Hong Kong Island is obscured by haze during a high-pollution day in the city. Photo: SCMP
Pollution in skies over Hong Kong hits seven-year high, despite government report saying emissions in decline
- Concentration of harmful ozone gas in Pearl River Delta region worst since 2011
Follow your favourite topic and get notified
Hong Kong Island is obscured by haze during a high-pollution day in the city. Photo: SCMP
