Worst air pollution Glenwood Springs, today and tomorrow

Today (30 August): Air quality in Glenwood Springs is poor. AQI and NO2 are poor; O3 is moderate; PM2.5, PM10, SO2, and PM1 are fair; CO and HCHO are good. Pollution peaks around 12:00 AM (NO2: 70.4/100).
Tomorrow (31 August 2026): Air quality in Glenwood Springs is moderate. AQI improves to moderate; PM2.5 increases to moderate; NO2 decreases to moderate; O3 decreases to fair; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 58.4/100). Airmine updates local air quality forecasts four times daily.

Get the full experience in the Airmine app.

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.

In Glenwood Springs, clean western Colorado mountain-valley air is the main influence on air quality, and winter cold-air inversions can occasionally trap haze in the valley. None of this is unusual for a place with Glenwood Springs's particular geography and climate. Short-term spikes are still possible even during the generally cleaner stretches of the year.

Today - 30 August | Pollution peaks at 00:00

AQI:

Poor

70.4/100

PM2.5 (fine particles):

Fair

35.8/100

PM10 (coarse particles):

Fair

36.0/100

NO2 (nitrogen dioxide):

Poor

70.4/100

O3 (ozone):

Moderate

40.8/100

SO2 (sulfur dioxide):

Fair

31.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.8/100

PM1 (ultrafine particles):

Fair

20.5/100

Levels show the poorest local air quality during the day

Tomorrow - 31 August | Pollution peaks at 00:00

AQI:

Moderate

58.4/100

PM2.5 (fine particles):

Moderate

40.2/100

PM10 (coarse particles):

Fair

34.9/100

NO2 (nitrogen dioxide):

Moderate

58.4/100

O3 (ozone):

Fair

31.1/100

SO2 (sulfur dioxide):

Fair

23.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.0/100

PM1 (ultrafine particles):

Good

17.6/100

Pollen forecast in Glenwood Springs

View pollen forecast

Air quality forecasts for neighbourhoods and landmarks in Glenwood Springs

Frequently Asked Questions

Is air quality bad in Glenwood Springs right now?

On 30 August 2026, overall air quality in Glenwood Springs is poor. AQI is the main air quality indicator at 70.4/100. Pollution peaks around 12:00 AM (NO2: 70.4/100).

Will air quality be worse tomorrow in Glenwood Springs?

On 31 August 2026, air quality conditions in Glenwood Springs will be better than today, with AQI forecast at moderate at 58.4/100. Pollution peaks around 12:00 AM (NO2: 58.4/100).

When is air pollution at its worst in Glenwood Springs?

Air quality in Glenwood Springs shifts across the year, as spring and autumn generally bring the cleanest, most stable air; by contrast, valley and basin locations can see pollution trapped under cold air for days during winter inversions. Wind exposure varies a lot by terrain here, so nearby locations can see quite different smoke and inversion impacts.

Are air quality levels in Glenwood Springs 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.

Want to see air quality forecasts for other cities in United States?

Check air quality in other popular cities:

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.

Get the full experience in the Airmine app.