There are more than 600 buildings still using No. 6 heating oil beyond the city's deadline.
The UES has higher concentrations of many pollutants than neighborhoods known for bad air.
The problem stems from the number of large buildings in the area burning pollution-emitting fuel.
The survey by the Brooklyn Hospital Center showed Greenpoint faces significant asthma problems.
The now-defunct power plant, which the neighborhood fought for years, will be demolished next year.
The current cleanup has potentially dangerous health effects, advocates and scientists warn.
Residents have complained about noise pollution and smog caused by traffic on 65th Place in Queens.
The city-wide Department of Health survey found Manhattan to have the worst air quality of all the boroughs.
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