New Delhi: Delhi environment department secretary will sound an alarm on Whatsapp if Air Quality Index (AQI) crosses a particular mark, asking authorities to carry out pollution control measures, official sources said on Wednesday.” FirstPost

The WhatsApp app logo is seen on a smartphone in this picture illustration taken September 15, 2017. REUTERS/Dado Ruvic/Illustration – RC11C459CFA0

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Delhi air pollution: Environment Minister to send WhatsApp alerts on severe pollution