The pressure of avian influenza infection for poultry in Finland is higher than ever. Since 2016, the virus has been detected in wild birds more frequently and in wider geographical areas than previously. We defined potential risk factors that could lead to the spread of avian influenza to poultry in Finland and assessed the spatio-temporal risk of transmission of avian influenza to poultry and the appropriate extent and time of the poultry housing order. The data used included BirdLife’s bird monitoring data, inspection protocols of farms joining the national poultry salmonella control programme, and the Finnish Food Authority’s register of animal keepers and the results of avian influenza surveillance, literature and expert interviews. The areas least susceptible to avian influenza are in northern and north-eastern Finland. The risk of exposure is lowest in winter. The poultry housing order reduces the risk of exposure, but there are areas and periods in Finland when the region or timing of the housing order could be changed. The current spring avian influenza situation in Europe could be considered when defining the period of the housing order. Good biosecurity is the most effective way to protect poultry. The report is written in Finnish.