Abstract
Keywords: pollution, chemical, transportation, air, urban area.
Congestion of public road networks is a growing problem in many countries. Authorities are developing initiatives to manage the traffic, but no remedial strategy can be better than the information upon which it has to rely. Air pollution, both indoor and outdoor, is a significant cause of health problems worldwide. Urban and rural outdoor environments contain infections, allergens, irritants and chemical toxins that can reduce the quality of life and cause disease. To solve this problems are needed many measurements and studies in order to establish all the pollutant sources.