MUMBAI, India, March 13 -- Intellectual Property India has published a patent application (202621003708 A) filed by Vishwakarma Institute Of Technology, Pune, Maharashtra, on Jan. 14, for 'an air quality monitoring and alert system.'
Inventor(s) include Gholap, Dhruv Avinash; Nikam, Sourabh Santosh; Gadade, Tushar Malhari; Wankhade, Shalini Vaibhav; and Mahalle, Parikshit N.
The application for the patent was published on March 13, under issue no. 11/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to an air quality monitoring and alert system. This is a low-cost, real-time air quality monitoring and alert system designed to detect harmful gas concentrations in indoor environments. The system integrates an MQ-135 gas sensor (101) connected to an Arduino Uno microcontroller (103) and powered through a USB source (102). The analog output from the sensor is processed to calculate pollutant levels in Parts Per Million (PPM), which are displayed on a 16 2 I C LCD screen (104). When the measured PPM value exceeds a predefined threshold, the system automatically activates a dual-alert mechanism consisting of a visual LED indicator (105) driven through pin (109) and an audible buzzer (106) driven through pin (110). Communication between the microcontroller and output devices is achieved using analog signal line A0 (107) and I C lines SDA/SCL (108). This standalone device provides immediate hazard detection suitable for residential, workshop, and educational applications."
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