Weather to blame for foggy Ho Chi Minh City: environment department
Saigon’s hazy skyline is due to a phenomenon known as photochemical smog, a common occurrence in September and October
Saigonese don't have the foggiest why it’s been foggy for days in city
Is it just fog or the city has been suffering from smog, a kind of air pollution?
Fine dust pollution threatens residents in Ho Chi Minh City
Air Quality Index in the metropolis has been at a high level over the past days