Locally-managed automatic monitoring
The location and purpose of these sites differs from Defra’s national network which is governed by strict rules of the air quality directives. As a result, there is a broad range of site types, equipment and data quality practices used in the locally managed networks. Users are encouraged to challenge, review and understand the data at its original published source for detailed site metadata and guidance on the QA procedures applied to assess the suitability and quality of the data. More information can be found on the details page.