At the end of 2020, the Environmental Protection Agency announced to amend the air pollution control zones at all levels in the county and city. All air pollutants in Yilan County meet the air quality standards and are all secondary control zones now. Air quality, this plan assists the Environmental Protection Bureau to formulate control strategies and goals for the characteristics of each pollution source in Yilan County, and write it in the Yilan County Air Pollution Control Plan (2020-2023), which was announced in October 110. Control the air pollutants of various pollution sources. In 110 years, the air quality of Yilan County and the reduction of various pollutants have indeed achieved the goals set by the air pollution control plan. In addition, according to the evaluation work implementation plan of the Environmental Protection Agency, we can grasp the implementation progress of each control project. , and submit relevant information and results according to the specified schedule. In addition, this plan uses information such as air quality, air pollutant control, environmental load changes, etc. to carry out investigations such as monitoring of environmentally harmful air pollutants, odor traceability improvement counseling, inspection and testing of equipment components, and heavy metal mercury emissions from cement plants. The county's air pollution focuses on developing countermeasures to continuously optimize air quality of Yilan county.

Air quality, Environmental monitoring, Odor traceability