| Estimated Vehicular Emission Load in Selected Metropolitan Cities (1994) | ||||||
| City | Vehicular pollution load (tonnes per day) | |||||
| Particulates | Sulphur dioxide | Oxide of the Nitrogen | Hydrocarbons | Carbon monoxide | Total | |
| Delhi | ||||||
| Mumbai | ||||||
| Bangalore | ||||||
| Calcutta | ||||||
| Ahmedabad | ||||||
| Pune | ||||||
| Chennai | ||||||
| Hyderabad | ||||||
| Jaipur | ||||||
| Kanpur | ||||||
| Lucknow | ||||||
| Nagpur | ||||||
| Grand total | ||||||
