Worst air pollution Greywalls at Marquette Golf Club – Greywalls Course - Marquette, today and tomorrow
Today (30 August): Air quality in Greywalls at Marquette Golf Club – Greywalls Course is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 21.3/100).
Tomorrow (31 August 2026): Air quality in Greywalls at Marquette Golf Club – Greywalls Course is moderate. AQI worsens to moderate; NO2 increases to moderate; O3 decreases to good; all other pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 43.3/100). 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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Greywalls at Marquette Golf Club air quality benefits from its exceptional Lake Superior Upper Peninsula position at the Marquette iron ore headlands, with Lake Superior's powerful westerly and northwesterly lake winds providing outstanding maritime ventilation. Vehicle traffic contributes very modest local sources, while the extraordinary Lake Superior shoreline exposure and the surrounding Upper Peninsula boreal forest generally maintain among the Great Lakes' most naturally ventilated major golf environments throughout most of the year.
Today - 30 August | Pollution peaks at 12:00
AQI:
Fair
21.3/100
PM2.5 (fine particles):
Good
11.7/100
PM10 (coarse particles):
Good
4.9/100
NO2 (nitrogen dioxide):
Good
19.8/100
O3 (ozone):
Fair
21.3/100
SO2 (sulfur dioxide):
Good
4.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.8/100
PM1 (ultrafine particles):
Good
4.5/100
Levels show the poorest local air quality during the day
Tomorrow - 31 August | Pollution peaks at 23:00
AQI:
Moderate
43.3/100
PM2.5 (fine particles):
Good
10.7/100
PM10 (coarse particles):
Good
4.4/100
NO2 (nitrogen dioxide):
Moderate
43.3/100
O3 (ozone):
Good
19.7/100
SO2 (sulfur dioxide):
Good
5.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.6/100
PM1 (ultrafine particles):
Good
5.0/100
Other Landmarks in Marquette
Sports venues in Marquette
Frequently Asked Questions
Is air quality bad in Greywalls at Marquette Golf Club – Greywalls Course right now?
On 30 August 2026, overall air quality in Greywalls at Marquette Golf Club – Greywalls Course is fair. AQI is the main air quality indicator at 21.3/100. Pollution peaks around 12:00 PM (O3: 21.3/100).
Will air quality be worse tomorrow in Greywalls at Marquette Golf Club – Greywalls Course?
On 31 August 2026, air quality conditions in Greywalls at Marquette Golf Club – Greywalls Course will be worse than today, with AQI forecast at moderate at 43.3/100. Pollution peaks around 11:00 PM (NO2: 43.3/100).
When is air pollution at its worst in Greywalls at Marquette Golf Club – Greywalls Course?
Like the rest of Marquette, Greywalls at Marquette Golf Club – Greywalls Course sees air quality change through the year. In short, spring and autumn tend to bring the cleanest, most stable air, whereas hot, humid summer conditions drive ozone formation, especially during heat waves. Calm, cold winter spells can occasionally allow local pollution to build up before the next weather system clears it.
Are air quality levels in Greywalls at Marquette Golf Club – Greywalls Course 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: 30 August 2026 at 20:26 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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