China | Air: Passenger Traffic | CEIC

data china 2023Directly accessible data for 170 industries from 150+ countries and over 1 million facts: ... Average air quality of China 2025, by quality of air; Annual PM2.5 air pollution levelsThe database maps China’s development finance in relation to several types of socially and ecologically sensitive territories – Indenous peoples’ lands, national protected areas and critical habitats. Suggested citation: Boston University