City in Campania, Italy
Air quality in Naples
Moderate
The annual average PM2.5 in Naples was 15 µg/m³ in 2021, about 3.0 times the WHO guideline of 5 µg/m³. Heavy traffic raises PM2.5 and NO2 in winter and during stagnant weather.
Key facts
- PM2.5: 15 µg/m³ yearly average (2021). Measured at Napoli.
- PM10: 32 µg/m³ (2021).
- Nitrogen dioxide: 29 µg/m³ (2021), mostly from traffic.
- Worst months: Dec–Feb.
- Recent average: 15.8 µg/m³ over the last five years of measurements.
PM2.5 by year
| Year | Annual average |
|---|---|
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 |
Air quality across Italy
| Place | PM2.5 | Level |
|---|---|---|
| Cinque Terre | 9 µg/m³ | Fairly clean |
| Syracuse | 10 µg/m³ | Fairly clean |
| Calabria | 10 µg/m³ | Fairly clean |
| Lake Maggiore | 10.2 µg/m³ | Moderate |
| Genoa | 11 µg/m³ | Moderate |
| Umbria | 11 µg/m³ | Moderate |
| Rome | 12 µg/m³ | Moderate |
| Florence | 12 µg/m³ | Moderate |
| Tuscany | 12 µg/m³ | Moderate |
| Puglia | 12 µg/m³ | Moderate |
| Bari | 12 µg/m³ | Moderate |
| Amalfi Coast | 12.8 µg/m³ | Moderate |
| Sicily | 13 µg/m³ | Moderate |
| Pisa | 13 µg/m³ | Moderate |
| Palermo | 13 µg/m³ | Moderate |
| Catania | 13 µg/m³ | Moderate |
| Lecce | 13 µg/m³ | Moderate |
| Abruzzo | 13 µg/m³ | Moderate |
| Sardinia | 13.1 µg/m³ | Moderate |
| Cagliari | 13.1 µg/m³ | Moderate |
| Lake Como | 14.8 µg/m³ | Moderate |
| Naples | 15 µg/m³ | Moderate |
| Bologna | 15 µg/m³ | Moderate |
| Rimini | 15 µg/m³ | Moderate |
| Lake Garda | 18.4 µg/m³ | Polluted |
| Bergamo | 19 µg/m³ | Polluted |
| Milan | 20 µg/m³ | Polluted |
| Verona | 20 µg/m³ | Polluted |
| Turin | 20 µg/m³ | Polluted |
| Venice | 22 µg/m³ | Polluted |
Quick answers
Is the air in Naples bad?
Moderate: 15 µg/m³ of PM2.5 on average, 3.0× the WHO guideline. It's usually worst in Dec–Feb.
When is the air worst in Naples?
Heavy traffic raises PM2.5 and NO2 in winter and during stagnant weather.
How does Naples compare with the rest of Italy?
People in Italy breathe 14 µg/m³ of PM2.5 on average (2023, World Bank/WHO), against 15 µg/m³ measured here.
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Sources
- WHO Ambient Air Quality Database
- WHO air quality guidelines (2021)
- Live air quality map (WAQI)
- ANM Napoli
- EAV Circumvesuviana
- Trenitalia
Annual averages are measured values reported to the WHO; check a live map for today's air. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.