Air pollution is a critical global health issue, demanding innovative monitoring solutions. Traditional methods, reliant on ground stations, are expensive and geographically limited, hindering ...

It wasn’t that long ago that few people were monitoring the air—not the government, not its citizens. Today, weather apps provide estimates of outdoor air quality, and the government’s own air quality ...

The EPA's network consistently failed to capture air quality in communities of color across six major pollutants. The monitors are the key data source driving decisions about pollution reduction, ...

As extreme heat reshapes air quality, the network of 227 monitors is expected to help identify localized pollution hot spots.

Hourly concentrations of particulate matter rose to 6.7 times their pre-fireworks levels, according to an analysis ...

Reporting for this story was supported by the Nova Institute for Health. In the decades since Congress passed the Clean Air Act in the early 1960s, air quality monitoring has become one of the EPA’s ...

NEW DELHI, INDIA - NOVEMBER 3: A man rides his bicycle amid dense haze, smoke and low visibility, at Sarai Kale Khan, on November 3, 2019 in New Delhi, India. The air quality index hit 473 at 9 a.m, ...