Vietnam’s capital has been blanketed in toxic air for weeks with one index briefly making Hanoi the world’s most-polluted city on Friday, putting pressure on authorities to take tougher action to tackle the smog.

VIETNAM: The country’s capital, Hanoi, has been blanketed in thick smog for weeks, pushing the city to the forefront of global air pollution concerns. In response, government officials are urging a shift to electric vehicles (EVs) to combat the growing environmental crisis.

Vietnam's capital Hanoi has been covered in thick smog over recent weeks, putting it at the top of a list of the world's most polluted cities.