Worst air pollution Greywalls at Marquette Golf Club – Greywalls Course - Marquette, today and tomorrow
Today (9 August): Air quality in Greywalls at Marquette Golf Club – Greywalls Course is fair. PM2.5 and O3 are fair; AQI and NO2 are medium; PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 PM (NO2: 42.1/100).
Tomorrow (10 August 2026): Air quality in Greywalls at Marquette Golf Club – Greywalls Course is fair. PM2.5 decreases to good; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 47.4/100). 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 - 9 August | Pollution peaks at 21:00
AQI:
Medium
42.1/100
PM2.5 (fine particles):
Fair
20.1/100
PM10 (coarse particles):
Good
14.7/100
NO2 (nitrogen dioxide):
Medium
42.1/100
O3 (ozone):
Fair
35.7/100
SO2 (sulfur dioxide):
Good
7.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.1/100
PM1 (ultrafine particles):
Good
12.9/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 20:00
AQI:
Medium
47.4/100
PM2.5 (fine particles):
Good
19.2/100
PM10 (coarse particles):
Good
12.4/100
NO2 (nitrogen dioxide):
Medium
47.4/100
O3 (ozone):
Fair
35.4/100
SO2 (sulfur dioxide):
Good
8.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.1/100
PM1 (ultrafine particles):
Good
13.0/100
Sports venues in Marquette
Frequently Asked Questions
Is air quality bad in Greywalls at Marquette Golf Club – Greywalls Course right now?
On 9 August 2026, overall air quality in Greywalls at Marquette Golf Club – Greywalls Course is fair. O3 is the main pollutant at 35.7/100. Pollution peaks around 9:00 PM (NO2: 42.1/100).
Will air quality be worse tomorrow in Greywalls at Marquette Golf Club – Greywalls Course?
On 10 August 2026, air quality conditions in Greywalls at Marquette Golf Club – Greywalls Course will be similar to today, with O3 forecast at fair at 35.4/100. Pollution peaks around 8:00 PM (NO2: 47.4/100).
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: 10 August 2026 at 02:34 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.
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