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Africa

Kinshasa and Brazzaville.

Africa

Most African cities have low NO2 levels relative to the US, Western Europe and East Asia.  Over the last decade, there was a mix of changes in NO2 levels over the continent.  The largest increase (75%) occurred over Luanda, Angola’s only major city, which has a metropolitan population of ~6.5 million.  The city’s increase in NO2 levels is consistent with the country’s strong population growth (~38% from 2005 to 2016) and economic development (i.e., 116% increase in GDP (constant 2005 US$) from 2005 to 2016), following the end of decades of civil war in 2002.  Cities with decreases were Trip

Image Credit: 
Astronaut Photograph ISS007-E-6305.

Nairobi

Nairobi Line Plot 2005-2016
Change in NO2: 
0.40
2016 Avg. NO2: 
0.70

Johannesburg

Johannesburg Line Plot 2005-2016
Change in NO2: 
-25.74
2016 Avg. NO2: 
6.60

Kinshasa

Kinshasa Line Plot 2005-2016
Change in NO2: 
8.99
2016 Avg. NO2: 
1.61

Lagos

Lagos Line Plot 2005-2016
Change in NO2: 
14.40
2016 Avg. NO2: 
1.57

NDjamena

NDjamena Line Plot 2005-2016
Change in NO2: 
14.99
2016 Avg. NO2: 
0.90

Kano

Kano Line Plot 2005-2016
Change in NO2: 
16.59
2016 Avg. NO2: 
1.07

Harare

Harare Line Plot 2005-2016
Change in NO2: 
10.55
2016 Avg. NO2: 
1.12

Addis Ababa

Addis Ababa Line Plot 2005-2016
Change in NO2: 
14.38
2016 Avg. NO2: 
0.83

Dar Es Salaam

Dar Es Salaam Line Plot 2005-2016
Change in NO2: 
23.80
2016 Avg. NO2: 
0.74