Daniel Westervelt News Today

Amanda HooverWhen a train carrying toxic chemicals derailed in a small town in eastern Ohio on February 3, reports soon appeared in national news outle

New York Citys normally good air quality rating recently plummeted to the worst of any major city in the world, as wildfire smoke drifted over the city from Canada.

New York City officials canceled outdoor recess and suggested the most vulnerable wear high quality masks after a thick haze that blanketed skies triggered an overnight purple alert, the highest and most dangerous level

Wildfire smoke holds a dangerous mixture of carbon monoxide and airborne particles.

Air quality levels are plummeting due to wildfires in Canada, which means it's time to finally buy an air purifier—and GQ's all-time favorite is on sale.

The social media platform helped push the story into the mainstream while also fueling misinformation and conspiracy theories.

First Air Quality Profile of Two Sub-Saharan African Cities Finds Troubling News Pollution Up to 5 Times Over International Guidelines Dan Westervelt setting up a low-cost air quality monitor. Ambient air pollution is a global public health crisis, causing more than 4.9 million premature deaths per year around the world. In Africa, it has surpassed AIDS as the leading cause of premature death. According to one study, air pollution—specifically, fine particulate matter (PM2.5)—may cause at l...