Air quality in Seville, Andalusia, Spain today

Mr. Duck’s Air Quality Score

Moderate air today for Seville, Andalusia, Spain

⚠️ 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 Seville today is classified as Moderate. The primary pollutant identified is PM2.5 (fine particles). The assessment is based on 29 valid measurements collected for the city. Measurements show a PM2.5 reference value of 11.5 µg/m³ and a PM10 reference value of 2.32 µg/m³. These reference values correspond to the concentrations used in the evaluation.

Data is shown via OpenAQ. The set of 29 observations provides the basis for the current classification. The PM2.5 reference of 11.5 µg/m³ and PM10 reference of 2.32 µg/m³ are the thresholds applied in the scoring process. 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 OpenAQ feed for Seville pulls data from eight monitoring sites, giving a total of 42 recent observations. Thirty‑five of those rows have been refreshed within the last 30 days, while seven are older than a month, so the overall picture is fairly current but includes a modest amount of legacy data. The dataset contains measurements for carbon monoxide (CO), nitrogen monoxide (NO), nitrogen dioxide (NO₂), ozone (O₃), particulate matter of 1 µm (PM1), 2.5 µm (PM2.5) and 10 µm (PM10) size fractions, sulfur dioxide (SO₂) and also lists fields for relative humidity, temperature and a sensor identifier (UM003), although the latter three have no reported values in the present rows.

For the pollutants with values, the most recent timestamps range from 2026‑02‑02 01:00 UTC (PM1) to 2026‑02‑09 05:00 UTC (CO, NO₂, SO₂) and 2026‑02‑09 03:00 UTC (O₃, PM2.5). NO shows a median of 8 µg/m³ with a spread from 2 to 27 µg/m³, while NO₂ is typically low, median 2 µg/m³ and a maximum of 10 µg/m³. CO concentrations are higher, median 419 µg/m³ and ranging up to 783 µg/m³. Ozone values sit between 64 and 84 µg/m³, median 81 µg/m³, and SO₂ stays between 3 and 5 µg/m³. Particulate matter is the most sparsely covered: PM10 appears in four rows with a median of 3.58 µg/m³ and a maximum of 7.21 µg/m³, PM2.5 also in four rows but often at the detection limit (median ≈0.48 µg/m³, max 11.5 µg/m³), and PM1 in a single row reporting zero. This uneven coverage means that while gases like CO and NO have a broader spatial sample, the finest particulate fractions are represented by only one measurement point, so city‑wide averages for those should be interpreted with caution.

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

Data for Seville are based on 29 valid measurements and are Updated within 30 days. The dataset was last refreshed on 2026-02-09T05:00:00+00:00. While this provides a recent overview, air quality can differ across neighborhoods and change throughout the day, so the values shown represent a snapshot rather than a comprehensive, city‑wide constant.

OpenAQ station rows