Worst air pollution Espoo, today and tomorrow
Today (9 August): Air quality in Espoo is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 PM (O3: 28.1/100).
Tomorrow (10 August 2026): Air quality in Espoo is fair. All pollutants stay as today. Pollution peaks around 10:00 PM (O3: 31.8/100). Airmine updates local air quality forecasts four times daily.
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Espoo's air quality is excellent by European standards, sharing Helsinki's clean Baltic Sea and Gulf of Finland airflows that dominate conditions throughout most of the year. The primary concerns are road dust from studded winter tyres contributing elevated PM10 in spring and wood-burning stoves adding localised winter PM2.5 in residential areas, while the Nuuksio National Park to the northwest provides a substantial clean-air green lung for Finland's second-largest city.
Today - 9 August | Pollution peaks at 19:00
AQI:
Fair
28.1/100
PM2.5 (fine particles):
Good
5.6/100
PM10 (coarse particles):
Good
2.1/100
NO2 (nitrogen dioxide):
Good
5.4/100
O3 (ozone):
Fair
28.1/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
3.2/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 22:00
AQI:
Fair
31.8/100
PM2.5 (fine particles):
Good
8.5/100
PM10 (coarse particles):
Good
2.7/100
NO2 (nitrogen dioxide):
Good
3.4/100
O3 (ozone):
Fair
31.8/100
SO2 (sulfur dioxide):
Good
1.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.6/100
PM1 (ultrafine particles):
Good
8.7/100
Pollen forecast in Espoo
View pollen forecastFrequently Asked Questions
Is air quality bad in Espoo right now?
On 9 August 2026, overall air quality in Espoo is fair. AQI is the main air quality indicator at 28.1/100. Pollution peaks around 7:00 PM (O3: 28.1/100).
Will air quality be worse tomorrow in Espoo?
On 10 August 2026, air quality conditions in Espoo will be similar to today, with AQI forecast at fair at 31.8/100. Pollution peaks around 10:00 PM (O3: 31.8/100).
When is air pollution at its worst in Espoo?
The most noticeable dips in Espoo's air quality come when the coastal woodland corridor birch and alder pollen peaks, or because of studded winter tyres; for the rest of the calendar year, natural airflow keeps background levels low.
Are air quality levels in Espoo 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.
Want to see air quality forecasts for other cities in Finland?
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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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