Pollen forecast for Korolyov. Data as of (Europe/Kyiv). Values update hourly — see this page for the current reading and hourly forecast.

pollen·today

Pollen Today in Korolyov, Ukraine

Current pollen levels, hourly forecast, allergy risk and outlook for Korolyov, Ukraine. Grass: Low · Mugwort: Low · Ragweed: Moderate

Current Pollen Levels

grains/m³
Grass
52050LowModerateHighVery High2Low
Mugwort
52050LowModerateHighVery High2Low
Ragweed
52050LowModerateHighVery High15Moderate

Select allergens for a personalized forecast

Pollen Outlook

grains/m³ peak
Grass
Today
2Low
5 Sat
2Low
6 Sun
2Low
Mugwort
Today
2Low
5 Sat
4Low
6 Sun
2Low
Ragweed
Today
45High
5 Sat
22High
6 Sun
12Moderate

About Korolyov

CountryUkraine, Zhytomyr Oblast
TimezoneEurope/Kyiv (UTC+3)
Coordinates50.24° N, 28.70° E
Population≈ 114K

TodayTomorrow

Local time (GMT+3)

Each panel is one allergen: the line is its forecast concentration in grains per cubic metre, hour by hour across today and tomorrow. The dashed lines mark where it crosses into low, moderate and high. Those thresholds differ per pollen type, so the same height means different things from panel to panel. An allergen is left out when your profile excludes it, or when no pollen is forecast for it over these two days.

Grass2 · Lowgrains/m³
5ModerateLow0Today Sep 4Tomorrow Sep 5
Mugwort2 · Low
5ModerateLow0Today Sep 4Tomorrow Sep 5
Ragweed15 · Moderate
5ModerateLow20HighModerate50High0Today Sep 4Tomorrow Sep 50:0016°6:0012°12:0022°18:0021°0:0017°6:0018°12:0022°18:0022°
View detailed hourly pollen data

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

Today — Sep 4

HourGrassMugwortRagweed
00:00221
01:00111
02:00111
03:0011
04:00
05:00
06:00
07:00
08:003
09:0045
10:001224
11:001222
12:001218
13:002215
14:002213
15:00229
16:00225
17:00212
18:00111
19:00221
20:0022
21:0022
22:0022
23:0022

Tomorrow — Sep 5

HourGrassMugwortRagweed
00:0022
01:00221
02:00222
03:002311
04:002315
05:002313
06:002412
07:00235
08:00114
09:001122
10:001111
11:0017
12:00116
13:00115
14:00114
15:00113
16:00112
17:00111
18:00211
19:00211
20:00211
21:00211
22:00211
23:00211

What to expect

Ragweed is the allergen to watch in Korolyov today, reaching 45 grains/m³ (high) in the morning; at the moment it measures 15 grains/m³. Levels hold moderate or higher between roughly 09:00 and 15:00, easing off outside that window. Alongside ragweed, expect grass at 2 grains/m³ (low) and mugwort at 2 grains/m³ (low).

Tomorrow looks much the same, with another high peak in the morning. Over the coming 3 days the picture is Friday high, Saturday high, and Sunday moderate, and today marks the peak of it.

Pollen snapshot

Now
Moderate
Today's peak
High · 09:00
Tomorrow's peak
High · 09:00
Main allergen
Ragweed
Temperature
23°

Pollen forecast in: Dniprovskyi · Bila Tserkva · Pinsk

Planning outdoor activities? Check UV index in Korolyov 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.

Pollen risk levels

None
Low
Moderate
High
Very High

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.