In the environmental monitoring system of our country, if not to mention the stations measured meteorological industry's rainwater chemical hydrology station had 3, acid rain, but only acid deposition measurement Stations in the North, in the town of Lao Cai, is conducted monitoring of acidic precipitation water from 1995 to the present Acid deposition measurement Stations, the South, set in the heart of the water quality and environment, 253A way An Duong Vuong, District 5, Ho Chi Minh City and the Central Station, located in Dung quat industrial zone, Quang Ngai province, new start observation of acid rain from 1999 to the present.Overall, in our country have appeared the signs of acid rain, the rate of precipitation pH 5.5 < battle in the Eastern Province of South other regions greater, however, that the source has not been identified (table V. 3). So the need to continue monitoring and analysis of acid rain carefully.
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