Worst air pollution Pátra, today and tomorrow
Today (9 August): Air quality in Pátra is fair. PM2.5 and PM1 are fair; AQI, NO2, and O3 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 12:00 PM (O3: 43.5/100).
Tomorrow (10 August 2026): Air quality in Pátra is fair. PM2.5 decreases to good; O3 increases to fair; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 41.9/100). Airmine updates local air quality forecasts four times daily.
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Patras' air quality reflects its position on the Gulf of Patras at the western entrance to the Gulf of Corinth, with the Achaia lowland plain partially enclosed by the Panachaikon and Erymanthos mountains to the south creating topographic variation. The port's ferry and cargo shipping operations generate elevated NOₓ, while vehicle traffic on the GR-8A and summer ozone from vehicle emissions and intense Mediterranean heat under anticyclonic calm conditions are the primary air quality concerns throughout the year.
Today - 9 August | Pollution peaks at 12:00
AQI:
Medium
43.5/100
PM2.5 (fine particles):
Fair
21.8/100
PM10 (coarse particles):
Good
6.0/100
NO2 (nitrogen dioxide):
Medium
40.0/100
O3 (ozone):
Medium
43.5/100
SO2 (sulfur dioxide):
Good
5.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
13.8/100
PM1 (ultrafine particles):
Fair
26.9/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 23:00
AQI:
Medium
41.9/100
PM2.5 (fine particles):
Good
13.1/100
PM10 (coarse particles):
Good
3.5/100
NO2 (nitrogen dioxide):
Medium
41.9/100
O3 (ozone):
Fair
37.5/100
SO2 (sulfur dioxide):
Good
5.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
13.3/100
PM1 (ultrafine particles):
Good
17.7/100
Pollen forecast in Pátra
View pollen forecastFrequently Asked Questions
Is air quality bad in Pátra right now?
On 9 August 2026, overall air quality in Pátra is fair. PM1 is the main pollutant at 26.9/100. Pollution peaks around 12:00 PM (O3: 43.5/100).
Will air quality be worse tomorrow in Pátra?
On 10 August 2026, air quality conditions in Pátra will be similar to today, with O3 forecast at fair at 37.5/100. Pollution peaks around 11:00 PM (NO2: 41.9/100).
When is air pollution at its worst in Pátra?
Residents in Pátra are quickest to notice reduced air quality when olive and pine pollen peaks, or due to the Achaia lowland plain partially enclosed by the Panachaikon and Erymanthos mountains to the south; a shift to wetter or windier weather typically brings noticeable relief.
Are air quality levels in Pátra 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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