Worst air pollution Wiscasset, today and tomorrow

Today (9 August): Air quality in Wiscasset 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: 38.2/100).
Tomorrow (10 August 2026): Air quality in Wiscasset is fair. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 33.1/100). 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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Wiscasset experiences air quality conditions shaped chiefly by cool coastal Maine air, and onshore breeze keeps air quality consistently clean. Day-to-day conditions in Wiscasset can still vary with local weather, wind direction, and time of year. Local topography and prevailing winds both play a role in how quickly conditions change.

Today - 9 August | Pollution peaks at 08:00

AQI:

Fair

38.2/100

PM2.5 (fine particles):

Good

8.5/100

PM10 (coarse particles):

Good

4.9/100

NO2 (nitrogen dioxide):

Good

18.0/100

O3 (ozone):

Fair

38.2/100

SO2 (sulfur dioxide):

Good

1.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

12.9/100

PM1 (ultrafine particles):

Good

7.0/100

Levels show the poorest local air quality during the day

Tomorrow - 10 August | Pollution peaks at 12:00

AQI:

Fair

33.1/100

PM2.5 (fine particles):

Good

8.3/100

PM10 (coarse particles):

Good

4.6/100

NO2 (nitrogen dioxide):

Good

13.6/100

O3 (ozone):

Fair

33.1/100

SO2 (sulfur dioxide):

Good

0.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

11.0/100

PM1 (ultrafine particles):

Good

6.5/100

Pollen forecast in Wiscasset

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Frequently Asked Questions

Is air quality bad in Wiscasset right now?

On 9 August 2026, overall air quality in Wiscasset is fair. AQI is the main air quality indicator at 38.2/100. Pollution peaks around 8:00 AM (O3: 38.2/100).

Will air quality be worse tomorrow in Wiscasset?

On 10 August 2026, air quality conditions in Wiscasset will be similar to today, with AQI forecast at fair at 33.1/100. Pollution peaks around 12:00 PM (O3: 33.1/100).

When is air pollution at its worst in Wiscasset?

Air quality in Wiscasset shifts across the year, as frequent frontal systems in spring and fall usually keep the air cleanest then; by contrast, summer heat waves, often worsened by haze drifting in from other regions, bring the year's worst air. Coastal sea breezes can offer some relief from inland summer ozone buildup.

Are air quality levels in Wiscasset 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: 9 August 2026 at 20:27 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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