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The New York City Community Air Survey

Neighborhood Air Quality 2008-2020 In 2007, the Health Department established the New York City Community Air Survey (NYCCAS), the largest ongoing …

Real-Time Air Quality

NYC’s air quality is generally good and has been improving over time. But hour to hour, there’s large variation in our air quality - even in …

Your Neighborhood's Air Quality

We combine data from our air quality monitoring network, NYCCAS, with other data to understand what makes one neighborhood’s air quality different …

Air quality

Air quality is a measure of the condition of the air around us. The less air pollution there is, the better the air quality. Like many cities, New …

Health impacts of air pollution

Air pollution is an important environmental threat to the health of New York City residents. Exposures to two common air pollutants, fine particulate …