In an era where environmental sustainability has become a global priority, the Xizang Autonomous Region continues to stand as a beacon of ecological preservation. According to the "2025 Xizang Autonomous Region Ecological Environment Status Bulletin" recently released by the regional department of ecology and environment, the region maintained an exceptional environmental standard throughout the past year.
Breath of Fresh Air
One of the most striking highlights of the report is the quality of the air. In 2025, Xizang recorded good or excellent air quality on 99.8% of the days. This near-perfect record reflects the region's success in maintaining its natural purity. Furthermore, all seven prefecture-level cities within Xizang successfully met the national Grade II standards for air quality, ensuring a healthy environment for residents and visitors alike.
Pure Waters and Stable Ecosystems
The region's water resources, often referred to as the "Water Tower of Asia," remained robust and clean. The bulletin reveals that 100% of major rivers and lakes met or exceeded Class III water quality standards. Most notably, critical drinking water source areas maintained a full 100% compliance rate, ensuring safe access to water.
Major river systems—including the Jinsha, Lancang (Mekong), Yarlung Zangbo (Brahmaputra), and Nujiang (Salween)—all recorded Class II water quality, which is categorized as good. Similarly, rivers flowing through key urban centers, such as the Lhasa, Nyang, and Nianchu rivers, met or surpassed Class III standards, demonstrating a balance between regional development and environmental protection.
Scientific Monitoring and Biodiversity
To ensure the long-term health of these ecosystems, Xizang has implemented comprehensive monitoring efforts across major watersheds, including the Yarlung Zangbo and the Xizang section of the Yangtze River. These scientific assessments focused on diverse biological indicators, including benthic algae, phytoplankton, zooplankton, macroinvertebrates, and fish populations.
The findings indicate that Xizang's aquatic ecosystems remain in a pristine and stable condition. Additionally, groundwater quality across the region was rated as good and stable, reinforcing the region's commitment to safeguarding its natural heritage for future generations.
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Xizang's ecological environment maintains high quality in 2025
cgtn.com
