Air quality in Naples, Campania, Italy today

Mr. Duck’s Air Quality Score

Moderate air today for Naples, Campania, Italy

⚠️ This website is currently under active development. Some data may be incomplete or temporarily inaccurate. For health-critical decisions, please verify information through official government or environmental sources.

Categories follow US EPA AQI breakpoints for PM (estimate from latest valid measurements; this project does not compute EPA NowCast/24-hour AQI yet).

This friendly indicator summarizes the latest city readings. For health guidance, please see: EPA AirNow or WHO.

Air quality today

The air quality in Naples today falls into the Moderate category. The primary pollutant identified is PM2.5 (fine particles).

Measurements recorded by OpenAQ show a PM2.5 reference value of 9.16 and a PM10 reference value of 31.2, based on 21 valid observations. This page is informational; for health guidance, use official sources such as EPA AirNow or WHO.

Latest sensor values

PM categories follow US EPA AQI breakpoints, shown here as an estimate derived from the latest valid measurements (this project does not compute EPA NowCast/24-hour AQI yet).

What the data includes

The dataset for Naples aggregates measurements from 12 monitoring sites across 40 recorded rows, covering a suite of ten atmospheric variables: carbon monoxide (CO), nitrogen dioxide (NO₂), ozone (O₃), particulate matter sized ≤1 µm (PM₁), ≤10 µm (PM₁₀), and ≤2.5 µm (PM₂.₅), relative humidity, sulfur dioxide (SO₂), temperature and the additional field UM003. For most pollutants the latest observations are recent: CO, NO₂, PM₁₀, PM₂.₅, O₃ and SO₂ all have a “last updated” timestamp of 2026‑02‑07 07:00 UTC, which falls within the past week. The median values recorded at these sites show a modest spread – for example, NO₂ ranges from 2.9 to 83.7 µg/m³ with a median of 21.5 µg/m³, while PM₁₀ varies between about 1.1 and 31.2 µg/m³ with a median of 18.4 µg/m³. CO exhibits a broader range from 200 to 1 180 µg/m³, centered around a median of 430 µg/m³, indicating notable variability across the city’s monitoring points.

In contrast, PM₁ and relative humidity have only a single recorded row each, both lacking a timestamp; their freshness is therefore unknown. This limited coverage means that for these two variables the dataset cannot describe temporal changes or spatial differences within Naples. Overall, 25 % of the rows are classified as “old” (recorded more than seven days ago) and six rows have an unknown update status, highlighting that while many key pollutants are tracked with recent data, a portion of the record is outdated or missing timestamps. Consequently, the picture of air quality in Naples reflects fairly current information for most regulated gases and larger particulates, but gaps remain for finer particles and humidity, which could lead to variations in conditions that are not captured by the available measurements.

Learn more about sources and filtering: About the data.

Trusted references: WHO (Air pollution) · US EPA AirNow · European Environment Agency (Air)

Latest sensor values (bars)

PM categories follow US EPA AQI breakpoints, shown here as an estimate derived from the latest valid measurements (this project does not compute EPA NowCast/24-hour AQI yet).

Data notes

The data set for Naples includes 21 valid measurements and is Updated within 7 days; the latest values were recorded on 2026‑02‑07T07:00:00+00:00. This snapshot reflects conditions at the time of collection, but air quality can differ across neighborhoods and change throughout the day, so individual experiences may vary from what is shown here.

OpenAQ station rows