‘I have to wear a mask all the time’: Hanoi’s smog hits crisis levels
- Posted on December 11, 2025
- By South China Morning Post
- 4 Views
‘I have to wear a mask all the time’: Hanoi’s smog hits crisis levels
On Thursday, Hanoi was the world’s fourth most-polluted city, with officials citing vehicles, industry, and crop burning for the poor air quality.
