Data from more than 40,000 air quality monitoring stations in 138 countries, territories and regions were analyzed for the ...

The countries with the worst air quality included Bangladesh and India, according to an annual report from IQAir.

All but one of the world’s top 20 most polluted cities last year were in Asia, a new study shows. The majority of these ...

According to the ranking in IQAir's 2024 World Air Quality Report, these are the 10 U.S. cities with the worst pollution in ...

IQAir Global CEO Frank Hammes and IQAir Air Quality Science Manager Dr. Christi Chester Schroeder speak at a news conference ...

Nations in Central and Southeast Asia as well as in Eastern and Southern Europe have improved their air quality most since ...

By Eurasianet Tajikistan is the poorest country in Central Asia, and it also remains the most polluted, according to a recent survey of global air quality. The 2024 World Air Quality Report, compiled ...

Only seven countries met World Health Organization (WHO) air quality standards last year, data showed on Tuesday, as ...

Fewer than one in five global cities met World Health Organization air pollution standards in 2024 with Central and South ...

Chad, in central Africa, is the world’s most polluted country, while California has the worst air pollution in North America, ...