The fine particulate matter or PM10, and this amount of dusting condition, causes discomfort, allergies, or respiratory ailments [5]. In addition, it also affects the business sector as well. The amounts of tourists have decreased during pollution and smog crisis in Chiang Mai, which leads to economic damage in that area and all over the country. Pollution Control Department of Thailand (PCD) is monitoring the air quality in the region continuously using 10 ground measurement stations. However, these stations can provide the data only in very limited area and it is not possible to cover the large area. Therefore, it is necessary to have better understanding the air quality scenario in the whole region, and based on this reason, the authors have conducted air quality monitoring using spatial technology which GIS.