Worst air pollution Wejherowo, today and tomorrow

Today (16 July): Air quality in Wejherowo is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (NO2: 30.4/100).
Tomorrow (17 July 2026): Air quality in Wejherowo is fair. AQI improves to medium; NO2 decreases to medium; all other pollutants stay as today. Pollution peaks around 5:00 AM (NO2: 42.1/100). 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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Wejherowo's air quality profile is influenced chiefly by its Cedron stream location, where Kashubian forest fringe near the Tri-City contributes most, alongside additional pressure from local industrial activity. Background levels here are broadly typical for Pomorskie, with the clearest air following spells of wind or rain.

Today - 16 July | Pollution peaks at 23:00

AQI:

Fair

30.4/100

PM2.5 (fine particles):

Good

17.4/100

PM10 (coarse particles):

Good

6.2/100

NO2 (nitrogen dioxide):

Fair

30.4/100

O3 (ozone):

Fair

22.6/100

SO2 (sulfur dioxide):

Good

6.2/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.8/100

PM1 (ultrafine particles):

Good

14.8/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 05:00

AQI:

Medium

42.1/100

PM2.5 (fine particles):

Good

15.2/100

PM10 (coarse particles):

Good

5.9/100

NO2 (nitrogen dioxide):

Medium

42.1/100

O3 (ozone):

Fair

35.7/100

SO2 (sulfur dioxide):

Good

8.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

1.9/100

PM1 (ultrafine particles):

Good

16.3/100

Pollen forecast in Wejherowo

View pollen forecast

Frequently Asked Questions

Is air quality bad in Wejherowo right now?

On 16 July 2026, overall air quality in Wejherowo is fair. AQI is the main air quality indicator at 30.4/100. Pollution peaks around 11:00 PM (NO2: 30.4/100).

Will air quality be worse tomorrow in Wejherowo?

On 17 July 2026, air quality conditions in Wejherowo will be similar to today, with O3 forecast at fair at 35.7/100. Pollution peaks around 5:00 AM (NO2: 42.1/100).

When is air pollution at its worst in Wejherowo?

The most noticeable dips in Wejherowo's air quality come when beech and oak pollen peaks and on days affected by Kashubian forest fringe near the Tri-City; the rest of the calendar year is generally more forgiving for air quality here than these peak weeks.

Are air quality levels in Wejherowo 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 Poland?

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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