Conducted by scientists in Australia and China, the study found that more than 90 per cent of days in southern and eastern Asia had concentrations of dangerous particulate matter exceeding the WHO ...

In addition to the pollution levels, the Air Quality Health Index (AQHI ... “serious” levels before the end of the day. “Hong Kong is affected by a continental airstream with high background ...

Hong Kong environmental authorities say 11 monitoring sites recorded air pollution levels posing a very high health risk and another flagged serious reading 'Winds will be weak during this weekend ...

Air pollution in Hong Kong has reached “serious” and “very high risk” levels across the city, authorities have said, with a recent spate of weak winds preventing the effective dispersal of dangerous ...