More cities begin hourly pollution reports
Eighty-seven Chinese cities began releasing hourly updates on air quality starting on New Year’s Day, bringing the total number doing so to 161, the Ministry of Environmental Protection said.
Data will be collected from 449 monitoring stations across the Beijing-Tianjin-Hebei area, the Yangtze River Delta and the Pearl River Delta.
been upgraded to provide real-time updates on levels of sulfur dioxide, carbon monoxide and PM2.5 — particles smaller than 2.5 microns in diameter that can damage the lungs — in accordance with China’s improved air quality standards.
China has invested 440 million yuan ($72.6 million) to set up monitoring stations, according to the environmental ministry.