Estimated Vehicular Emission Load in Selected Metropolitan Cities 1994
tonnes per day
City	PM	SO2	NOx	HC	CO	Total
Delhi	10.3	8.96	126.46	249.57	651.01	1046.3
Mumbai	5.59	4.03	70.82	108.21	469.92	659.57
Bangalore	2.62	1.76	26.22	78.51	195.36	304.47
Calcutta	3.25	3.65	54.69	43.88	188.24	239.71
Ahmedabad	2.95	2.89	40	67.75	179.14	292.71
Pune	2.39	1.28	16.2	73.2	162.24	255.31
Chennai	2.34	2.02	28.21	50.46	143.22	226.25
Hyderabad	1.94	1.56	16.84	56.33	126.17	202.84
Jaipur	1.18	1.25	15.29	20.99	51.28	88.99
Kanpur	1.06	1.08	13.37	22.24	48.42	86.17
Lucknow	1.14	0.95	9.68	22.5	49.22	83.49
Nagpur	0.55	0.41	5.1	16.32	34.99	57.37
Grand total	35.31	29.84	422.88	809.96	2299.21	3597.2
Source : Central Pollution Control Board.