2002 Almanac (page 484) Table D-46 Sacramento Valley Air Basin - Solano County: Population and VMT Trends Sacramento Valley Air Basin: Solano County Surface Area = 470 square miles Parameter 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 Population 67900 70800 73100 74700 77400 81200 85400 89600 94500 100600 105200 107400 109600 110600 110800 111700 114100 116600 120000 122900 Avg. Daily VMT/1000 1059 1083 1155 1240 1361 1486 1628 1776 1935 2145 2154 2170 2242 2283 2334 2420 2476 2573 2649 2703 A portion of Solano County lies within the San Francisco Bay Area Air Basin.