Worst air pollution Daro - Bellinzona, today and tomorrow
Today (16 July): Air quality in Daro is medium. AQI, NO2, and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 AM (NO2: 42.0/100).
Tomorrow (17 July 2026): Air quality in Daro is fair. AQI worsens to fair; NO2 increases to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 2:00 PM (O3: 39.0/100). 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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Daro's air quality reflects its northern Bellinzona position within the enclosed Ticino valley, with vehicle traffic contributing local sources under the valley's characteristic Alpine inversion conditions.
Today - 16 July | Pollution peaks at 05:00
AQI:
Medium
42.0/100
PM2.5 (fine particles):
Good
10.8/100
PM10 (coarse particles):
Good
4.7/100
NO2 (nitrogen dioxide):
Medium
42.0/100
O3 (ozone):
Medium
41.7/100
SO2 (sulfur dioxide):
Good
3.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.0/100
PM1 (ultrafine particles):
Good
11.2/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 14:00
AQI:
Fair
39.0/100
PM2.5 (fine particles):
Good
16.9/100
PM10 (coarse particles):
Good
10.4/100
NO2 (nitrogen dioxide):
Fair
38.3/100
O3 (ozone):
Fair
39.0/100
SO2 (sulfur dioxide):
Good
4.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
10.9/100
PM1 (ultrafine particles):
Good
18.7/100
Other Landmarks in Bellinzona
Frequently Asked Questions
Is air quality bad in Daro right now?
On 16 July 2026, overall air quality in Daro is medium. AQI is the main air quality indicator at 42.0/100. Pollution peaks around 5:00 AM (NO2: 42.0/100).
Will air quality be worse tomorrow in Daro?
On 17 July 2026, air quality conditions in Daro will be worse than today, with AQI forecast at fair at 39.0/100. Pollution peaks around 2:00 PM (O3: 39.0/100).
When is air pollution at its worst in Daro?
Daro's poorest air quality shows up when winter calm lets vehicle traffic and tourism accumulate in this mild valley rather than clearing with the usual breeze. Once spring arrives, dispersion improves steadily in this sheltered setting, and summer stays largely clear except during rare heatwaves; autumn tends to be comparatively mild.
Are air quality levels in Daro 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