Hourly air-quality measurements for January 2025. The source contains measurements by hour, monitoring station and pollutant, providing more temporal detail than the daily series.
This page provides an editorial reading of the public source and does not treat codes, identifiers or coordinates as indicators.
What the source contains
The source contains measurements by hour, monitoring station and pollutant, providing more temporal detail than the daily series. The published total refers to rows or features in the dataset, using the unit stated above. No ranking is created from numeric codes.
How to use the data
Rows can be used to study variation within the day. Different pollutants must not be added together, and an isolated value needs its unit, station context and sensor validation.
Before comparing places or dates, check that the field, unit and period are equivalent. Where a column is an administrative identifier, it is used only to locate the record.
Limitations
Hourly granularity increases the number of records but not necessarily territorial coverage. Some hours or pollutants may have no valid reading.
València Informada provides orientation and does not replace consultation of the competent register or public service.