Worst air pollution Como, today and tomorrow
Today (16 July): Air quality in Como is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 PM (O3: 58.2/100).
Tomorrow (17 July 2026): Air quality in Como is fair. HCHO increases to fair; all other pollutants stay as today. Pollution peaks around 5:00 PM (O3: 49.9/100). 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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Como's air quality reflects the enclosed lake basin position between the Larian Alps, with vehicle traffic on the A9 motorway and surrounding manufacturing and tourism industry contributing local sources. Lake Como's thermal lake breeze provides distinctive daily ventilation cycles, while the surrounding Alpine ridgelines create severe topographic enclosure that concentrates emissions under winter inversions, and the tourist season adds concentrated vehicle traffic throughout the warmer months.
Today - 16 July | Pollution peaks at 18:00
AQI:
Medium
58.2/100
PM2.5 (fine particles):
Good
8.5/100
PM10 (coarse particles):
Good
3.3/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Medium
58.2/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
10.5/100
PM1 (ultrafine particles):
Good
9.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 17:00
AQI:
Medium
49.9/100
PM2.5 (fine particles):
Good
10.9/100
PM10 (coarse particles):
Good
4.5/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Medium
49.9/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Fair
20.1/100
PM1 (ultrafine particles):
Good
12.7/100
Pollen forecast in Como
View pollen forecastFrequently Asked Questions
Is air quality bad in Como right now?
On 16 July 2026, overall air quality in Como is medium. AQI is the main air quality indicator at 58.2/100. Pollution peaks around 6:00 PM (O3: 58.2/100).
Will air quality be worse tomorrow in Como?
On 17 July 2026, air quality conditions in Como will be worse than today, with HCHO forecast at fair at 20.1/100. Pollution peaks around 5:00 PM (O3: 49.9/100).
When is air pollution at its worst in Como?
People in Como tend to notice reduced air quality when linden and chestnut pollen peaks, or because of vehicle traffic on the A9 motorway and neighbouring manufacturing and tourism industry; the clearest air tends to follow a change in wind direction or rainfall here.
Are air quality levels in Como 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 Italy?
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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