South Asia air pollution fell in 2022, but remains major killer
A surprise improvement in air quality in South Asia in 2022 drove a decline in global pollution, with favourable weather a likely factor, a new report said Wednesday. But the region continues to breathe the world's most-polluted air, with its residents losing more than 3.5 years of life expectancy on average, the annual Air Quality Life Index (AQLI) warned. And globally, most countries h