A MAN caught driving more than six times over the legal limit in Sydney's west, police say.

The 28-year-old allegedly blew 0.326 after being stopped at Toongabbie about 4pm (AEDT) yesterday.

Police will allege it is the third time in five years the South Wentworthville man has been charged with drink driving.

About an hour later, the man's partner was busted for the same offence, allegedly returning reading a reading of .150 - three times over the legal limit.

The 44-year-old woman was on her way to the police station to pick-up her partner, police said.

The pair have been charged with high-range drink driving and will appear at Fairfield Local Court on January 19.