Pollen Today in Keszthely

Current pollen levels, hourly forecast, allergy risk and outlook for Keszthely, Hungary.

Birch: Moderate · Grass: Low · Alder: Low

Current Pollen Levels

grains/m³
Birch
101001000LowModerateHighVery High32Moderate
Grass
52050LowModerateHighVery High2Low
Alder
101001000LowModerateHighVery High<1Low

Select allergens for a personalized forecast

Pollen Outlook

grains/m³ peak
Birch
Today
34Moderate
17 Fri
103High
18 Sat
168High
19 Sun
56Moderate
Grass
Today
2Low
17 Fri
2Low
18 Sat
2Low
19 Sun
2Low
Alder
Today
1Low
17 Fri
0None
18 Sat
<1Low
19 Sun
0None

TodayTomorrow

Local time (GMT+2)

Birch32 · Moderategrains/m³
10Low100Moderate0Today Apr 16Tomorrow Apr 17
Grass2 · Low
5Low0Today Apr 16Tomorrow Apr 17
Alder<1 · Low
10Low0Today Apr 16Tomorrow Apr 170:0012°6:0011°12:0018°18:0019°0:0013°6:0011°12:0020°18:0021°
View detailed hourly pollen data

Detailed hour-by-hour pollen forecast for Keszthely — today and tomorrow. Pollen concentrations per allergen type for each hour.

Today — Apr 16

HourBirchGrassAlder
00:00121
01:0081
02:0061
03:0051
04:0031
05:0041
06:0061
07:00171
08:00191
09:00191
10:00322
11:00282
12:00171
13:00161
14:001911
15:002711
16:00281
17:002811
18:00251
19:00341
20:00232
21:00242
22:00241
23:00221

Tomorrow — Apr 17

HourBirchGrass
00:00211
01:00251
02:00361
03:00271
04:00241
05:00491
06:00821
07:0088
08:00951
09:001011
10:001031
11:00861
12:00821
13:00971
14:00811
15:00671
16:00561
17:00491
18:00421
19:00541
20:00411
21:00352
22:00392
23:00361

About Keszthely

CountryHungary, Zala County
TimezoneEurope/Budapest (UTC+2)
Coordinates46.77° N, 17.24° E
Population≈ 19.7K

Pollen forecast in: Enying · Lenti · Kaposvár

Planning outdoor activities? Check UV index in Keszthely on UVI.today

About the Pollen Forecast

What is a pollen forecast?

A pollen forecast predicts the concentration of airborne pollen grains (measured in grains per cubic meter) for a specific location and time. Pollen is released by trees, grasses, and weeds during their pollination seasons. Higher concentrations trigger worse allergy symptoms in sensitive individuals. This forecast uses data from the Copernicus Atmosphere Monitoring Service (CAMS).

How do I check the pollen forecast today?

This page shows the live pollen levels for your location using data from CAMS via Open-Meteo. You get current pollen concentrations for birch, grass, alder, mugwort, olive, and ragweed — plus an hourly forecast chart and tomorrow's outlook. Select your allergens to see personalized risk levels.

When are pollen levels highest?

Pollen levels vary by type: tree pollen (birch, alder) typically peaks in spring mornings, grass pollen peaks in late spring and summer afternoons, and weed pollen (mugwort, ragweed) peaks in late summer and fall. Warm, dry, windy days have higher pollen counts. Rain temporarily reduces airborne pollen. Check the forecast chart above for today's exact pollen trend.

How can I reduce pollen exposure?

Many people reduce pollen exposure by keeping windows closed on high-pollen days, showering after time outdoors, and using air purifiers. Check the pollen forecast before outdoor activities, and consult a healthcare provider for personal advice.

What is an allergy profile?

Your allergy profile tells us which pollen types trigger your symptoms. Different people react to different pollens — some are allergic to birch and grass, others to ragweed or olive. By selecting your allergens, you get a personalized risk assessment that only considers the pollen types relevant to you, rather than a generic overall forecast.

How are pollen risk levels calculated?

Risk levels are based on approximate pollen concentration thresholds per allergen type (grains/m³):

  • Tree pollen (birch, alder): Low ≤10, Moderate ≤100, High ≤1000, Very High >1000
  • Grass & weed pollen (grass, mugwort, ragweed): Low ≤5, Moderate ≤20, High ≤50, Very High >50
  • Olive pollen: Low ≤10, Moderate ≤50, High ≤200, Very High >200

Your risk is the highest level among your selected allergens. These approximate thresholds are commonly referenced in European aeroallergen research (EAN) and clinical guidelines.

Pollen & weather data: Open-Meteo.com (CAMS/Copernicus)

Pollen thresholds: European Aeroallergen Network (EAN)

Location data: GeoNames (CC BY 4.0)

pollen.today uses the IP2Location LITE database for IP geolocation.

Disclaimer

This website shows pollen concentration data for informational purposes only. It does not provide medical advice, diagnosis, or treatment recommendations.

Pollen concentrations are modeled forecasts based on meteorological data. Actual pollen levels may vary due to local vegetation, microclimates, and other factors. Data coverage is best in Europe.

If you experience severe allergy symptoms, consult an allergist or healthcare provider.

Pollen and weather data is sourced from third-party APIs (Open-Meteo/CAMS). We do not guarantee accuracy or availability. Data may be delayed or temporarily unavailable.

© 2026 Pollen.Today — a SimpleMeteo project