Awaaz Foundation flags faulty AQI readings at Mumbai construction sites, urging BMC to audit monitors, verify data and improve air quality reporting. Alarmed by alleged discrepancies in air quality index AQI monitors at construction sites in Mumbai the Awaaz Foundation has written to the BMC commissioner and the Maharashtra chief minister seeking urgent checks The foundation monitored displays at six to seven construction sites across Bandra and Khar 230 times over 38.