Nairobi has been ranked among the top ten cities with the worst traffic jams globally and high carbon dioxide emission.

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According to the survey conducted by Numbea, Nairobi ranks at position nine with Time Index (in mins): 65.20 Inefficiency Index: 253.96 CO2 Emission Index: 7123.60.

Numbeo is a website that collates global information related to costs of living, crime rates and pollution.

In Africa, Nairobi came third after Pretoria and Cairo.

Here are other cities in top ten category with worst traffic jams.

1. Manila, Philippines – Time Index (in mins): 54.33 Inefficiency Index: 248.10 CO2 Emission Index: 9471.67

2. Pretoria, South Africa – Time Index (in mins): 52.25 Inefficiency Index: 355.08 CO2 Emission Index: 11515

3. Recife, Brazil – Time Index (in mins): 57.85 Inefficiency Index: 474.75 CO2 Emission Index: 8130.77

4. Tehran, Iran – Time Index (in mins): 59.84 Inefficiency Index: 237.80 CO2 Emission Index: 8604. 11

5. Miami, Florida – Time Index (in mins): 59.20 Inefficiency Index: 340.41 CO2 Emission Index: 9908.80

6. Kolkata, India – Time Index (in mins): 58 Inefficiency Index: 397.79 CO2 Emission Index: 11179.60

7. Cairo, Egypt – Time Index (in mins): 58.61 Inefficiency Index: 309.21 CO2 Emission Index: 13010.67

8. Pune, India –Time Index (in mins): 60.86 Inefficiency Index: 244.01 CO2 Emission Index: 12215.71

9. Nairobi, Kenya – Time Index (in mins): 65.20 Inefficiency Index: 253.96 CO2 Emission Index: 7123.60

10. Mumbai, India – Time Index (in mins): 66.18 Inefficiency Index: 263.03 CO2 Emission Index: 6581.18