Rai said, according to scientists working in the field of air pollution, average reduction in PM 2.5 levels has been between 100-150 units compared to December. “Myth is being propagated on the levels of pollution. Our sampling data has a different story to tell.” “However, the scheme has had no major effect at border areas where PM 10 levels are extremely high. PM 10, in any case, is not caused by vehicular pollution. It is mainly a production of construction dust,” Rai told reporters. The safe limits of PM 2.5 and PM 10, microscopic particles that can enter and embed deep into the lungs and subsequently bloodstream, are 60 and 100 respectively.

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‘Odd-even scheme’ has reduced air quality pollutant PM 2.5 levels in city: Delhi Govt