Worst air pollution Parker, Colorado, today and tomorrow
Today (20 September): Air quality in Parker, Colorado 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: 38.3/100).
Tomorrow (21 September 2026): Air quality in Parker, Colorado is moderate. AQI worsens to moderate; O3 increases to moderate; all other pollutants stay as today. Pollution peaks around 9:00 AM (O3: 55.4/100). Airmine updates local air quality forecasts four times daily.
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Parker's air quality benefits from the Denver southern metropolitan Front Range position at 1,829 metres in Douglas County, with clean Rocky Mountain westerly airflows and the elevated position above the main Denver basin generally providing better conditions than the lower valley communities. Vehicle emissions from I-25 and E-470 are the primary local sources, while the Front Range temperature inversion problem periodically affects the southern corridor and summer wildfire smoke is an increasingly frequent seasonal concern.
Today - 20 September | Pollution peaks at 10:00
AQI:
Fair
38.3/100
PM2.5 (fine particles):
Fair
33.0/100
PM10 (coarse particles):
Good
16.7/100
NO2 (nitrogen dioxide):
Fair
29.5/100
O3 (ozone):
Fair
38.3/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
3.3/100
PM1 (ultrafine particles):
Good
7.1/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 09:00
AQI:
Moderate
55.4/100
PM2.5 (fine particles):
Fair
30.4/100
PM10 (coarse particles):
Good
16.3/100
NO2 (nitrogen dioxide):
Fair
37.0/100
O3 (ozone):
Moderate
55.4/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
3.9/100
PM1 (ultrafine particles):
Good
4.9/100
Pollen forecast in Parker, Colorado
View pollen forecastFrequently Asked Questions
Is air quality bad in Parker, Colorado right now?
On 20 September 2026, overall air quality in Parker, Colorado is fair. AQI is the main air quality indicator at 38.3/100. Pollution peaks around 10:00 AM (O3: 38.3/100).
Will air quality be worse tomorrow in Parker, Colorado?
On 21 September 2026, air quality conditions in Parker, Colorado will be worse than today, with AQI forecast at moderate at 55.4/100. Pollution peaks around 9:00 AM (O3: 55.4/100).
When is air pollution at its worst in Parker, Colorado?
Air quality in Parker shifts across the year: a brief window in autumn tends to bring the year's best air, before winter inversions set in, but valley and basin locations can see pollution trapped under cold air for days during winter inversions. Higher-elevation, more exposed locations generally avoid the worst of the valley inversion episodes.
Are air quality levels in Parker, Colorado 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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