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POLLUTANT CONCENTRATION
47 out of 50 most polluted cities of the world in India, Delhi gets a high rankAccording to live air quality rankings, India has 47 of the world's 50 most polluted cities. Sri Ganganagar in Rajasthan is the most pollut...10 Nov, 2026, 12.49 PM IST- From tyres to footwear: How Brisil is finding new uses for rice husk ashRice husk ash is often treated as industrial waste. Vadodara-based Brisil converts it into green silica—a material used in tyres, footwear,...10 Nov, 2026, 11.45 AM IST
- Air quality deteriorates in north India post-Diwali; Delhi records highest AQI since 2021A significant increase in air pollution was observed across north India following the recent Diwali celebrations. The Air Quality Index (AQ...09 Nov, 2026, 07.25 PM IST
- 'Data eclipse': Questions over Delhi AQI data as several monitoring stations go offline on Diwali nightDelhi recorded its most polluted Diwali in five years, with the average AQI touching 376, but questions have emerged over the reliability o...09 Nov, 2026, 06.52 PM IST
- Surat student wins prize for tool that predicts groundwaterA Surat school student has won a national innovation challenge for developing JALAAKAR, a machine-learning project that estimates groundwat...09 Nov, 2026, 03.41 PM IST
- Delhi's post-Diwali smog puts Rekha Gupta & Co's clean-air promise to testDelhi's air quality has recently deteriorated, reaching a severe level of 370 on November 9. Chief Minister Rekha Gupta's government is fac...09 Nov, 2026, 02.20 PM IST
- AQI: Delhi at 743, Lucknow at 493, Indore at 449 after Diwali; check AQI across major Indian citiesAQI near me: Air quality in numerous Indian cities has taken a severe downturn after Diwali festivities, leading to alarming pollution leve...09 Nov, 2026, 01.17 PM IST
- Delhi AQI at 3,000 or 300? Why different apps are showing different pollution levelsDelhi's air pollution readings have sparked confusion as government and independent monitoring platforms report sharply different AQI figur...09 Nov, 2026, 10.21 AM IST
- Congress' Ajay Maken flags missing PM2.5 data at 25 Delhi stations on Diwali nightAjay Maken raised concerns about the lack of PM2.5 data at 25 air quality monitoring stations on Diwali night. He noted that pollution leve...09 Nov, 2026, 09.54 AM IST
- ET Graphics: Smog season is here, againDelhi’s air quality has deteriorated, as pollution levels reached alarming rates in neighbouring cities as well. Major factors contributing...07 Nov, 2026, 01.25 AM IST
- Delhi AQI today: Air quality remains very poor, one station records satisfactory; Smog covers Delhi-NCR areas like Gurugram, Noida and GhaziabadAQI today: Delhi’s overall AQI stood at 389 on November 6, falling in the Very Poor category, while station-wise readings showed pollution ...06 Nov, 2026, 07.45 AM IST
- Mumbai, India's financial hub is losing its coastal edge as pollution surgesMumbai has faced unusually poor air quality throughout October as the average air quality index has sharply increased. According to data, t...30 Oct, 2026, 12.04 PM IST
- "Sink the idea": Mumbai sweats over a sea plan that intitially made waves but is now causing ripples of worryLight pollution is already recognised as a global environmental and public health concern. Research has linked artificial light to sleep di...27 Oct, 2026, 05.56 PM IST
- E100 ethanol fuel allowed in India: What it is, whether you can use it in your existing petrol car & what the new rules meanE100 ethanol fuel India: The government has amended vehicle emission rules to allow E100, a fuel containing 100% ethanol, in compatible fle...27 Oct, 2026, 01.27 PM IST
- From murder charges to military curfews: The fallout from a US Marine's case in Japan reignites anger over American forces in OkinawaLance Corporal Devin Jacob Ballard faces charges in the murder of Anna Yagi, which has triggered public outrage. His alleged actions and th...26 Oct, 2026, 10.16 PM IST
- Delhi's decades-long battle against air pollution: From dusty skies to AI-powered monitoringDelhi has faced significant air pollution issues, prompting numerous studies and legal actions over the decades. Interventions such as the ...24 Oct, 2026, 05.35 PM IST
- Pakistan's Lahore becomes the world's most polluted city as AQI hits hazardous 410Lahore was ranked the world's most polluted city on Friday after its AQI reached 410, a hazardous level, according to IQAir. The platform r...23 Oct, 2026, 06.21 PM IST
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