If you're in Sydney this week, you might see or smell smoke from one of the hazard reduction burns that are occurring in and around the city.

The map below shows the hazard reduction burns that have been scheduled by the NSW RFS this week. You can find the latest information on current fires and scheduled hazard reduction burns on the RFS website.

Image: Scheduled hazard reduction burns around Sydney. Valid at 10:30am on Thursday. Source: NSW RFS

The largest fire on Wednesday and Thursday morning was occurring in the Blue Mountains, to the west and southwest of Penrith. Smoke from this fire settled across parts of western Sydney on Wednesday night and lingered into Thursday morning.

Images: A towering column of smoke to the west of Sydney on Wednesday. Source: Joel Pippard

Penrith recorded Poor to Very Poor air quality between midnight and 5am on Thursday. Some other parts of Sydney also experienced Fair air quality on Thursday morning, including Camden and Bringelly.

Smoke from the fires in the Blue Mountains is likely to drift across parts of western Sydney again on Thursday night and may linger into Friday morning.

Smoke from hazard reduction burning in the Blue Mountains had settled overnight, particularly in western Sydney. As the day warms up and winds increase this smoke is starting to move across Greater Sydney towards the coast. More information: https://t.co/L1h0thzqHN #NSWRFS pic.twitter.com/RdmLj0dU4u

— NSW RFS (@NSWRFS) April 21, 2021

Check the RFS website for the most up-to-date information on this week's fires.