Tag: poor air quality
Severe air pollution hits northern Vietnamese localities
VOV.VN - Air pollution intensified and spread across northern Vietnam on January 9, with Hanoi, Hung Yen, Hai Phong and Thai Nguyen recording poor to very poor air quality levels, according to official monitoring data.
Cold air weakens as temperatures rise, air pollution worsens
VOV.VN - A cold air mass that swept across northern and north-central Vietnam over the past two days, bringing rain and a sharp drop in temperatures, began to weaken on December 15, allowing temperatures to rise by 3-4°C, weather officials said.
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