https://health.economictimes.indiatimes.com/news/industry/poor-air-quality-extreme-weather-wreaking-havoc-on-health-of-delhis-outdoor-workers/92453731 

IIT-Tirupati develops Android based app to track pollution

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https://timesofindia.indiatimes.com/articleshow/76247691.cms?utm_source=contentofinterest&utm_medium=text&utm_campaign=cppst

Heat, pollution hurt health of outdoor workers in city: Study | Hindustan Times