BUFFALO, N.Y. — Once again, an Air Quality Alert has been issued for Western New York until Sunday night. The alert runs until 11:59 p.m. Sunday and includes the entire region: Erie, Niagara, Orleans, Genesee, Wyoming, Chautauqua, Cattaraugus, and Allegany counties.

The New York State Department of Environmental Conservation has issued an Air Quality Health Advisory for Fine Particulates effective through midnight tonight for much of the state, including western,