Worst air pollution Cullowhee, today and tomorrow
Today (9 August): Air quality in Cullowhee is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 57.7/100).
Tomorrow (10 August 2026): Air quality in Cullowhee is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 38.8/100). 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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Cullowhee's air quality is shaped largely by clean Blue Ridge mountain air; elevation and forest cover keep regional air quality favorable. Day-to-day conditions in Cullowhee 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 13:00
AQI:
Medium
57.7/100
PM2.5 (fine particles):
Good
14.1/100
PM10 (coarse particles):
Good
11.0/100
NO2 (nitrogen dioxide):
Fair
21.3/100
O3 (ozone):
Medium
57.7/100
SO2 (sulfur dioxide):
Good
6.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.0/100
PM1 (ultrafine particles):
Good
11.7/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 13:00
AQI:
Fair
38.8/100
PM2.5 (fine particles):
Good
16.1/100
PM10 (coarse particles):
Good
15.6/100
NO2 (nitrogen dioxide):
Fair
20.4/100
O3 (ozone):
Fair
38.8/100
SO2 (sulfur dioxide):
Good
5.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.5/100
PM1 (ultrafine particles):
Good
12.3/100
Pollen forecast in Cullowhee
View pollen forecastFrequently Asked Questions
Is air quality bad in Cullowhee right now?
On 9 August 2026, overall air quality in Cullowhee is fair. NO2 is the main pollutant at 21.3/100. Pollution peaks around 1:00 PM (O3: 57.7/100).
Will air quality be worse tomorrow in Cullowhee?
On 10 August 2026, air quality conditions in Cullowhee will be similar to today, with AQI forecast at fair at 38.8/100. Pollution peaks around 1:00 PM (O3: 38.8/100).
When is air pollution at its worst in Cullowhee?
Cullowhee follows a fairly predictable seasonal air quality pattern — the cleanest conditions usually arrive in winter, once the humid summer ozone season has ended, whereas summer heat combined with the region's dense forest cover drives an extended ozone season. Prescribed burns are more common in the cooler months and can add brief smoke episodes.
Are air quality levels in Cullowhee 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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