Worst air pollution Deer Trail, today and tomorrow
Today (20 September): Air quality in Deer Trail is fair. AQI, PM2.5, NO2, and O3 are fair; PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (O3: 38.2/100).
Tomorrow (21 September 2026): Air quality in Deer Trail is moderate. AQI worsens to moderate; O3 increases to moderate; all other pollutants stay as today. Pollution peaks around 9:00 AM (O3: 55.2/100). Airmine updates local air quality forecasts four times daily.
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In Deer Trail, with vehicle traffic relatively low, dust from nearby fields and occasional burning are the bigger day-to-day factors. Green space close by offers a partial natural check on particulate buildup. Daily conditions can shift noticeably depending on wind, temperature, and traffic patterns. This general baseline tends to hold across nearby areas with similar traffic and land use.
Today - 20 September | Pollution peaks at 10:00
AQI:
Fair
38.2/100
PM2.5 (fine particles):
Fair
26.0/100
PM10 (coarse particles):
Good
16.7/100
NO2 (nitrogen dioxide):
Fair
31.3/100
O3 (ozone):
Fair
38.2/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
3.3/100
PM1 (ultrafine particles):
Good
14.6/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 09:00
AQI:
Moderate
55.2/100
PM2.5 (fine particles):
Fair
24.0/100
PM10 (coarse particles):
Good
16.3/100
NO2 (nitrogen dioxide):
Fair
39.4/100
O3 (ozone):
Moderate
55.2/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
3.9/100
PM1 (ultrafine particles):
Good
10.1/100
Pollen forecast in Deer Trail
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Deer Trail
Frequently Asked Questions
Is air quality bad in Deer Trail right now?
On 20 September 2026, overall air quality in Deer Trail is fair. AQI is the main air quality indicator at 38.2/100. Pollution peaks around 10:00 AM (O3: 38.2/100).
Will air quality be worse tomorrow in Deer Trail?
On 21 September 2026, air quality conditions in Deer Trail will be worse than today, with AQI forecast at moderate at 55.2/100. Pollution peaks around 9:00 AM (O3: 55.2/100).
When is air pollution at its worst in Deer Trail?
October through December tends to be calm here, with wind speeds averaging around 14 km/h and temperatures near 5°C -- conditions cool and still enough for particulate matter and smoke to settle near the ground instead of dispersing. Temperatures climb to around 21°C on average from June to August, warm enough for intense sun and heat to fuel ground-level ozone formation.
Are air quality levels in Deer Trail 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 14:33 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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