Some countries are known for having dangerously high pollution levels, poor sanitation, and large amounts of unmanaged waste. These problems are usually caused by overpopulation, industrial activity, ...

Less than one-fifth of the cities worldwide met the international criteria for clean air in 2024, a global study has found. The IQAir World Air Quality Report, which analysed data from over 40,000 air ...

Six out the world’s 10 most polluted cities are in India, while California has the worst air pollution in North America, a new report shows. New Delhi was the most polluted capital city globally, ...

Authorities in Lahore, Pakistan, deploy "anti-smog guns" to curb air pollution ahead of the winter smog season. Pakistan regularly ranks among the world's most polluted countries, with Lahore often ...

Delhi second most polluted city in India this January, Ghaziabad at top: CREA ...