Dust particles spread along Comet 209P/Linear's orbit may enter Earth's atmosphere, creating a meteor shower with a ZHR between 100 and 400 meteors/hr. Some media even speculate of a meteor storm with more than 1000 meteors an hour.
In Europe, the morning (3AM-6AM CET) of May 24th is predicted to be the best to observe. For North America best timing is around midnight May 23-24th.