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Maharashtra witnesses at least 1,700 giga gram of particulate matter (PM10) emissions per year, with wind-blown road dust being the largest source, a study has revealed. As per a study conducted by an environmental researcher from March 2019 to 2020, wind-blown road dust accounts for 29 per cent of PM10, while residential sector contributed to 22 per cent emission in the state. Environmental Researcher Dr Saroj Kumar Sahu in his study claimed that Maharashtra had recorded a PM10 emission of 1,700 gg per year, with wind-blown road dust being the largest contributor at 29 per cent in 2019-2020.