According to a 2023 study (https://ideas.repec.org/p/osf/socarx/7e2jf.html), there are significan inequalities in weather forecasts around the world:

1. Temperature forecasts are currently substantially more accurate in high income countries than in low income countries. A seven-day-ahead forecast in a high-income country is on average more accurate than a one-day-ahead forecast in a low income country.

2. While forecast accuracy has improved steadily between 1985 and the present - with the largest increases in the 1990s - there is a persistent gap between high income and low income countries.

3. The infrastructure for weather observations is highly unequally distributed across countries, with fewer land-based weather stations and radiosondes in poorer countries. These inequalities grow even larger when lower reporting rates are taken into account. Remedying these differences in infrastructure would help close the forecast accuracy gap.

WeatherXM, by using a decentralized model and by empowering individuals and organizations to easily deploy weather stations, aims to deploy the missing weather infrastructure, especially in developing countries.