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On Tuesday morning inhabitants of the planet's dirtiest urban center found themselves exposed to dangerously toxic air that was classified as the "alarming" category.

Extremely High Air Quality Levels

Several parts of the city registered an pollution measurement above 500, which translates to a tenfold increase over the safe threshold set by the World Health Organization.

Certain monitoring stations, levels of PM2.5 and PM10 reached peaks of eighteen hundred, equating to fifteen to twenty times exceeding acceptable levels.

Pyrotechnics Restrictions and Current Policy Shifts

Since 2020, officials had enforced a total prohibition on the sale and use of pyrotechnics during the Festival of Lights due to their significant contribution to the dangerous haze that engulfs the capital as the cold season begins.

Nevertheless recently, the current regional administration approached the supreme court to request a modification of the ban.

The suggestion was allowing "eco-friendly fireworks" – previously questioned by environmentalists as being only approximately one-third lower impact – as a balance between "heritage and ecological concerns".

Judicial Decision and Implementation

Much to the frustration of public health and environmental activists, the court approved the appeal, stipulating that eco-friendly pyrotechnics could be ignited during limited time windows throughout the celebrations.

Throughout the festival evening, there was extensive disregard of the regulated periods across the city, with insufficient monitoring regarding whether the pyrotechnics being used were actually the supposedly greener type.

Numerous recording stations throughout the capital registered air quality reaching highest levels around midnight to some of the worst measurements recorded during Diwali in at least recent memory.

Regional Implications

The proliferation of firecrackers during Diwali also initiated a controversy with neighbouring Pakistan, with officials in Pakistan's Punjab partially attributing worsening air quality in Lahore on contaminants originating in India following the events.

Long-Standing Pollution Issue

Alarmingly severe concentrations of pollution in the capital have persisted as a major problem for over a decade and a half, with the situation showing no improvement.

During celebratory seasons, the concentration of hazardous airborne contaminants in the environment has been documented to shoot up to seventy percent above the worst readings ever documented in the Chinese city, which was previously regarded as the world's most polluted metropolis.

Multiple Pollution Factors

The problem in the capital is caused by a combination of multiple factors including heavy vehicle emissions, dust, building projects, rubbish burning and smoke from farm burning in adjacent states of neighboring agricultural zones.

Within these states, rural residents routinely ignite agricultural waste to clear them quickly, generating hazardous pollution that becomes contained over the city as colder air sets in.

Health and Economic Consequences

Both financial and medical impact on the nearly 33 million inhabitants residing in the capital region is substantial, according to numerous research.

This pollution leads to high levels of nervous system, cardiovascular and lung conditions, and can even lead to oncological diseases.

The pollution is estimated to be causing approximately 10k untimely deaths annually in the capital.