Henderson, NV Pollen Count

What is the Henderson pollen count today?

The Henderson pollen count today is 26 out of 100 (Low) on the Pollen Atlas Total Pollen Index, driven mainly by Ragweed.

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

Henderson allergies today

Henderson allergies today are set by the same reading as the pollen count above: the Total Pollen Index is 26 (Low), driven mainly by Ragweed. When people ask about Henderson allergies, this is the number that answers them — one daily index built from today’s tree, grass, weed and mold readings for Henderson.

Allergies in Henderson follow the Nevada 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 Henderson 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 Henderson allergy forecast: today reads 26 (Low), and the day-by-day outlook shows whether Henderson 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 Henderson today records is this same combined reading — tree, grass, weed and mold in one index.

The Henderson allergy count today is 26 (Low) — the same Total Pollen Index as the pollen count above, in one combined reading.

Pollen count today Henderson: the 5-day forecast

Pollen Atlas forecasts Henderson’s pollen count to peak on Friday at 26 (Low) over the next 5 days.

Pollen by type in Henderson

• Henderson tree pollen count
• Henderson grass pollen count
• Henderson ragweed pollen count

What is driving Henderson’s pollen today

The shape of today’s 26 (Low) is set by weed pollen at 30 (Low on its own scale) — about 57% of the four category readings added together, 10 points clear of the next category, tree pollen at 20. 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 runs against the usual calendar — the Nevada weed chapter runs August to October — 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 Henderson, so the drivers have to be read from the category split above. The Nevada guide’s account of Nevada names mulberry, the headline pollen of the desert spring, with olive and ash — the pollens behind readings of this shape in this state — and the split shows how much of today’s total each category is actually carrying.

Across the five-day window the Total Pollen Index runs from 23 to 26, never changing band. Today’s 26 sits 2 points above the window’s average of 24.2 — a steady window, in which one day reads much like the next.

Plants affecting Henderson now

Detailed plant-by-plant readings for Henderson 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 20 (Low).

Grass pollen is one of the categories with a non-zero reading today, at 3 (Low).

Weed pollen is one of the categories with a non-zero reading today, at 30 (Low).

In the Mountain West pattern, the plants that typically shape this city’s year are spring trees and late-spring grasses in a compressed warm-season window — 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.

Henderson pollen through the year

Chapter by chapter, the Henderson pollen year runs like this:

• Juniper can arrive in late winter, and the main tree wave builds in spring — as late as April at Denver’s altitude.
• Grasses follow in a compressed early-summer run.
• Ragweed and sagebrush-family weeds close the year from late summer.

The Nevada allergy season guide names mulberry, the headline pollen of the desert spring, with olive and ash. Las Vegas imported its pollen: heavy producers — fruitless mulberry, olive and ash — were planted as street and yard trees across the valley, and tree pollen can build there as early as February. Clark County reporting has described local rules restricting new plantings of fruitless mulberry, adopted in response to the tree’s heavy pollen output; the mature trees already planted remain in place.

November falls between the main chapters of the Nevada 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 9 months of the Nevada year, February to October — leaving a quiet gap of roughly 3 months in the depth of the off-season. The full calendar is set out in the Nevada allergy season guide.

How to read this index

Pollen Atlas reports the Henderson 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.

Henderson in today’s national picture

At 26 (Low), Henderson ranks joint 32701st 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 Henderson: Whitney, NV (6 miles away) reads 27 (Low); Paradise, NV (8 miles away) reads 27 (Low); Winchester, NV (11 miles away) reads 27 (Low). Henderson reads 1 point lower than its nearest tracked neighbour today. Across Nevada’s 132 tracked cities, today runs from 5 in Carson City to 31 in Goodsprings.

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

Henderson in its local area

Henderson is a city in Clark County, Nevada. Its population is 324,523 (ACS 2023).

Across Nevada’s 132 tracked cities, Henderson ranks joint 21st today.

Like every Pollen Atlas city page, the Henderson, NV pollen count is refreshed each morning.

Nearby cities

• Whitney pollen count (6 miles away)
• Paradise pollen count (8 miles away)
• Winchester pollen count (11 miles away)
• Enterprise pollen count (11 miles away)
• Sunrise Manor pollen count (12 miles away)
• Las Vegas pollen count (13 miles away)

From Pollen Atlas News

• Nevada allergy season
• Ragweed season