CLEAN : Neblina toxica cubre a Nueva Delhi

Delhi experienced a severe drop in air quality due to Diwali fireworks, despite a ban on firecrackers. The city has faced similar pollution crises in the past, notably in 2016. Recent measurements showed pollution levels far exceeding WHO standards, with PM2.5 particles posing significant health risks. Crop burning in northern regions also contributes to the pollution. Delhi was previously labeled the most polluted city by WHO in 2014.

What event led to the deterioration of air quality in New Delhi despite a ban?

• A sports event

• A music concert

• The Diwali festival

• A political rally

What was the purpose of the Supreme Court's ban on firecrackers?

• To save money

• To promote cultural activities

• To prevent a repeat of the 2016 air pollution crisis

• To reduce noise pollution

How much higher were the pollutant levels compared to WHO standards?

• 11 times higher

• 5 times higher

• 8 times higher

• 15 times higher

What agricultural practice contributes to the rise in PM2.5 particles?

• Crop rotation

• Irrigation

• Burning of crop residues

• Use of pesticides

In which year did the WHO label Delhi as the most polluted city?

• 2018

• 2016

• 2014

• 2012