Worst air pollution Perugia, today and tomorrow
Today (9 August): Air quality in Perugia is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 38.6/100).
Tomorrow (10 August 2026): Air quality in Perugia is medium. AQI improves to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 6:00 PM (O3: 46.9/100). Airmine updates local air quality forecasts four times daily.
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Perugia's air quality reflects its position on the elevated Umbrian hills at 493 metres above the Tiber valley, with the hilltown position generally providing better conditions than the enclosed Tiber valley floor below. Vehicle traffic on the E45 motorway and the surrounding tobacco and ceramics manufacturing industry contribute local sources, while the Umbrian valley's topographic variation means Perugia's hilltop districts consistently record cleaner conditions than the industrial valley floor settlements and the ancient walled city perch above the surrounding countryside.
Today - 9 August | Pollution peaks at 12:00
AQI:
Fair
38.6/100
PM2.5 (fine particles):
Good
6.0/100
PM10 (coarse particles):
Good
1.9/100
NO2 (nitrogen dioxide):
Good
2.5/100
O3 (ozone):
Fair
38.6/100
SO2 (sulfur dioxide):
Good
0.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
10.9/100
PM1 (ultrafine particles):
Good
7.6/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 18:00
AQI:
Medium
46.9/100
PM2.5 (fine particles):
Good
5.5/100
PM10 (coarse particles):
Good
1.6/100
NO2 (nitrogen dioxide):
Good
2.7/100
O3 (ozone):
Medium
46.9/100
SO2 (sulfur dioxide):
Good
0.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
18.8/100
PM1 (ultrafine particles):
Good
7.1/100
Pollen forecast in Perugia
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Frequently Asked Questions
Is air quality bad in Perugia right now?
On 9 August 2026, overall air quality in Perugia is fair. AQI is the main air quality indicator at 38.6/100. Pollution peaks around 12:00 PM (O3: 38.6/100).
Will air quality be worse tomorrow in Perugia?
On 10 August 2026, air quality conditions in Perugia will be better than today, with AQI forecast at medium at 46.9/100. Pollution peaks around 6:00 PM (O3: 46.9/100).
When is air pollution at its worst in Perugia?
Residents in Perugia are likeliest to notice reduced air quality when olive and linden pollen peaks, or due to vehicle traffic on the E45 motorway and the surrounding tobacco and ceramics manufacturing industry; the rest of the calendar year is generally more forgiving for air quality.
Are air quality levels in Perugia 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: 10 August 2026 at 02:34 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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