Every hour of 2024, how many people were experiencing each air temperature — combining hourly ERA5 temperature with gridded population, worldwide.
Drag on the map to restrict to a box. Hover a bar in the chart below to see where that temperature is felt.
Each place-day plotted by its daily low (horizontal) and daily high (vertical), shaded by people-days. Points far above the diagonal have big daily swings (deserts); points hugging it barely change (humid tropics, oceans' influence).