The BMC will install five air quality monitoring stations across Mumbai. The expansion will fill monitoring gaps as pollution levels worsen. The proposed Continuous Ambient Air Quality Monitoring Stations (CAAQMS) will be set up in Mulund, Dadar, Goregaon, Charni Road and Santacruz, they said. The Brihanmumbai Municipal Corporation (BMC) is set to install five additional air quality monitoring stations across Mumbai at Rs 22 crore amid concerns over deteriorating.