Wildfire burns at least 2,500 acres in Wharton State Forest
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Smoke from the wildfire in New Jersey's Wharton State Forest is being smelled in New Jersey, Pennsylvania and Delaware.
New Jersey's Burlington County wildfire grows to 3,250 acres, 30% contained, causing smoke to trigger 'Code Orange' air quality alerts in Philadelphia.
Fire engines, helicopters and ground crews were being used to try to contain the blaze, which has been dubbed the Mines Sprung Wildfire.
If you're seeing smoke in the Harford County area, officials say don't worry. The smoke is due to the wildfires in New Jersey and Canada.
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.