Worst air pollution Spencer, today and tomorrow
Today (9 August): Air quality in Spencer is fair. PM2.5 and O3 are fair; AQI and NO2 are medium; PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 AM (NO2: 40.7/100).
Tomorrow (10 August 2026): Air quality in Spencer is fair. AQI worsens to fair; NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 9:00 AM (O3: 36.0/100). 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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Clean central appalachian mountain air is what shapes air quality most in Spencer, and air quality is generally very good outside of pollen peaks. Day-to-day conditions in Spencer 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 01:00
AQI:
Medium
40.7/100
PM2.5 (fine particles):
Fair
22.0/100
PM10 (coarse particles):
Good
8.3/100
NO2 (nitrogen dioxide):
Medium
40.7/100
O3 (ozone):
Fair
32.4/100
SO2 (sulfur dioxide):
Good
13.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.4/100
PM1 (ultrafine particles):
Good
15.7/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 09:00
AQI:
Fair
36.0/100
PM2.5 (fine particles):
Fair
20.1/100
PM10 (coarse particles):
Good
8.2/100
NO2 (nitrogen dioxide):
Fair
22.1/100
O3 (ozone):
Fair
36.0/100
SO2 (sulfur dioxide):
Good
11.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.3/100
PM1 (ultrafine particles):
Good
13.0/100
Pollen forecast in Spencer
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Spencer
Frequently Asked Questions
Is air quality bad in Spencer right now?
On 9 August 2026, overall air quality in Spencer is fair. O3 is the main pollutant at 32.4/100. Pollution peaks around 1:00 AM (NO2: 40.7/100).
Will air quality be worse tomorrow in Spencer?
On 10 August 2026, air quality conditions in Spencer will be similar to today, with AQI forecast at fair at 36.0/100. Pollution peaks around 9:00 AM (O3: 36.0/100).
When is air pollution at its worst in Spencer?
Spencer follows a fairly predictable seasonal air quality pattern. Typically, once summer humidity fades, winter typically offers the most consistently clean air, while long, hot, humid summers bring the year's worst ozone readings. Prescribed burns are more common in the cooler months and can add brief smoke episodes.
Are air quality levels in Spencer 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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