Worst air pollution Vaasa, today and tomorrow

Today (16 July): Air quality in Vaasa is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 21.5/100).
Tomorrow (17 July 2026): Air quality in Vaasa is fair. All pollutants stay as today. Pollution peaks around 5:00 PM (O3: 29.5/100). 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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Vaasa's air quality is excellent by European standards, with the Kvarken Archipelago's consistent Baltic Sea westerlies providing outstanding maritime ventilation along the Finnish west coast. Vehicle traffic on the E8 motorway and surrounding manufacturing and university operations contribute local sources, while wood-burning stoves add seasonal winter PM2.5 and the surrounding archipelago sea's powerful winds generally maintain Vaasa among Finland's cleaner major urban environments throughout most of the year.

Today - 16 July | Pollution peaks at 17:00

AQI:

Fair

21.5/100

PM2.5 (fine particles):

Good

11.0/100

PM10 (coarse particles):

Good

3.6/100

NO2 (nitrogen dioxide):

Good

5.2/100

O3 (ozone):

Fair

21.5/100

SO2 (sulfur dioxide):

Good

1.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.0/100

PM1 (ultrafine particles):

Good

9.9/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 17:00

AQI:

Fair

29.5/100

PM2.5 (fine particles):

Good

13.5/100

PM10 (coarse particles):

Good

4.7/100

NO2 (nitrogen dioxide):

Good

2.6/100

O3 (ozone):

Fair

29.5/100

SO2 (sulfur dioxide):

Good

0.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.1/100

PM1 (ultrafine particles):

Good

9.9/100

Pollen forecast in Vaasa

View pollen forecast

Frequently Asked Questions

Is air quality bad in Vaasa right now?

On 16 July 2026, overall air quality in Vaasa is fair. AQI is the main air quality indicator at 21.5/100. Pollution peaks around 5:00 PM (O3: 21.5/100).

Will air quality be worse tomorrow in Vaasa?

On 17 July 2026, air quality conditions in Vaasa will be similar to today, with AQI forecast at fair at 29.5/100. Pollution peaks around 5:00 PM (O3: 29.5/100).

When is air pollution at its worst in Vaasa?

People in Vaasa tend to notice reduced air quality when birch and pine pollen peaks, or because of vehicle traffic on the E8 motorway and surrounding manufacturing and university operations; otherwise, the area's setting generally supports clear, well-ventilated conditions.

Are air quality levels in Vaasa 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.

Want to see air quality forecasts for other cities in Finland?

Check air quality in other popular cities:

Data provided by Airmine — Last update: 16 July 2026 at 10:33 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.

For long term forecasts and maps, see the Airmine app