Datasets Members About Activity Stream Order by Relevance Name Ascending Name Descending Last Modified Go 1 dataset found Groups: Air Licenses: OGL-UK-3.0 Diffusion Tubes Data Air | Environment | Health | The YCEO Nitrogen dioxide (NO2) diffusion tube data for monitoring locations within York - both inside and outside Air Quality Management Areas (AQMA), from 2005 onwards. Data is updated... CSV