LED boards set up at five spots to display air quality index
![](http://admin.indiaenvironmentportal.org.in/files/Air_quality_Moni_13.jpg)
The Air Quality Index is calculated with the help of a calculator developed by the Central Pollution Control Board, New Delhi.
Publication Date:
07/06/2017
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The Air Quality Index is calculated with the help of a calculator developed by the Central Pollution Control Board, New Delhi.