The Australian dollar sank after inflation was weaker than estimated in the third quarter, reinforcing the case for interest rates to remain on hold. A slowdown in Chinese manufacturing gauge added further pressure.
AUD/USD fell 0.3% to 0.7083, taking its decline this month to 1.9%.
Consumer prices climbed 0.4% q/q in 3Q, below economists' forecast for a 0.5% increase.
China's October manufacturing purchasing managers index fell to 50.2 from 50.8 in September, and missing median forecast of 50.6.
The Bloomberg Dollar Spot Index rose 0.1% while the 10-year Treasury yield was steady at 3.13%.
All G-10 currencies, except the yen, fell against the dollar this month with Scandinavian currencies and the pound leading losses.