Worst air pollution Portici, today and tomorrow
Today (9 August): Air quality in Portici is poor. AQI and O3 are poor; PM2.5, HCHO, and PM1 are fair; PM10, NO2, SO2, and CO are good. Pollution peaks around 2:00 PM (O3: 64.9/100).
Tomorrow (10 August 2026): Air quality in Portici is poor. PM2.5 decreases to good; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 66.2/100). Airmine updates local air quality forecasts four times daily.
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Portici's air quality reflects the densely urbanised Naples metropolitan coastal corridor between Vesuvius and the Bay of Naples, with vehicle traffic on the A3 motorway and the dense urban residential character generating elevated NOₓ and PM2.5. The Tyrrhenian sea breezes provide coastal ventilation, while Vesuvius's fumarolic SO₂ contributes a distinctive volcanic background emission source and the Campanian coastal plain's extreme vehicle density maintains Portici among the more consistently elevated southern Italian suburban environments.
Today - 9 August | Pollution peaks at 14:00
AQI:
Poor
64.9/100
PM2.5 (fine particles):
Fair
21.3/100
PM10 (coarse particles):
Good
6.7/100
NO2 (nitrogen dioxide):
Good
18.2/100
O3 (ozone):
Poor
64.9/100
SO2 (sulfur dioxide):
Good
1.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
22.9/100
PM1 (ultrafine particles):
Fair
24.7/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 13:00
AQI:
Poor
66.2/100
PM2.5 (fine particles):
Good
19.0/100
PM10 (coarse particles):
Good
5.7/100
NO2 (nitrogen dioxide):
Good
15.2/100
O3 (ozone):
Poor
66.2/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
22.9/100
PM1 (ultrafine particles):
Fair
23.5/100
Pollen forecast in Portici
View pollen forecastFrequently Asked Questions
Is air quality bad in Portici right now?
On 9 August 2026, overall air quality in Portici is poor. AQI is the main air quality indicator at 64.9/100. Pollution peaks around 2:00 PM (O3: 64.9/100).
Will air quality be worse tomorrow in Portici?
On 10 August 2026, air quality conditions in Portici will be similar to today, with AQI forecast at poor at 66.2/100. Pollution peaks around 1:00 PM (O3: 66.2/100).
When is air pollution at its worst in Portici?
Residents in Portici are likeliest to notice reduced air quality when volcanic slope corridor olive and lemon pollen peaks, or due to vehicle traffic on the A3 motorway and the dense urban residential character; background levels usually settle back down once the season changes.
Are air quality levels in Portici 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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