Hong Kong Free Press
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NGO warns hot weather can worsen air quality, urges govโt action on pollutants and cooling measures in hot districts
NGO Green Power has urged the Hong Kong government to better regulate ozone precursors as hot weather exacerbates air pollution across the city. Chemical compounds โ such as nitrogen oxides, methane, Volatile Organic Compounds (VOC) and carbon monoxide โ form ground-level ozone by reacting in the lower atmosphere in the presence of sunlight. Ground-level ozone [โฆ]