HIGH

10 active species

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4-Day Forecast:

Morning

Grass LOW

Tree X.HI

Weed LOW

Afternoon

Grass LOW

Tree HIGH

Weed LOW

Evening

Grass LOW

Tree HIGH

Weed LOW

Species	Level	Count
🌳 Field Elm	HIGH	54 grains/m³
🌳 Mediterranean Cypress	HIGH	50 grains/m³
🌳 Ash	MED	46 grains/m³
🌳 Alder	MED	43 grains/m³
🌳 Silver Birch	MED	34 grains/m³
+35 more tracked Box Elder Black Poplar Downy Birch Paper Birch Hazel Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Japanese Cedar Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Mesquite White Oak Holm Oak English Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Field Elm	MED	37 grains/m³
🌳 Mediterranean Cypress	MED	35 grains/m³
🌳 Ash	MED	32 grains/m³
🌳 Alder	MED	30 grains/m³
🌳 Silver Birch	MED	23 grains/m³
+35 more tracked Black Poplar Box Elder Downy Birch Paper Birch Hazel Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Japanese Cedar Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Mesquite White Oak Holm Oak English Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Field Elm	MED	36 grains/m³
🌳 Mediterranean Cypress	MED	33 grains/m³
🌳 Ash	MED	30 grains/m³
🌳 Alder	MED	29 grains/m³
🌳 Silver Birch	MED	22 grains/m³
+35 more tracked Box Elder Black Poplar Downy Birch Paper Birch Hazel Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Japanese Cedar Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Mesquite White Oak Holm Oak English Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Field Elm	MED	47 grains/m³
🌳 Mediterranean Cypress	MED	44 grains/m³
🌳 Ash	MED	40 grains/m³
🌳 Alder	MED	38 grains/m³
🌳 Silver Birch	MED	30 grains/m³
+35 more tracked Box Elder Black Poplar Downy Birch Paper Birch Hazel Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Japanese Cedar Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Mesquite White Oak Holm Oak English Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS

Last updated: 14:03 UTC

4-Day Forecast	Tree	Grass	Weed
Wed 20 May	HIGH	LOW	LOW
Thu 21 May	MED	LOW	LOW
Fri 22 May	MED	LOW	LOW
Sat 23 May	MED	LOW	LOW

Map of Brno (49.1951°, 16.6068°)

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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