A report by IQAir reveals that only 17% of cities globally meet air pollution guidelines, with Chad, Congo, Bangladesh, Pakistan, and India having the dirtiest air. India has six of the nine most polluted cities, with Byrnihat being the worst. The report highlights the lack of monitoring in many regions and the health risks associated with polluted air, including respiratory illnesses and cancer. Efforts to improve air quality are underway in some cities, but challenges remain, particularly with the recent reduction in data transparency from the US State Department. Teljes cikk (Euronews.com)