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As Tuesday dawned inhabitants of the world's most polluted city were faced with inhaling extremely polluted air that was classified as the "alarming" range.

Alarming Air Quality Readings

Various sections of the capital recorded an AQI above 500, which translates to ten times the recommended threshold set by the World Health Organization.

Particular areas, levels of PM2.5 and PM10 hit highs of 1800, amounting to fifteen to twenty times above healthy standards.

Fireworks Prohibition and New Developments

Beginning in 2020, officials had implemented a complete ban on the purchase and ignition of firecrackers during celebrations due to their significant contribution to the dangerous haze that engulfs the city as colder weather sets in.

However in recent months, the recently formed city government petitioned the highest court to seek a easing of the restrictions.

They proposed allowing "eco-friendly fireworks" – previously doubted by environmental experts as being only about 30% less polluting – as a middle ground between "tradition and ecological concerns".

Judicial Decision and Implementation

Despite concerns of public health and environmental activists, the court agreed to the request, stipulating that environmentally conscious fireworks could be used during designated periods throughout the Diwali.

On Monday night, there was considerable violation of the designated hours across the city, with little regulation regarding whether the firecrackers being used were actually the more environmentally friendly variety.

Numerous monitoring devices throughout the city recorded contamination peaking around late evening to some of the worst readings seen during celebrations in at least the past three years.

Regional Implications

The widespread use of fireworks during the festival also initiated a dispute with adjacent Pakistan, with representatives in Pakistan's Punjab partially attributing deteriorating air quality in the city of Lahore on pollutants originating in neighboring India following the festivities.

Persistent Pollution Crisis

The dangerously high readings of atmospheric toxins in the city have remained as a serious problem for over a decade and a half, with the situation continuing to worsen.

Around celebratory seasons, the concentration of hazardous airborne contaminants in the atmosphere has been found to spike to significantly exceeding the most severe levels ever recorded in the Chinese city, which was once viewed as the world's most polluted metropolis.

Multiple Pollution Factors

The problem in the city is resulting from a combination of multiple factors including heavy vehicle emissions, construction debris, building projects, garbage fires and smoke from agricultural fires in nearby regions of farming communities.

Throughout these areas, farmers routinely ignite agricultural waste to clear them quickly, creating dangerous haze that becomes contained over the metropolitan area as colder air arrives.

Medical and Economic Impact

Both financial and medical impact on the nearly 33 million residents calling home the metropolitan zone is substantial, according to numerous investigations.

These hazardous conditions leads to elevated rates of neurological, heart and circulatory and lung conditions, and can even lead to oncological diseases.

Air quality crisis is calculated to be responsible for ten thousand early fatalities each year in the capital.