This study aimed to explore solutions for odor-related conflicts using a mobile odor alert application, and to collect information on the location, date, frequency, and intensity of odor to analyze the degree of odor perceived by local residents. Of the 861 evaluations conducted, 89% of the odor alerts were rated as ‘odorless’,‘slight’, or ‘moderate’, and in the facility-based analysis, pig farms, factories, cattle farms, and other livestock farms showed a high frequency of ‘strong’or worse odor. However, in areas where complaints were expected, such as villages, downtown areas/schools/parks, it was found that despite the presence of odor-causing facilities within 2 km, the impact of odor was low. The data collected through the application developed by the research team is useful for citizen-participatory odor environmental monitoring and is expected to be used for policy making and environmental improvement by local …