Worst air pollution Ashtabula, today and tomorrow
Today (9 August): Air quality in Ashtabula is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (O3: 32.8/100).
Tomorrow (10 August 2026): Air quality in Ashtabula is fair. NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 34.7/100). Airmine updates local air quality forecasts four times daily.
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The dominant factor behind Ashtabula's air quality is Lake Erie lake-effect air; lake breezes generally keep air quality favorable. None of this is unusual for a place with Ashtabula's particular geography and climate. Short-term spikes are still possible even during the generally cleaner stretches of the year.
Today - 9 August | Pollution peaks at 09:00
AQI:
Fair
32.8/100
PM2.5 (fine particles):
Good
6.8/100
PM10 (coarse particles):
Good
2.2/100
NO2 (nitrogen dioxide):
Good
11.5/100
O3 (ozone):
Fair
32.8/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.0/100
PM1 (ultrafine particles):
Good
8.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 10:00
AQI:
Fair
34.7/100
PM2.5 (fine particles):
Good
7.7/100
PM10 (coarse particles):
Good
4.2/100
NO2 (nitrogen dioxide):
Fair
20.7/100
O3 (ozone):
Fair
34.7/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.7/100
PM1 (ultrafine particles):
Good
5.1/100
Pollen forecast in Ashtabula
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Ashtabula
Frequently Asked Questions
Is air quality bad in Ashtabula right now?
On 9 August 2026, overall air quality in Ashtabula is fair. AQI is the main air quality indicator at 32.8/100. Pollution peaks around 9:00 AM (O3: 32.8/100).
Will air quality be worse tomorrow in Ashtabula?
On 10 August 2026, air quality conditions in Ashtabula will be similar to today, with AQI forecast at fair at 34.7/100. Pollution peaks around 10:00 AM (O3: 34.7/100).
When is air pollution at its worst in Ashtabula?
Ashtabula's air quality follows a clear seasonal pattern. In short, late spring tends to offer some of the most reliably clean air, before summer heat sets in, whereas hot, humid summer conditions drive ozone formation, especially during heat waves. Fast-moving weather systems typical of the region usually keep pollution from lingering too long.
Are air quality levels in Ashtabula 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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