Pollution | VOL.13, ISSUE 78, May-June 2013 |

PM2.5 Vs PM10

What is a better measure

Size hardly features in discussions about suspended particulate matter in the air—and rarely do we enquire about the size of the particle. But this is one place where size does matter—as the most prominent cause of premature deaths due to air pollution in developing countries is PM 2.5. Most data however pertains to PM10 as the absence of surface-based air pollution sensors in many developing countries, makes it difficult and in some cases impossible, to get even a rough estimate...

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