Johnston City pollen forecast - today, tomorrow and the week ahead
Today (30 August) pollen in Johnston City is high; ragweed is high; grass and mugwort are moderate. Tomorrow (31 August 2026) levels are similar. Over the following five days grass, mugwort, and ragweed 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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Nearby, in the vicinity, a park where mown turf grass and ornamental trees add grass and ragweed pollen. The general pattern described here holds fairly steady across nearby areas with similar land cover. Local wind exposure and land use can shift the exact mix slightly from block to block. Actual counts still shift year to year with temperature, rainfall, and prevailing wind.
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):
Moderate
30/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Moderate
34/100
-
Ragweed (Ambrosia):
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 - 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
33/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Moderate
35/100
-
Ragweed (Ambrosia):
High
70/100
Air quality in Johnston City
View air qualityPollen forecast for neighborhoods and landmarks in Johnston City
Frequently Asked Questions
Is pollen high in Johnston City right now?
On 30 August 2026, overall pollen levels in Johnston City are high. Ambrosia is the main contributor to airborne pollen, while artemisia and grass remain at lower levels
Will pollen levels change in Johnston City tomorrow?
On 31 August 2026, pollen conditions in Johnston City will be similar to today, with ambrosia at high levels, artemisia at moderate levels, grass at moderate levels
Is pollen expected to decrease in Johnston City this week?
According to the five-day outlook, ambrosia, artemisia, and grass pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Johnston City?
On 30 August 2026, Ambrosia is the dominant pollen source in Johnston City. artemisia and grass are also present but at lower levels. cypress are not currently active.
When is pollen season in Johnston City?
How often is the Johnston City pollen forecast updated?
The Johnston City pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Johnston 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 Johnston 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 Johnston 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?
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 Johnston City.
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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.
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.