Xizang maintains world-class ecological standards

In 2024, the region's proportion of days with excellent ambient air quality reached 99.7 percent overall. In Lhasa, the region's capital, the figure reached 99.5 percent, ranking top among 168 key cities nationwide, Shui said.

The water quality of major rivers and lakes in the region met or exceeded Class III standards, while the compliance rate for drinking water sources also reached 100 percent, according to the bulletin.