TheNew York City Community Air Survey (NYCCAS) is the largest ongoing urban air monitoring program of any U.S. city. NYCCAS is a collaboration between the Health Department and Queens College of the City University of New York and tracks changes in air quality over time.
The New York City Community Air Survey: Neighborhood Air Quality 2008-2016 report fulfills the reporting requirement of Local Law 103 of 2015 which requires that the New York City Department of Health and Mental Hygiene conduct community air quality surveys and publish the results annually.
New York City has been collecting water quality data in New York Harbor since 1909. These data are utilzed by regulators, scientists, educators and citizens to assess impacts, trends and improvements in the water quality of New York Harbor.