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External factors behind capital's 'very poor' AQI

Hindustan Times Noida

|

October 20, 2025

The deterioration in Delhi's air quality, which was skirting the “very poor” category on Sunday, was caused more by external factors than from sources within the capital, according to the Centre's Decision Support System (DSS).

- Jasjeev Gandhiok

Data on Sunday showed at least 67.89% of Delhi's total PM2.5 contribution was from external sources.

The rest—32.11%—was a result of pollution sources within the capital, particularly vehicular emissions. Interestingly, stubble burning —a key contributor to Delhi's pollution load between October and November, was not among the top 5 contributors outside Delhi, adding only 2.06% of Delhi's total pollution load on Sunday. Instead, DSS data showed, the pollution from neighbouring NCR towns is a major contributing factor.

The DSS — the city’s only operational pollution-tracking model which gives an estimated contribution of sources to Delhi's PM 2.5 — was reactivated only earlier this month after it was suspended last year over inaccuracies.

Hindustan Times Noida からのその他のストーリー

Hindustan Times Noida

IT ministry tightens rules for online content removal

THE RULES WILL LIMIT CONTENT REMOVAL POWERS TO OFFICIALS AT JOINT SECRETARY RANK OR ABOVE AND DEPUTY INSPECTOR GENERAL OR HIGHER IN POLICE

time to read

2 mins

October 23, 2025

Hindustan Times Noida

SC seeks UP reply on juveniles in Agra jail

The Supreme Court has directed the Uttar Pradesh government to clarify whether juvenile delinquents are being kept with adult prisoners in Agra Central Jail, stressing that no law permits housing minors anywhere other than designated observation homes.

time to read

1 mins

October 23, 2025

Hindustan Times Noida

PM rally puts focus on Karpoori Thakur village

SAMASTIPUR WAS ONCE THE SEAT OF 2-TIME CM AND SOCIALIST ICON KARPOORI THAKUR

time to read

1 mins

October 23, 2025

Hindustan Times Noida

SNAG AFFECTING BOEING 787'S R.A.T. PART OF WIDER PATTERN

When Air India Flight 117’s emergency power system deployed unexpectedly during a landing in Birmingham on October 4, it was part of a pattern affecting dozens of the aircraft - a Boeing 787 — worldwide, the aviation regulator has learnt.

time to read

1 min

October 23, 2025

Hindustan Times Noida

Wish I could live closer to my sisters, like when we were kids, but that's life

Bobby Deol opens up about the bond with his sisters that has persevered despite the physical distance

time to read

1 mins

October 23, 2025

Hindustan Times Noida

EU studying cancer risk from ethanol in biocides

The European Union is considering classifying ethanol used in biocidal products such as hand sanitizers as a dangerous substance over increasing risks of cancer, the Financial Times reported on Tuesday.

time to read

1 min

October 23, 2025

Hindustan Times Noida

Hindustan Times Noida

In a first, 150 indigenous dogs getting commando op training

NEW DELHI: Over 150 indigenous Rampur Hound and Mudhol Hound dogs are being trained for the first time by the Border Security Force (BSF) to undertake high-risk commando operations across India’s eastern and western frontiers and in Left Wing Extremism (LWE)-affected areas, officials aware of the development said.

time to read

1 mins

October 23, 2025

Hindustan Times Noida

Centre to monitor edible oil output, stocks online

The Centre on Wednesday amended a key provision of a food-regulation order, asking manufacturers, blenders and packers of cooking oil to report monthly production and stock returns through a designated online portal, a move aimed at tracking inventories to check inflation as well as excess imports.

time to read

1 min

October 23, 2025

Hindustan Times Noida

Siddaramaiah’s son says father in ‘final phase’ of political life, sparks row

Karnataka MLCand CMSiddaramaiah’s son, Yathindra Siddaramaiah, on Tuesday sparked a buzz by saying that his father was in the “final phase of his political life”, while expressing hope that senior Congress leader Satish Jarkiholi could take up the responsibility, and bea role model whoisaligned with the ideology of the Congress party.

time to read

1 min

October 23, 2025

Hindustan Times Noida

Fernandes strike in vain as FC Goa lose to Al Nassr

Brison Fernandes has yet to make his senior India debut but it is unlikely Khalid Jamil will ignore the wide forward now.

time to read

2 mins

October 23, 2025

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