Air pollution haze clouds airport in Laos
Footage shows an plane landing at the Luang Prabang Airport tarmac amid the thick mist on April 10. Swiss air monitor gave the country a ranking of 157 with 68 micrograms per cubic metre of PM2.5 particles in the air - more than 13 times the safe levels recommended by the World Health Organisation (WHO).
2023-04-11 14:07:48