Delhi World’s Most Polluted Capital 2025
What is the IQAir Report Explained in the 2025 Reports Delhi has been named the world’s most polluted capital city for the eighth year in a row. The IQAir World Air Quality Report 2025, released this week, recorded Delhi’s annual average PM2.5 concentration at 82.2 µg/m³ — more than 16 times higher than the World … Read more