Worst air pollution Maarssen, today and tomorrow
Today (16 July): Air quality in Maarssen is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 41.4/100).
Tomorrow (17 July 2026): Air quality in Maarssen is fair. NO2 decreases to medium; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 6:00 AM (NO2: 46.8/100). 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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Being a riverside estate village in Utrecht, Maarssen experiences air quality conditions tied closely to its setting, with the A2 route and nearby business activity acting as the principal contributors to local air quality. The nearby the Vecht river assists dispersal, and the country estates along the Vecht means this area rarely strays far from typical Dutch air quality levels.
Today - 16 July | Pollution peaks at 17:00
AQI:
Medium
41.4/100
PM2.5 (fine particles):
Good
9.8/100
PM10 (coarse particles):
Good
3.2/100
NO2 (nitrogen dioxide):
Fair
36.0/100
O3 (ozone):
Medium
41.4/100
SO2 (sulfur dioxide):
Good
2.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.9/100
PM1 (ultrafine particles):
Good
9.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 06:00
AQI:
Medium
46.8/100
PM2.5 (fine particles):
Good
11.0/100
PM10 (coarse particles):
Good
3.9/100
NO2 (nitrogen dioxide):
Medium
46.8/100
O3 (ozone):
Fair
39.8/100
SO2 (sulfur dioxide):
Good
3.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.5/100
PM1 (ultrafine particles):
Good
14.2/100
Pollen forecast in Maarssen
View pollen forecastFrequently Asked Questions
Is air quality bad in Maarssen right now?
On 16 July 2026, overall air quality in Maarssen is fair. NO2 is the main pollutant at 36.0/100. Pollution peaks around 5:00 PM (O3: 41.4/100).
Will air quality be worse tomorrow in Maarssen?
On 17 July 2026, air quality conditions in Maarssen will be similar to today, with O3 forecast at fair at 39.8/100. Pollution peaks around 6:00 AM (NO2: 46.8/100).
When is air pollution at its worst in Maarssen?
Maarssen typically sees the birch, oak, and pine pollen peak during spring and the start of summer, alongside calm, warm days when traffic on the A2 and industry emissions accumulate, as the periods to watch; the wooded Utrechtse Heuvelrug ridge nearby provides some buffering. Apart from these spells, Maarssen usually sees conditions fairly typical for the country as a whole.
Are air quality levels in Maarssen 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: 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