Thank you for your participation in this survey! We are a research team from CHANGE and GREENID - Vietnamese environmental non-profit organization working on the issues of climate change, sustainability and wildlife conservation. The purpose of this survey is to assess public awareness of air pollution in Vietnam. The results of this survey will be included in the Policy Recommendations sent to the Ministry of Natural Resources and Environment to improve the air quality management process. Therefore, we truly appreciate your constructive and helpful answers.