Worst air pollution Piazza del Popolo - Rome, today and tomorrow

Today (9 August): Air quality in Piazza del Popolo is fair. NO2 and PM1 are fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 2:00 PM (O3: 47.7/100).
Tomorrow (10 August 2026): Air quality in Piazza del Popolo is fair. PM2.5 increases to fair; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 55.3/100). Airmine updates local air quality forecasts four times daily.

Get the full experience in the Airmine app.

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.

Rome's Piazza del Popolo and the northern gate of Rome record moderate to elevated air quality from concentrated traffic at this major entry point to the historic centre, with the Viale Flaminia and surrounding ring roads generating sustained emissions. The Tiber valley to the west provides some ventilation relief on westerly wind days.

Today - 9 August | Pollution peaks at 14:00

AQI:

Medium

47.7/100

PM2.5 (fine particles):

Good

17.4/100

PM10 (coarse particles):

Good

5.7/100

NO2 (nitrogen dioxide):

Fair

31.9/100

O3 (ozone):

Medium

47.7/100

SO2 (sulfur dioxide):

Good

2.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

19.5/100

PM1 (ultrafine particles):

Fair

20.6/100

Levels show the poorest local air quality during the day

Tomorrow - 10 August | Pollution peaks at 15:00

AQI:

Medium

55.3/100

PM2.5 (fine particles):

Fair

20.9/100

PM10 (coarse particles):

Good

6.6/100

NO2 (nitrogen dioxide):

Fair

27.4/100

O3 (ozone):

Medium

55.3/100

SO2 (sulfur dioxide):

Good

3.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

16.3/100

PM1 (ultrafine particles):

Fair

24.2/100

Other Landmarks in Rome

Sports venues in Rome

Frequently Asked Questions

Is air quality bad in Piazza del Popolo right now?

On 9 August 2026, overall air quality in Piazza del Popolo is fair. NO2 is the main pollutant at 31.9/100. Pollution peaks around 2:00 PM (O3: 47.7/100).

Will air quality be worse tomorrow in Piazza del Popolo?

On 10 August 2026, air quality conditions in Piazza del Popolo will be similar to today, with NO2 forecast at fair at 27.4/100. Pollution peaks around 3:00 PM (O3: 55.3/100).

When is air pollution at its worst in Piazza del Popolo?

People in Piazza del Popolo tend to notice reduced air quality when pine and plane pollen peaks, or because of the Viale Flaminia and neighbouring ring roads; wind and rain both help clear the air fairly quickly here.

Are air quality levels in Piazza del Popolo 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.

Want to see air quality forecasts for other cities in Italy?

Check air quality in other popular cities:

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.

Get the full experience in the Airmine app.