Allergic risk related to pollens in the Métropole de Lyon (last bulletin)

Pollen data: concentration of allergenic pollen in the air measured through a network of specific sensors.
Allergic risk: measurement of the health impact of exposure to atmospheric pollen using pollen, phenological and clinical data.
Since the amounts of pollen are very low between mid-October and mid-February, the allergic risk will remain zero throughout this period.