More content about pm2.5:

ZAPPA: A tool to understand air quality policies

How do we know what air quality policies will have the biggest effect? New York City’s air quality is generally good and has been improving over time. …

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 …

Air quality

New York City’s air contains particles, drops of liquid, gasses, and other pollution that can affect health. Bad air quality can be particularly …

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 …

Tracking changes in New York City's sources of air pollution

As city life changes, so does its air quality, as sources of emissions that affect the city’s outdoor air quality, like truck traffic, building …

Breathe easy: NYC's air quality is improving

The air we breathe can have a major effect on our health — air pollution can make asthma worse and can cause heart disease, lung disease, strokes, and …