Bel Air South pollen forecast - today, tomorrow and the week ahead

Today (16 July) pollen in Bel Air South is low; grass is low. Tomorrow (17 July 2026) levels are similar. Over the following five days grass 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

Download on the App Store Get it on Google Play

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

Use our Strava plugin to check your own exposure.

How to connect?

Bel Air South's Harford County Maryland unincorporated setting features oak, tulip poplar, and maple as the main tree pollen sources, with exposure varying between the wooded residential developments and the more built-up commercial corridors along Route 24. The Winters Run and Bynum Run creek corridors provide locally significant green space, while the rolling Harford County topography creates modest pollen gradients between creek valley locations and upland residential ridge areas throughout the season.

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

    19/100

  • Oak (Quercus):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

  • Ragweed (Ambrosia):

    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 - 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 Bel Air South

View air quality

Frequently Asked Questions

Is pollen high in Bel Air South right now?

On 16 July 2026, overall pollen levels in Bel Air South are low. Grass is the main contributor to airborne pollen

Will pollen levels change in Bel Air South tomorrow?

On 17 July 2026, pollen conditions in Bel Air South will be similar to today with no significant pollen expected.

Is pollen expected to decrease in Bel Air South 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 Bel Air South?

On 16 July 2026, Grass is the dominant pollen source in Bel Air South. cypress, oak, willow, alder, ambrosia, artemisia, and birch are not currently active.

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

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

Does pollen in Bel Air South 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 Bel Air South 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 Bel Air South, 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?

Atlanta Boston Chicago Dallas Houston Los Angeles Miami New York Philadelphia

Check pollen in other popular cities:

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

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 Bel Air South.

For long term forecasts and maps, see the Airmine app

Download on the App Store Get it on Google Play

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