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An air quality warning has been issued for western Sydney as firefighters complete backburning.
Two hazard mitigation burns are underway in Kur-ring-gai Chase National Park and Katoomba.
Air quality alerts are currently in place for Richmond and Penrith, with the haze spreading over the city and residents.
Many residents had a sleepless night due to the strong smell of smoke,
Residents in affected areas are advised to take precautions by closing windows and doors until air quality improves.
These burns are one of many hazard mitigation operations carried out by the NSW National Parks and Wildlife Service each year, many with assistance from the NSW Rural Fire Service and Fire and Rescue NSW.
Two hazard mitigation burns are underway in Kur-ring-gai Chase National Park and Katoomba.
What is backburning?
Backburning, also known as controlled burning, is a technique used in fire management to reduce the severity and spread of wildfires. It involves deliberately setting fire under controlled conditions to burn vegetation in a controlled manner.
The purpose of backburning is to create a barrier of already burned soil that the wildfire cannot cross, thereby reducing fuel for the advancing fire and creating a safer area for firefighters to work from. B
By reducing the amount of fuel available to the wildfire, backburning can help contain the fire and protect life, property, and natural habitats.