Today the Air Pollution Index (API) is 38 in the regatta area, equivalent to Air Quality Grade Ⅰ, which means the air quality is excellent. Ozone hour mean values all reach GradeⅠof the National Air Quality Standard.

    It is expected that the API will be 30~50 tomorrow, equivalent to Air Quality GradeⅠ, which means the air quality will be excellent.

    The air quality grading is showed in the following table.

    The average equivalent sound level of acoustic environment of functional regions attain the corresponding standards.

    Issued by Qingdao Environmental Monitoring Center