
Hanoi has become the world’s seventh most polluted capital city, even worse than Beijing, a new IQ AirVisual report says.
The city’s worsening air quality saw its average PM2.5 level last year rise to 46.9 micrograms per cubic meter of air from 40.8 in 2018, according to a report released this week by Switzerland-based air quality monitor, IQAir AirVisual.
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Han River in Danang City is being polluted by wastewater from nearby restaurants.