National Pollution Control Day 2025: Why do we celebrate on December 2? Know history, significance, theme, and more

National Pollution Control Day 2025 Date and History: National Pollution Control Day is marked on December 2nd each year in India to honour the memory of those who lost their lives in the 1984 Bhopal gas tragedy. This year, it will be observed on Tuesday, December 2, 2025.

The Bhopal Gas Tragedy claimed the lives of at least 4,000 people when a pesticide facility owned by the American chemical corporation Union Carbide began to leak toxic methyl isocyanate gas into a populated area in Bhopal, Madhya Pradesh.

It is considered one of history’s most tragic industrial incidents, turning the city of Bhopal into a gas chamber.

The national day serves as a reminder of the disastrous consequences of industrial carelessness.

999 AQI – the worst AQI recorded in Delhi in 2025.

As Delhi chokes, the BJP govt looks the other way.

On National Pollution Control Day, we stand with every citizen, demanding their right to breathe clean air. pic.twitter.com/y5v3pfLX9J

— Congress (@INCIndia) December 2, 2025

Additionally, it also emphasises the significance of establishing appropriate pollution control measures and raising awareness about the risks of environmental contamination.

Read | Top 10 Indian cities with worst and best AQI in 2025: Delhi remains stagnant at ‘very poor’, ‘severe’ in Hapur

As we observe it today, ‘national pollution control day’ is a rising keyword on Google Search Trends. (Screenshot)