Tree Pollen Count in North Fair Oaks, CA — Today

Updated Saturday, November 7, 2026

This reading is the forecast point shared with Redwood City, CA — 2 nearby places use the same point; North Fair Oaks is 1.5 km from it.

Pollen by type in North Fair Oaks

What is the tree pollen count in North Fair Oaks today?

The North Fair Oaks tree pollen index today is 29 (Low) on Pollen Atlas’s modelled 0–100 scale. Low

Modelled pollen risk index — not a measured count.

North Fair Oaks’s overall pollen count today is 26 (Low) across all types. See the full North Fair Oaks pollen count for the overall index and every type together.

North Fair Oaks is a census-designated place in San Mateo County, California. Its population is 13,327 (ACS 2023).

North Fair Oaks Tree Pollen Count: 5-Day Forecast

DayOverall indexCategory
Saturday, November 726Low
Sunday, November 825Low
Monday, November 925Low
Tuesday, November 1025Low
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 North Fair Oaks’s overall trend across the week. Today’s tree pollen reading is the headline above.

Species driving North Fair Oaks’s tree pollen

Species-level counts are not part of the modelled data Pollen Atlas publishes — the modelled index is reported per pollen type, not per species — so this section gives the type summary: tree pollen reads 29 (Low) today. The plant-by-plant detail that is available, from the Google Pollen API, is in the next section.

Plants affecting North Fair Oaks now — tree pollen

Detailed plant-by-plant readings for the tree pollen category were not returned in today’s source data for North Fair Oaks. The type summary stands: tree pollen reads 29 (Low) today.

In the California pattern, the plants that typically shape this city’s year are winter and spring trees, late-spring grasses and late-summer weeds — 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 tree pollen level means

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

Enjoy outdoor activities.

Trees build through spring, with planted olive peaking from March into May. This month sits outside the usual tree pollen window for the California pattern, so today’s tree pollen reading is the modelled value outranking the calendar — this page reports the modelled reading first. The California allergy season guide singles out planted olive and the Central Valley’s concentrated spring pollen.

North Fair Oaks allergies today

North Fair Oaks allergies today are set by the same reading as the North Fair Oaks pollen count today: the Total Pollen Index is 26 (Low), and the tree pollen index on this page is 29 (Low) of it. When people ask about North Fair Oaks allergies, this is the number that answers them — one daily modelled index built from today’s tree, grass and weed index values for North Fair Oaks.

Allergies in North Fair Oaks follow the California calendar set out on the full North Fair Oaks 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 North Fair Oaks before heading outdoors, the tree 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 North Fair Oaks allergy forecast for the tree pollen season: it shows whether North Fair Oaks 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 North Fair Oaks pollen count — all types, the overall index and today’s ranking context

North Fair Oaks grass pollen count

North Fair Oaks ragweed pollen count

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

See North Fair Oaks on the pollen map

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

California allergy season guide

Tree pollen season

Find an allergist in North Fair Oaks, CA

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).