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

By Katherina Buchholz for Statista Countries in Central and Southeast Asia as well as in Eastern and Southern Europe have ...

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

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

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

By contrast, heavy pollution levels were found in Africa and Central & South Asia. All up, the five most polluted countries ...

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

The cities with the worst air pollution in North America were Ontario, Bloomington and Huntington Park – all in Southern ...

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

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

A new study reveals that these places in New York had poor air quality last year. See if your area is on the list.

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