Carnegie Mellon is working on a robot that measures air quality. Supposed to be a low cost beast you can keep around the home. Here are the details: http://www.emirates247.com/business/technology/dh364-robot-helps-you-breathe-clean-2012-11-03-1.481413. I imagine we should put it out on Bruckner Blvd in the Bronx and watch it freak out.Wonder what its toxics alarm sounds like?