Grass Pollen Count in Berkley, CO — Today

Updated Saturday, November 7, 2026

Pollen by type in Berkley

What is the grass pollen count in Berkley today?

The Berkley grass pollen index today is 0.6 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

Berkley’s overall pollen count today is 21 (Low) across all types. See the full Berkley pollen count for the overall index and every type together.

Berkley is a census-designated place in Adams County, Colorado. Its population is 10,838 (ACS 2023).

Berkley Grass Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 721Low
Sunday, November 821Low
Monday, November 921Low
Tuesday, November 1021Low
Wednesday, November 1122Low

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 Berkley’s overall trend across the week. Today’s grass pollen reading is the headline above.

Species driving Berkley’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 Berkley is 0.6 (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 Berkley now — grass pollen

Detailed plant-by-plant readings for the grass pollen category were not returned in today’s source data for Berkley. The type summary stands: grass pollen reads 0.6 (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.

Berkley allergies today

Berkley allergies today are set by the same reading as the Berkley pollen count today: the Total Pollen Index is 21 (Low), and the grass pollen index on this page is 0.6 (Low) of it. When people ask about Berkley allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for Berkley.

Allergies in Berkley follow the Colorado calendar set out on the full Berkley 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 Berkley 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 Berkley allergy forecast for the grass pollen season: it shows whether Berkley 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 Berkley pollen count — all types, the overall index and today’s ranking context

Berkley tree pollen count

Berkley ragweed pollen count

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

See Berkley 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 Berkley, 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).