Which is the world’s most polluted city, as per “the US Air Quality Index”? June 30, 2021 / By Preparation Point / Ranking/ Performance Index Mcqs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn Karachi Delhi Lahore New York Beijing As per the US Air Quality Index Lahore is the most polluted city in the world, Delhi – India Kathmandu – Nepal Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn