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Air Quality Data provided by the Alberta Environment and Sustainable Resource Development - Air Quality monitoring (alberta.ca)
Note that the measurements for PM2.5 (тонкодисперсных частиц), NO2 (диоксида азота) and SO2 (сернистый газ) are taken from the station Ells River, Alberta and the measurement for and O3 (озон) are taken from the station Fort McKay, Alberta