Although the city's air pollution weighs down on its residents, Hanoi, Vietnam, attracted a record 25 million visitors last ...

Levels of hazardous small particles, known as PM2.5, were measured at 266 micrograms per cubic metre in Hanoi early on Friday, the highest reading among a list of most-polluted cities, according to ...

Data from AirVisual, an independent provider of global air pollution figures, showed the PM2.5 concentration in the air was “currently 13.2 times” the World Health Organization’s annual guideline ...

Data from AirVisual, an independent provider of global air pollution figures, showed the PM2.5 concentration in the air was "currently 13.2 times” the World Health Organisation’s annual ...

This marked the highest reading among the world’s most polluted cities, according to AirVisual, a global air pollution monitoring platform. The increase in smog levels has exacerbated the ...

the highest reading among a list of most-polluted cities, according to AirVisual, which provides independent global air pollution information via a phone app.

according to AirVisual, which provides independent global air pollution information via a phone app. The South-east Asian country, a regional manufacturing hub with one of the fastest-growing ...

according to AirVisual, which provides independent global air pollution information via a phone application. The Southeast Asian country, a regional manufacturing hub with one of the fastest ...