摘要:THIS PAPER PRESENTS THE DEVELOPMENT, IMPLEMENTATION AND TESTING OF AN AIR QUALITYMONITORING SYSTEM. THE SYSTEM IS BASED ON THE ARCHITECTURE OF A METROPOLITAN WSNSENSOR NETWORK OF THE LARGE SCALE TYPE, SPREAD ON A WIDE GEOGRAPHICAL AREA ANDTHUS COMPLYING WITH THE SMART CITY CONCEPT. THUS, THE LOCAL AUTHORITIES CAN MAKEDECISIONS CONCERNING THE REDUCTION OF THE POLLUTION LEVEL IN TERMS OF THE QUANTITYOF PM10 PARTICLES IN THE AIR. THE ARCHITECTURE IS OF THE CLIENT SERVER TYPE, USING THEJENNET COMMUNICATION PROTOCOL AND THE SYSTEM CAN INTEGRATE A LARGE NUMBER OFNODES. THE OBTAINED RESULTS SHOW THAT THE SYSTEM HAS A HIGH EFFICIENCY LEVEL ANDCAN BE INTEGRATED IN THE SMART CITY CONCEPT.