Hazard reduction burns are affecting Sydney's air quality.
Sydneysiders have been warned to be aware of poor air quality caused by hazard reduction burns throughout the city.
A thick blanket of smoke engulfed much of Sydney on Tuesday, with parts of the city recording "hazardous" air quality throughout the day, prompting 60 ambulance call-outs for respiratory issues.
Almost a third of the cases related to young children, NSW Ambulance said.
While the smoke is expected to clear through Wednesday, Sydney's air quality is still forecast to be "poor".
Australian Associated Press
