SOUTHEAST ASIAN CITIES AMONG WORLD'S MOST POLLUTED

Southeast Asian cities were among five most polluted in the world on Friday according to air-monitoring organisation IQAir, with Ho Chi Minh City ranked second-most polluted, with a population of 9,816,000, followed by Phnom Penh and Bangkok fourth and fifth, respectively.

In the Thai capital, a thick smog was seen covering the city's skyline. Workers, especially those who spend most of their time outdoors, were suffering.

"My nose is constantly congested. I have to blow my nose all the time," said motorcycle taxi driver Supot Sitthisiri, 55.

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