AirVista is the Air quality application based on the output of the WRF-Chem air quality forecasting model. WRF-Chem is a 3-5 days real-time forecast with the highest 4 km gridded resolution that can use for accessing air quality and related data in areas of the lacked measurement tools. AirVista report not only the air quality forecasts but also the related-air-quality meteorological forecast data (Wind, Precipitation, Temperature, and Ventilation Index). Moreover, this application also reported the ground-based PM2.5 observation open data and satellite-based fire hotspots data for monitoring the current air quality situation. AirVista provided the health risk reduction advisory for public people to protect themselves from polluted air-exposed and the necessary data for decision-makers who work on air pollution control and prevention sectors. However, the model system is undergoing research and development which users should use it under these restrictions.