From Factly
Center Owned by Factly Media & ResearchBeyond Diwali: Delhi’s Winter Air Pollution Remains a Persistent Problem
What's behind this
According to IITM modelling, firecrackers remained Delhi’s leading source of pollution the day after Deepavali, with their contribution peaking on November 9 and falling by November 11. The city’s average AQI has been reported around 300, while pre‑Diwali PM2.5 levels reached a three‑year high, driven by vehicular emissions and regional inflow. Air‑quality monitors reportedly failed on Diwali night, prompting questions about data transparency and infrastructure. The issue has sparked political debate, with Uttar Pradesh Chief Minister Yogi Adityanath responding to Congress criticism over festival‑related pollution.
AI-generated overview from 15 outlets. It summarises their reporting and adds no reporting of its own.
What each side is saying
One outlet's own words from each side of the spectrum. Quoted, not summarised.
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left · 2 outlets
CPCB explains why Delhi's AQI cannot exceed 500, why private apps show different pollution readings and how India's official air quality index works
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center · 7 outlets
Firecrackers' contribution to PM2.5 pollution on Diwali night was significantly higher than what was seen on days preceding it, according to a study.
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right · 3 outlets
The narrative that Diwali alone pushed Delhi into a pollution emergency collapses under the weight of official data for 2026. Diwali this year fell on Sunday, 8 November, because of Adhik Maas. But the air quality had already begun its precipitous decline in the first week of November.
RSS excerpt
TL;DR: AQI rose in 209 of 276 cities and towns with comparable readings between the Diwali and post-Diwali bulletins in 2026. Among the nine major cities examined, Pune saw the biggest rise, while Delhi’s AQI fell but remained Very Poor. Historical data shows a recurring seasonal pattern in Delhi…
