Reuters: The air quality in eastern China continued to improve in the first quarter, but smog worsened in central and western regions, Greenpeace said in a report on Wednesday after analyzing government data for 362 cities.
An analysis of concentrations of tiny airborne pollutants known as PM2.5 highlighted the effectiveness of government policies to clean the air in key population centers along the eastern seaboard that includes areas around Beijing, Shanghai and Guangdong, Greenpeace East Asia said....