Barbados - PM2.5 air pollution, mean annual exposure

21.34 (micrograms per cubic meter) in 2019

Barbados PM2.5 air pollution was at level of 21.34 micrograms per cubic meter in 2019, up from 21.27 micrograms per cubic meter previous year, this is a change of 0.37%.

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What is Barbados PM2.5 air pollution?