Air pollution remains a serious ... The only city outside of Asia is N’Djamena, Chad, highlighting the growing air quality crisis in parts of Africa. These cities far exceed the World Health ...

The only city outside of Asia featured on the list is N’Djamena, the capital of Chad in central Africa – which was named the country with the worst air pollution. Meanwhile the cities with the ...

All but one of the 100 cities with the world’s worst air pollution last year were in Asia, according to a new ... monitoring stations in countries in Africa, South America and the Middle East ...

The most polluted cities in the world last year have been revealed in a new study, with countries in Asia dominating the top 10, a new study suggests. Switzerland-based firm IQAir released its ...

Nine out of the world’s 10 cities with the worst air pollution are in South Asia. Concentrations of fine particulate matter (PM 2.5) in some of the region’s most densely populated and poor areas are ...