Air quality
Air quality in Naples today
Updated
Good (US AQI 34) Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. Model estimate for Sun, Oct 25, 8:23 pm (19:23 UTC).
Live AQI, PM2.5, PM10 and ozone for Naples, Campania, Italy, with a 48-hour forecast and the best time to be outside.
- US AQI now
- 34 Good
- PM2.5
- 8.1 µg/m³ 0.5× WHO 24-h guideline
- PM10
- 15 µg/m³
- Ozone
- 43 µg/m³
Air quality in Naples right now
Right now the modelled US Air Quality Index for Naples, Campania, Italy is 34, which falls in the "Good" band (up to 50). Air quality is satisfactory and poses little or no risk; a good time for outdoor activity.
PM2.5 is 8.1 µg/m³, within the WHO 24-hour guideline of 15 µg/m³; PM10 is 15 µg/m³ against a guideline of 45; ozone is 43 µg/m³ (below the WHO 8-hour level of 100); nitrogen dioxide is 40 µg/m³ (above the 24-hour guideline of 25).
NASA FIRMS shows 10 fire hotspots within 300 km in the last day (nearest about 114 km), but particle levels are not elevated enough to point to smoke right now.
Naples vs the rest of Italy
Across 14 Italy cities we track, the average US AQI right now is 45 (Good). Naples at 34 is 11 points cleaner than average.
It ranks 1 of 14 from cleanest to most polluted; the cleanest is Naples (34) and the most polluted Monza (66).
For context, the median across 3,909 cities worldwide is 56.
Air quality in cities near Naples
| City | Distance | US AQI | Category | PM2.5 µg/m³ |
|---|---|---|---|---|
| Rome | 187 km | 39 | Good | 12.9 |
| Bari | 220 km | 39 | Good | 3 |
| Palermo | 314 km | 38 | Good | 3.1 |
| Split | 345 km | 29 | Good | 7.2 |
| Zadar | 371 km | 38 | Good | 4.6 |
| Catania | 380 km | 34 | Good | 4.7 |
Model vs measured
The nearest measured PM2.5 reading is 4.2 µg/m³ from Sensor.Community (median of 6 sensors), centred about 21 km from the city centre. That is 3.9 µg/m³ below the model estimate of 8.1 µg/m³. Low-cost sensors can read high in humid air; reference monitors are more accurate but sparser.
Advice for sensitive groups
With the AQI at 34, there is no need for sensitive groups to change plans. People with asthma should still carry their reliever inhaler as usual.
What the US AQI numbers mean
| US AQI | Category | What it means |
|---|---|---|
| 0-50 | Good | Air quality is satisfactory and poses little or no risk; a good time for outdoor activity. |
| 51-100 | Moderate | Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors. |
| 101-150 | Unhealthy for Sensitive Groups | People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors. |
| 151-200 | Unhealthy | Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed. |
| 201-300 | Very Unhealthy | Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors. |
| 301-500 | Hazardous | Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500. |
Values on this page are modelled by CAMS (Copernicus) and served by Open-Meteo; they are estimates for the area around the city centre, not readings from an official monitor.
Nearby cities
More for Naples
Air quality elsewhere
Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS), Sensor.Community, NASA FIRMS.