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population more efficiently than the national air quality index, India. CAQI considers the
        concentration  of  all  monitored  pollutants  and  their  impacts.  It  shows  the  realistic
        situation, especially when two or more pollutants simultaneously exceed the standards.
        The composite air quality indexing system is a very useful tool for informing citizens and
        protecting  human  well-being  in  urban  areas.  It  can  be  used  as  a  governmental  and
        administrative tool to make abatement strategies and take effective measures. The wider
        range of composite air quality indexes proves the superiority over the national air quality
        index, India.

        Key  words:  Composite  Air  Quality  Index  (CAQI),  National  Air  Quality  Index  (NAQI),  Air
        Quality Index Comparison, Ahmedabad, Fuzzy based Air Quality Index





















































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