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Tuesday brought citizens of the planet's dirtiest urban center were faced with inhaling severely hazardous air that registered in the "critical" range.

Record-Breaking Pollution Levels

Multiple areas of the city registered an AQI above 500, which represents 10x the safe level established by the World Health Organization.

Particular areas, concentrations of toxic particulate matter reached peaks of eighteen hundred, representing 15 to 20 times exceeding acceptable standards.

Firecracker Prohibition and Recent Policy Shifts

Since 2020, the government had enforced a total prohibition on the sale and use of pyrotechnics during the Festival of Lights due to their significant contribution to the hazardous smog that blankets the city as colder weather approaches.

Yet earlier this year, the newly elected regional leadership appealed to the supreme court to seek a modification of the ban.

Officials advocated for allowing "environmentally conscious pyrotechnics" – historically questioned by environmentalists as being only about 30% lower impact – as a middle ground between "tradition and public health".

Legal Verdict and Reality

Much to the frustration of environmental and health campaigners, judicial authorities complied with the proposal, specifying that environmentally conscious fireworks could be ignited during designated periods throughout the Diwali.

Throughout the festival evening, there was considerable disregard of the designated hours across the metropolis, with little regulation regarding whether the fireworks being used were actually the eco-friendly type.

Several air quality sensors throughout the city showed pollution spiking around midnight to some of the worst readings recorded during the festival in at least the past three years.

Cross-Border Effects

Extensive ignition of firecrackers during the festival also sparked a blame game with bordering Pakistan, with officials in Pakistani the Punjab region partly blaming declining pollution levels in the city of Lahore on contaminants traveling from across the border following the celebrations.

Persistent Environmental Problem

Extremely elevated readings of pollution in the capital have remained as a major challenge for more than 15 years, with the condition continuing to worsen.

Around Diwali, the amount of dangerous particles in the air has been documented to spike to seventy percent above the peak records ever recorded in Beijing, which was previously regarded as the world's most polluted metropolis.

Multiple Pollution Contributors

The problem in Delhi is attributed to a mix of different contributors including transportation pollution, dust, construction activities, waste incineration and haze from farm burning in nearby states of Punjab and Haryana.

In these regions, farmers illegally ignite agricultural waste to prepare for next season, creating dangerous smog that remains stagnant over the capital as winter air descends.

Health and Economic Consequences

The economic and health consequences on the nearly 33 million residents calling home the Delhi area is substantial, according to numerous studies.

The contaminated air causes elevated rates of nervous system, cardiovascular and lung disorders, and can even lead to oncological diseases.

Air quality crisis is estimated to be accounting for ten thousand untimely mortalities each year in the capital.