Name: Pollen forecast for Brno (2026-10-08)
Creator: Pollen Count
Published: 2026-10-08T17:55:56Z
License: https://pollencount.org/terms/

The pollen count in Brno today is high, driven mainly by Western Ragweed.

HIGH

17 active species

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4-Day Forecast:

Morning

Grass MED

Tree LOW

Weed MED

Afternoon

Grass MED

Tree LOW

Weed HIGH

Evening

Grass MED

Tree LOW

Weed V.HI

Species	Level	Count
🌿 Western Ragweed	HIGH	24 grains/m³
🌿 Giant Ragweed	HIGH	23 grains/m³
🌿 Mugwort	HIGH	19 grains/m³
🌾 Grass (mixed)	MED	14 grains/m³
🌾 Perennial Ryegrass	MED	13 grains/m³
+35 more tracked Timothy Grass Sagebrush Cock's-foot Pellitory-of-the-wall Upright Pellitory Russian Thistle Stinging Nettle Pigweed Fat Hen Ribwort Plantain Common Sorrel Common Ragweed Box Elder Alder Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌿 Western Ragweed	MED	11 grains/m³
🌿 Giant Ragweed	MED	11 grains/m³
🌿 Mugwort	MED	9 grains/m³
🌾 Perennial Ryegrass	MED	8 grains/m³
🌾 Timothy Grass	MED	8 grains/m³
+35 more tracked Grass (mixed) Cock's-foot Sagebrush Pellitory-of-the-wall Upright Pellitory Pigweed Fat Hen Ribwort Plantain Russian Thistle Stinging Nettle Common Sorrel Common Ragweed Box Elder Alder Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌿 Western Ragweed	MED	12 grains/m³
🌿 Giant Ragweed	MED	11 grains/m³
🌿 Mugwort	MED	9 grains/m³
🌿 Sagebrush	MED	6 grains/m³
🌿 Pellitory-of-the-wall	LOW	4 grains/m³
+35 more tracked Upright Pellitory Stinging Nettle Pigweed Fat Hen Cock's-foot Perennial Ryegrass Timothy Grass Ribwort Plantain Grass (mixed) Russian Thistle Common Ragweed Common Sorrel Box Elder Alder Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌿 Western Ragweed	HIGH	17 grains/m³
🌿 Giant Ragweed	HIGH	16 grains/m³
🌿 Mugwort	MED	13 grains/m³
🌿 Sagebrush	MED	8 grains/m³
🌾 Cock's-foot	MED	6 grains/m³
+35 more tracked Perennial Ryegrass Pellitory-of-the-wall Upright Pellitory Timothy Grass Grass (mixed) Russian Thistle Stinging Nettle Pigweed Fat Hen Ribwort Plantain Common Sorrel Common Ragweed Box Elder Alder Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS

Last updated: 17:55 UTC

4-Day Forecast	Tree	Grass	Weed
Thu 8 Oct	LOW	MED	HIGH
Fri 9 Oct	LOW	MED	MED
Sat 10 Oct	LOW	LOW	MED
Sun 11 Oct	LOW	MED	HIGH

Map of Brno (49.1951°, 16.6068°)

More in Czech Republic

Prague

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