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Saturday, March 14, 2026
TopicPM2.5

Topic: PM2.5

Why Delhi’s PM2.5 levels dropped rapidly post Diwali after hitting 4-year high

Particulate matter 2.5 can penetrate deep into the lungs and enter the bloodstream if inhaled. Long exposure can worsen and trigger cardiac and respiratory ailments.

25 of 130 cities under National Clean Air Programme see spike in pollution levels

Govt launched the programme with aim of improving air quality in 130 cities. A majority of the cities did witness a reduction in PM10 levels, Lok Sabha was informed.

What’s making Delhi air deadlier

Some of the pollutants that make Delhi's air deadly are around 70 times finer than a strand of human hair and can mix in the bloodstream, causing long-term health issues.

Delhi’s PM2.5 levels in 2024 were over 2x the national limit despite stubble burning dip—CSE report

During winters in 2024, Delhi’s peak PM2.5 level was 732 µg/m³, much higher than 2023’s peak of 580 µg/m³, says a report released Monday by Centre for Science & Environment.

Plummeting bus ridership, explosion of cars, Delhi’s mobility crisis is driving up winter pollution

Delhi needs to incentivise its public transport system and make it cost-effective and faster, say climate scientists.

Air pollution linked with 33,000 deaths in India each year between 2008 & 2019, finds Lancet study

The first multi-city study to assess the relationship between short-term air pollution exposure and death in India, it assessed PM2.5 exposure in 10 cities.

Air pollution linked to surging Type 2 diabetes cases, finds 7-yr study of Delhi & Chennai residents

Findings are 1st evidence from India linking high PM2.5 levels in ambient air with rising blood sugar levels. Study by Indian & US researchers published in British Medical Journal.

India was 8th most polluted country in 2022, with PM2.5 levels 10 times the WHO limit: IQAir report

Bhiwadi in Rajasthan was the most polluted city in India and second-most polluted in central and south Asia region. Delhi was not far behind, followed by Darbhanga and Asopur.

Short-term PM2.5 exposure is deadly too — new study finds strong links to mortality in Delhi

Researchers says Delhi's Graded Response Action Plan to combat pollution is futile. Also says reducing exposure could have 'averted' over 17,000 deaths.

93% of world’s children breathe air that could kill them before adulthood: WHO report

Children exposed to pollution have degrading health in the long term, leading them to develop childhood cancer, asthma, and heart disease.

On Camera

What India can learn from the US-Israel war on Iran

Without any air force or navy worth the name, both Iran and Ukraine have held two superpowers at bay.

US strike on Iran’s key oil export island Kharg raises fears of wider supply disruption

President Trump said the US had bombed military targets on Kharg Island in the Persian Gulf, but spared oil infrastructure.

Supreme Leader Mojtaba, the man Iran must keep alive & the secret force ‘tasked with it’—all about NOPO

The Nirouyeh Vijeh Pasdaran Velayat, or NOPO, was the only force Ali Khamenei trusted.It was founded in 1991 and is more feared than the Revolutionary Guards.

Peaceful power transfers followed uprisings in India’s neighbourhood. It’s a sign of mature democracies

Rating democracies is a tricky business. I am only using the simple metric of who in the Indian subcontinent has had the most peaceful, stable, normal political transitions and continuity.