If the air feels a little heavier today, you're not imagining it. A health advisory for elevated air pollution levels remains in effect through 11 p.m. today, Wednesday, June 25, across much of the Hudson Valley,

At 3:20 p.m. on Monday, the National Weather Service reported an air quality alert in effect until Tuesday at 11 p.m. for Bristol, Plymouth, Barnstable, Dukes and Nantucket counties.

Th Department of Environmental Management (DEM) has issued an Air Quality Alert for Tuesday due to elevated concentrations of ground-level ozone.