Nuveen California Quality Municipal Income Fund is a fixed income mutual fund launched by Nuveen Investments, Inc. The fund invests in undervalued municipal securities in California, United States, which are exempted from regular federal and California income taxes. It primarily invests in securities with an average maturity of 20.96 years, that are rated Baa or BBB or better by Moody's Investors Service, Inc. or Standard & Poor's.