Top 10 most-polluted countries — in pictures

1 Nepal. Annual mean concentrations should not exceed 10 micrograms per cubic metre and Nepal had 99.73 micrograms. EPA
1 Nepal. Annual mean concentrations should not exceed 10 micrograms per cubic metre and Nepal had 99.73 micrograms. EPA
2 Niger — 94.05 micrograms per cubic metre. AFP
2 Niger — 94.05 micrograms per cubic metre. AFP
3 India — 90.87 micrograms per cubic metre. AFP
3 India — 90.87 micrograms per cubic metre. AFP
4 Saudi Arabia — 87.95 micrograms per cubic metre. Reuters
4 Saudi Arabia — 87.95 micrograms per cubic metre. Reuters
5 Egypt — 87.00 micrograms per cubic metre. EPA
5 Egypt — 87.00 micrograms per cubic metre. EPA
6 Cameroon — 72.79 micrograms per cubic metre. AFP
6 Cameroon — 72.79 micrograms per cubic metre. AFP
7 Nigeria — 71.80 micrograms per cubic metre. AFP
7 Nigeria — 71.80 micrograms per cubic metre. AFP
8 Bahrain — 70.82 micrograms per cubic metre. Getty
8 Bahrain — 70.82 micrograms per cubic metre. Getty
9 Chad — 66.03 micrograms per cubic metre. Bloomberg
9 Chad — 66.03 micrograms per cubic metre. Bloomberg
10 Iraq — 61.64 micrograms per cubic metre. AFP
10 Iraq — 61.64 micrograms per cubic metre. AFP

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