Worst air pollution Aspen Glen Campground - Estes Park, today and tomorrow
Today (20 September): Air quality in Aspen Glen Campground is moderate. AQI, NO2, and O3 are moderate; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 AM (O3: 52.4/100).
Tomorrow (21 September 2026): Air quality in Aspen Glen Campground is moderate. All pollutants stay as today. Pollution peaks around 4:00 AM (O3: 55.4/100). Airmine updates local air quality forecasts four times daily.
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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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In Aspen Glen Campground, dense traffic and everyday urban activity are the main drivers of local particulate matter and nitrogen dioxide levels. Tree cover nearby helps soften the local particulate load to a degree. The surrounding area tends to follow a similar pattern, with only minor local variation. Wind patterns on any given day can shift this picture meaningfully in either direction.
Today - 20 September | Pollution peaks at 04:00
AQI:
Moderate
52.4/100
PM2.5 (fine particles):
Good
18.5/100
PM10 (coarse particles):
Good
6.7/100
NO2 (nitrogen dioxide):
Moderate
43.3/100
O3 (ozone):
Moderate
52.4/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
3.6/100
PM1 (ultrafine particles):
Good
8.7/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 04:00
AQI:
Moderate
55.4/100
PM2.5 (fine particles):
Good
14.4/100
PM10 (coarse particles):
Good
6.0/100
NO2 (nitrogen dioxide):
Moderate
44.6/100
O3 (ozone):
Moderate
55.4/100
SO2 (sulfur dioxide):
Good
1.5/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
4.5/100
PM1 (ultrafine particles):
Good
4.7/100
Other Landmarks in Estes Park
Frequently Asked Questions
Is air quality bad in Aspen Glen Campground right now?
On 20 September 2026, overall air quality in Aspen Glen Campground is moderate. AQI is the main air quality indicator at 52.4/100. Pollution peaks around 4:00 AM (O3: 52.4/100).
Will air quality be worse tomorrow in Aspen Glen Campground?
On 21 September 2026, air quality conditions in Aspen Glen Campground will be similar to today, with AQI forecast at moderate at 55.4/100. Pollution peaks around 4:00 AM (O3: 55.4/100).
When is air pollution at its worst in Aspen Glen Campground?
February through April tends to be calm here, with wind speeds averaging around 15 km/h and temperatures near -4°C -- conditions cool and still enough for particulate matter and smoke to settle near the ground instead of dispersing. From June to August, temperatures average around 16°C, warm enough for strong sun and heat to drive ground-level ozone formation.
Are air quality levels in Aspen Glen Campground 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: 20 September 2026 at 20:27 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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