Check the historical data from individual sensors

Just click on the sensor in the above map to get its sensor ID code. Then find it in the list below. You will then be able to consult and download PM 2.5 data from the past 24 hours, 7 days, month and year, plus the 7-day moving average. For other data, such as from specific time or date ranges, please contact us

Sensor ID:

Get the apps!

We don’t yet have our own app, but we highly recommend downloading one or both of these. Both have unique features and allow you to track air quality in real time. Both are also available in English, though not yet in Catalan or Castellano. We hope to fix this soon.

Comes with widget


Special kids’ version


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