Firefighters are bracing for a long night ahead. Full details, 6.00pm in 9News
Hazy skies and smoky air has become the norm in recent days for millions of Australians living in cities and towns affected by the bushfire emergency.
Stinging eyes and a raw throat are not the only potential health effects of the pollution, which authorities warn could get worse during summer.Smoke from bushfires is made up of small particles, gases including carbon monoxide, carbon dioxide, nitrogen oxides, and water vapour.They are generally too large to breathe deeply into the lungs but can irritate the nose and throat.
Fire smoke also contains finer microscopic particles and gases that are small enough to breathe deep into the lungs.
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