Delhi remains the worst-affected state in three of the four seasons, with a yearly population-weighted PM2.5 average of 101 µg/m³, nearly 2.5 times the national standard and 20 times the WHO benchmark.

Delhi emerges as India’s most polluted region: Here's what CREA study finds more on major AQI breach

The national capital recorded an overall AQI of 380, a slight deterioration from Saturday’s levels.

Delhi chokes! Air quality remains ‘very poor’ for 10th consecutive day in NCR; several areas cross 400 AQI mark

Supreme Court seeks details on Delhi’s AQI monitoring equipment amid manipulation charges, Centre argues tools used in Capital are among the best in the world 


Air Pollution: SC refuses blanket restrictions, Seeks Delhi govt affidavit on AQI monitoring equipment amid data manipulation charges

Delhi’s toxic air contributes to health risks and influences some residents’ decisions to temporarily or permanently leave the city. Despite continued migration inflows, pollution drives growing concern over quality of life and life expectancy.

Pollution and Migration: Is toxic air forcing people to leave Delhi?

Delhi uses AI and IoT technologies for real-time pollution monitoring and forecasting. Smart sensors and AI-driven systems help predict pollution spikes and identify sources, aiding timely actions to protect public health. Improvements aim at better accuracy and preventive measures.

Technology fighting toxic air: Delhi’s use of AI and IoT in pollution monitoring and management

Delhi’s hazardous air quality is driven by pollutants such as PM2.5, PM10, and nitrogen dioxide. These particles come from vehicles, industries, dust, and seasonal causes like crop burning. High pollution levels continue to impact health and life expectancy in the city.

Major pollutants driving Delhi’s AQI: PM2.5, PM10, NO₂, and other

Delhi’s winter pollution spikes due to temperature inversions, low wind speeds, stubble burning nearby, and local emissions. Together, these factors trap dangerous pollutants over the city, causing hazardous smog and health risks that need urgent regional and local actions.

3 major reason why Delhi’s pollution spikes in winter season

GRAP stages 2, 3 and 4 form Delhi’s tiered plan to tackle air pollution. These targeted steps activate progressively stricter measures based on air quality levels to reduce harmful emissions and improve public health.

What is Grap-2, 3 and 4? How does it help in reducing pollution in Delhi

What health problems does Delhi’s air pollution cause? Millions face risks like breathing difficulties, heart disease, and more. Explore the top six health effects of poor air quality and learn how pollution impacts daily life. 

Delhi pollution effect: Top 6 health issues linked to poor air quality

What causes most of Delhi’s air pollution? Vehicles, dust, stubble burning, and firecrackers are key contributors to poor air. Know other major pollution sources affecting millions.

Top 7 biggest contributors to Delhi’s air pollution

Seven areas in Delhi, including Bawana and Wazirpur, have seen a rise in AQI reaching the ‘severe’ category. Pollution from factories, traffic, and stubble burning affects millions of people.

Top 7 Delhi areas with the worst AQI

Delhi authorities on Tuesday (Nov 11) imposed Stage 3 of the Graded Response Action Plan (GRAP) after the AQI dropped to “very poor”. Under the restrictions, construction and industrial activities are banned, along with restrictions on vehicular emissions.

Toxic smog continues to blanket Delhi, AQI misses ‘severe’ mark by 1 point

The Chief Minister, Rekha Gupta, said that GRAP 3 has been implemented and all safety measures have been taken for the same. Schools up to class 5 will follow a hybrid system, with both online and physical classes.



Delhi air pollution: All schools to run in hybrid mode till class 5

The toxic air and haze pushed the national capital into the ‘red zone’, making it one of the most polluted cities in the country. Data from the CPCB showed that Delhi’s 24-hour average AQI, measured at 4 pm, stood at 361, placing it second among the most polluted cities nationwide.

Delhi chokes as pollution levels rise, AQI breaches 400 in several areas; city enters ‘red zone’

Officials attributed the sharp decline in air quality to a western disturbance, which caused stagnant weather conditions and trapped pollutants, along with the bursting of firecrackers during Gurpurab celebrations.


Delhi’s air quality deteriorates to ‘very poor’ as smog blankets NCR

A bench headed by outgoing Chief Justice BR Gavai directed the Commission for Air Quality Management (CAQM) and the Central Pollution Control Board (CPCB) to file a detailed report on their efforts to improve Delhi's air quality.

SHOCKING! 'Only 9 of 37 air monitor stations were active on Diwali': Delhi's air pollution data out

Historical data indicate that the city has now entered its most polluted stretch of the year. According to a Delhi Pollution Control Committee (DPCC) analysis of CPCB data from 2018 to 2022, the period from November 1–15 consistently records the year’s highest AQI levels.

Delhi’s air quality remains ‘very poor’ for 3rd straight day, may hit ‘severe’ level on Tuesday

Areas such as Kartavya Path, Anand Vihar, Burari and Akshardham were shrouded in fog during the early morning hours. Vivek Vihar and Anand Vihar also registered “severe” air quality on Monday, recording AQI levels of 415 and 408, respectively.

Delhi’s air quality slips to ‘very poor’; AQI crosses 350 in several areas, GRAP II imposed

During a meeting on October 17, the Commission for Air Quality Management (CAQM) approved a blanket ban on the entry of polluting commercial vehicles into Delhi starting November 1, to address the capital’s worsening air pollution.

Delhi bans entry of polluting vehicles from November 1 to curb air pollution — Check if your wheels are allowed

Air quality in Delhi breached the ‘poor’ category on Tuesday with a reading of 201, and Delhi's AQI stood at 169 at 9 am on Monday, rising to a 24-hour average of 189 by 4 pm, which was a 22-point increase from Sunday's AQI of 167.

Delhi's air quality falls to ‘poor’ levels ahead of Diwali — Here’s why

The black crust formation is a progressive phenomenon that begins with a thin black layer or deposit, which can be removed in the early stages without significantly damaging the stone’s integrity, the researchers said.

Delhi air pollution not just harming citizens, study says it’s damaging iconic Red Fort too

Air pollution levels in the Indian capital hit their highest of the season earlier this week. An AQI of 499 is the highest this year. Air pollution has emerged as a big challenge for the Delhi government in recent years and with no real solution in sight a helplessness of sort is visible. Experts cite the need for a realistic, long term plan against the problem.

Delhi Chokes On Air

Air pollution in the capital Delhi has gone from severe level to very poor category in most places...In an effort to curb pollution levels, ---The New Delhi municipal corporation carried out night cleaning and sweeping of roads at several locations in the national capital early Friday morning...

Delhi Suffocates: City Under Smog Seige

Respiratory diseases linked to toxic air have nearly doubled in the Indian capital- New Delhi over the last 18 years. Hospitals are flooded with cases related to breathing issues and eye irritation problems. Health experts have urged residents to take preventive measures such as wearing masks. Air purifiers offer temporary relief, but experts emphasize the need for systemic changes like stricter emissions regulations and better public transport. Without long-term interventions, the pollution crisis in Delhi will only worsen, pushing more lives to the brink.

Delhi Air Pollution Crisis: Air Pollution Increasing Respiratory Diseases In Delhi

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Delhi emerges as India’s most polluted region: Here's what CREA study finds more on major AQI breach

Delhi chokes! Air quality remains ‘very poor’ for 10th consecutive day in NCR

SC Seeks Delhi govt Affidavit on AQI monitoring equipment