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, ...

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, ...

In a startling development, all forty cities ranked among the world’s most polluted on October 30, 2025, were from India, highlighting the country’s escalating air quality crisis. According to AQI ...