A woman seen exercising on the Central waterfront last year. Photo: Xiaomei Chen

Stubborn roadside pollutant on rise again in Hong Kong after three years of decline, group says

NO2 readings last year serious enough to be observed inside homes and buses

Topic |   Hong Kong air pollution

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A woman seen exercising on the Central waterfront last year. Photo: Xiaomei Chen
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Ernest Kao

Ernest Kao

Ernest is a reporter at the SCMP. He mainly covers environment, energy, science and urban planning and development issues.