The Gunners have kicked off the Barclays Premier League season with three wins from four matches to sit two points behind Chelsea.
Almunia's position as first choice was the subject of much speculation over the summer, as Arsenal had bids for Fulham's Australia international Mark Schwarzer turned down.
Manager Arsene Wenger feels both Almunia and his deputy Lukasz Fabianski - who has also had a fair share of criticism - coped with the situation well.
Spaniard Almunia, 33, captained the side on the opening day at Liverpool, when he pulled off a fine save from Steven Gerrard's stoppage-time free-kick to help secure a point, and also came through a test of character in the 2-1 win at Blackburn Rovers before the international break.

EVERY CONFIDENCE
Almunia will again be the last line of defence when Arsenal open their 2010/2011 Champions League campaign at home to Portuguese side Braga on Wednesday night.
Fabregas, now closing in on full match sharpness after the World Cup, has every confidence in the Gunners' current number one.
"Manuel commanded the defence very well at Blackburn - but it is not just about one game or two or three," the Spain midfielder said.
"He is a well-loved player among everybody here and performs well for this club.
"We all wish him a super season and have a lot of trust."