Name: Pollen forecast for Rotterdam (2026-10-16)
Creator: Pollen Count
Published: 2026-10-16T15:25:44Z
License: https://pollencount.org/terms/

The pollen count in Rotterdam today is moderate, driven mainly by Mugwort.

MED

14 active species

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4-Day Forecast:

Morning

Grass MED

Tree LOW

Weed MED

Afternoon

Grass MED

Tree LOW

Weed MED

Evening

Grass LOW

Tree LOW

Weed LOW

Species	Level	Count
🌿 Mugwort	MED	9 grains/m³
🌿 Western Ragweed	MED	7 grains/m³
🌾 Cock's-foot	MED	7 grains/m³
🌾 Perennial Ryegrass	MED	7 grains/m³
🌾 Timothy Grass	MED	7 grains/m³
+35 more tracked Grass (mixed) Stinging Nettle Pigweed Fat Hen Ribwort Plantain Russian Thistle Giant Ragweed Common Sorrel Sagebrush Box Elder Alder Common Ragweed Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌾 Cock's-foot	MED	5 grains/m³
🌾 Perennial Ryegrass	MED	5 grains/m³
🌾 Timothy Grass	MED	5 grains/m³
🌾 Grass (mixed)	MED	5 grains/m³
🌿 Western Ragweed	LOW	4 grains/m³
+35 more tracked Mugwort Pigweed Fat Hen Ribwort Plantain Russian Thistle Stinging Nettle Giant Ragweed Sagebrush Common Sorrel Box Elder Alder Common Ragweed Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌿 Western Ragweed	LOW	4 grains/m³
🌿 Mugwort	LOW	4 grains/m³
🌾 Cock's-foot	LOW	3 grains/m³
🌾 Perennial Ryegrass	LOW	3 grains/m³
🌾 Timothy Grass	LOW	3 grains/m³
+35 more tracked Grass (mixed) Pigweed Fat Hen Ribwort Plantain Russian Thistle Stinging Nettle Giant Ragweed Sagebrush Common Sorrel Box Elder Alder Common Ragweed Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌿 Mugwort	MED	10 grains/m³
🌾 Perennial Ryegrass	MED	10 grains/m³
🌾 Cock's-foot	MED	9 grains/m³
🌾 Timothy Grass	MED	9 grains/m³
🌾 Grass (mixed)	MED	9 grains/m³
+35 more tracked Western Ragweed Russian Thistle Stinging Nettle Pigweed Fat Hen Ribwort Plantain Giant Ragweed Common Sorrel Sagebrush Box Elder Alder Common Ragweed Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS

Last updated: 15:25 UTC

4-Day Forecast	Tree	Grass	Weed
Fri 16 Oct	LOW	MED	MED
Sat 17 Oct	LOW	MED	LOW
Sun 18 Oct	LOW	LOW	LOW
Mon 19 Oct	LOW	MED	MED

Map of Rotterdam (51.9225°, 4.4792°)

More in Netherlands

The Hague Utrecht Amsterdam Eindhoven Groningen

What Pollen Levels Mean

LOW Symptoms are unlikely

MED Moderate risk of symptoms

HIGH Widespread symptoms likely

V.HI Expect significant symptoms

X.HI Extremely high symptom likelihood & severity