Air quality index doesn't give you correct picture
![](http://admin.indiaenvironmentportal.org.in/files/Air_Pollution_chamboor_25.jpg)
Lack of calibration of pollution-measuring instruments has been hampering efforts of the country's pollution watchdog to come out with accurate data on air pollution.
Publication Date:
15/09/2016
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Lack of calibration of pollution-measuring instruments has been hampering efforts of the country's pollution watchdog to come out with accurate data on air pollution.