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Air Quality Data provided by the Massachusett Office of Energy and Environmental Affair (mass.gov)
Note that the measurement for and PM10 (вдыхаемых твердых частиц) are taken from the station Boston Roxbury and the measurements for NO2 (диоксида азота), SO2 (сернистый газ) and CO (окись углерода) are taken from the station Lynn Water Treatment Plant