Ji Zhongxing, 33, is being held in a detention centre in Chaoyang district after being arrested for detonating the bomb at the airport on July 21.
Chinese police have arrested a wheelchair-bound man, who set off a home made explosive at the Beijing International Airport on July 20 to highlight the brutal beating by security officials that paralysed him.
Two Chinese men were detained in separate incidents for making bomb threats to blow up an airport and a video game centre, Beijing Municipal Public Security Bureau has said.
The Chinese capital has retained its position as the world`s second busiest airport in 2012 just behind a US airport by handling 81.8 million people last year.
Beijing Capital International Airport said 199 flights were cancelled as the visibility at the airport was less than 200 meters.
Beijing airport has shut up to 36 smoking rooms in all of its 3 terminals.
A plane taxiing at the Beijing Capital International Airport bumped into a stationary plane due to thick fog, but no was injured in the incident.
Day in Pics: 31st January
Showbiz World - January 31, 2015
Playboy Super Bowl XLIX Party