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

pollen·today

Pollen Today in Oulu, Finland

Current pollen levels, hourly forecast, allergy risk and outlook for Oulu, Finland. Grass: Moderate · Mugwort: Moderate

Current Pollen Levels

grains/m³
Grass
52050LowModerateHighVery High19Moderate
Mugwort
52050LowModerateHighVery High7Moderate

Select allergens for a personalized forecast

Pollen Outlook

grains/m³ peak
Grass
Today
32High
20 Mon
42High
21 Tue
42High
22 Wed
44High
Mugwort
Today
7Moderate
20 Mon
11Moderate
21 Tue
23High
22 Wed
29High

About Oulu

CountryFinland, North Ostrobothnia
TimezoneEurope/Helsinki (UTC+3)
Coordinates65.01° N, 25.47° E
Population≈ 216K

TodayTomorrow

Local time (GMT+3)

Grass19 · Moderategrains/m³
5Low20Moderate0Today Jul 19Tomorrow Jul 20
Mugwort7 · Moderate
5Low0Today Jul 19Tomorrow Jul 200:0014°6:0012°12:0018°18:0019°0:0015°6:0012°12:0019°18:0019°
View detailed hourly pollen data

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

Today — Jul 19

HourGrassMugwort
00:00154
01:0094
02:00104
03:00134
04:00174
05:00215
06:00215
07:00207
08:00197
09:00197
10:00186
11:00186
12:00186
13:00216
14:00206
15:00203
16:00193
17:00183
18:00184
19:00194
20:00195
21:00216
22:00266
23:00326

Tomorrow — Jul 20

HourGrassMugwort
00:00306
01:00296
02:00276
03:00296
04:00246
05:00216
06:00236
07:00247
08:00248
09:00226
10:00196
11:00185
12:00184
13:00174
14:00184
15:00194
16:00214
17:00204
18:00207
19:00235
20:00277
21:00328
22:00409
23:004211

Pollen forecast in: Murmansk · East Helsinki · Espoo

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

What is the pollen level in Oulu today?

On July 19, Oulu reaches a peak pollen risk of High around 23:00, driven mainly by Grass pollen. Live levels are tracked for birch, grass, alder, mugwort, olive, and ragweed.

Pollen snapshot

Now
Moderate
Today's peak
High · 23:00
Tomorrow's peak
High · 23:00
Main allergen
Grass
Temperature
13°
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.