Overview
- The advisory, which runs Monday from 11 a.m. to 11 p.m., covers the five boroughs, Long Island, Westchester and Rockland.
- State officials triggered the alert because ground-level ozone is forecast to top an Air Quality Index of 100.
- The DEC reported New York City’s AQI at 105, a level labeled Unhealthy for Sensitive Groups.
- Health leaders warn people with asthma or heart disease, older adults, and those exercising outside to ease activity and watch for symptoms.
- Meteorologists say the alert could be extended through Wednesday as heat holds, with midweek storms likely to cool and disperse pollutants.