“Nearly 2,000 children under five are dying every day from air pollution, which has overtaken poor sanitation and a lack of clean water to become the second biggest health risk factor for young children around the world.
More than 8 million deaths, of children and adults, were caused by air pollution in 2021.”
https://www.theguardian.com/environment/article/2024/jun/18/almost-2000-children-die-every-day-from-air-pollution-report-finds