Imagine a scenario where Chennai's residents can access real-time air quality data of their surroundings to decide whether to step out, stay home, or avoid certain routes. This level of air pollution monitoring could well be a reality soon. Currently, Chennai relies on two main systems of air quality monitoring — manual monitoring stations and Continuous Ambient Air Quality Monitoring Stations (CAAQMS). While these are crucial, theoy come with high operational costs; around Rs 3 lakh for manual stations and several crores for CAAQMS setups. The Indian Institute of Technology Madras (IIT-M) has developed a mobile air pollution monitoring sensor…
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