world's most polluted capital

Swiss company IQAir's 2020 World Air Quality Report listed New Delhi as the world's most polluted capital for the third consecutive year. The city's dismaying new title emanated from the high concentration of lung-damaging airborne particles known as PM2.5. Reportedly, New Delhi's average annual concentration equalled 84.1 in PM2.5/cubic meter of air, causing nearly 54,000 premature deaths. Further, listing Beijing on 2nd spot, the report… read-more