May 2009 Blog Posts (2)

Click here to use the calculator rightaway. Water Quality Index(WQI) is a scale which help to estimate an overall quality of water based on the values of water quality parameters.The biggest problem of WQI is, the quality of water varies with the source of water collection and the standard range of acceptability which varies between national and international bodies.The index used for estimation of water quality of drinking water can not g… Continue

The calculation of environment quality index is done by the following way : For any environmental parameter like AAQ,SO2 etc. mean of the measured value taken from different location and at different time is converted to a cluster comprising of 13 groups(A-M).The conversion is done with the help of the standard max and min value of the parameter.The difference between the max and min is divided by 13 and each division is assigned a group.A is assigned to the first division nearest to max… Continue