Barnwell, SC Pollen Count

Barnwell, SC · Last updated Friday, November 6, 2026

This page shows the most recent reading available for Barnwell — 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).

LowDominant Allergen: Weeds
Barnwell, SC · Sat, Nov 7

Total Pollen Index

The combined pollen level across all types (0–100).

Barnwell, SC

13index / 100
Low
0–40 Low41–60 Moderate61–100 High

Weeds Index

How active weeds pollen is today (0–100).

Barnwell, SC

14index / 100
Low
0–40 Low41–60 Moderate61–100 High

Pollen Types

Pick a pollen subtype to update the species forecast

Top Allergens for Barnwell:

5-Day Barnwell Overall Pollen Forecast

Bars are colored by severity (Low/Moderate/High).

Pollen count Barnwell residents check each morning

The Barnwell pollen count today is 13 (Low). The main driver is Ragweed, with weed pollen at 14 today. Tree pollen is the highest single category in the split at 14 (Low), ahead of weed pollen at 14 and grass pollen at 2. Below, the plant detail and the multi-day outlook show whether today is the pattern or the exception. 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 tree pollen, reading noticeably higher than the rest, which is why the split is printed on every Barnwell 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 Barnwell pollen forecast below — it is currently mixed, with Saturday the highest day in the window.

This is the pollen count Barnwell residents check each morning, built from the day’s tree, grass, weed and mold readings.

What is the Barnwell pollen count today?

The Barnwell pollen count today is 13 out of 100 (Low) on the Pollen Atlas Total Pollen Index, driven mainly by Ragweed.

Short answer for anyone searching pollen count today Barnwell: this page is updated every morning with the day’s modelled reading.

Barnwell allergies today

Barnwell allergies today are set by the same reading as the pollen count above: the Total Pollen Index is 13 (Low), driven mainly by Ragweed. When people ask about Barnwell allergies, this is the number that answers them — one daily index built from today’s tree, grass, weed and mold readings for Barnwell.

Allergies in Barnwell follow the South Carolina 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 Barnwell 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 Barnwell allergy forecast: today reads 13 (Low), and the day-by-day outlook shows whether Barnwell 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 Barnwell today records is this same combined reading — tree, grass, weed and mold in one index.

The Barnwell allergy count today is 13 (Low) — the same Total Pollen Index as the pollen count above, in one combined reading.

Pollen count today Barnwell: the 5-day forecast

DayTotal Pollen IndexBand
Friday, November 613Low
Saturday, November 718Low
Sunday, November 817Low
Monday, November 917Low
Tuesday, November 1017Low

Pollen Atlas forecasts Barnwell’s pollen count to peak on Saturday at 18 (Low) over the next 5 days.

Pollen by type in Barnwell

What is driving Barnwell’s pollen today

The shape of today’s 13 (Low) is set by tree pollen at 14 (Low on its own scale) — about 47% of the four category readings added together, level with weed pollen at 14. Tree readings are the fastest-moving of the four in their season, because species pollinate in sequence — a tree-led total can change character within a week. Tree pollen leading in November runs against the usual calendar — the South Carolina tree chapter runs February to May — so today’s lead is the model outranking the pattern, and this page reports the modelled reading first.

In the plant detail, Ragweed (weed) carries the strongest single plant reading, at a Universal Pollen Index of 1 (Very Low). None of the plants in today’s detail is one of the state guide’s signature names for South Carolina — a single day’s detail and a season’s pattern are different lenses, and both are printed on this page for that reason.

Across the five-day window the Total Pollen Index runs from 13 to 18, never changing band. Today’s 13 sits 3 points below the window’s average of 16.4 — a steady window, in which one day reads much like the next.

Plants affecting Barnwell now

One plant is listed in today’s detail for Barnwell.

  • Ragweed (weed): Universal Pollen Index 1 (Very Low) — present in today’s readings

Every pollen type, with photos and seasons: the pollen directory.

Barnwell pollen through the year

Three chapters make the South Carolina pollen year, and Barnwell follows them in the Southeast order. The tree chapter: trees can start as early as February and peak in April. The grass chapter: grasses follow in May and run through the summer. The weed chapter: ragweed runs from mid-August to the first frost. Mold is the quiet fourth player, sustained by river-valley humidity between the pollen waves.

South Carolina’s season opens in February in warm years and can still be going in November in the southern half of the state; Greenville ranked ninth in the AAFA’s 2025 Allergy Capitals report. Warm-season grasses such as Bermuda grass pollinate from late spring deep into summer, with mold layered over the humid middle of the year. The South Carolina guide singles out oak — the pine dust filming cars in the same weeks is a comparatively weak allergen.

November in Barnwell sits inside the weed chapter of the South Carolina year, in its closing weeks — the part of the calendar today’s readings should be judged against. Between them, the three chapters cover 10 months of the South Carolina year, February to November — a long season by national standards, with only a short quiet gap. The full calendar is set out in the South Carolina allergy season guide.

How to read this index

Pollen Atlas reports the Barnwell 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 Barnwell, SC 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.

Barnwell in today’s national picture

At 13 (Low), Barnwell ranks joint 72051st of the 90896 cities Pollen Atlas tracks today — in the middle of the national table. The highest reading in the country today is Serpa, Portugal at 53, and the lowest is Galiakberovo, Russia at 5. The whole table spans 48 points today — a wide-open day, when the top and bottom of the table are effectively in different seasons.

Around Barnwell: Snelling, SC (6 miles away) reads 12 (Low); Hilda, SC (8 miles away) reads 13 (Low); Kline, SC (8 miles away) reads 13 (Low). Barnwell reads 1 point higher than its nearest tracked neighbour today. Across South Carolina’s 472 tracked cities, today runs from 5 in Great Falls to 19 in Pelion.

Pollen totals are population numbers; symptoms are personal. The same reading can leave one Barnwell resident untouched and floor another, depending on which pollens they are sensitised to. If this pattern finds you every ragweed season, allergists in Barnwell, SC 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.

Barnwell in its local area

Across South Carolina’s 472 tracked cities, Barnwell ranks joint 71st today.

Like every Pollen Atlas city page, the Barnwell, SC pollen count is refreshed each morning.

Nearby cities

From Pollen Atlas News

See how Barnwell ranks in today's pollen count rankings — the worst cities for allergies today

See Barnwell on the US pollen map

Search the full allergist directory

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).