Worst air pollution Rho, today and tomorrow
Today (9 August): Air quality in Rho is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 57.2/100).
Tomorrow (10 August 2026): Air quality in Rho is poor. AQI worsens to poor; O3 increases to poor; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 2:00 PM (O3: 61.3/100). Airmine updates local air quality forecasts four times daily.
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Rho's air quality faces the Po Valley's enclosed flat basin in the western Milan metropolitan area, with vehicle traffic on the A8 and A4 motorways and the Malpensa Airport's aviation approach corridor generating elevated NOₓ and aviation PM2.5 alongside the Fiera Milano exhibition complex's concentrated event traffic. The flat Lombardy plain's persistent winter anticyclones trap emissions, while the airport and motorway convergence makes Rho one of northwestern Italy's more distinctively multi-modal transport-influenced urban environments.
Today - 9 August | Pollution peaks at 15:00
AQI:
Medium
57.2/100
PM2.5 (fine particles):
Good
11.1/100
PM10 (coarse particles):
Good
3.3/100
NO2 (nitrogen dioxide):
Good
1.9/100
O3 (ozone):
Medium
57.2/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
13.1/100
PM1 (ultrafine particles):
Good
14.6/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 14:00
AQI:
Poor
61.3/100
PM2.5 (fine particles):
Good
15.8/100
PM10 (coarse particles):
Good
4.4/100
NO2 (nitrogen dioxide):
Good
2.2/100
O3 (ozone):
Poor
61.3/100
SO2 (sulfur dioxide):
Good
0.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
16.4/100
PM1 (ultrafine particles):
Fair
21.3/100
Pollen forecast in Rho
View pollen forecastFrequently Asked Questions
Is air quality bad in Rho right now?
On 9 August 2026, overall air quality in Rho is medium. AQI is the main air quality indicator at 57.2/100. Pollution peaks around 3:00 PM (O3: 57.2/100).
Will air quality be worse tomorrow in Rho?
On 10 August 2026, air quality conditions in Rho will be worse than today, with AQI forecast at poor at 61.3/100. Pollution peaks around 2:00 PM (O3: 61.3/100).
When is air pollution at its worst in Rho?
In Rho, reduced air quality is most noticeable when metropolitan industrial landscape oak and linden pollen peaks, and on days affected by vehicle traffic on the A8 and A4 motorways and the Malpensa Airport's aviation approach corridor; conditions generally improve once the season shifts and rainfall or stronger winds return.
Are air quality levels in Rho 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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