Worst air pollution Bologna, today and tomorrow
Today (16 July): Air quality in Bologna is poor. AQI and O3 are poor; NO2 is fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 PM (O3: 60.8/100).
Tomorrow (17 July 2026): Air quality in Bologna is poor. HCHO increases to fair; all other pollutants stay as today. Pollution peaks around 2:00 PM (O3: 60.6/100). 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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Bologna's air quality faces the Po Valley's notorious flat basin topography, with the Apennines to the south creating a partial barrier and the Alps to the north completing the enclosure that traps vehicle and industrial emissions under winter anticyclones. Bologna's dense historic centre traffic and the Via Emilia corridor's heavy goods vehicle flow generate sustained elevated NO₂ and PM2.5, making this one of northern Italy's more polluted mid-sized cities.
Today - 16 July | Pollution peaks at 14:00
AQI:
Poor
60.8/100
PM2.5 (fine particles):
Good
14.9/100
PM10 (coarse particles):
Good
5.6/100
NO2 (nitrogen dioxide):
Fair
29.9/100
O3 (ozone):
Poor
60.8/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.2/100
PM1 (ultrafine particles):
Good
17.6/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 14:00
AQI:
Poor
60.6/100
PM2.5 (fine particles):
Good
14.7/100
PM10 (coarse particles):
Good
6.0/100
NO2 (nitrogen dioxide):
Fair
21.5/100
O3 (ozone):
Poor
60.6/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
20.3/100
PM1 (ultrafine particles):
Good
15.6/100
Pollen forecast in Bologna
View pollen forecastFrequently Asked Questions
Is air quality bad in Bologna right now?
On 16 July 2026, overall air quality in Bologna is poor. AQI is the main air quality indicator at 60.8/100. Pollution peaks around 2:00 PM (O3: 60.8/100).
Will air quality be worse tomorrow in Bologna?
On 17 July 2026, air quality conditions in Bologna will be similar to today, with AQI forecast at poor at 60.6/100. Pollution peaks around 2:00 PM (O3: 60.6/100).
When is air pollution at its worst in Bologna?
Reduced air quality in Bologna is most likely when oak and hornbeam pollen peaks, alongside periods of the Apennines to the south; the picture usually improves again once the season turns.
Are air quality levels in Bologna 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