Dale City pollen forecast - today, tomorrow and the week ahead

Today (16 July) pollen in Dale City is low; grass and ragweed are low. Tomorrow (17 July 2026) levels are similar. Over the following five days grass and ragweed will increase. 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

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

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Dale City's Northern Virginia suburban setting features oak, tulip poplar, and maple as the main tree pollen sources, with exposure varying between the wooded residential neighborhoods and the more built-up commercial corridors along Route 1. The Neabsco Creek corridor provides locally significant green space, while the Quantico Creek watershed woodland to the south creates distinct pollen gradients between the forested southern fringe and the more developed northern areas.

Today - 16 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Low

    20/100

  • Oak (Quercus):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

  • Ragweed (Ambrosia):

    Low

    3/100

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 - 17 July

  • 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

  • Oak (Quercus):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

  • Ragweed (Ambrosia):

    None

    0/100

Air quality in Dale City

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Frequently Asked Questions

Is pollen high in Dale City right now?

On 16 July 2026, overall pollen levels in Dale City are low. Grass is the main contributor to airborne pollen, while ambrosia remain at lower levels

Will pollen levels change in Dale City tomorrow?

On 17 July 2026, pollen conditions in Dale City will be similar to today with no significant pollen expected.

Is pollen expected to decrease in Dale City this week?

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

Which pollen types are currently active in Dale City?

On 16 July 2026, Grass is the dominant pollen source in Dale City. ambrosia are also present but at lower levels. oak, willow, alder, artemisia, birch, and cypress are not currently active.

When is pollen season in Dale City?
Dale City's Northern Virginia suburban setting produces a season opening in late February with cedar and elm before oak peaks through April. Grass from surrounding Virginia farmland peaks through May and June before mugwort and nettle extend exposure into September. The Occoquan River corridor channels airflows, while the warm mid-Atlantic climate advances the season compared to more northern East Coast cities.
How often is the Dale City pollen forecast updated?

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

Does pollen in Dale City 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 Dale City 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 Dale City, 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?

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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Dale City.

For long term forecasts and maps, see the Airmine app

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