Air Pollution Radars
There is now a gadget that is designed to check the condition and content of the particles in the air. It is called a compact air quality spectrometer.
Vehicle Emissions
This gadget is used to easily and continually monitor the quality of air across large spaces. This is useful for both urban and industrial areas, where factories and vehicles abound. It is also very important in order to determine what needs to be done to further solve the current air pollution problem.