Leirsund, Norway Pollen Count Today
Leirsund, Norway · Updated Saturday, November 7, 2026
Pollen Overview
Today's overall pollen level and the dominant type (trees, weeds, grass, or mold).
Total Pollen Index
The combined pollen level across all types (0–100).
Leirsund, Norway
Grass Index
How active grass pollen is today (0–100).
Leirsund, Norway
Pollen Types
Pick a pollen subtype to update the species forecast
5-Day Leirsund Overall Pollen Forecast
Bars are colored by severity (Low/Moderate/High).
This reading is the forecast point for Leirsund — 2 nearby places use the same point; Leirsund is 0.8 km from it.
Pollen count Leirsund residents check each morning
The Leirsund pollen count today is 11 (Low). No single plant stands out in today’s readings; the Grass category is the one the index is led by. The full split is tree pollen 0.6, grass pollen 14, weed pollen 0.6. The sections below break that headline number down by plant, by day and by what the band means in practice. Pollen Atlas updated this count on Saturday, November 7, 2026.
A Low band on the Pollen Atlas index means the Total Pollen Index has stayed in the lower part of the 0–100 scale. Readings in this band are built from low individual category values rather than from one large spike, and the category split above matters more than the headline number: a low total can still contain one category, such as grass pollen, reading noticeably higher than the rest, which is why the split is printed on every Leirsund page.
Outside its main late-spring and early-summer window, grass pollen usually appears as a small background value rather than the driver of the total. A low grass reading alongside a higher weed or mold value is a typical off-peak pattern. Grass should be read from its own value on this page, not assumed from the calendar: the index reports today’s modelled value, and the modelled value outranks any general seasonal expectation.
To see whether today’s pollen level holds, check the 5-day Leirsund pollen forecast below — it is currently holding, with Wednesday the highest day in the window.
This is the pollen count Leirsund residents check each morning, built from the day’s tree, grass, weed and mold readings.
What is the Leirsund pollen count today?
The Leirsund pollen count today is 11 out of 100 (Low) on the Pollen Atlas Total Pollen Index, driven mainly by Grass.
Short answer for anyone searching pollen count today Leirsund: this page is updated every morning with the day’s modelled reading.
Leirsund allergies today
Leirsund allergies today are set by the same reading as the pollen count above: the Total Pollen Index is 11 (Low), driven mainly by Grass. When people ask about Leirsund allergies, this is the number that answers them — one daily index built from today’s tree, grass, weed and mold readings for Leirsund.
Allergies in Leirsund follow the Norway calendar set out below — the chapters, the plants behind them, and the 5-day forecast on this page show whether today is typical for the season or an exception to it. If you are checking allergies today in Leirsund before heading outdoors, the split at the top of this page is the part to read: it shows which pollen is doing the work today, not just how high the total sits.
Read the five-day table on this page as the Leirsund allergy forecast: today reads 11 (Low), and the day-by-day outlook shows whether Leirsund allergies are set to ease or build across the week — the days to plan outdoor time around are the ones where the index steps down, not just today.
In practice, the allergy count Leirsund today records is this same combined reading — tree, grass, weed and mold in one index.
The Leirsund allergy count today is 11 (Low) — the same Total Pollen Index as the pollen count above, in one combined reading.
Pollen count today Leirsund: the 5-day forecast
| Day | Total Pollen Index | Band |
|---|---|---|
| Saturday, November 7 | 11 | Low |
| Sunday, November 8 | 11 | Low |
| Monday, November 9 | 11 | Low |
| Tuesday, November 10 | 11 | Low |
| Wednesday, November 11 | 12 | Low |
Pollen Atlas forecasts Leirsund’s pollen count to peak on Wednesday at 12 (Low) over the next 5 days.
Pollen by type in Leirsund
What is driving Leirsund’s pollen today
The shape of today’s 11 (Low) is set by grass pollen at 14 (Low on its own scale) — about 92% of the four category readings added together, 13.4 points clear of the next category, tree pollen at 0.6. Grass-led totals tend to hold a level for days at a time rather than spike and clear, because grasses pollinate over an extended period. Grass pollen leading in November runs against the usual calendar — the Norway grass chapter runs June to July — so today’s lead is the model outranking the pattern, and this page reports the modelled reading first.
Plant-level detail is not in today’s feed for Leirsund, so the drivers have to be read from the category split above — it shows how much of today’s total each category is actually carrying, and plant detail returns here automatically on any day the feed includes it.
Across the five-day window the Total Pollen Index runs from 11 to 12, never changing band. Today’s 11 sits 0 points below the window’s average of 11.2 — a steady window, in which one day reads much like the next.
Plants affecting Leirsund now
Detailed plant-by-plant readings for Leirsund were not returned in today\u2019s source data, so this section summarises the pollen types the index above is built from instead of listing individual plants.
Tree pollen is one of the categories with a non-zero reading today, at 0.6 (Low).
Grass pollen is one of the categories with a non-zero reading today, at 14 (Low).
Weed pollen is one of the categories with a non-zero reading today, at 0.6 (Low).
In the Nordic & Baltic North pattern, the plants that typically shape this city’s year are a compressed birch-led spring, a brief early-summer grass peak, and a short late-summer mugwort finish — named here as regional context only, not as today\u2019s measurements.
Plant detail returns here automatically on any day the source data includes it.
Every pollen type, with photos and seasons: the pollen directory.
Leirsund pollen through the year
The Leirsund pollen year runs in chapters, set by the Nordic & Baltic North pattern and the Norway calendar. Trees come first: the season is compressed: alder stirs first, and birch — the region’s signature spring pollen — peaks through May into early June. Grasses take the middle of the year: grasses own a brief early-summer peak, cresting around the first hay cutting in June and July. Weeds close it out: mugwort runs through August, and ragweed is scarce at these latitudes — the late window is short and light. Mold rises late in the short season, from decaying vegetation as the brief summer closes.
No Norway allergy season guide is published yet, so this page does not single out signature pollens for Leirsund — the calendar above is the Nordic & Baltic North regional pattern, and the plant detail on this page names what today’s feed actually records.
November falls between the main chapters of the Norway pollen year — the tail of one and the approach of the next — so the calendar alone explains little today, and the modelled split above carries the story. Between them, the three chapters cover 6 months of the Norway year, April to September — a compressed season, which is why its chapters arrive in quick succession. No Norway allergy season guide is published yet — this calendar follows the Nordic & Baltic North regional pattern. See Leirsund pollen count rankings and Leirsund on the pollen heatmap.
How to read this index
Pollen Atlas reports the Leirsund pollen count on a Total Pollen Index from 0 to 100, built from separate tree, grass and weed readings. The total is a summary, not an average of the three: a single strong category can lift it, and three quiet categories can hold it down whatever the month. Index values are a modelled pollen risk index computed by Pollen Atlas from open weather, vegetation and phenology data, calibrated against CDC/NAB season data, with plant detail by the Google Pollen API. The index is a modelled 0–100 scale, not a measured count, and figures update through the day, so a morning and an evening visit to this page can legitimately show different numbers.
Leirsund in today’s national picture
At 11 (Low), Leirsund ranks joint 79269th of the 90896 cities Pollen Atlas tracks today — in the middle of the national table. The highest reading in the country today is Beja, Portugal at 52, and the lowest is Los Ángeles de San Rafael, Spain at 5. The whole table spans 47 points today — a wide-open day, when the top and bottom of the table are effectively in different seasons.
Around Leirsund: Frogner, Norway (3 km away) reads 11 (Low); Lillestrøm, Norway (5 km away) reads 12 (Low); Strømmen, Norway (7 km away) reads 12 (Low). Leirsund reads exactly level with its nearest tracked neighbour today. Across Norway’s 342 tracked cities, today runs from 8 in Odda to 45 in Rygge.
Pollen totals are population numbers; symptoms are personal. The same reading can leave one Leirsund resident untouched and floor another, depending on which pollens they are sensitised to. If this pattern finds you every season, allergists in Leirsund, Norway can test whether tree, grass, weed or mold is the category that matters for you — the four readings at the top of this page are the starting point for that conversation.
Leirsund in its local area
Leirsund is in Lillestrøm, Akershus, Norway. Its population is 1,177 (GeoNames).
Leirsund anchors the forecast-point group of 2 places that share this reading. Within the group, Leirsund ranks joint 1st; across Norway’s 342 tracked cities, it ranks joint 315th today.
Like every Pollen Atlas city page, the Leirsund, Norway pollen count is refreshed each morning.
Nearby cities
- Frogner pollen count (3 km away)
- Lillestrøm pollen count (5 km away)
- Strømmen pollen count (7 km away)
- Sørumsand pollen count (9 km away)
- Ask pollen count (9 km away)
- Fetsund pollen count (9 km away)
From Pollen Atlas News
See how Leirsund ranks in today's pollen count rankings — the worst cities for allergies today
Pollen indexes: a modelled pollen risk index computed by Pollen Atlas from open weather, vegetation and phenology data, calibrated against CDC/NAB season data. Plant detail: Google Pollen API. Index values are modelled, not measured counts. Sources: CDC/NAB; USA-NPN; GBIF (CC BY); ESA WorldCover (CC BY 4.0).