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On Tuesday morning inhabitants of the world's most polluted city were faced with exposed to extremely polluted air that fell into the "alarming" range.

Alarming Air Quality Measurements

Several parts of the city registered an air quality index over 500, which translates to ten times the recommended limit recommended by the World Health Organization.

Certain monitoring stations, concentrations of PM2.5 and PM10 soared to of 1800, equating to 15-20x above acceptable standards.

Pyrotechnics Prohibition and New Policy Shifts

Beginning in 2020, officials had enforced a complete ban on the distribution and bursting of firecrackers during the Festival of Lights due to their substantial impact to the deadly smog that blankets the metropolis as colder weather sets in.

Yet earlier this year, the newly elected city leadership petitioned the highest court to seek a easing of the ban.

The suggestion was allowing "green crackers" – which have been doubted by conservation groups as being only about 30% lower impact – as a middle ground between "heritage and public health".

Judicial Verdict and Reality

Much to the frustration of medical and ecological activists, judges complied with the appeal, mandating that eco-friendly pyrotechnics could be used during designated hours throughout the celebrations.

During the celebrations, there was considerable disregard of the time restrictions across the city, with insufficient enforcement regarding whether the fireworks being used were actually the eco-friendly type.

Many recording stations throughout Delhi showed air quality peaking around the night hours to some of the worst levels recorded during the festival in at least the past three years.

Regional Implications

The proliferation of firecrackers during Diwali also triggered a blame game with bordering the neighboring country, with representatives in Pakistan's Punjab province partially attributing deteriorating air quality in Lahore on pollutants originating in across the border following the festivities.

Persistent Pollution Crisis

Alarmingly severe levels of air contamination in Delhi have remained as a major problem for more than 15 years, with the problem continuing to worsen.

During celebratory seasons, the concentration of toxic particles in the air has been found to shoot up to 70% higher the peak levels ever measured in the Chinese city, which was previously viewed as the planet's dirtiest urban center.

Diverse Contamination Sources

This crisis in Delhi is resulting from a convergence of different contributors including transportation pollution, airborne particles, building projects, garbage fires and smoke from farm burning in nearby areas of farming communities.

Within these states, agricultural workers illegally set their fields on fire to expedite field preparation, creating toxic haze that remains stagnant over the metropolitan area as colder air sets in.

Health and Financial Impact

Public health and economic toll on the roughly thirty-three million people calling home the metropolitan zone is substantial, according to multiple research.

The contaminated air causes high levels of neurological, cardiovascular and lung disorders, and can even lead to malignancies.

Air quality crisis is estimated to be causing 10,000 premature mortalities each year in the capital.