Air quality deteriorated to dangerous levels in Sydney on Saturday following the ... which is at record high levels, he said. But pollution from ash and other particulate matter - or PM2.5 ...

Air quality in parts of Sydney is more than ten times worse than 'hazardous' levels with the bushfire haze choking the city set to hang around for days. An air quality index (AQI) above 200 is ...

Sydney’s air quality is currently worse than that of notoriously polluted ... Temperatures in Sydney’s east are forecast to reach a high of 34 degrees today, while the west will experience highs of up ...