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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.

Tripoli

Change in NO2: 
-16.19
2020 Avg. NO2: 
1.97

Tananarive

Change in NO2: 
32.57
2020 Avg. NO2: 
9.23

NDjamena

Change in NO2: 
11.42
2020 Avg. NO2: 
9.38

Nairobi

Change in NO2: 
1.63
2020 Avg. NO2: 
7.82

Luanda

Change in NO2: 
36.51
2020 Avg. NO2: 
1.01

Lagos

Change in NO2: 
28.14
2020 Avg. NO2: 
1.72

Kinshasa

Change in NO2: 
8.36
2020 Avg. NO2: 
1.25

Khartoum

Change in NO2: 
24.84
2020 Avg. NO2: 
1.41

Kano

Change in NO2: 
20.85
2020 Avg. NO2: 
1.12