Method for forming an air laid fibrous web, wherein an air born fiber stream is laid on a web shaped forming member, such as at wire (12;17), and the air laid fibrous web is bonded together. The air laid fibrous web is fed between two web-shaped forming members (11,12;17,18;19,20) and bonding of the fibrous web takes place either when this is located between the two web-shaped forming members or immediately after one forming member has left the fibrous web.