_:n7548e3daeca2470d9a6e04cb0ad85db0xb0
<http://schema.org/description>
"Sydney's air quality is already three times worse than at any moment in the past five years, but research is limited about the health effects of prolonged exposure to bushfire smoke."
<https://www.abc.net.au/news/2019-12-03/sydney-air-quality-smoke-haze-worse-this-bushfire-season/11755546>