Regional calendars and seasonal statistics for the United Kingdom's main pollen allergens

Pollen calendars are an effective way of bringing seasonal information to patients, healthcare professionals and pharmaceutical companies.1 Until now, there has only been one generalized pollen calendar available for the United Kingdom2 and very limited access to any recent seasonal statistics.3 Here, we present a set of regional pollen calendars and associated statistics to bring up‐to‐date information to patients and other users and to demonstrate spatial variation in the pollen seasons.