Air quality has improved or remained steady across New York City since congestion pricing launched, city health department ...

“Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of ...

The campaign initiated by the Institute for Transportation and Development Policy helped 34 cities develop bike-friendly ...

If the air feels a little heavier today, you're not imagining it. A health advisory for elevated air pollution levels remains in effect through 11 p.m. today, Wednesday, June 25, across much of the ...

Health officials issued an air quality warning for the lower Hudson Valley, New York City and Long Island due to high ozone and particulate levels.

An air quality alert is in effect Thursday for NYC, Long Island, and part of New Jersey due to smoke from the Canadian wildfires.

There were no air quality alerts across the U.S. early Friday, following a flurry of warnings partly linked to wildfires in Canada.

Wildfire smoke from blazes burning in Canada is drifting across the city, contributing to a state air-quality alert for New Yorkers who work outdoors and those who have chronic breathing problems ...

Spend the weekend with Zohran Mamdani's answers to Streetsblog's mayoral candidate questionnaire from earlier this year.

Smoke from wildfires still raging in Canada is degrading air quality across the northern U.S., turning skies a murky orange ...