Worst air pollution Genoa, today and tomorrow
Today (20 September): Air quality in Genoa is moderate. AQI, PM2.5, and NO2 are moderate; PM10, O3, and PM1 are fair; SO2, CO, and HCHO are good. Pollution peaks around 10:00 AM (NO2: 48.0/100).
Tomorrow (21 September 2026): Air quality in Genoa is poor. AQI worsens to poor; NO2 increases to poor; all other pollutants stay as today. Pollution peaks around 11:00 AM (NO2: 70.6/100). Airmine updates local air quality forecasts four times daily.
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Genoa's air quality faces challenging topography, with the city built on narrow coastal terraces between the Ligurian Sea and the steep Apennine ridge that effectively traps vehicle, port, and industrial emissions on calm days. The Scirocco and Tramontana winds provide periodic ventilation, but Genoa's enclosed valley position and heavy port traffic make it one of northern Italy's more challenging urban air quality environments.
Today - 20 September | Pollution peaks at 10:00
AQI:
Moderate
48.0/100
PM2.5 (fine particles):
Moderate
42.6/100
PM10 (coarse particles):
Fair
23.9/100
NO2 (nitrogen dioxide):
Moderate
48.0/100
O3 (ozone):
Fair
26.7/100
SO2 (sulfur dioxide):
Good
4.4/100
CO (carbon monoxide):
Good
0.9/100
HCHO (formaldehyde):
Good
13.6/100
PM1 (ultrafine particles):
Fair
24.4/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 11:00
AQI:
Poor
70.6/100
PM2.5 (fine particles):
Moderate
44.0/100
PM10 (coarse particles):
Fair
24.0/100
NO2 (nitrogen dioxide):
Poor
70.6/100
O3 (ozone):
Fair
21.8/100
SO2 (sulfur dioxide):
Good
8.0/100
CO (carbon monoxide):
Good
1.0/100
HCHO (formaldehyde):
Good
10.6/100
PM1 (ultrafine particles):
Fair
25.7/100
Pollen forecast in Genoa
View pollen forecastFrequently Asked Questions
Is air quality bad in Genoa right now?
On 20 September 2026, overall air quality in Genoa is moderate. AQI is the main air quality indicator at 48.0/100. Pollution peaks around 10:00 AM (NO2: 48.0/100).
Will air quality be worse tomorrow in Genoa?
On 21 September 2026, air quality conditions in Genoa will be worse than today, with AQI forecast at poor at 70.6/100. Pollution peaks around 11:00 AM (NO2: 70.6/100).
When is air pollution at its worst in Genoa?
Genoa residents notice reduced air quality mainly when olive and cypress peaks pollen peaks, and during spells of the Scirocco and Tramontana winds provide periodic ventilation, but Genoa's enclosed valley position; a shift to wetter or windier weather typically brings noticeable relief.
Are air quality levels in Genoa 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 20 September 2026 at 14:33 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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