Air quality in big cities dramatically improved last month, said the Vietnam Environment Administration under the Ministry of Natural Resources and Environment.
The US consulate in Ho Chi Minh City said on January 7 it has helped install air monitoring equipment at 10 locations around the city.
It is recommended that in order to protect themselves from exposing to the dangers of ultra-fine dust, adults, children, pregnant women, people suffering from respiratory diseases should wear masks and glasses when working outdoors.
VOV.VN - Concerns are growing among residents across Hanoi regarding the poor quality of air that the city has been experiencing over the past few days.
Hanoi will roll out action programmes and plans to improve air quality in the city based on the outcomes of a French-funded air quality assessment project, said a municipal leader.