featured-image

It’s a cruel, cruel summer. People across India, especially in the North, are grappling with record-high temperatures. Today (29 May), the National Capital, Delhi, recorded the highest-ever temperature the country has experienced at 52.

3 degree Celsius. This highlights the extreme heatwave conditions affecting India. And if you think people are getting respite from the scorching heat at night, think again.



A study has revealed that Indian cities are not cooling down at night as much as they did during 2001-2010. We take a closer look at why this phenomenon is occurring and how it’s affecting nighttime temperatures in the country. No respite from the heat The New Delhi-based Centre for Science and Environment (CSE) in their study, ‘Decoding the Urban Heat Stress among Indian Cities’ analysed data from six major cities — Delhi , Mumbai, Kolkata, Hyderabad, Chennai and Bengaluru — over a period of 23 years (January 2001 to April 2024).

As per their study, they have found that cities are not cooling down as much as they did during 2001-2010. Avikal Somvanshi at the Center for Science and Environment (CSE) was quoted as saying: “The temperature difference from morning to night used to be about 12 degrees Celsius or more two decades ago. That is not happening anymore in cities.

If you see Delhi for example, the city does not cool down more than six to seven degrees Celsius in the peak summer season.” The CSE study revealed that the land surface temperature during th.

Back to Health Page