Jersey state forest in Burlington County grew to 400 acres Friday afternoon and forced the evacuation of a juvenile justice public school and a campground, fire officials said.

Fire engines, helicopters and ground crews were being used to try to contain the blaze, which has been dubbed the Mines Sprung Wildfire.

New Jersey firefighters have contained 60% of the Mines Spung Wildfire in Wharton State Forest, which has burned over 5,000 acres since Thursday. The

The blaze, dubbed the Mines Spung Wildfire, had burned through 4,200 acres and was 40% contained as of 8:30 a.m. Saturday, the New Jersey Forest Fire Service said in an update.

The Mines Spung Wildfire was first reported by a private aircraft flying over Shamong Township around 11 a.m. Friday. At least five structures are threatened and two places evacuated.

The stretch of Tuckerton Road between Washington Turnpike and Carranza Road is closed, as is Bulldozer Road and multiple local forest paths. Part of the Batona Trail, which winds through the Pine Barrens, is also closed. Hikers can't access the path between Carranza and Bulldozer roads.