Thursday, July 31News That Matters

Tag: delhi air

Why Does Delhi Flood? The Answer Lies in Our Urban Stormwater Management

Why Does Delhi Flood? The Answer Lies in Our Urban Stormwater Management

Breaking News, Disasters, Idea & Innovations
Every year, we witness flooding in our large metropolises and most state capitals. Normally, Delhi is in the news for flooding due to the overflowing of the Yamuna River when large volumes of water are released from the Tajewala dam upstream. However, on June 28, 2024, we witnessed flooding from a high rainfall episode in south Delhi. What explains the frequent in-situ urban flooding in Delhi? This happened in Bengaluru and Lucknow in 2023 as well. High rainfall and climate change are undoubtedly a reality. But is it just that, or something more? To understand the recent flooding in Delhi, let us first understand why 15 minutes of rainfall causes flooding on the Mehrauli-Badarpur road (MB Road) in south Delhi. What does this have to do with understanding Delhi’s urban stormwater managem...
Surprisingly Improved Air Quality of Delhi in April 2024

Surprisingly Improved Air Quality of Delhi in April 2024

Breaking News, Environment
Delhi experienced a notable improvement in air quality during April 2024, recording the maximum number of 'Good to Moderate' air quality days in comparison to the last six years, with the exception of the lockdown year 2020 due to COVID-19. This improvement can be attributed to favorable meteorological conditions and the concerted efforts of the Commission for Air Quality Management in NCR and Adjoining Areas (CAQM) along with various stakeholders to control air pollution in the National Capital Region (NCR). Key Highlights Number of Good to Moderate Air Quality Days: Delhi witnessed 23 days with 'Good to Moderate' air quality in April 2024, compared to 17 days in 2023, 0 in 2022, 18 in 2021, 30 in 2020 (during the lockdown period), 12 in 2019, and 8 in 2018. Control of Poor to Se...