Pollen Today in Tvarditsa

Current pollen levels, hourly forecast, allergy risk and outlook for Tvarditsa, Bulgaria.

Birch: Moderate · Grass: Low · Alder: Low

Current Pollen Levels

grains/m³
Birch
101001000LowModerateHighVery High13Moderate
Grass
52050LowModerateHighVery High1Low
Alder
101001000LowModerateHighVery High9Low

Select allergens for a personalized forecast

Pollen Outlook

grains/m³ peak
Birch
Today
61Moderate
17 Fri
98Moderate
18 Sat
77Moderate
19 Sun
14Moderate
Grass
Today
1Low
17 Fri
1Low
18 Sat
1Low
19 Sun
<1Low
Alder
Today
108High
17 Fri
143High
18 Sat
59Moderate
19 Sun
2Low

TodayTomorrow

Local time (GMT+3)

Birch13 · Moderategrains/m³
10Low100Moderate0Today Apr 16Tomorrow Apr 17
Grass1 · Low
5Low0Today Apr 16Tomorrow Apr 17
Alder9 · Low
10Low100Moderate0Today Apr 16Tomorrow Apr 170:009°6:008°12:0014°18:0017°0:008°6:007°12:0015°18:0018°
View detailed hourly pollen data

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

Today — Apr 16

HourBirchGrassAlder
00:0063
01:0073
02:0087
03:0085
04:001016
05:001117
06:001117
07:001018
08:001012
09:00128
10:001319
11:0014120
12:0016137
13:0018146
14:0021160
15:0024168
16:0028178
17:0034181
18:0041178
19:00611108
20:0039150
21:0016110
22:00817
23:00718

Tomorrow — Apr 17

HourBirchGrassAlder
00:00816
01:00816
02:0092
03:00102
04:0081
05:0062
06:0042
07:0042
08:0052
09:0078
10:0012119
11:0016153
12:0026182
13:0030189
14:0033194
15:0038177
16:0047170
17:0055189
18:00551101
19:00681125
20:00821143
21:0098198
22:0075162
23:0074160

About Tvarditsa

CountryBulgaria, Sliven
TimezoneEurope/Sofia (UTC+3)
Coordinates42.70° N, 25.90° E
Population6,519

Pollen forecast in: Radnevo · Gabrovo · Nova Zagora

Planning outdoor activities? Check UV index in Tvarditsa 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