There is currently hazard reduction burning happening across Sydney.
A backburn at Sydney Harbour National Park at Balgowlah Heights is currently underway.
This fire is currently spanning a 14 ha area according to the NSW Rural Fire Service, and is under control.
“The 14 hectares burn will involve two aircraft, and may create smoke that could be visible from the harbour,” National Parks and Wildlife Service area manager Stephen Higham said.
“Balgowlah Heights residents in the vicinity of the burn including Jellicoe Street, Tabulum Road, Cutler Road, Mulgowrie Crescent, Fisher Street, Nolan Place, Heathcliff Crescent and Bareena Drive may be affected by smoke.
“Parts of the Manly Scenic Walkway and other walking tracks located within and around the burn area will be closed for public safety while the burn is being conducted.
“Tania Park will be closed for public safety and is expected to be re-opened on tomorrow provided it is safe.
“The burn is expected to take two days to complete with mopping up continuing for a couple of days afterwards.
Other sites include Allambie Heights in the Northern Beaches and North Epping.
A fire at Mackel Airfield is also still burning, now at a size of 3200 ha near Holsworthy Range.
It is under control.
NSW Health advises people with asthma and those with respiratory issues should stay indoors, close windows and doors and follow their health plan.