The record for making the smallest portable weather station was set by Akshai Raj P. R. (born on October 28, 2006) of Ernakulam, Kerala. He made the smallest portable weather station, measuring 35 mm x 32.5 mm, which monitors 4 environmental parameters, namely temperature, humidity, atmospheric pressure and carbon monoxide level, and displays the real-time measuring value on a 24 mm screen, at the age of 19 years, 7 months and 20 days, as confirmed on June 17, 2026.




