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On Tuesday morning inhabitants of this heavily contaminated metropolis found themselves breathing extremely polluted air that was classified as the "critical" category.

Extremely High Pollution Readings

Multiple areas of the city registered an pollution measurement exceeding 500, which represents a tenfold increase over the safe limit set by the World Health Organization.

Particular areas, levels of dangerous airborne particles reached peaks of 1,800, equating to 15 to 20 times higher than acceptable limits.

Firecracker Restrictions and Current Changes

Since 2020, officials had enforced a total prohibition on the sale and use of firecrackers during celebrations due to their substantial impact to the dangerous pollution that engulfs the city as colder weather sets in.

Nevertheless recently, the recently formed regional leadership petitioned the judicial authority to propose a relaxation of the restrictions.

Officials advocated for allowing "green crackers" – historically doubted by environmental experts as being only about 30% reduced emissions – as a middle ground between "tradition and public health".

Legal Ruling and Enforcement

Much to the frustration of public health and environmental advocates, judges agreed to the appeal, specifying that environmentally conscious fireworks could be used during specific time windows throughout the festival.

On Monday night, there was widespread disregard of the designated hours across the city, with little monitoring regarding whether the fireworks being used were actually the eco-friendly type.

Numerous monitoring devices throughout Delhi recorded air quality spiking around late evening to extremely hazardous levels seen during the festival in at least three years.

International Consequences

The proliferation of fireworks during the celebrations also sparked a blame game with bordering Pakistan, with representatives in Pakistani the Punjab region partially attributing deteriorating pollution levels in the city of Lahore on pollutants coming from neighboring India following the celebrations.

Persistent Environmental Issue

Extremely elevated levels of pollution in the capital have persisted as a major challenge for more than 15 years, with the situation showing no improvement.

Around Diwali, the concentration of hazardous airborne contaminants in the air has been found to shoot up to seventy percent above the peak records ever documented in the Chinese city, which was previously considered as the globally most contaminated urban center.

Diverse Pollution Factors

This crisis in the city is attributed to a combination of different contributors including transportation pollution, construction debris, construction activities, waste incineration and pollutants from crop residue ignition in adjacent regions of neighboring agricultural zones.

Throughout these areas, rural residents regularly ignite agricultural waste to clear them quickly, generating toxic haze that remains stagnant over the metropolitan area as cooler air arrives.

Health and Economic Toll

The economic and health toll on the nearly 33 million inhabitants residing in the capital region is significant, according to multiple studies.

This pollution causes increased incidence of neurological, cardiovascular and breathing conditions, and can potentially cause malignancies.

Environmental contamination is calculated to be responsible for 10,000 early mortalities each year in the capital.