Environmental stations with US EPA approval have been used over the last few years to measure air quality parameters in large cities, however the high initial cost and operating cost mean that not all government entities can have the same amount. required from these stations, which means that there are very few samples in large areas. In this way, compact monitoring stations have been developed which can measure parameters of particulate material and gases simultaneously with a lower cost of investment and operation allowing having more stations per unit of study area and in this way have accurate information.
