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Australia fires: Smoke shrouds Sydney and Adelaide Australia fires: Smoke shrouds Sydney and Adelaide
(about 1 hour later)
Smoke from Australia's bushfire crisis has blanketed the major cities of Sydney and Adelaide.Smoke from Australia's bushfire crisis has blanketed the major cities of Sydney and Adelaide.
In Sydney, locals woke on Thursday to smoke which appeared worse than a fire-driven haze that was seen on Tuesday.In Sydney, locals woke on Thursday to smoke which appeared worse than a fire-driven haze that was seen on Tuesday.
Health officials issued warnings as air quality surpassed "hazardous" levels and some residents donned face masks.Health officials issued warnings as air quality surpassed "hazardous" levels and some residents donned face masks.
Fire conditions classified as "severe" or higher have affected all six states in the past week. Several states have faced "catastrophic" levels of danger.Fire conditions classified as "severe" or higher have affected all six states in the past week. Several states have faced "catastrophic" levels of danger.
Since last month, six people have died in massive bushfires which have caused the greatest damage in the eastern states of New South Wales (NSW) and Queensland.Since last month, six people have died in massive bushfires which have caused the greatest damage in the eastern states of New South Wales (NSW) and Queensland.
On Thursday, smoke from one of those blazes shrouded Sydney for the second time in three days, obscuring buildings and turning skies grey and orange.On Thursday, smoke from one of those blazes shrouded Sydney for the second time in three days, obscuring buildings and turning skies grey and orange.
Air pollution levels were worst in the city's centre and northern suburbs, with one reading nearly 10 times higher than the national standard.Air pollution levels were worst in the city's centre and northern suburbs, with one reading nearly 10 times higher than the national standard.
"The smoke is expected to continue for several days," warned the NSW Rural Fire Service."The smoke is expected to continue for several days," warned the NSW Rural Fire Service.
Some people described the air quality as the worst they had experienced.Some people described the air quality as the worst they had experienced.
Health officials reiterated calls for people to stay indoors and reduce physical activity, especially anyone with health conditions. About five million people live in Sydney, the state capital of NSW.Health officials reiterated calls for people to stay indoors and reduce physical activity, especially anyone with health conditions. About five million people live in Sydney, the state capital of NSW.
NSW Ambulance said it had received more than 60 calls for help for smoke-related health problems on Tuesday.NSW Ambulance said it had received more than 60 calls for help for smoke-related health problems on Tuesday.
Residents in Adelaide, the state capital of South Australia, also woke to heavy smoke blown from a major blaze west of the city.Residents in Adelaide, the state capital of South Australia, also woke to heavy smoke blown from a major blaze west of the city.
It was expected to clear later on Thursday but people there were also being urged to stay indoors, reported the Adelaide Advertiser.It was expected to clear later on Thursday but people there were also being urged to stay indoors, reported the Adelaide Advertiser.
Where is the fire danger? 'Like a dusty filter on Sydney'
Shaimaa Khalil, BBC News Australia correspondent
I woke up this morning with a sting in my throat and a cough, and immediately regretted leaving the windows open. The smell got me before I clocked the haze outside. It's like someone used a yellowish dusty filter on Sydney.
Many are likening the air quality to Delhi and Beijing. The smoke is coming from the north and is unlikely to clear today, according to forecasters.
On social media some are arguing that there isn't enough information about air quality and what people should do. And then of course there is the inevitable climate change debate and whether people in Australia should get used to a new normal.
Where is the fire danger now?
Scores of fires are raging across Australia, but the threat on Thursday is worst in Victoria and South Australia - where temperatures and winds have recently increased.Scores of fires are raging across Australia, but the threat on Thursday is worst in Victoria and South Australia - where temperatures and winds have recently increased.
Residents in South Australia have received emergency warnings after the state sweltered through 45C (113F) heat on Wednesday.Residents in South Australia have received emergency warnings after the state sweltered through 45C (113F) heat on Wednesday.
Officials in Victoria have issued a "code red" - its equivalent of a catastrophic warning - for the first time in a decade. The state endured the nation's worst fire disaster in 2009, when 173 people died on what became known as Black Saturday.Officials in Victoria have issued a "code red" - its equivalent of a catastrophic warning - for the first time in a decade. The state endured the nation's worst fire disaster in 2009, when 173 people died on what became known as Black Saturday.
Authorities warned residents in the state's north on Wednesday to evacuate immediately.Authorities warned residents in the state's north on Wednesday to evacuate immediately.
"Do not be there. If a fire occurs, you will not survive," said Steve Warrington, a local fire chief quoted by The Age newspaper."Do not be there. If a fire occurs, you will not survive," said Steve Warrington, a local fire chief quoted by The Age newspaper.
More than 50 fires are raging across NSW - where over 1.2 million hectares has been burnt since September. Authorities warn that forecast heat could intensify blazes later this week.More than 50 fires are raging across NSW - where over 1.2 million hectares has been burnt since September. Authorities warn that forecast heat could intensify blazes later this week.
The forecast has eased in Queensland, where fires continue to burn.The forecast has eased in Queensland, where fires continue to burn.
Tasmania also faces a "severe" threat level on Thursday - its most dangerous for the season. Western Australia has also faced emergencies in recent days.Tasmania also faces a "severe" threat level on Thursday - its most dangerous for the season. Western Australia has also faced emergencies in recent days.