With Tuesday already labelled , the state's volunteer firefighters have begun dispatching in the thousands.
Some flew to the state's more worst-hit areas to join the firefighting effort.
Rural Fire Service volunteers prepare to board a plane ahead of Tuesday's catastrophic fire danger. Source: SBS / , Firefighter Dispatch
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More than 3,000 firefighters have been placed on standby ready to battle the day's fires.
NSW firefighters wait at the airport before a long day's work begins. Source: SBS / , Firefighter Dispatch
Another 80 aircrafts were also prepared to deploy around NSW.
Firefighters prepare to take to the skies as NSW's bushfire threat soars. Source: SBS / , Firefighter Dispatch
A catastrophic fire danger rating - the highest possible level - is in place for areas covering about 6 million residents.
Parts of Sydney have also been upgraded to a 'catastrophic' fire rating. Source: SBS / , Firefighter Dispatch
More than 50 fires are burning across NSW - about half of which are not contained.
A week-long state of emergency has been declared. Source: SBS / , Firefighter Dispatch
Australian Defence Force personnel have also been placed on standby to assist NSW's firefighters as needed.
NSW prepares for a day of bushfire emergency. Source: SBS / , Firefighter Dispatch
Fire danger ratings remain high in other parts of the country, with winds expected to pick up on Wednesday.
Country Fire Service volunteers are dispatched. Source: SBS / , Firefighter Dispatch
In NSW, three fires remain at "emergency level" - two near Taree in mid-north NSW and another in northern NSW's Torrington.
These firefighters rose with the sun to prepare for Tuesday's increased fire danger. Source: SBS / , Firefighter Dispatch
Winds up to 60km/h hit northern NSW on Tuesday morning and are expected to on Wednesday.
State Emergency Service volunteers also joined the effort. Source: SBS / , Firefighter Dispatch
NSW Fire and Rescue fighters were also sent around the state to areas most in need of assistance.
Fire and Rescue firefighters board a plane bound the fire zone. Source: SBS / , Firefighter Dispatch