Highest air pollution Leeuwarden, today and tomorrow

Today (30 June): Air quality in Leeuwarden is fair. AQI, NO2, and O3 are fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 PM (O3: 27.3/100).
Tomorrow (1 July 2026): Air quality in Leeuwarden is fair. All pollutants stay as today. Pollution peaks around 4:00 PM (O3: 31.8/100). Airmine updates local air quality forecasts four times daily.

For long term forecasts and maps, see the Airmine app

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Leeuwarden's air quality is generally good, with North Sea and Wadden Sea westerlies providing reliable maritime ventilation across this flat Frisian coastal plain city. Vehicle traffic on the A31 and surrounding dairy farming operations contribute ammonia and secondary particulate emissions, while the flat coastal terrain and open sea exposure generally maintain moderate Dutch urban air quality levels.

Today - 30 June | Pollution peaks at 18:00

AQI:

Fair

27.3/100

PM2.5 (fine particles):

Good

12.0/100

PM10 (coarse particles):

Good

4.1/100

NO2 (nitrogen dioxide):

Fair

26.0/100

O3 (ozone):

Fair

27.3/100

SO2 (sulfur dioxide):

Good

1.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

2.0/100

PM1 (ultrafine particles):

Good

10.9/100

Levels show the poorest local air quality during the day

Tomorrow - 1 July | Pollution peaks at 16:00

AQI:

Fair

31.8/100

PM2.5 (fine particles):

Good

11.8/100

PM10 (coarse particles):

Good

4.0/100

NO2 (nitrogen dioxide):

Fair

22.7/100

O3 (ozone):

Fair

31.8/100

SO2 (sulfur dioxide):

Good

1.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

1.8/100

PM1 (ultrafine particles):

Good

10.8/100

Pollen forecast in Leeuwarden

View pollen forecast

Frequently Asked Questions

Is air quality bad in Leeuwarden right now?

On 30 June 2026, overall air quality in Leeuwarden is fair. AQI is the main air quality indicator at 27.3/100. Pollution peaks around 6:00 PM (O3: 27.3/100).

Will air quality be worse tomorrow in Leeuwarden?

On 1 July 2026, air quality conditions in Leeuwarden will be similar to today, with AQI forecast at fair at 31.8/100. Pollution peaks around 4:00 PM (O3: 31.8/100).

Are air quality levels in Leeuwarden 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 Netherlands?

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Data provided by Airmine — Last update: 30 June 2026 at 12:40 CET (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

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team