Worst air pollution Liestal, today and tomorrow
Today (16 July): Air quality in Liestal is fair. NO2 and PM1 are fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 4:00 PM (O3: 48.7/100).
Tomorrow (17 July 2026): Air quality in Liestal is fair. AQI worsens to fair; O3 increases to fair; PM1 decreases to good; 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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Liestal's air quality reflects its Ergolz valley position at the Jura's edge, with vehicle traffic on the A22 motorway the primary local source amid the generally well-ventilated Basel-Landschaft countryside.
Today - 16 July | Pollution peaks at 16:00
AQI:
Medium
48.7/100
PM2.5 (fine particles):
Good
18.3/100
PM10 (coarse particles):
Good
5.9/100
NO2 (nitrogen dioxide):
Fair
33.2/100
O3 (ozone):
Medium
48.7/100
SO2 (sulfur dioxide):
Good
1.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.9/100
PM1 (ultrafine particles):
Fair
22.3/100
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
12.5/100
PM10 (coarse particles):
Good
4.8/100
NO2 (nitrogen dioxide):
Fair
34.1/100
O3 (ozone):
Fair
34.4/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.9/100
PM1 (ultrafine particles):
Good
15.0/100
Pollen forecast in Liestal
View pollen forecastFrequently Asked Questions
Is air quality bad in Liestal right now?
On 16 July 2026, overall air quality in Liestal is fair. NO2 is the main pollutant at 33.2/100. Pollution peaks around 4:00 PM (O3: 48.7/100).
Will air quality be worse tomorrow in Liestal?
On 17 July 2026, air quality conditions in Liestal will be similar to 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 Liestal?
The worst stretch for air quality at Liestal tends to be a calm winter day, as vehicle traffic and cross-border industry gather across this tri-border stretch of the plain. The rest of the year sees much better conditions across the tri-border plain, with summer's ozone spikes limited to the hottest, stillest days.
Are air quality levels in Liestal 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