Grass Pollen Count in Basalt, CO

Last updated Friday, November 6, 2026

This page shows the most recent reading available for Basalt — from Friday, November 6, 2026 (1 day ago) — not today's reading.

Pollen by type in Basalt

What is the grass pollen count in Basalt today?

The Basalt grass pollen index today is 19 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Grass pollen is the dominant allergen in Basalt today. See the full Basalt pollen count for the overall index and every type together.

Basalt Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Friday, November 615Low
Saturday, November 715Low
Sunday, November 815Low
Monday, November 915Low
Tuesday, November 1015Low

Pollen Atlas models the daily detail as an overall index: day-by-day splits by individual pollen type are not part of the modelled data, so this table shows Basalt’s overall trend across the week. Today’s grass pollen reading is the headline above.

Species driving Basalt’s grass pollen

The modelled data reports grass as one combined index — there is no species-by-species split for grass anywhere in the data, so this page does not invent one. Today’s modelled grass index for Basalt is 19 (Low), and the 5-day overall trend above shows the shape of the week.

As regional context only — not as today’s readings — 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.

The Colorado allergy season guide singles out juniper, arriving ahead of the local tree season, and the ragweed and sagebrush-family weeds of late summer.

Plants affecting Basalt now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Basalt. The type summary stands: grass pollen reads 19 (Low) today.

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’s readings.

Plant detail returns here automatically on any day the feed includes it.

What this grass pollen level means

Low risk. Keep windows open; consider allergy meds only if sensitive.

Enjoy outdoor activities.

Grasses follow in a compressed early-summer run. This month sits outside the usual grass pollen window for the Mountain West pattern, so today’s grass pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The Colorado allergy season guide singles out juniper, arriving ahead of the local tree season, and the ragweed and sagebrush-family weeds of late summer.

Basalt allergies today

Basalt allergies today are set by the same reading as the Basalt pollen count today: the Total Pollen Index is 15 (Low), and the grass pollen index on this page is 19 (Low) of it. When people ask about Basalt allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Basalt.

Allergies in Basalt follow the Colorado calendar set out on the full Basalt page — the chapters, the plants behind them, and the 5-day forecast show whether today is typical for the season or an exception to it. If you are checking allergies today in Basalt before heading outdoors, the grass pollen split on this page is the part to read: it shows whether this pollen type is doing the work today, not just how high the total sits.

Read the five-day overall trend above as the Basalt allergy forecast for the grass pollen season: it shows whether Basalt allergies are set to ease or build across the week, day by day — the days to plan outdoor time around are the ones where the overall index steps down, not just today.

See the full Basalt pollen count — all types, the overall index and today’s ranking context

Basalt tree pollen count

Basalt ragweed pollen count

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

See Basalt on the pollen map

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

Colorado allergy season guide

Grass pollen season

Find an allergist in Basalt, CO

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).