Macao

Report: Pearl River Delta Air Pollutants Drop Up to 86 Percent

October 23, 2026 by Alexandra Hartman Editor-in-Chief

The Guangdong-Hong Kong-Macao Pearl River Delta recorded prominent air quality improvements in 2025, with concentrations of five major air pollutants maintaining a sustained downward trend over a twenty-year tracking period, … Read More

Categories World Tags air quality, carbon monoxide, environmental Protection, Guangdong, Hong Kong, Macao, nitrogen dioxide, PM2.5

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