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Air Pollution Monitoring

In order to understand how best to improve our air quality, the City has been engaged in monitoring air quality throughout all five boroughs at certain times. This effort helps the City improve its air quality policies and enforcement. DEP can also monitor the air quality for specific pollutants like asbestos during emergencies such as 9/11 or an event with wide-area impact.


North River H2S and Opacity Monitoring Reports

2014 Second Quarter H2S Report

2014 Second Quarter Opacity Report


East 116 Street and Park Avenue Building Collapse


New York City Community Air Survey

The New York City Department of Health and Mental Hygiene (DOHMH) partners with Queens College to conduct the New York City Community Air Survey (NYCCAS) which measures air pollution at roughly 150 locations in the New York City. This program studies how pollutants from traffic, buildings boilers and furnaces, and other sources impact air quality in different neighborhoods. NYCCAS monitors pollutants that cause health problems such as fine particles, nitrogen oxides, elemental carbon (a marker for diesel exhaust particles), sulfur dioxide and ozone.


Tree Debris Burning Disposal at Floyd Bennett Field

Hurricane Sandy brought down approximately 20,000 trees. The vast majority of the result tree debris was able to be composted or put to another beneficial use. There was a portion of this volume that was disposed of by burning in an air curtain burner and removing as ash. The opacity monitoring results and related information concerning the air curtain burner operation at Floyd Bennett Field can be viewed here.


Air Monitoring in Lower Manhattan

DEP monitored the ambient outdoor air for asbestos in lower Manhattan in response to the World Trade Center disaster, augmenting asbestos sampling performed by the EPA and other federal, state and city agencies.


World Health Organization Database: Outdoor Air Pollution in Cities

The World Health Organization (WHO) publishes global city air pollution data that shows the world's pollution hotspots. Data is available in charts, maps and downloadable spreadsheets



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