The Sydney Morning Herald | Sydney air quality tipped to dip as crews backburn to contain fires The Sydney Morning Herald Sydneysiders are in for a hazy weekend as smoke enters the Sydney basin from backburning efforts to contain large blazes on the southern fringe. The Office of the Environment and Heritage has warned air quality in the basin is likely to be affected by ... Army bushfire smoke to cover Sydney homes Smoke blankets South Coast towns as firefighters battle Holsworthy blaze |