Halifax pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Halifax is high; ragweed is high; grass is medium; mugwort is low. Tomorrow (10 August 2026) levels are similar - mugwort remains low, grass declining, ragweed declining. Over the following five days grass, mugwort, and ragweed will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

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Halifax's Atlantic harbour setting features red spruce, balsam fir, and coastal rockweed shoreline vegetation as dominant pollen sources, with the historic Citadel hill contrasting the dense downtown peninsula.

Today - 9 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Medium

    33/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    10/100

  • Ragweed (Ambrosia):

    High

    55/100

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 - 10 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Low

    12/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    6/100

  • Ragweed (Ambrosia):

    Low

    19/100

Air quality in Halifax

View air quality

Pollen forecast for neighborhoods and landmarks in Halifax

Africville Museum Bedford Clayton Park Cole Harbour Dartmouth Downtown Halifax Eastern Passage Fairview Fishermans Cove Halifax Citadel Halifax Public Gardens Halifax Seaport Herring Cove Lower Sackville North End Halifax Peggys Cove Point Pleasant Park Rockingham South End Halifax Spryfield

Sports venues in Halifax

Halifax Forum Huskies Stadium Scotiabank Centre Wanderers Grounds

Frequently Asked Questions

Is pollen high in Halifax right now?

On 9 August 2026, overall pollen levels in Halifax are high. Ambrosia is the main contributor to airborne pollen, while grass and artemisia remain at lower levels

Will pollen levels change in Halifax tomorrow?

On 10 August 2026, pollen conditions in Halifax will be different from today, with artemisia at low levels and grass, ambrosia continuing to decline

Is pollen expected to decrease in Halifax this week?

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

Which pollen types are currently active in Halifax?

On 9 August 2026, Ambrosia is the dominant pollen source in Halifax. grass and artemisia are also present but at lower levels. cypress are not currently active.

When is pollen season in Halifax?
Halifax sits on a deep natural harbour wrapped by the Atlantic on nearly every side, giving it a maritime-moderated pollen season, with harbour humidity softening the spring tree bloom, a fairly typical summer grass window, and a comparatively mild ragweed presence compared with inland Canadian cities further from the coast.
How often is the Halifax pollen forecast updated?

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

Does pollen in Halifax 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 Halifax 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 Halifax, 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.

Check pollen in other popular cities:

Melton Rio de Janeiro Copenhagen Athens Denpasar Rome Cape Town Barcelona London Los Angeles New York

Data provided by Airmine — Last update: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Halifax.

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

Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.