The CAI is an index of reporting air quality. It tells you how clean or polluted air is and what health eff-ects might be caused by air pollution.
The air quality data on the website is collected by local govorments based on the national measurement standards.
This contains information about air quility index, national ambient air quality standards and the data-screening method.
A summary of air quality data collected through out the metroplitan area is provieded.
The data on five major air pollutants are available.
