Heavy fog has blanketed Sydney this morning, and is causing commuter delays.
People heading to the airport are being urged to check their flight status, as some flights have been delayed more than 40 minutes.
More than 40 flights have experienced delays so far, including at least eight international flights.
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Motorists are also being urged to take care on the roads, particularly in the south western, western and northern suburbs.
The fog is expected to breeze away from the city later this morning.
Experiences could be similar again tomorrow morning, according to the forecast, though aren’t predicted to be as bad.