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Environment: Jet pollution widespread around LAX

Twilight above Boston from a Jet Blue airliner.

Passenger jets are huge source of air pollution around busy airports, a new study finds.

Dangerous ultrafine particles measured up to 10 miles away from runways

Staff Report

FRISCO —Adverse health effects from jet planes extend much farther from airports than previously thought, according to health researchers with the University of Southern California who carefully measured air pollution around Los Angeles International Airport. The study found that LAX “should be considered one of the most important sources of PN in Los Angeles.”

Their study, published the American Chemical Society’s Environmental Science & Technology journal, shows that pollution from heavy airplane traffic can affect people as far as 10 miles from busy airports. Most previous studies had only sampled air quality within a couple of miles of airports, finding higher levels of pollutants, such as nitrogen oxides and small (ultrafine) particles less than 0.1 micron (about one-thousandth of the width of a human hair), that scientists attributed to airplane emissions. Continue reading

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