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Poor Air Quality Predicted in Several New England Areas for Friday, August 22

Release Date: 08/21/2003
Contact Information: Andrew Spejewski, EPA Press Office, 617-918-1014

BOSTON -- The U.S. Environmental Protection Agency is predicting unhealthy air quality for Friday, August 22, with elevated levels of ground-level ozone predicted for southern and eastern Connecticut, Rhode Island, eastern Massachusetts, and coastal Maine. Moderate levels of fine particles are also expected throughout New England for tomorrow which will result in hazy conditions.

Air quality should improve behind the cold front which is expected to move through New England late Friday.

Ground level ozone, the main ingredient of smog, is unhealthy when average concentrations exceed 0.08 parts per million over an eight-hour period. So far this year, there have been 15 days when ozone monitors in New England have recorded concentrations above this level. Ozone levels are also expected to exceed the health standard today. (A preliminary list of the unhealthy readings recorded so far this summer can be found at https://www.epa.gov/region01/airquality/o3exceed-03.html.)

Exposure to elevated ozone levels can cause serious breathing problems, aggravate asthma and other pre-existing lung diseases, and make people more susceptible to respiratory infection. Exposure to elevated particulate levels can increase the likelihood of respiratory symptoms in sensitive individuals, aggravate heart or lung disease and cause premature mortality in persons with cardiopulmonary disease and the elderly.

When smog levels are up, residents should refrain from strenuous outdoor activity, especially sensitive populations such as children and adults with respiratory problems. In addition, when particulate concentrations in the ambient air are elevated, people with respiratory or heart disease, the elderly, and children should limit prolonged exertion.

"We are expecting Friday to be another unhealthy air quality day in New England," said Robert W. Varney, EPA's New England regional administrator. "On these days, EPA and the medical community suggest residents limit strenuous outdoor activity."

Ground-level ozone (smog) is formed when volatile organic compounds and oxides of nitrogen interact in the presence of sunlight. Cars, trucks and buses give off the majority of the pollution that makes smog. Fossil fuel burning at electric powerplants, particularly on hot days, give off a lot of smog-making pollution. Gasoline stations, print shops, household products like paints and cleaners, as well as lawn and garden equipment also add significantly to the ozone smog.

Major sources of particulate pollution are factories, power plants, trash incinerators, motor vehicles, construction activity, and fires.

When air quality is forecast to be unhealthy, EPA asks the public to take ozone action. You or your employer can help get rid of ozone-smog by limiting the things you do that make air pollution. For instance:

• use public transportation, or walk whenever possible;
  
• if you must drive, car pool and combine trips;
  
• go to the gas station at night to cut down on gasoline vapors getting into the air during day light hours when the sun can cook the vapors and form ozone;
  
• avoid using gasoline powered engines, such as lawn mowers, chain saws, leaf blowers on unhealthy air days.

In order to help New England residents prepare for poor air quality this summer, EPA and the New England states provide real-time ozone data and air quality forecasts. The real-time air quality data and forecasts are available at http::/www.epa.gov/ne/oms. New at this web site this year is an interactive tool that allows individuals to access the most recent air quality index reading for ozone monitors in their area.

People can also sign up at this web address to receive air quality alerts from EPA's New England office. The alert program is a free service provided by EPA in conjunction with the New England states which automatically notifies you by e-mail or fax when poor air quality is predicted in your area.