London's outdoor workers exposed to high levels of air pollution, shows app
Health and Safety at Work magazine has reported that initial data gathered by the British Safety Council’s Canairy app shows that London’s outdoor workers are “constantly” being exposed to levels of nitrogen dioxide, ozone and particulates (PM10 and PM2.5) above World Health Organization guidelines.
The council’s head of campaigns, Matthew Holder, told the publication: “For all four pollutants, everything I’ve seen so far says that workers are constantly being exposed over the annual limit.”
The WHO sets exposure limits over sample periods of one hour or 24 hours, and an annual mean exposure limit, based on the average concentration of a pollutant measured over one year.
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