How to build a mobile particulate matter sensor with a Raspberry Pi: 
About a year ago, I wrote about measuring air quality using a Raspberry Pi and a cheap sensor. We’ve been using this project in our school and privately for a few years now. However, it has one disadvantage: It is not portable because it depends on a WLAN network or a wired network connection to work. You can’t even access the sensor’s measurements if the Raspberry Pi and the smartphone or computer are not on the same network.
read more: Opensource.com stephan
Supporting Open Source.
Have you tried: Farking?