Is Delhi haze caused by Iran's petrol rain? Expert answers

In recent days, rumours circulating online have suggested that the haze over Delhi could be linked to smoke or chemical fallout from refinery strikes in Iran, even claiming that 'petrol rain' in the region was responsible for the unusual atmospheric conditions. An expert provides answers to these claims.

Delhi, India's capital, has been shrouded in thick haze in recent days, affecting air quality. Online rumours suggest this haze could be linked to smoke or chemical fallout from refinery strikes in Iran, with some claims pointing to 'petrol rain' in the region as the cause of the unusual atmospheric conditions.

According to an India Today report, these rumours have gained traction lately. Keywords include Delhi haze, petrol rain, Iran petrol rain, science news, toxic snow, and weather updates. While the sources do not detail the expert's full response, the title indicates an expert is addressing these questions.

The story was published on March 10, 2026. Delhi's haze is typically associated with local pollution sources, but these international rumours are raising concerns.

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Delhi shrouded in thick smog on the 13th day of very poor air quality (AQI 337-373), with masked commuters amid hazy cityscape.
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Delhi's air quality remains very poor on 13th day of haze

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Delhi and the NCR region marked the 13th consecutive day of hazardous air on November 26, 2025, with the city's AQI recorded between 337 and 373, categorized as very poor to severe. Particulate matter levels dipped slightly but stayed well above WHO limits, amid forecasts of no rain to clear the smog. NCR cities like Noida and Gurugram also reported high pollution indices.

Black rain fell on Iran's capital Tehran following US-Israeli strikes on oil facilities on 7 and 8 March. The strikes ignited fires that produced thick smoke, leading to health concerns among residents. Scientists warn of potential environmental and health risks from the polluted precipitation.

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Delhi-NCR is grappling with a double blow of pollution and fog. Air Quality Index has surpassed 350 in most areas, with ventilation index dropping to 800, posing severe health risks. Doctors have warned of rising respiratory illnesses.

Dense fog has enveloped Delhi-NCR and parts of North India, causing delays to several flights at Indira Gandhi International Airport. Airlines including IndiGo, SpiceJet and Air India, along with the airport, have advised passengers to check flight status. Delhi's AQI has dipped to 387, nearing the severe category.

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Dense fog and intense cold persisted in Delhi on Tuesday, December 23, disrupting flight and train services for the second consecutive day amid the city's ongoing winter weather crisis. Monday saw over 500 flights delayed and 14 cancelled at Indira Gandhi International Airport, with air quality at a very poor AQI of 373.

On January 17, 2026, dense fog blanketed Delhi-NCR, reducing visibility to zero and causing delays in flights and trains. Air quality worsened, prompting the imposition of GRAP-III restrictions. The IMD has warned of continued cold wave and fog for the next five days.

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Delhi's Air Quality Index (AQI) dropped to 184 in the moderate category on Saturday following Friday's rain and strong winds. This marks the first such improvement in over three months. Experts predict the respite will be short-lived.

 

 

 

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