Worst air pollution Sesto San Giovanni, today and tomorrow
Today (30 August): Air quality in Sesto San Giovanni is poor. AQI and O3 are poor; PM2.5, NO2, and PM1 are fair; PM10, SO2, CO, and HCHO are good. Pollution peaks around 2:00 PM (O3: 63.0/100).
Tomorrow (31 August 2026): Air quality in Sesto San Giovanni is poor. PM2.5 decreases to good; NO2 decreases to good; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 66.5/100). Airmine updates local air quality forecasts four times daily.
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Sesto San Giovanni's air quality reflects the northern Milan metropolitan area, sharing the Po Valley's notorious enclosed basin with the additional burden of the Breda and Falck steel legacy industrial complex historically making this one of Italy's most industrialised municipalities. Vehicle traffic on the surrounding Milan ring roads and the dense urban industrial character maintain elevated PM2.5 and NOₓ under the Po Valley's persistent winter anticyclones throughout the year.
Today - 30 August | Pollution peaks at 14:00
AQI:
Poor
63.0/100
PM2.5 (fine particles):
Fair
23.2/100
PM10 (coarse particles):
Good
8.9/100
NO2 (nitrogen dioxide):
Fair
25.4/100
O3 (ozone):
Poor
63.0/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
19.4/100
PM1 (ultrafine particles):
Fair
27.5/100
Levels show the poorest local air quality during the day
Tomorrow - 31 August | Pollution peaks at 13:00
AQI:
Poor
66.5/100
PM2.5 (fine particles):
Good
15.8/100
PM10 (coarse particles):
Good
6.3/100
NO2 (nitrogen dioxide):
Good
14.0/100
O3 (ozone):
Poor
66.5/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
14.3/100
PM1 (ultrafine particles):
Good
18.1/100
Pollen forecast in Sesto San Giovanni
View pollen forecastFrequently Asked Questions
Is air quality bad in Sesto San Giovanni right now?
On 30 August 2026, overall air quality in Sesto San Giovanni is poor. AQI is the main air quality indicator at 63.0/100. Pollution peaks around 2:00 PM (O3: 63.0/100).
Will air quality be worse tomorrow in Sesto San Giovanni?
On 31 August 2026, air quality conditions in Sesto San Giovanni will be similar to today, with AQI forecast at poor at 66.5/100. Pollution peaks around 1:00 PM (O3: 66.5/100).
When is air pollution at its worst in Sesto San Giovanni?
In Sesto San Giovanni, reduced air quality is most noticeable when oak and birch pollen peaks, and on days affected by vehicle traffic on the neighbouring Milan ring roads and the dense urban industrial character maintain; the picture usually improves again once the season turns.
Are air quality levels in Sesto San Giovanni 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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