{ "culture": "en-US", "name": "", "guid": "", "catalogPath": "", "snippet": "", "description": "Tubes measure nitrogen dioxide levels at their location. Used to identify any pockets of air pollution and provide indication of exposure levels.", "summary": "", "title": "Air Quality - Diffusion Tubes", "tags": [], "type": "", "typeKeywords": [], "thumbnail": "", "url": "", "minScale": 0, "maxScale": 0, "spatialReference": "", "accessInformation": "NG", "licenseInfo": "" }