Worst air pollution La Spezia, today and tomorrow
Today (9 August): Air quality in La Spezia is fair. O3 is fair; AQI and NO2 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 AM (NO2: 47.1/100).
Tomorrow (10 August 2026): Air quality in La Spezia is medium. O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 6:00 PM (O3: 43.5/100). Airmine updates local air quality forecasts four times daily.
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La Spezia's air quality reflects the Gulf of La Spezia's partially enclosed coastal basin between the Ligurian Apennines and the Portofino promontory, with the Italian Navy Arsenal, container port operations, and vehicle traffic on the A15 motorway generating local sources. The Golfo dei Poeti's enclosed geometry can concentrate port and naval base emissions under calm Mediterranean anticyclonic conditions, while the Ligurian sea breezes provide periodic ventilation.
Today - 9 August | Pollution peaks at 02:00
AQI:
Medium
47.1/100
PM2.5 (fine particles):
Good
14.4/100
PM10 (coarse particles):
Good
5.2/100
NO2 (nitrogen dioxide):
Medium
47.1/100
O3 (ozone):
Fair
38.0/100
SO2 (sulfur dioxide):
Good
7.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
15.4/100
PM1 (ultrafine particles):
Good
13.5/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 18:00
AQI:
Medium
43.5/100
PM2.5 (fine particles):
Good
12.2/100
PM10 (coarse particles):
Good
4.5/100
NO2 (nitrogen dioxide):
Medium
41.3/100
O3 (ozone):
Medium
43.5/100
SO2 (sulfur dioxide):
Good
6.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
13.9/100
PM1 (ultrafine particles):
Good
11.2/100
Pollen forecast in La Spezia
View pollen forecastFrequently Asked Questions
Is air quality bad in La Spezia right now?
On 9 August 2026, overall air quality in La Spezia is fair. O3 is the main pollutant at 38.0/100. Pollution peaks around 2:00 AM (NO2: 47.1/100).
Will air quality be worse tomorrow in La Spezia?
On 10 August 2026, air quality conditions in La Spezia will be better than today, with AQI forecast at medium at 43.5/100. Pollution peaks around 6:00 PM (O3: 43.5/100).
When is air pollution at its worst in La Spezia?
Reduced air quality in La Spezia is most likely when local tree and grass allergens peaks, alongside periods of the Italian Navy Arsenal, container port operations, and vehicle traffic on the A15 motorway; the picture usually improves again once the season turns.
Are air quality levels in La Spezia 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: 9 August 2026 at 20:27 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.
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