Only seven countries met World Health Organization (WHO) air quality standards last year, data showed on Tuesday, as researchers warned that the war on smog would only get harder after the United ...
2024 IQAir World Air Quality Report Finds Only 17% of Global Cities Meet WHO Air Pollution Guideline
Mayaguez, Puerto Rico was the cleanest metropolitan area of 2024, with an annual average PM2.5 concentration ... said Frank Hammes, Global CEO of IQAir. "Air quality data saves lives.
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