Global air pollution poses huge risk to human health, Air Quality Life Index finds
South Asian residents expected to lose five years from lives on average if current high pollution levels persist
Strong air pollution policies lengthen life expectancy, new data shows
Falling short of WHO guidelines could cut more than two years from average lifespan
Air pollution reduces global health expectancy by two years, study finds
Pollution threat continues to loom as major worldwide threat, but problem areas have changed
