UK-AIR Sensor Observation Service
The service provider is described on the Capabilities document as: Ricardo Energy & Environment (http://ee.ricardo.com/cms/). The phone number and email address are on the GetCapabilities response document in the <ows:ServiceProvider> element.
This is an OGC standards based Sensor Observation Service interface to Defra's UK Air Information Resource (UK-AIR). The service supports the UK obligations to European air quality e-Reporting initiative and Defra Open Data policy. The SOS provides a machine readable access point for air pollution measurements funded by Defra, Scottish Government, Welsh Government and Department of the Environment Northern Ireland. The service implements INSPIRE guidelines. You can read more about the European air quality e-Reporting initiative and the OGC SOS 2.0 standard.