Worst air pollution Copper Harbor, today and tomorrow

Today (9 August): Air quality in Copper Harbor is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 AM (O3: 37.8/100).
Tomorrow (10 August 2026): Air quality in Copper Harbor is fair. All pollutants stay as today. Pollution peaks around 1:00 PM (O3: 24.8/100). 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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Copper Harbor's air quality is shaped largely by Lake Superior breeze; remote setting keeps air quality among the cleanest in the region. Day-to-day conditions in Copper Harbor can still vary with local weather, wind direction, and time of year. Visitors and residents alike tend to notice the clearest air outside the warmest summer weeks.

Today - 9 August | Pollution peaks at 08:00

AQI:

Fair

37.8/100

PM2.5 (fine particles):

Good

9.8/100

PM10 (coarse particles):

Good

7.6/100

NO2 (nitrogen dioxide):

Good

13.0/100

O3 (ozone):

Fair

37.8/100

SO2 (sulfur dioxide):

Good

1.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

8.3/100

PM1 (ultrafine particles):

Good

5.0/100

Levels show the poorest local air quality during the day

Tomorrow - 10 August | Pollution peaks at 13:00

AQI:

Fair

24.8/100

PM2.5 (fine particles):

Good

5.2/100

PM10 (coarse particles):

Good

3.5/100

NO2 (nitrogen dioxide):

Good

5.8/100

O3 (ozone):

Fair

24.8/100

SO2 (sulfur dioxide):

Good

1.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

3.8/100

PM1 (ultrafine particles):

Good

3.7/100

Pollen forecast in Copper Harbor

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Frequently Asked Questions

Is air quality bad in Copper Harbor right now?

On 9 August 2026, overall air quality in Copper Harbor is fair. AQI is the main air quality indicator at 37.8/100. Pollution peaks around 8:00 AM (O3: 37.8/100).

Will air quality be worse tomorrow in Copper Harbor?

On 10 August 2026, air quality conditions in Copper Harbor will be similar to today, with AQI forecast at fair at 24.8/100. Pollution peaks around 1:00 PM (O3: 24.8/100).

When is air pollution at its worst in Copper Harbor?

Copper Harbor follows a fairly predictable seasonal air quality pattern, as spring and autumn tend to bring the cleanest, most stable air; by contrast, summer heat waves are the main driver of poor air quality, as ozone builds under stagnant, humid conditions. Calm, cold winter spells can occasionally allow local pollution to build up before the next weather system clears it.

Are air quality levels in Copper Harbor 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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