Worst air pollution Grossbasel - Basel, today and tomorrow
Today (16 July): Air quality in Grossbasel is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 48.7/100).
Tomorrow (17 July 2026): Air quality in Grossbasel is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 6:00 PM (O3: 34.4/100). 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
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Grossbasel's air quality reflects Basel's dense historic left-bank core, with pedestrian zones limiting through-traffic while surrounding streets and the pharmaceutical industry's proximity contribute background emissions.
Today - 16 July | Pollution peaks at 16:00
AQI:
Medium
48.7/100
PM2.5 (fine particles):
Good
13.3/100
PM10 (coarse particles):
Good
4.3/100
NO2 (nitrogen dioxide):
Good
0.0/100
O3 (ozone):
Medium
48.7/100
SO2 (sulfur dioxide):
Good
0.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.9/100
PM1 (ultrafine particles):
Good
16.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 18:00
AQI:
Fair
34.4/100
PM2.5 (fine particles):
Good
9.0/100
PM10 (coarse particles):
Good
3.5/100
NO2 (nitrogen dioxide):
Good
0.0/100
O3 (ozone):
Fair
34.4/100
SO2 (sulfur dioxide):
Good
0.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.9/100
PM1 (ultrafine particles):
Good
10.9/100
Other Landmarks in Basel
Sports venues in Basel
Frequently Asked Questions
Is air quality bad in Grossbasel right now?
On 16 July 2026, overall air quality in Grossbasel is medium. AQI is the main air quality indicator at 48.7/100. Pollution peaks around 4:00 PM (O3: 48.7/100).
Will air quality be worse tomorrow in Grossbasel?
On 17 July 2026, air quality conditions in Grossbasel will be worse than today, with AQI forecast at fair at 34.4/100. Pollution peaks around 6:00 PM (O3: 34.4/100).
When is air pollution at its worst in Grossbasel?
On a rare still winter morning, vehicle traffic and cross-border industry at Grossbasel linger over the Rhine plain, pushing local readings to their worst point of the year. Things generally improve from spring onward, as cross-border winds move more freely, save for an occasional hot-weather ozone peak; autumn stays mostly calm and clear.
Are air quality levels in Grossbasel 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 Switzerland?
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