SHANGHAI (Reuters) - Air quality in the major Chinese manufacturing hub around the Yangtze River Delta worsened in the first four months of the year, largely because of a 20 percent surge in emissions in January, environment ministry data showed on Wednesday.
The region, which includes Shanghai, saw concentrations of PM2.5 - lung-damaging particles measuring less than 2.5 microns in diameter - rise 1.9 percent from a year ago to hit an average of 55 micrograms per cubic metre over the period, the Ministry of Ecology and Environment said in a statement.