A Code Orange Air Quality Alert is in effect for much of Southeastern Pennsylvania on Sunday, including Bucks, Chester, Delaware, Philadelphia and Montgomery counties, according to the Pennsylvania Department of Environmental Protection.

On Monday at 9:28 a.m. the Nation Service reported an air quality alert in effect until 11 p.m. for Sussex, Warren, Morris, Hunterdon, Somerset, Middlesex and Mercer counties.

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity and gusty winds.