When the United Nations Development Programme (UNDP) launched an Open Innovation Challenge to design a low-cost hyperlocal air quality monitoring toolkit, we at AirGradient knew it was a mission we wanted to be part of. Addressing global challenges like air pollution requires solutions to be scalable, accessible, and grounded in practical application. That’s why, together with the UNDP Global Centre for Technology, Innovation and Sustainable Development, we developed a toolkit with one clea...