VNN – By Gia Chinh, Viet Anh September 27, 2019 | 02:09 pm GMT+7

World ranking’s not the point, worsening air pollution is a fact, so deal with it instead of offering excuses and explanations, Hanoians say.
When Vietnam’s capital city was, albeit momentarily, declared the most polluted one in the world Friday morning, officials scrambled to explain that it was a seasonal transition and a periodical episode.