Wet-bulb heat is a critical measure that combines both temperature and humidity levels. It signifies the threshold at which the human body can no longer effectively cool itself through the process of sweating, thereby posing serious health risks.
India is increasingly threatened by wet-bulb heat, primarily due to escalating temperatures and rising humidity, both consequences of climate change. The combination of these factors heightens the risk of heat-related illnesses and fatalities across the nation.
Recently, a weather station in Delhi reported a staggering maximum temperature of 52.9° Celsius, marking the highest temperature ever recorded in India. This alarming heat wave highlights the pressing reality of the broader climate crisis.
According to an analysis conducted by the Centre for Science and Environment (CSE) using data from the Indian Meteorological Department (IMD), it has been observed that India’s hot season is becoming increasingly humid. This escalating combination of high temperatures and humidity significantly raises the risk of wet-bulb conditions.
Wet-bulb conditions can severely impede the body’s ability to cool itself, leading to critical health issues such as heatstroke and dehydration. Vulnerable populations, including the elderly and those lacking access to cooling facilities, are particularly susceptible to these dangers.
Authorities are actively monitoring temperature readings and emphasizing the importance of public awareness regarding the dangers of extreme heat. There is a growing call for improved infrastructure to better mitigate the impacts of such conditions. Essential measures include increasing access to cooling centers and enhancing urban planning strategies.
During periods of extreme heat, individuals can take several steps to safeguard their health. Staying well-hydrated, avoiding strenuous outdoor activities during peak heat hours, and utilizing cooling methods such as fans and air conditioning are effective strategies to cope with soaring temperatures.
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