Watsonville pollen forecast - today, tomorrow and the week ahead

Today (25 June) pollen in Watsonville is none Tomorrow (26 June 2026) levels are similar. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

For long term forecasts and maps, see the Airmine app

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Watsonville's Monterey Bay agricultural setting features coastal live oak, Monterey pine, and eucalyptus as the main tree pollen sources, with exposure varying between the wooded Santa Cruz Mountains foothills to the north and the more open agricultural floodplain commercial areas. The Pajaro River corridor provides locally significant green space, while the strong Monterey Bay marine layer creates significant coastal-inland pollen gradients across this strawberry farming community.

Today - 25 June

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.

Tomorrow - 26 June

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

Frequently Asked Questions

Is pollen high in Watsonville right now?

Currently, there is no significant pollen in Watsonville.

Will pollen levels change in Watsonville tomorrow?

On 26 June 2026, pollen conditions in Watsonville will be similar to today with no significant pollen expected.

Is pollen expected to decrease in Watsonville this week?

According to the five-day outlook, grass pollen levels will increase later in the week.

Which pollen types are currently active in Watsonville?

On 25 June 2026, there are no significant pollen types in Watsonville.

When is pollen season in Watsonville?
Watsonville's Central California Monterey Bay coastal setting produces a season opening in January with oak and coastal scrub before grass from surrounding Santa Cruz County strawberry and agricultural land peaks through April and May. Mugwort extends exposure into September, while the strong marine influence from Monterey Bay moderates temperatures year-round and frequently suppresses pollen dispersal under the marine layer.
How often is the Watsonville pollen forecast updated?

The Watsonville pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in Watsonville come from nearby or far away?

Studies show that most pollen exposure (often 70–90%) comes from nearby sources, such as local trees and vegetation. A good pollen forecast therefore depends on accurately representing local vegetation. Pollen can travel long distances, but this usually matters only early in the season or during specific wind events.

Are pollen levels in Watsonville based on measurements or forecasts?

Pollen data is often misunderstood. Most "pollen levels" are not real-time measurements, but forecasts.

Direct pollen measurements are typically delayed by 1-2 days because they require manual analysis. To show current conditions in Watsonville, modern forecasts combine recent measurements, weather data, and information about local vegetation.

This allows us to estimate pollen levels for today and the coming days, not just report the past.

Airmine’s atmospheric monitoring platform was developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team, using satellite and Earth observation technologies to improve emissions monitoring.

Want to see pollen forecasts for other cities in United States?

Check pollen in other popular cities:

Data provided by Airmine — Last update: 25 Jun 2026, 09:01 CET (Data is updated four times daily.)

This page provides the latest public pollen forecast for Watsonville.

For long term forecasts and maps, see the Airmine app

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.