Spain · The summary is refreshed every 15 minutes.
No current value: fewer than four sensors at different places are reporting now.
Los Llanos de Aridane, November 12, 2026: daily mean PM2.5 3 µg/m³ (4 sensors), level “Low” — as in the Atmy Data Hub. Open methodology and data in JSON: Methodology and data sources · JSON
3 µg/m³ Low
Daily mean PM2.5 on November 12, 2026 (00:00–24:00 UTC): 3 µg/m³ from 4 sensors that passed the quality check — the same value as in the Atmy Data Hub.
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MataróSpain
26Palma de MallorcaSpain
14GijónSpain
7Cities with the most sensors
All sensors on the map, by city as the map assigns them; the city’s values count only the sensors that pass the Data Hub’s quality check.
Spain · City ranking · All pilot cities
Daily mean PM2.5 on November 12, 2026 (00:00–24:00 UTC): 3 µg/m³ from 4 sensors that passed the quality check — the same value as in the Atmy Data Hub.
Fresh data for Los Llanos de Aridane are insufficient (last update: 10:15 local time, 10:15 UTC). Open the map for the latest readings of individual sensors.
From Atmy sensors and connected public networks (citizen, experimental and government monitors), aggregated by Atmy. Values are approximate; see the methodology.
The summary is rebuilt every 15 minutes from the latest reading of each sensor, each no older than one hour.
The daily value is the Data Hub’s: the mean of the city’s sensors that passed the nightly quality check, each with at least 12 valid hours, and only with sensors at four places 500 m apart; days are UTC.
“Now” uses the same sensors and rule: the mean of their latest readings, each at most 60 minutes old, shown only with sensors at four places 500 m apart reporting.
Source: public Atmy monitoring data. Methodology and data sources · Data terms