Hạ Long, Vietnam Pollen Count
Hạ Long, Vietnam · Last updated Friday, November 6, 2026
This page shows the most recent reading available for Hạ Long — from Friday, November 6, 2026 (1 day ago) — not today's reading.
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).
Hạ Long, Vietnam
Weeds Index
How active weeds pollen is today (0–100).
Hạ Long, Vietnam
Pollen Types
Pick a pollen subtype to update the species forecast
5-Day Hạ Long Overall Pollen Forecast
Bars are colored by severity (Low/Moderate/High).
Pollen count Hạ Long residents check each morning
The Hạ Long pollen count today is 21 (Low). The main driver is Ragweed, with weed pollen at 23 today. That total sits on a narrow base: weed pollen is 23 while tree pollen is just 19 and grass pollen 12. Plant-by-plant detail for Hạ Long, Vietnam follows, along with the outlook for the days ahead. Pollen Atlas updated this count on Friday, November 6, 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 weed pollen or mold, reading noticeably higher than the rest, which is why the split is printed on every Hạ Long page.
Fall is ragweed season across most of the United States: ragweed plants release pollen from late summer into autumn, and weed pollen is typically the last major outdoor pollen category to fade as the weather cools. That pattern is why an autumn total is so often weed-led even when the headline number is low — tree and grass pollen have usually receded by then, leaving weed pollen, and on damp days mold, to make up most of what the index records.
To see whether today’s pollen level holds, check the 5-day Hạ Long pollen forecast below — it is currently mixed, with Friday the highest day in the window.
This is the pollen count Hạ Long residents check each morning, built from the day’s tree, grass, weed and mold readings.
What is the Hạ Long pollen count today?
The Hạ Long pollen count today is 21 out of 100 (Low) on the Pollen Atlas Total Pollen Index, driven mainly by Ragweed.
Short answer for anyone searching pollen count today Hạ Long: this page is updated every morning with the day’s modelled reading.
Hạ Long allergies today
Hạ Long allergies today are set by the same reading as the pollen count above: the Total Pollen Index is 21 (Low), driven mainly by Ragweed. When people ask about Hạ Long allergies, this is the number that answers them — one daily index built from today’s tree, grass, weed and mold readings for Hạ Long.
Allergies in Hạ Long follow the Vietnam 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 Hạ Long 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 Hạ Long allergy forecast: today reads 21 (Low), and the day-by-day outlook shows whether Hạ Long 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 Hạ Long today records is this same combined reading — tree, grass, weed and mold in one index.
The Hạ Long allergy count today is 21 (Low) — the same Total Pollen Index as the pollen count above, in one combined reading.
Pollen count today Hạ Long: the 5-day forecast
| Day | Total Pollen Index | Band |
|---|---|---|
| Friday, November 6 | 21 | Low |
| Saturday, November 7 | 15 | Low |
| Sunday, November 8 | 20 | Low |
| Monday, November 9 | 20 | Low |
| Tuesday, November 10 | 20 | Low |
Pollen Atlas forecasts Hạ Long’s pollen count to peak on Friday at 21 (Low) over the next 5 days.
Pollen by type in Hạ Long
What is driving Hạ Long’s pollen today
The shape of today’s 21 (Low) is set by weed pollen at 23 (Low on its own scale) — about 43% of the four category readings added together, 4 points clear of the next category, tree pollen at 19. A weed-led total is the classic late-year shape: tree and grass pollen have usually receded, leaving weed pollen — and on damp days mold — to make up most of what the index records. Weed pollen leading in November is a modelled reading, reported as modelled — no regional calendar is asserted for Vietnam, and the modelled value outranks any general seasonal expectation.
Plant-level detail is not in today’s feed for Hạ Long, 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 15 to 21, never changing band. Today’s 21 sits 2 points above the window’s average of 19.2 — a moving window, worth reading day by day rather than from the average.
Plants affecting Hạ Long now
Detailed plant-by-plant readings for Hạ Long 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 19 (Low).
Grass pollen is one of the categories with a non-zero reading today, at 12 (Low).
Weed pollen is one of the categories with a non-zero reading today, at 23 (Low).
In the Global pattern, the plants that shape this city’s year vary with its local climate and vegetation, and no single regional calendar is published for this area — 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.
Hạ Long pollen through the year
Chapter by chapter, the Hạ Long pollen year runs like this:
- Tree pollen seasons vary with local climate and vegetation, so this page reports the measured readings first and treats any calendar as background only.
- Grass pollen seasons vary with local climate and vegetation, and the measured value outranks any general seasonal expectation.
- Weed pollen seasons vary with local climate and vegetation, and no regional calendar is asserted for this area.
No Vietnam allergy season guide is published yet, so this page does not single out signature pollens for Hạ Long — the calendar above is the Global regional pattern, and the plant detail on this page names what today’s feed actually records.
November in Hạ Long is reported from its modelled readings, not from a regional calendar — no regional calendar is asserted for Vietnam, so the calendar alone explains little today, and the modelled split above carries the story. No Vietnam allergy season guide is published yet — this calendar follows the Global regional pattern. See Hạ Long pollen count rankings and Hạ Long on the pollen heatmap.
How to read this index
Pollen Atlas reports the Hạ Long 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 even in a month when Hạ Long, Vietnam pollen is usually more active. 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.
Hạ Long in today’s national picture
At 21 (Low), Hạ Long ranks joint 46929th 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 Hạ Long: Cẩm Phả, Vietnam (22 km away) reads 15 (Low); Haiphong, Vietnam (42 km away) reads 17 (Low); Thị Trấn Đông Triều, Vietnam (60 km away) reads 21 (Low). Hạ Long reads 6 points higher than its nearest tracked neighbour today. Across Vietnam’s 63 tracked cities, today runs from 8 in Ba Vì to 30 in Kon Tum.
Pollen totals are population numbers; symptoms are personal. The same reading can leave one Hạ Long resident untouched and floor another, depending on which pollens they are sensitised to. If this pattern finds you every season, allergists in Hạ Long, Vietnam 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.
Hạ Long in its local area
Hạ Long is in Hạ Long District, Quảng Ninh, Vietnam. Its population is 270,054 (GeoNames).
Across Vietnam’s 63 tracked cities, Hạ Long ranks joint 17th today.
Like every Pollen Atlas city page, the Hạ Long, Vietnam pollen count is refreshed each morning.
Nearby cities
- Cẩm Phả pollen count (22 km away)
- Haiphong pollen count (42 km away)
- Thị Trấn Đông Triều pollen count (60 km away)
- Hải Dương pollen count (77 km away)
- Chí Linh pollen count (80 km away)
- Bắc Giang pollen count (98 km away)
From Pollen Atlas News
See how Hạ Long 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).