Johnstown pollen forecast — Woodvale neighborhood
Today (30 August) pollen in Woodvale, Johnstown is high; grass and ragweed are high; mugwort is moderate. Tomorrow (31 August 2026) levels are similar - grass declining, mugwort declining, ragweed declining. Over the following five days grass and ragweed will increase; mugwort will decrease. 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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This area, a short distance from here, has hazel and willow crowd the water's edge, both classic sources of early allergenic pollen. A stretch of mown parkland where turf and ornamental trees feed local grass and ragweed pollen; this sits near this part of town. Nearby weather stations report comparable trends across the broader stretch of the county.
Today - 30 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
High
52/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Moderate
29/100
-
Ragweed (Ambrosia):
High
61/100
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 - 31 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Moderate
34/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
10/100
-
Ragweed (Ambrosia):
Moderate
43/100
Other Landmarks in Johnstown
Frequently Asked Questions
Is pollen high in Johnstown right now?
On 30 August 2026, overall pollen levels in Johnstown are high. Grass is the main contributor to airborne pollen, while ambrosia and artemisia remain at lower levels
Will pollen levels change in Johnstown tomorrow?
On 31 August 2026, pollen conditions in Johnstown will be different from today, with grass, ambrosia, artemisia continuing to decline
Is pollen expected to decrease in Johnstown this week?
According to the five-day outlook, artemisia pollen levels are expected to gradually decrease, while grass and ambrosia pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Johnstown?
On 30 August 2026, Grass is the dominant pollen source in Johnstown. ambrosia and artemisia are also present but at lower levels. cypress are not currently active.
When is pollen season in Johnstown?
How often is the Johnstown pollen forecast updated?
The Johnstown pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Johnstown 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 Johnstown 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 Johnstown, 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: 30 August 2026 at 14:32 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Woodvale, Johnstown.
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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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.