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