Thornton Heath Selhurst pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Thornton Heath Selhurst is high; mugwort is high; grass is low. Tomorrow (10 August 2026) levels are similar - mugwort declining. Over the following five days grass and mugwort will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.
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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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Thornton Heath Selhurst's parks and green spaces feature plane and lime as the main tree pollen sources, with exposure varying between these greener areas and the more built-up town centre. Grass pollen from surrounding Croydon fields is significant through the summer months, carried in by northwesterly winds off the coast. Overall exposure follows the broader regional trend, moderated somewhat by the town's parks and gardens.
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):
Low
23/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
High
70/100
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):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Medium
47/100
Air quality in Thornton Heath Selhurst
View air qualityFrequently Asked Questions
Is pollen high in Thornton Heath Selhurst right now?
On 9 August 2026, overall pollen levels in Thornton Heath Selhurst are high. Artemisia is the main contributor to airborne pollen, while grass remain at lower levels
Will pollen levels change in Thornton Heath Selhurst tomorrow?
On 10 August 2026, pollen conditions in Thornton Heath Selhurst will be different from today, with artemisia continuing to decline
Is pollen expected to decrease in Thornton Heath Selhurst this week?
According to the five-day outlook, grass and artemisia pollen levels will increase later in the week.
Which pollen types are currently active in Thornton Heath Selhurst?
On 9 August 2026, Artemisia is the dominant pollen source in Thornton Heath Selhurst. grass are also present but at lower levels. willow, hazel, and cypress are not currently active.
When is pollen season in Thornton Heath Selhurst?
How often is the Thornton Heath Selhurst pollen forecast updated?
The Thornton Heath Selhurst pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Thornton Heath Selhurst 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 Thornton Heath Selhurst 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 Thornton Heath Selhurst, 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 Kingdom?
Check pollen in other popular cities:
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 Thornton Heath Selhurst.
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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.