China's consumer price index (CPI), a main gauge of inflation, rose 3.2 percent year on year in February, the lowest growth since June 2010, the National Bureau of Statistics (NBS) said Friday.The increase eased from a 4.5 percent rise registered in January, when a shopping spree during the traditional Chinese Lunar New Year boosted retail prices.The country's CPI climbed 3.9 percent in the first two months compared with the previous year. On a monthly basis, CPI dipped 0.1 percent in February, the NBS said.