Red alert on pollen allergies in three quarters of France. Only Finistère is classified in green, 12 departments are in yellow for “medium’ risk.

This year, the pollen allergy period starts a little earlier than last year due to the mild temperatures recorded in February in France. According to the RNSA, cypress and ash pollens are important in the South-West to the South. In the rest of the country, hazel and alder pollens dominate. The RNSA considers that showers of rain forecast this Sunday could bring them a little respite by putting “pollens on the ground.