Worst air pollution Marigliano, today and tomorrow
Today (20 September): Air quality in Marigliano is moderate. AQI, PM2.5, and PM1 are moderate; PM10, NO2, and O3 are fair; SO2, CO, and HCHO are good. Pollution peaks around 7:00 AM (PM1: 43.8/100).
Tomorrow (21 September 2026): Air quality in Marigliano is moderate. NO2 increases to moderate; HCHO increases to fair; all other pollutants stay as today. Pollution peaks around 9:00 AM (NO2: 47.8/100). Airmine updates local air quality forecasts four times daily.
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vehicle traffic and the dense Naples-area industrial belt is the main factor behind local air quality trends in Marigliano, set against its position on the Campanian plain northeast of Naples within Campania. Days with active weather systems tend to bring the clearest conditions, while extended calm spells allow local emissions to build up more noticeably.
Today - 20 September | Pollution peaks at 07:00
AQI:
Moderate
43.8/100
PM2.5 (fine particles):
Moderate
40.6/100
PM10 (coarse particles):
Fair
26.3/100
NO2 (nitrogen dioxide):
Fair
34.3/100
O3 (ozone):
Fair
30.6/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
1.0/100
HCHO (formaldehyde):
Good
16.6/100
PM1 (ultrafine particles):
Moderate
43.8/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 09:00
AQI:
Moderate
47.8/100
PM2.5 (fine particles):
Moderate
41.5/100
PM10 (coarse particles):
Fair
27.3/100
NO2 (nitrogen dioxide):
Moderate
47.8/100
O3 (ozone):
Fair
31.9/100
SO2 (sulfur dioxide):
Good
1.7/100
CO (carbon monoxide):
Good
1.1/100
HCHO (formaldehyde):
Fair
21.0/100
PM1 (ultrafine particles):
Moderate
46.7/100
Pollen forecast in Marigliano
View pollen forecastFrequently Asked Questions
Is air quality bad in Marigliano right now?
On 20 September 2026, overall air quality in Marigliano is moderate. AQI is the main air quality indicator at 43.8/100. Pollution peaks around 7:00 AM (PM1: 43.8/100).
Will air quality be worse tomorrow in Marigliano?
On 21 September 2026, air quality conditions in Marigliano will be similar to today, with AQI forecast at moderate at 47.8/100. Pollution peaks around 9:00 AM (NO2: 47.8/100).
When is air pollution at its worst in Marigliano?
Watch for reduced air quality in Marigliano around pine and oak pollen peaks and during vehicle traffic and the dense Naples-area industrial belt; conditions elsewhere in the Campania calendar are usually noticeably better, especially once the weather turns more active.
Are air quality levels in Marigliano 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: 20 September 2026 at 14:33 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.
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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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