Saturday, September 26

AI pollution monitor could forecast harmful particles in the air

A man is looking at the north gate of the Forbidden City lost in the smog of pollution from the top of the Coal Hill, Beijing

A man is looking at the north gate of the Forbidden City lost in the smog of pollution from the top of the Coal Hill, Beijing

David Gourhan/Alamy

MANY cities in China normally experience dangerous levels of PM2.5, the tiny particulate matter linked to some of the worst health effects from air pollution. Now it seems artificial intelligence could help us avoid the stuff.

Most air pollution forecasts are based on models that use maps of annual average air pollution emissions, the application of weather models and assumptions about chemical reactions. These can’t account for unforeseeable events, such as …