bad air

Several provinces and cities near Hanoi have air pollution levels classified as bad or poor.

Báo Tin Tức

31/12/2025

Hanoi's air quality is poor.

Báo Hải Phòng

17/11/2025

Many provinces and cities experience poor air quality both day and night, with Hanoi at a very poor level.

Việt Nam

10/11/2024