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.
Chad, in central Africa, is the world’s most polluted country, while California has the worst air pollution in North America, ...
The cities with the worst air pollution in North America were Ontario, Bloomington and Huntington Park – all in Southern ...
This story was produced in partnership with the Pulitzer Center. It is part three in a four-part series. Read part one here ...
Air shade management and multi sectoral approach key to counter city’s air pollution with focus on transport and waste ...
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 cities – 13 – are in the world’s most populous country, India ...