Data sharing
Air Quality and pollen data that support the findings of this study are available in the Arpae public repository. These data were derived from the following resources available in the public domain: https://apps.arpae.it/qualita-aria/bollettino-qa-provinciale/bo; https://www.arpae.it/index.asp?idlivello=117. Asthma outcomes, HR-ToF-AMS and MetOne data are available from the corresponding author upon reasonable request.