Delhi is world’s most polluted capital city for 8th year, finds IQAir study | Delhi News
NEW DELHI: New Delhi remained the world’s most polluted capital city for the eighth consecutive year, according to the World Air Quality Report 2025, released on Tuesday by Swiss firm IQAir.The city recorded an annual PM2.5 concentration of 82.2 micrograms per cubic metre, nearly 16.4 times the WHO’s safe limit of five micrograms per cubic…