The 2025 edition of the report published by IQAir, a Swiss air quality technology company, is based on analysis of data from ...
China's air pollution improvements have slowed since 2021, with PM2.5 levels declining by just 0.5 micrograms annually ...
Pakistan topped the list of the world’s most polluted countries in 2025, with fine particulate matter (PM2.5) levels reaching ...
India is the sixth most polluted country in terms of levels of fine particulate matter, a major air pollutant, according to ...
Loni, located in India's Uttar Pradesh, topped the list of the world's most polluted cities with average PM2.5 levels of 112.5 micrograms per cubic metre ...
Fifteen years ago, Beijing's Liangma riverbanks would have been smog-choked and deserted in winter, but these days they are dotted with families and exercising pensioners most mornings. The turnaround ...
India is the sixth most-polluted country, when it comes to levels of fine particulate matter, a major air pollutant, ...