Johannesburg's air quality has never really been measured systematically. Like many other cities across the globe, scientists ...

In early June 2023, haze from record-setting wildfires in Canada traveled down the east coast of the United States. Major U.S. cities, including New York and Philadelphia, took turns atop the list of ...

That’s according to a new analysis from First Street, a nonprofit that assesses climate risks nationwide. First Street’s air quality model forecasts the number of bad air days — days with a level of ...

A major new global modelling study led by researchers at Stockholm Environment Institute (SEI) at the University of York challenges the international focus on air pollution. Published in The Lancet ...

Numerical air quality models have described the extent of severe negative impacts on air quality resulting from the record 2023 Canadian wildfires, demonstrating that almost the whole of the Northern ...

Researchers used community input to design Advanced Clean Truck (ACT) air-quality model experiments. Community asked for ACT policy simulations that convert 48% of medium- and heavy-duty vehicles into ...