Tag: IQAir AirVisual
Hanoi ranks among world’s five most polluted cities
VOV.VN - Air quality in Hanoi deteriorated sharply on the morning of November 30, with multiple monitoring stations reporting air quality index (AQI) readings above 200, the city’s worst levels since the start of winter.
Hanoi tops list of world’s most air polluted cities today
VOV.VN - The air quality of Hanoi, the capital of Vietnam, reached an “unhealthy” level on October 7 morning, placing it at the top of the world’s most air polluted cities list.
Hanoi ranked as world’s second most air-polluted city
VOV.VN - The capital was placed second among the worst air-polluted cities in the world on March 4, according to data released by Switzerland-based air quality monitor IQAir AirVisual.
