Australia; NSW
Australian researchers have used models to predict the worst sorts of days to do hazard reduction burning when the smoke pollution is most likely to affect Sydney. They modelled the spread of small particulate matter (PM2.5), a part of smoke pollution that can affect human health. They found that conditions producing the worst PM2.5 in Sydney include when there is low temperature, west to northwest winds in the Blue Mountains, an afternoon sea breeze and when large areas of hazard reduction burns are being conducted, particularly to the west and north of Sydney. The authors say they expect the models to be useful for scheduling hazard reduction burns in the Sydney area.
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