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 levelsAt the end of 2025, China’s foren exchange reserves reached 3,238.0 billion US dollars, an increase of 110.3 billion US dollars compared with that at the end of 2022.