The 5A-level scenic spots have the following environmental standards:
a) Air quality reaches the Class I standard of GB 3095-1996.
b) The noise quality reaches the Class I standard of GB 3096-1993.
c) The quality of surface water environment reaches GB 3838.
d) Sewage discharge reaches the regulations of GB 8978.
e) The natural landscape and cultural relics and monuments are protected by scientific means and advanced measures, which can effectively prevent natural and man-made damages and maintain the authenticity and integrity of the natural landscape and cultural relics and monuments.
f) Scientific management of visitor capacity.
g) Reasonable architectural layout, building volume, height, color, shape and landscape coordination. The main building of the exit population has a prominent style and accentuates the landscape and environment. Surrounding buildings are in harmony with the landscape, or have a certain buffer area.
h) Excellent environmental atmosphere. High green coverage, proper plant and landscape configuration, landscape and environmental beautification measures are diverse and effective.
i) The facilities and equipments in the area are in line with the national requirements on environmental protection, do not cause environmental pollution and other public hazards, and do not damage the tourism resources and the atmosphere of the tour.