The New York State Department of Environmental Conservation has issued an air quality alert throughout most of Western New York today.

The alert, in effect from 11 a.m. to 11 p.m., extends to Erie, Niagara, Orleans, Genesee, Wyoming, Cattaraugus and Chautauqua counties.

The environmenal agency says air quality levels outside are expected to be greater than an index of 100 for ozone.

When pollution levels are elevated, the New York State Department of Health recommends that “individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young and those with pre-existing respiratory problems such as asthma or heart disease.”

The state has created a toll-free air quality hotline: (800) 535-1345.