We learned from the Municipal Bureau of Ecology and Environment that from January to November 2025, the average concentration of fine particulate matter in Beijing was 26.5 ug/m3, a year-on-year decrease of 16.7%, which is the best level in the same period in history since monitoring records were recorded; the number of excellent days was 282, an increase of 23 days over the previous year.

We learned from the Municipal Bureau of Ecology and Environment that from January to November 2025, the average concentration of fine particulate matter in Beijing was 26.5 ug/m3, a year-on-year decrease of 16.7%, which is the best level in the same period in history since monitoring records were recorded; the number of excellent days was 282, an increase of 23 days over the previous year.