Greenery authorities have released the results of a public satisfaction survey on Shanghai's sanitation during the first half of 2020, and wet markets were at the bottom among 13 ranked categories.

The sanitation and cleanliness of local roads, residential complexes, green spaces, construction sites and public toilets were all rated "good" by the public; while only wet markets scored "okay" in a five-tier rating system, the Shanghai Greenery and Public Sanitation Bureau revealed on Tuesday.

"Some trash can still be found in and around wet markets, and haphazard storage of items and sewage was also problems," said Chen Qihua, an official with the public sanitation management department of the bureau.

The survey also covered 219 subdistricts, towns, villages and industrial zones citywide.

Eight districts, namely Xuhui, Jing'an, Changning, Huangpu, Yangpu, Pudong New Area, Hongkou and Qingpu were rated "good" in terms of their public sanitation and environment; while the city's remaining eight districts were "ok," according to the bureau.

The ratings involve 39 indexes and have five levels based on score — namely "excellent" (above 85 points), "good" (80 - 85 points), "okay" (75 - 80 points), "so-so" (70 - 75 points) and "bad" (below 70 points) — according to the bureau.

Overall, the city's public sanitation and environment scored 80.98 in the first half, representing the eight consecutive score increase since the second half of 2016, the bureau said.

Thirty-four subdistricts, towns, villages and industrial zones such as the Jing'an Temple Subdistrict, Nanjing Rd W. Subdistrict, Chengjiaqiao Subdistrict, Yuepu Town and Hengsha Village were rated "excellent," while the rest were either "good" or "ok."

Taopu Town, ZhenxinSubdistrict, JiulitingSubdistrict and LuxiangSubdistrict had the lowest scores, the bureau revealed.