Heatwaves, wildfires and human-caused emissions exposed a third of the world’s population to extremely high ozone pollution in 2026, with Asia worst hit and wildfire smoke crossing oceans, an EU report said on Wednesday.
Some 34 percent of people worldwide faced "extremely poor" air quality between 1 January and 15 September, the EU's Copernicus Atmosphere Monitoring Service (CAMS) found in its first Atmosphere Watch review.