PM2.5 air pollution, population exposed to levels exceeding WHO guideline value (% of total), countries - % of total, Top 3 vs. Bottom 3, 2016

w

PM2.5 air pollution, population exposed to levels exceeding WHO guideline value (% of total), countries - % of total, Top 3 vs. Bottom 3, 2016

vor 8 Jahren

4 Views

PM2.5 air pollution, population exposed to levels exceeding WHO guideline value (% of total), countries - % of total, Top 3 vs. Bottom 3, 2016

100%