Chestnut

Family: Fagaceae Common name: Castaño Allergenic: No Peak season: June — July +info

Thresholds

Low 0 — 14 grains/m³
Medium 15 — 49 grains/m³
High 50 — 99 grains/m³
Very high 100 + grains/m³

Levels by station

No station measured Chestnut in its latest reading. Out of season, microscope analysis does not cover every pollen type.

Last detected on Tuesday, May 26, 2026 at Madrid-Barrio Salamanca, with 6 grains/m³.

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Trend — last 30 days

Not enough data to generate the chart.