More than 1.5 million foreign pilgrims have arrived in Mecca, Saudi Arabia, to perform the Hajj pilgrimage [1].
The event is one of Islam’s Five Pillars, drawing millions to the region. This year's gathering is marked by a critical need for heat mitigation as temperatures in Mecca approach 47 °C [1].
Pilgrims are utilizing umbrellas and drinking significant amounts of water to cope with the fierce heat [1]. The physical demands of the pilgrimage, combined with extreme weather, create a high-risk environment for those gathered in the city.
Saudi authorities have taken steps to reduce the risk of heat-related casualties. The government has increased the amount of shaded areas at the Holy Mosques fivefold since 2024 [1]. This infrastructure expansion is a direct response to the previous year's conditions.
In 2024, extreme heat during the pilgrimage caused more than 1,300 deaths [1]. The scale of that tragedy prompted the current efforts to provide more relief from the sun for the millions of visitors.
The Hajj is scheduled to run from May 24 to May 29, 2024 [1]. The concentration of people in a limited geographic area during peak temperatures continues to challenge the logistical, and medical capacities of the host city.
“More than 1.5 million foreign pilgrims have arrived in Mecca”
The expansion of shaded infrastructure reflects a strategic shift by Saudi authorities to prioritize climate adaptation. With the 2024 death toll serving as a stark warning, the fivefold increase in shade indicates that extreme heat is now viewed as a primary operational threat to the safety of the Hajj, necessitating permanent structural changes to protect pilgrims from rising global temperatures.
