Worst air pollution Ashland, today and tomorrow
Today (9 August): Air quality in Ashland is fair. O3 is fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (NO2: 51.4/100).
Tomorrow (10 August 2026): Air quality in Ashland is very poor. AQI worsens to very poor; NO2 increases to very poor; all other pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 81.2/100). 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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Air quality in Ashland is driven mostly by Rogue Valley wildfire smoke — summer wildfire smoke is the region's dominant air quality concern. Most days bring generally favorable conditions here, with occasional exceptions tied to shifting weather patterns. Checking current readings is still the best way to plan outdoor activity around Ashland.
Today - 9 August | Pollution peaks at 23:00
AQI:
Medium
51.4/100
PM2.5 (fine particles):
Good
15.2/100
PM10 (coarse particles):
Good
4.5/100
NO2 (nitrogen dioxide):
Medium
51.4/100
O3 (ozone):
Fair
32.8/100
SO2 (sulfur dioxide):
Good
7.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.0/100
PM1 (ultrafine particles):
Good
19.0/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 23:00
AQI:
Very poor
81.2/100
PM2.5 (fine particles):
Good
18.4/100
PM10 (coarse particles):
Good
10.1/100
NO2 (nitrogen dioxide):
Very poor
81.2/100
O3 (ozone):
Fair
34.7/100
SO2 (sulfur dioxide):
Good
10.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.2/100
PM1 (ultrafine particles):
Good
13.9/100
Pollen forecast in Ashland
View pollen forecastFrequently Asked Questions
Is air quality bad in Ashland right now?
On 9 August 2026, overall air quality in Ashland is fair. O3 is the main pollutant at 32.8/100. Pollution peaks around 11:00 PM (NO2: 51.4/100).
Will air quality be worse tomorrow in Ashland?
On 10 August 2026, air quality conditions in Ashland will be worse than today, with AQI forecast at very poor at 81.2/100. Pollution peaks around 11:00 PM (NO2: 81.2/100).
When is air pollution at its worst in Ashland?
Ashland sees air quality change through the year, as the wet winter and spring months are generally the cleanest, with regular rain limiting particulate buildup; by contrast, August and September wildfire smoke can dominate the season, occasionally driving particulate levels sharply higher for several days. Coastal areas see relatively little of the smoke that can settle into inland valleys during fire season.
Are air quality levels in Ashland 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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