Targeted reduction of PM2.5 emissions is recommended, especially for cold climate regions where we observe higher concentrations of pollutants,"
airports situated in colder climates accumulated more pollutants like PM2.5 in the fall and winter, compared to airports in milder climates.
Air pollution kills approximately 7 million people every year worldwide. According to researchers from McGill University, airports are hotspots for airborne pollutants that are detrimental to human health and the Earth's climate