PM2 5 DATA
Delhi’s Diwali pollution started before the fireworks. What five years of action have achieved
Delhi’s air was already severely polluted before Diwali, with average PM2.5 levels in the week before the festival reaching 236 micrograms per cubic metre, nearly double the 2025 level, according to CSE. The findings suggest firecrackers and stubble burning worsen an existing crisis rather than create it, with vehicles, industry, construction, waste burning and pollution from neighbouring NCR districts keeping baseline pollution high.
Delhi AQI crosses 321: IIT Delhi records Delhi's highest AQI of 414 on November 12 as city's overall pollution level increases 21 points in a day
Delhi AQI today: Delhi recorded an overall AQI of 321 at 7 am on November 12, placing the city in the very poor category. IIT Delhi reported the highest reading at 414, in the severe category. Of the 57 monitoring stations reporting data, 39 recorded very poor air quality and 16 reported poor readings.
Mystery of Delhi's missing PM2.5 data
If data went missing, so, too, it seems, did political will and judicial authority that were supposed to make this Diwali different. According to Indian Institute of Tropical Meteorology, more than 80% of Delhi pollution the day after Diwali was due to firecracker emissions. Despite this, politicians fell back on pointing to sources beyond Delhi's borders
Delhi AQI today: Air quality improves to 'poor' category, no station records 'severe' levels; check IMD weather forecast and other details
Delhi air pollution news: Air quality in Delhi showed improvement as the AQI dropped below 300 on Wednesday. The city had been experiencing very poor and severe air quality previously. Data from 59 monitoring stations indicated that 29 stations recorded very poor levels. An increase in wind speed is anticipated to lead to further improvement in air quality.
Pakistan blames India's Diwali fireworks for Lahore's toxic air
The northern Pakistani city of Lahore topped Swiss group IQAir's ranking of the world's most polluted major cities for a second day on Tuesday, with an air quality index (AQI) of 263, categorised as "very unhealthy".
Delhi teen turns ordinary fans into air purifiers for Rs 140 only, wins the Diana Award 2026. Who is Krish Aggarwal?
Delhi teenager Krish Aggarwal, co-founder of Project Vayu, has developed a Rs 140 filter that turns ordinary fans into air purifiers. Designed for easy installation, the filter captures PM2.5 particles and offers schools an affordable way to improve indoor air quality. The initiative has benefited over 10,000 students and earned Krish the 2026 Diana Award.
Delhi's Diwali pollution puzzle: Updated data shows massive spikes, gaps remain
On Diwali night, alarming gaps in air quality monitoring data raised serious concerns about pollution levels in Delhi. Some monitoring stations displayed particulate matter levels far exceeding prescribed limits. The Central Pollution Control Board revealed data omissions during the critical pollution period.
ICSE Class 10 & ISC Class 12 board examination datesheet announced; exams to begin on February 15, 2027
CISCE ICSE Date Sheet 2027: CISCE has released the timetable for the ICSE and ISC Year 2027 examinations, which will commence in February. A total of 379,980 candidates are expected to take these examinations across various subjects. The ICSE exams are set to begin on February 15, while the ISC exams will begin on February 9. Examination centers will be established in India and overseas for the convenience of candidates.
Anthropic unveils Fable 5.2 and Mythos 5.2, its most powerful AI models yet: All you need to know
In a blog post, Anthropic said both models improve on coding, reasoning and vision, and cost less than the 5.1 versions. “Testers have found that Fable 5.2 and Mythos 5.2 communicate more clearly than past Fable and Mythos models,” it added.
Delhi AQI today: National captial's air quality improves but remains in 'very poor' category; check IMD weather forecast and other details
Delhi pollution latest news: Delhi experienced marginal improvement in air quality as AQI levels decreased after Diwali celebrations. The Air Quality Index recorded a reading of 304 at one point, down from earlier figures. Despite this, pollution remained in the 'very poor' category according to the Central Pollution Control Board. The government's emergency action plan continues to be enforced to tackle rising pollution levels.
Anthropic unveils new Fable, Mythos models as competition heats up ahead of IPO
Anthropic on Monday unveiled two new AI models, Claude Fable 5.2 and Claude Mythos 5.2, as the OpenAI rival looks to strengthen its position in the fast-growing AI market ahead of its planned IPO.
Claude Fable 5.2, Claude Mythos 5.2: Anthropic unveils new AI models, check features, speed, price, release date
Claude Fable 5.2 targets coding, reasoning and AI agent tasks, while Claude Mythos 5.2 targets approved cybersecurity and life-sciences research applications.
Air quality deteriorates in north India post-Diwali; Delhi records highest AQI since 2021
A significant increase in air pollution was observed across north India following the recent Diwali celebrations. The Air Quality Index (AQI) levels in Delhi, Haryana, Punjab, and western Uttar Pradesh surpassed 350, indicating poor air quality. Many cities reported severe pollution, with readings at 439 recorded at Delhi Technological University. Residents experienced health issues such as breathing difficulties and eye irritation after the celebrations.
'Data eclipse': Questions over Delhi AQI data as several monitoring stations go offline on Diwali night
Delhi recorded its most polluted Diwali in five years, with the average AQI touching 376, but questions have emerged over the reliability of official data after 36 of its 59 monitoring stations stopped reporting readings at 1 am during peak pollution hours. Private platforms reported significantly higher pollution levels, with AQI.in recording a peak of 2,283.
AQI: Delhi at 743, Lucknow at 493, Indore at 449 after Diwali; check AQI across major Indian cities
AQI near me: Air quality in numerous Indian cities has taken a severe downturn after Diwali festivities, leading to alarming pollution levels. Delhi recorded a staggering AQI of 743, marking it as hazardous. Nearby cities, including Lucknow, Indore, and Pune, fared poorly as well, with AQIs ranging from 412 to 493. Meanwhile, Chennai and Ahmedabad experienced unhealthy air conditions, but their pollution levels remained lower. Elevated concentrations of PM2.
Delhi AQI at 3,000 or 300? Why different apps are showing different pollution levels
Delhi's air pollution readings have sparked confusion as government and independent monitoring platforms report sharply different AQI figures, ranging from the 300s to over 3,000. Differences in AQI calculation methods, averaging periods, monitoring networks and sensor technology explain why apps show varying numbers. Here's why Delhi's AQI readings differ and how PM2.5 levels can provide a clearer picture of air pollution.
Congress' Ajay Maken flags missing PM2.5 data at 25 Delhi stations on Diwali night
Ajay Maken raised concerns about the lack of PM2.5 data at 25 air quality monitoring stations on Diwali night. He noted that pollution levels averaged 38.4 times the World Health Organisation's limit at the remaining stations. Maken emphasized that this inconsistency affects the accuracy of pollution data and trends. The Air Quality Index in Delhi has deteriorated significantly following Diwali celebrations.
ET Graphics: Smog season is here, again
Delhi’s air quality has deteriorated, as pollution levels reached alarming rates in neighbouring cities as well. Major factors contributing to this situation include vehicle emissions and agricultural fires from nearby states. Forecasts indicate that pollution may worsen due to drifting smog from western Uttar Pradesh by November 8. Recent data shows 58 cities across India reported poor air quality, highlighting a broader national crisis. Additionally, India's average PM2.
Delhi AQI today: Air quality remains very poor, one station records satisfactory; Smog covers Delhi-NCR areas like Gurugram, Noida and Ghaziabad
AQI today: Delhi’s overall AQI stood at 389 on November 6, falling in the Very Poor category, while station-wise readings showed pollution levels varying across the city. CRRI Mathura Road recorded the highest station AQI at 261, followed by Jahangirpuri, Rohini, Mundka and Dwarka Sector 8. The report also covers readings from other monitoring stations across Delhi.
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