
Pune April Heat Crossed Dangerous Limits for Elderly, IISER Study Finds
April 2025 brought extreme heat to Pune, with daily highs between 40°C and 43°C, posing severe health risks especially for the elderly. A study by IISER Pune found that “critical environmental thresholds” were breached multiple times, making it difficult for older adults to regulate their core body temperatures and raising serious concerns about increasing heat stress in Indian cities.
Researchers noted that core body temperature is tightly controlled and even slight rises can signal stress or illness. The body mainly cools through sweat evaporation, but this mechanism struggles during high heat and humidity. When the body can no longer keep core temperature stable, it enters a danger zone. In Pune, such conditions occurred several times throughout April especially affecting people aged...