The main story in South Asia is increasing NO2 levels from 2005 to 2016 associated with booming economies and ambitious infrastructure development, such as new coal-burning power plants in the Chhattisgarh region of India. One of the largest increases occurred over Jamnagar (India), the site of the largest petrochemical complex in the world. Dhaka (Bangladesh) had the largest increase (79%) of any world city.
Select from the cities below to find data and plots specific to each location. To sort, simply click on one of the column headings.
| City | Country | Region | 2016 Avg. NO2 | Change (%) | Uncertainty (±%) |
|---|---|---|---|---|---|
| Dhaka | Bangladesh | South Asia | 3.21 | 96.70 | 15.22 |
| New Delhi | India | South Asia | 5.78 | 2.52 | 13.84 |
| Mumbai | India | South Asia | 2.64 | -2.15 | 11.50 |
| Calcutta | India | South Asia | 2.44 | 34.55 | 10.61 |
| Chennai | India | South Asia | 2.05 | 16.98 | 11.57 |
| Bengaluru | India | South Asia | 1.52 | 33.17 | 10.32 |
| Hyderabad | India | South Asia | 1.72 | 26.63 | 12.10 |
| Ahmedabad | India | South Asia | 2.59 | 1.47 | 7.64 |
| Pune | India | South Asia | 1.26 | 24.66 | 12.76 |
| Surat | India | South Asia | 2.22 | -5.49 | 8.47 |
| Karachi | Pakistan | South Asia | 3.20 | 2.36 | 10.21 |
| Lahore | Pakistan | South Asia | 3.74 | 51.61 | 15.41 |
| Islamabad | Pakistan | South Asia | 2.35 | 48.87 | 14.37 |