Alexis Lau says he hopes a new app can help Hongkongers make informed choices. Photo: Xiaomei Chen

Air pollution levels in your street revealed with new Hong Kong app PRAISE-HK

New system can call on data down to individual street levels and advise users through real-time colour-mapping on areas to avoid

Topic |   Hong Kong weather

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Alexis Lau says he hopes a new app can help Hongkongers make informed choices. Photo: Xiaomei Chen
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