The air quality in the last six days of November was poor, with the index exceeding the permitted levels. According to the Hanoi Environment Protection Sub-department, at 10 am on the last day of November, the air quality index (AQI) at the monitoring station on Pham Van Dong street was 172. The AQI was 173 at the French Embassy on Ba Trieu street, 182 at the US Embassy on Lang Ha Road and 177 on Hang Dau street. The air quality in the last six days of November was poor, with the index exceeding the permitted levels. In Cau Giay populous district, the sky was dark at 8-10 am. And before that, on the night of November 30, on Xa Dan, Nguyen Trai and Belt Road No 3, the street lights were a blurry red. Fine dust in the air may not be visible during the day, but at night it is visible through change of the color of the streetlight system. Chi Mai Air pollution in Hanoi worsens as residents burn straw, fabrics The air quality in Hanoi is becoming worse than usual. In suburban … [Read more...] about Hanoians worried as air quality has become poor year-round