ccording to a report on the national air quality by the Ministry of Ecology and Environment, from January to December 2022, cities at and above the prefecture level saw 86.5 percent of days with air quality at moderate or good levels. The former level refers to an air quality index between 51 and 100 and therefore acceptable air quality; the latter to an index of 50 or below, with air
Clearing the Air
Mar 16, 2023
2 minutes
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