no presence of station ID in api results
While sending a request to your endpoint aq_measurment, output related to the station is only the name of the station. This information is highly case/space/utf8 sensitive. Many user will have problems related to this.
Besides, the information called rawreadingid seems to be the ID of the timeseries which confused me a bit at the beginning.
It would be easier to get the ID of the station, like 'D6', which corresponds to the station at Pearse Street,Dublin.