(Air quality data) [http://uk-air.defra.gov.uk/data]
(some links to data stores on Welsh health issues) [http://www.wales.nhs.uk/sitesplus/922/page/49884#Data_warehouse]
(Air quality data) [http://uk-air.defra.gov.uk/data]
(some links to data stores on Welsh health issues) [http://www.wales.nhs.uk/sitesplus/922/page/49884#Data_warehouse]