Might be useful to some of us.. ??
https://www.sudouest.fr/sante/allergies/carte-allergies-en-france-quel-est-le-niveau-d-alerte-un-indice-pollen-publie-chaque-jour-par-atmo-23881616.php
you will be able to see from the map, there’s quite a change from last year
Here’s the link for this year 2026:
