Adelaide Oval's enhanced security screening is under scrutiny after a flare was let off during last night's AFL match between the Crows and Geelong.

A 33-year-old man from Everard Park has been charged by police over the final quarter disturbance and barred from returning to the venue.

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Adelaide Stadium Management Authority executive Darren Chandler confirmed the man allegedly involved was not a member of Adelaide Football Club.

He said bad behaviour would not be tolerated by football fans.

"I'd like to commend the crowd for the way they handled the incident, apprehending the person until [police] arrived," he said.

"It's antisocial, it's dangerous and it has no place in football, or for that matter any other sport.

"We've made the decision to ban this person for all events at Adelaide Oval for life."

Adelaide Football Club condemned the incident, with club director Rod Jameson telling ABC Grandstand the club would be "all over it, really quickly".

"When you drive in underneath here ... the amount of security [staff] that actually check your car, under your car, in there, and then when you walk through, checking your bags," he said.

"So for that [flare] to be missed at a venue of that scale on a Friday night, national audience and everything about it, it's extremely poor.

"A lot of people will be looking into it to make sure that it never happens again, and I think it was remedied very quickly — but still should have never happened."

Adelaide Oval toughened security screening earlier in the year after the Manchester bombing in England.

Adelaide Football Club said it would discuss the incident with the Stadium Management Authority and South Australia Police before any further action was considered.

The Crows beat Geelong by 21 points in the top of the ladder clash, in front of 50,464 fans.

'Just not Aussie rules'

ABC Grandstand commentator Gerard Whateley described the incident as "extraordinarily rare".

"I can't recall being at an AFL game where that's happened before," he said.

"Whenever it happens in the round-ball code there's huge pressure on the club involved and on the governing body to make a stand.

"It's especially dangerous if you do see the set-up [of the standing area] where people are crowded shoulder-to-shoulder."

Jameson agreed with Whateley's assessment, saying it was "just not Aussie rules".

Flares have been associated with poor crowd behaviour at A-League matches, with Football Federation Australia taking extra steps to get rid of them from the game.