Large plumes of smoke from wildfires currently burning across Canada are affecting air quality across large parts of the country and the northeastern United States, including New York, which will host the World Cup final this Sunday. This footage from the Copernicus Atmosphere Monitoring Service (CAMS) shows the cumulative estimated carbon emissions from 13 to 20 July 2026, along with forecasts of organic matter aerosol optical depth. Wildfire emissions contain toxic pollutants that are harmful to human health. New York State, which will host thousands of football spectators this weekend, was already under an Air Quality Advisory on Thursday, 16 July, because of unhealthy air pollution levels. Atmospheric science provides the tools to anticipate and track extreme air pollution events, including wildfire smoke and other transboundary hazards that affect millions of people across continents. Monitoring and forecasting enable governments and National Meteorological and Hydrological Ser...