Iran - PM2.5 air pollution, mean annual exposure

38.02 (micrograms per cubic meter) in 2019

In 2019, PM2.5 air pollution for Iran was 38.02 micrograms per cubic meter. PM2.5 air pollution of Iran fell gradually from 41.38 micrograms per cubic meter in 2010 to 38.02 micrograms per cubic meter in 2019.

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What is Iran PM2.5 air pollution?