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4 sources checked · 2 source groups included · 1h ago

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Delhi's air quality slips into 'severe' category on Diwali; Mumbai's AQI at 170

The Hindu and The Times of India describe the same event in different terms.

1 Left3 Center0 Right
Still watching. Optics is waiting for a cleaner match before calling the split.

STILL WATCHING

As of November 9, 2026 at 2:48 AM, this is how Optics News reads the wording differences in this story.

What happened Delhi's air quality slips into 'severe' category on Diwali; Mumbai's AQI at 170.
The headline split The left frames it as "Delhi's air quality slips into 'severe' category morning after Deepavali, AQI at 404". The center frames it as "Delhi's air quality very poor day after Diwali, 15 stations log AQI above 400".
Match confidence Medium confidence. 4 sources across 2 bias buckets. Useful framing signal — check the source list before sharing.
Same-event confidenceMedium

4 sources across 2 bias buckets agree on the event.

Framing confidenceMild

34/99 — small wording differences, not a major framing split.

WHAT EACH SIDE EMPHASIZED

Left / center-leftDelhi's air quality slips into 'severe' category morning after Deepavali, AQI at 404

The Hindu · Center-left · News report

CenterDelhi's air quality slips into 'severe' category on Diwali; Mumbai's AQI at 170

The Times of India · Center · News report

Right / center-rightNo matching source in this bucket yet.

Optics keeps watching for pickup.

SEE THE HEADLINES

CenterHigh
The Times of IndiaNews report · Nov 9, 1:15 AM

Delhi's air quality slips into 'severe' category on Diwali; Mumbai's AQI at 170

Delhi experienced a significant decline in air quality overnight, with areas recording severe pollution levels. The Central Pollution Control Board reported an Air Quality Index of 406 at I...

Open source
CenterHigh
DNA IndiaNews report · Nov 9, 1:39 AM

Delhi-NCR AQI: Day after Diwali, Delhi's air turns 'severe' as AQI breaches 400 mark

A thick layer of smog engulfed several parts of the city, significantly impairing visibility during the early morning hours, including around the Inderlok area. According to the CPCB, the a...

Open source
CenterHigh
India TodayNews report · Nov 9, 12:18 AM

Delhi's air quality very poor day after Diwali, 15 stations log AQI above 400

Delhis air quality very poor day after Diwali stations log AQI above

Open source
Center-leftMostly Factual
The HinduNews report · Nov 9, 2:48 AM

Delhi's air quality slips into 'severe' category morning after Deepavali, AQI at 404

Meanwhile, several other key areas in the capital continued to reel under the 'Very Poor' air quality bracket. Rajiv Chowk clocked an AQI of 381 at 1:30 a.m., while the area surrounding Sou...

Open source
Details34/99 Wording Gap · Medium confidence · 4 sources
34/99 Wording GapMedium confidence4 sources · 2 bias bucketsLive match · 4 sources · 2 buckets · comparable news formatFormats: News report

SOURCE MAP CHANGES

Nov 9, 12:18 AM: India Today joined the source map.

Nov 9, 1:15 AM: The Times of India joined the source map.

Nov 9, 1:39 AM: DNA India joined the source map.

Nov 9, 2:48 AM: The Hindu joined the source map.

Now: Wording Gap is 34/99 and story health is live match · 4 sources · 2 buckets · comparable news format.