A girl walks under a blue and cloudy sky along West Lake yesterday. The city enjoyed excellent air quality yesterday with a PM2.5 density of 18 micrograms per cubic meter thanks to the rain and high winds the day before. Air quality normally improves in summer months in Hangzhou, meteorologists said. Today’s maximum temperature will soar to 31 degrees Celsius. But rain will return tomorrow and last through this weekend.
Source: Hangzhou International Center
