Worst air pollution Longs Peak Campground - Estes Park, today and tomorrow
Today (20 September): Air quality in Longs Peak Campground is moderate. AQI and O3 are moderate; PM2.5 and NO2 are fair; PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 AM (O3: 54.0/100).
Tomorrow (21 September 2026): Air quality in Longs Peak Campground is moderate. All pollutants stay as today. Pollution peaks around 10:00 AM (O3: 57.6/100). 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 Longs Peak Campground, the steady churn of urban traffic and commercial activity is the leading source of particulate matter locally. Trees and green space nearby provide a partial buffer, catching particulate matter before it spreads further. Actual daily readings vary with weather, time of day, and short-term local activity.
Today - 20 September | Pollution peaks at 04:00
AQI:
Moderate
54.0/100
PM2.5 (fine particles):
Fair
25.9/100
PM10 (coarse particles):
Good
6.9/100
NO2 (nitrogen dioxide):
Fair
26.3/100
O3 (ozone):
Moderate
54.0/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
3.5/100
PM1 (ultrafine particles):
Good
9.0/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 10:00
AQI:
Moderate
57.6/100
PM2.5 (fine particles):
Fair
22.7/100
PM10 (coarse particles):
Good
6.7/100
NO2 (nitrogen dioxide):
Fair
28.1/100
O3 (ozone):
Moderate
57.6/100
SO2 (sulfur dioxide):
Good
1.1/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
4.4/100
PM1 (ultrafine particles):
Good
5.5/100
Other Landmarks in Estes Park
Frequently Asked Questions
Is air quality bad in Longs Peak Campground right now?
On 20 September 2026, overall air quality in Longs Peak Campground is moderate. AQI is the main air quality indicator at 54.0/100. Pollution peaks around 4:00 AM (O3: 54.0/100).
Will air quality be worse tomorrow in Longs Peak Campground?
On 21 September 2026, air quality conditions in Longs Peak Campground will be similar to today, with AQI forecast at moderate at 57.6/100. Pollution peaks around 10:00 AM (O3: 57.6/100).
When is air pollution at its worst in Longs Peak Campground?
From February to April, average wind speeds run around 15 km/h with temperatures near -4°C, calm and cool enough to let particulate matter and smoke build up near the ground rather than disperse. June through August runs warmer, averaging around 16°C -- hot enough for strong sun and heat to drive ground-level ozone formation.
Are air quality levels in Longs Peak 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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