More content about air pollution:

Efforts to reduce air pollution should focus on neighborhoods with the worst health impacts

This story was recently updated with new data. Every year in NYC between 2017 and 2019 (The most recent data available. See all recorded years of …

ZAPPA: A tool to understand air quality policies

New York City’s air quality is generally good and has been improving over time. Still, air pollution threatens health: two pollutants, ozone and PM2.5 …

An update on air quality during COVID-19

On March 20, 2020, New York State announced the COVID-19 shutdown, officially known as NY Pause. In NYC, it lasted until June 8, 2020. With …

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 …

The public health impacts of PM2.5 from traffic air pollution

PM2.5—or fine particulate matter—are tiny particles that pollute the air and result from everyday urban activities like driving. PM2.5 can be solid or …

Air quality during COVID-19

What happens when NYC stays home? The COVID-19 pandemic upended the lives of all New Yorkers. The outbreak has affected many aspects of our daily …

Air quality snapshots: special findings from 10 years of NYCCAS

Skip Nav A traffic health threat: air toxics Noise levels that harm health The benefits of cleaner fuel Special monitoring for environmental justice …

Air quality in car-free areas

Does the air improve in car-free zones? People often ask us this, and it’s a great question. To answer, we turn to the NYC Community Air Survey, …

What our air quality monitors tell us about NYC's neighborhoods

In Part 1, we looked at data from the New York City Community Air Survey (NYCCAS) - a network of about 100 air quality monitors - to see if air …