The New Jersey Department of Environmental Protection today warned that ozone levels are forecast to reach unhealthy levels for sensitive groups category across New Jersey today and tomorrow.
The NJ DEP attributed the spike in ozone levels to west/southwest winds, mostly sunny skies, and hot temperatures. They warned that sensitive individuals including the very young, the elderly, and persons with respiratory diseases such as asthma, should avoid strenuous outdoor activities during the afternoon and early evening hours. In addition, fine particles are forecast to reach the moderate category across the Garden State.
According to the NJ DEP air quality website, New Jersey's air quality is based on the National Air Quality Index System, which looks at five major pollutant levels currently in the air and compares those pollutant levels to established health standards before giving the air a rating or grade, such as "good" or "unhealthy."