Worst air pollution Mestre, today and tomorrow
Today (30 August): Air quality in Mestre is moderate. AQI and O3 are moderate; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (O3: 50.1/100).
Tomorrow (31 August 2026): Air quality in Mestre is poor. AQI worsens to poor; NO2 increases to fair; O3 increases to poor; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 66.2/100). Airmine updates local air quality forecasts four times daily.
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Mestre's air quality reflects the Venetian mainland position on the edge of the Po Valley, sharing the Po plain's enclosed basin challenge with the additional burden of the Porto Marghera petrochemical complex generating elevated SO₂, NOₓ, and industrial PM2.5. The Laguna Veneta's sea breezes provide limited maritime ventilation, while the Po Valley's winter anticyclones create extended inversion episodes that concentrate all emission sources across the mainland.
Today - 30 August | Pollution peaks at 17:00
AQI:
Moderate
50.1/100
PM2.5 (fine particles):
Good
13.4/100
PM10 (coarse particles):
Good
6.2/100
NO2 (nitrogen dioxide):
Good
18.2/100
O3 (ozone):
Moderate
50.1/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.9/100
PM1 (ultrafine particles):
Good
15.1/100
Levels show the poorest local air quality during the day
Tomorrow - 31 August | Pollution peaks at 15:00
AQI:
Poor
66.2/100
PM2.5 (fine particles):
Good
17.5/100
PM10 (coarse particles):
Good
6.0/100
NO2 (nitrogen dioxide):
Fair
29.1/100
O3 (ozone):
Poor
66.2/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.5/100
PM1 (ultrafine particles):
Fair
21.3/100
Pollen forecast in Mestre
View pollen forecastFrequently Asked Questions
Is air quality bad in Mestre right now?
On 30 August 2026, overall air quality in Mestre is moderate. AQI is the main air quality indicator at 50.1/100. Pollution peaks around 5:00 PM (O3: 50.1/100).
Will air quality be worse tomorrow in Mestre?
On 31 August 2026, air quality conditions in Mestre will be worse than today, with AQI forecast at poor at 66.2/100. Pollution peaks around 3:00 PM (O3: 66.2/100).
When is air pollution at its worst in Mestre?
People in Mestre tend to notice reduced air quality when waterfront oak and plane pollen peaks, or because of the additional burden of the Porto Marghera petrochemical complex; wind and rain both help clear the air fairly quickly here.
Are air quality levels in Mestre 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: 30 August 2026 at 20:26 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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