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.

The Vietnamese capital Hanoi topped the list of the world’s most polluted city on Friday, according to daily weather data. Data from AirVisual, an independent provider of global air pollution figures,