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

pollen·today

Pollen Today in Terni, Italy

Current pollen levels, hourly forecast, allergy risk and outlook for Terni, Italy. Grass: Low · Mugwort: Low · Ragweed: Low

Current Pollen Levels

grains/m³
Grass
52050LowModerateHighVery High1Low
Mugwort
52050LowModerateHighVery High1Low
Ragweed
52050LowModerateHighVery High2Low

Select allergens for a personalized forecast

Pollen Outlook

grains/m³ peak
Grass
Today
1Low
3 Thu
1Low
4 Fri
1Low
5 Sat
1Low
Mugwort
Today
2Low
3 Thu
2Low
4 Fri
1Low
5 Sat
1Low
Ragweed
Today
19Moderate
3 Thu
16Moderate
4 Fri
21High
5 Sat
17Moderate

About Terni

CountryItaly, Umbria
TimezoneEurope/Rome (UTC+2)
Coordinates42.56° N, 12.64° E
Population≈ 111K

TodayTomorrow

Local time (GMT+2)

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.

Grass1 · Lowgrains/m³
5ModerateLow0Today Sep 2Tomorrow Sep 3
Mugwort1 · Low
5ModerateLow0Today Sep 2Tomorrow Sep 3
Ragweed2 · Low
5ModerateLow20Moderate0Today Sep 2Tomorrow Sep 30:0023°6:0020°12:0031°18:0033°0:0022°6:0020°12:0032°18:0034°
View detailed hourly pollen data

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

Today — Sep 2

HourGrassMugwortRagweed
00:00121
01:00121
02:00111
03:00111
04:00111
05:00111
06:00111
07:0011
08:00111
09:001119
10:001114
11:0018
12:0015
13:0015
14:0015
15:0014
16:0012
17:0012
18:0012
19:0012
20:00112
21:00121
22:00121
23:00121

Tomorrow — Sep 3

HourGrassMugwortRagweed
00:00121
01:00121
02:00121
03:00111
04:00112
05:00111
06:00111
07:00111
08:00111
09:001116
10:001116
11:001111
12:00110
13:0019
14:0017
15:0015
16:0014
17:0015
18:0016
19:0018
20:00117
21:00115
22:00114
23:00115

What to expect

Pollen in Terni today is led by ragweed, which tops out at 19 grains/m³ — a moderate reading — in the morning; right now the count sits at 2 grains/m³. Levels hold moderate or higher between roughly 09:00 and 12:00, easing off outside that window. Alongside ragweed, expect grass at 1 grain/m³ (low) and mugwort at 2 grains/m³ (low).

Tomorrow looks much the same, with another moderate peak in the morning. Over the coming 4 days the picture is Wednesday moderate, Thursday moderate, Friday high, and Saturday moderate — Friday looks the strongest.

Pollen snapshot

Now
Low
Today's peak
Moderate · 09:00
Tomorrow's peak
Moderate · 09:00
Main allergen
Ragweed
Temperature
29°

Pollen forecast in: Rome · Rimini · Acilia-Castel Fusano-Ostia Antica

Planning outdoor activities? Check UV index in Terni 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.