Pollen Today in Šiauliai

Current pollen levels, hourly forecast, allergy risk and outlook for Šiauliai, Lithuania.

Birch: Moderate

Current Pollen Levels

grains/m³
Birch
101001000LowModerateHighVery High48Moderate

Select allergens for a personalized forecast

Pollen Outlook

grains/m³ peak
Birch
Today
475High
17 Fri
1614Very High
18 Sat
817High
19 Sun
356High
Alder
Today
<1Low
17 Fri
1Low
18 Sat
1Low
19 Sun
<1Low

TodayTomorrow

Local time (GMT+3)

Birch48 · Moderategrains/m³
10Low100Moderate1000High0Today Apr 16Tomorrow Apr 17
Alder0 · None
10Low0Today Apr 16Tomorrow Apr 170:0011°6:008°12:009°18:009°0:006°6:005°12:007°18:0012°
View detailed hourly pollen data

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

Today — Apr 16

HourBirchAlder
00:00411
01:00365
02:00217
03:00102
04:0061
05:0051
06:0049
07:0052
08:0041
09:0054
10:0048
11:0049
12:0059
13:00112
14:00141
15:00254
16:00318
17:00423
18:00475
19:00321
20:00401
21:00313
22:00247
23:00180

Tomorrow — Apr 17

HourBirchAlder
00:00118
01:0095
02:0075
03:00115
04:0085
05:0071
06:00391
07:0048
08:0039
09:0024
10:0030
11:0066
12:0062
13:00136
14:00283
15:00509
16:001108
17:001614
18:001447
19:001571
20:00977
21:00569
22:00410
23:00414

About Šiauliai

CountryLithuania, Siauliai
TimezoneEurope/Vilnius (UTC+3)
Coordinates55.93° N, 23.32° E
Population≈ 99.5K

Pollen forecast in: Panevezys · Mažeikiai · Salaspils

Planning outdoor activities? Check UV index in Šiauliai 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