- Patna is 7th most polluted city in the world for air quality. Ranking of Patna is 7th in in air quality.
- World Air Quality Report jointly compiled by IQAir AirVisual and Greenpeace, the annual level of PM 2.5 ( less than 2.5 microns) in 2018 was 119.7 microgram per cubic meter in Patna. It fall under unhealthy air.
Wednesday, August 05, 2020