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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), SO2 (сернистый газ) and O3 (озон) are taken from the station Beaverlodge, Alberta and the measurement for and CO (окись углерода) are taken from the station Grande Prairie - Henry Pirker, Alberta