Derrière Roussillon, c'est toujours les régions de Bourgoin Jallieu et Valence qui sont les plus touchées. Les index polliniques des autres régions ont tendance à baisser. Le risque devient moins élevé.
- Macon : 84
- Lyon : 117
- Bourgoin Jallieu : 378
- Roussillon : 442
- Grenoble : 57
- Valence : 397
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