Worst air pollution Rheinfelden, today and tomorrow
Today (16 July): Air quality in Rheinfelden 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 Rheinfelden 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.
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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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Rheinfelden's air quality benefits from its Rhine river position at the German border, with the river corridor providing ventilation. Legacy salt-mining and brewing industry and cross-border traffic contribute local sources.
Today - 16 July | Pollution peaks at 16:00
AQI:
Medium
48.7/100
PM2.5 (fine particles):
Good
15.8/100
PM10 (coarse particles):
Good
5.1/100
NO2 (nitrogen dioxide):
Good
18.9/100
O3 (ozone):
Medium
48.7/100
SO2 (sulfur dioxide):
Good
0.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.9/100
PM1 (ultrafine particles):
Good
20.0/100
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
10.7/100
PM10 (coarse particles):
Good
4.1/100
NO2 (nitrogen dioxide):
Good
19.5/100
O3 (ozone):
Fair
34.4/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.9/100
PM1 (ultrafine particles):
Good
12.9/100
Pollen forecast in Rheinfelden
View pollen forecastFrequently Asked Questions
Is air quality bad in Rheinfelden right now?
On 16 July 2026, overall air quality in Rheinfelden 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 Rheinfelden?
On 17 July 2026, air quality conditions in Rheinfelden 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 Rheinfelden?
Calm winter weather is when Rheinfelden's air quality suffers most, with vehicle traffic and cross-border industry settling over the plain instead of dispersing as they normally would. 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 Rheinfelden 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?
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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