Hong Kong recorded more than twice as many hours of very high roadside pollution in the first quarter as more sunlight and rising vehicle numbers led to smog in the city’s financial and shopping districts.
Commuters wait at a bus stop in Hong Kong. Emissions from Chinese factories across the border and old vehicles in the former British colony have choked residents this year as slower air flow trapped pollutants. (Bloomberg/Jerome Favre photo)
Roadside monitors recorded 1,372 hours when the pollution index exceeded 100 in the first three months, compared with 580 hours for the same period in 2012, data compiled by the city’s environmental department show. There was 180 hours more of bright sunshine, a 78% gain from a year ago, according to Hong Kong Observatory's data.
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