Worst air pollution Mestre, today and tomorrow

Today (16 July): Air quality in Mestre is poor. AQI and O3 are poor; NO2 is fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 68.2/100).
Tomorrow (17 July 2026): Air quality in Mestre is poor. PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 4:00 PM (O3: 72.8/100). 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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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 - 16 July | Pollution peaks at 16:00

AQI:

Poor

68.2/100

PM2.5 (fine particles):

Good

10.7/100

PM10 (coarse particles):

Good

3.4/100

NO2 (nitrogen dioxide):

Fair

22.9/100

O3 (ozone):

Poor

68.2/100

SO2 (sulfur dioxide):

Good

1.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

5.7/100

PM1 (ultrafine particles):

Good

13.3/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 16:00

AQI:

Poor

72.8/100

PM2.5 (fine particles):

Good

17.7/100

PM10 (coarse particles):

Good

4.9/100

NO2 (nitrogen dioxide):

Fair

29.4/100

O3 (ozone):

Poor

72.8/100

SO2 (sulfur dioxide):

Good

1.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

8.1/100

PM1 (ultrafine particles):

Fair

23.1/100

Pollen forecast in Mestre

View pollen forecast

Frequently Asked Questions

Is air quality bad in Mestre right now?

On 16 July 2026, overall air quality in Mestre is poor. AQI is the main air quality indicator at 68.2/100. Pollution peaks around 4:00 PM (O3: 68.2/100).

Will air quality be worse tomorrow in Mestre?

On 17 July 2026, air quality conditions in Mestre will be similar to today, with AQI forecast at poor at 72.8/100. Pollution peaks around 4:00 PM (O3: 72.8/100).

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.

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