Annual mean of PM 2.5 in µg/m3 in each of the 3,000 cities
Zabol, Iran
Gwalior, India
150 µg/m3
Bamenda,
Cameroon
Annual mean levels of PM 2.5 above 35µg/m3 are associated with significantly higher mortality risks
100
50
Asia
Africa
Europe
Middle
East
50
Europe
Tetovo,
Macedonia
50
Europe
Coyhaique,
Chile
Timaru,
New Zealand
San Salvador,
El Salvador
South
America
North and
Central America
Oce-
ania
Zabol, Iran
217
Gwalior, India
176
150 µg/m3
Bamenda, Cameroon
132
100
Annual mean levels of PM 2.5 above 35µg/m3 are associated with significantly higher mortality risks
50
Asia
Africa
Europe
Middle
East
Tetovo,
Macedonia
81
Coyhaique,
Chile
64
Timaru,
New Zealand
15
San Salvador,
El Salvador
42
50
Europe
South
America
North and Central America
Oce-
ania