Worst air pollution Bellefonte, today and tomorrow
Today (30 August): Air quality in Bellefonte is moderate. AQI and O3 are moderate; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 40.2/100).
Tomorrow (31 August 2026): Air quality in Bellefonte is fair. AQI improves to fair; O3 decreases to fair; all other pollutants stay as today. Pollution peaks around 11:00 AM (O3: 31.0/100). Airmine updates local air quality forecasts four times daily.
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In Bellefonte, light local traffic means surrounding farmland activity, not congestion, is the bigger day-to-day influence on air quality. This is partly offset by nearby tree cover, which filters out some particulate matter naturally. Short-term spikes can occur with unusual weather or nearby construction and traffic events. Broader regional monitoring generally reflects this same baseline, with small local variation.
Today - 30 August | Pollution peaks at 11:00
AQI:
Moderate
40.2/100
PM2.5 (fine particles):
Good
5.2/100
PM10 (coarse particles):
Good
2.0/100
NO2 (nitrogen dioxide):
Good
12.9/100
O3 (ozone):
Moderate
40.2/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.7/100
PM1 (ultrafine particles):
Good
3.1/100
Levels show the poorest local air quality during the day
Tomorrow - 31 August | Pollution peaks at 11:00
AQI:
Fair
31.0/100
PM2.5 (fine particles):
Good
7.3/100
PM10 (coarse particles):
Good
4.3/100
NO2 (nitrogen dioxide):
Good
9.3/100
O3 (ozone):
Fair
31.0/100
SO2 (sulfur dioxide):
Good
2.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.7/100
PM1 (ultrafine particles):
Good
4.4/100
Pollen forecast in Bellefonte
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Bellefonte
Frequently Asked Questions
Is air quality bad in Bellefonte right now?
On 30 August 2026, overall air quality in Bellefonte is moderate. AQI is the main air quality indicator at 40.2/100. Pollution peaks around 11:00 AM (O3: 40.2/100).
Will air quality be worse tomorrow in Bellefonte?
On 31 August 2026, air quality conditions in Bellefonte will be better than today, with AQI forecast at fair at 31.0/100. Pollution peaks around 11:00 AM (O3: 31.0/100).
When is air pollution at its worst in Bellefonte?
Particulate levels here tend to peak during the coldest months of the year, driven by the combination of home heating and calm winter air that resists mixing. By summer, ozone becomes the more pressing issue in this area, since intense sun and heat fuel ozone formation, sometimes compounded by regional wildfire smoke. Air quality generally improves in spring and fall, when milder weather and steadier winds help disperse pollutants.
Are air quality levels in Bellefonte based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 30 August 2026 at 14:32 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
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.
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