Australian experts warn that the fires in the US are ''a direct reflection'' of the bushfires that ravaged Australia last summer.
At least 24 people have died in the blazes across Oregon, Washington state and California.
And, just like in Australia last summer, records are being broken.
In California alone this year, more than 2.3 million acres have burnt – almost the size of Lebanon - compared to 118,000 acres last year.
There have been more than 2,600 fires in California between 1 January and 7 September, and an almost 2,000 per cent increase in the area that has been burnt, according to local fire authorities.
Former NSW Fire and Rescue Commissioner Greg Mullins has helped to fight fires in California several times since the 1990s. He agrees the current wildfires are "a direct reflection" of what Australia faced.
"It's unprecedented," Mr Mullins told SBS News.
"The temperatures they're getting - you know, 49.4 (degrees) in the eastern suburbs of Los Angeles - nothing has ever come close."
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