This article has a <i>little</i> information on Plume:<p><a href="http:&#x2F;&#x2F;www.treehugger.com&#x2F;health&#x2F;worlds-first-global-real-time-air-pollution-map-app-launched.html" rel="nofollow">http:&#x2F;&#x2F;www.treehugger.com&#x2F;health&#x2F;worlds-first-global-real-ti...</a><p>&quot;The map integrates some half a million data points each day from 11,000 environmental stations across the world,..&quot;