Highest air pollution Zeist, today and tomorrow
Today (30 June): Air quality in Zeist is fair. O3 is fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (NO2: 40.6/100).
Tomorrow (1 July 2026): Air quality in Zeist is fair. PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 5:00 AM (NO2: 44.5/100). 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
Zeist's air quality reflects its position on the Utrecht Hills glacial ridge adjacent to the Dutch Hoge Veluwe landscape, with vehicle traffic on the A28 motorway and surrounding residential, defence, and technology park character contributing local sources. The Utrechtse Heuvelrug's forested ridge provides a natural clean-air buffer, while North Sea westerlies generally maintain Zeist among the Utrecht region's more moderate suburban environments throughout most of the year.
Today - 30 June | Pollution peaks at 23:00
AQI:
Medium
40.6/100
PM2.5 (fine particles):
Good
13.7/100
PM10 (coarse particles):
Good
4.4/100
NO2 (nitrogen dioxide):
Medium
40.6/100
O3 (ozone):
Fair
21.3/100
SO2 (sulfur dioxide):
Good
3.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.2/100
PM1 (ultrafine particles):
Good
14.7/100
Levels show the poorest local air quality during the day
Tomorrow - 1 July | Pollution peaks at 05:00
AQI:
Medium
44.5/100
PM2.5 (fine particles):
Good
17.9/100
PM10 (coarse particles):
Good
5.7/100
NO2 (nitrogen dioxide):
Medium
44.5/100
O3 (ozone):
Fair
31.1/100
SO2 (sulfur dioxide):
Good
5.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.5/100
PM1 (ultrafine particles):
Fair
20.0/100
Pollen forecast in Zeist
View pollen forecastFrequently Asked Questions
Is air quality bad in Zeist right now?
On 30 June 2026, overall air quality in Zeist is fair. O3 is the main pollutant at 21.3/100. Pollution peaks around 11:00 PM (NO2: 40.6/100).
Will air quality be worse tomorrow in Zeist?
On 1 July 2026, air quality conditions in Zeist will be similar to today, with O3 forecast at fair at 31.1/100. Pollution peaks around 5:00 AM (NO2: 44.5/100).
Are air quality levels in Zeist 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.
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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