Beijing's notoriously bad air quality has improved in recent years and the Chinese capital is expected to drop out of a list of 200 most polluted cities in the world this year, a data provider said Thursday, 12 September.
Beijing “is on track” to reduce PM2.5 -- tiny particles that are the deadliest air pollutants -- by nearly 20 percent this year compared to 2018, Swiss air purification technology company IQAir’s research arm AirVisual said.