WORLD AIR QUALITY REPORT
Why in News?
According to the World Air Quality Report prepared by IQAir, Delhi ranked 4th out of 50 of the world’s most polluted cities in terms of PM2.5 levels in 2022.
Out of 131 countries, India ranked 8th with a population weighted average PM2.5 level of 53.3 μg/m3 in 2022.
What are the Key Findings of the Report?