air quality index
Delhi Records Second-Worst December Air Quality with AQI Reaching 461: Health Risks and Emergency Measures Implemented
Dec 14, 2025 11:47 pm CST
Delhi experienced its second-worst December air quality day on record with AQI reaching 461, as weak winds and low temperatures trapped dangerous pollutants. Health experts warn of serious risks from prolonged exposure, while authorities implement Stage IV emergency measures under GRAP, banning all construction activities across Delhi-NCR as officials struggle to combat the severe pollution crisis.
Delhi Implements GRAP Stage 4 Measures: Hybrid Classes and 50% WFH as Air Quality Reaches 'Severe Plus' Levels
Dec 13, 2025 11:59 pm CST
Delhi has activated Stage 4 of the Graded Response Action Plan (GRAP) as air quality deteriorates to 'Severe Plus' levels, with AQI reaching 441. Schools must adopt hybrid learning models through Class 11, while government and private offices have been directed to implement 50% work-from-home policies. The Commission for Air Quality Management attributes the crisis primarily to meteorological conditions rather than local emissions.
Delhi Implements GRAP-4 as AQI Exceeds 440: Emergency Pollution Control Measures Activated
Dec 13, 2025 11:51 pm CST
Delhi's air quality deteriorated rapidly on Saturday, prompting authorities to escalate from GRAP-3 to GRAP-4 emergency measures within hours. With the AQI rising to 441, officials have banned non-essential trucks, halted all construction, recommended online classes for students, and advised offices to implement 50% work-from-home policies. The CAQM attributes the crisis to unfavorable weather conditions rather than local emissions.
Decade-Long Failure: No Emission Monitoring at 11 Coal Plants Contributing to Delhi's Air Crisis
Dec 13, 2025 07:13 pm CST
An RTI response reveals the Central Pollution Control Board has failed to monitor emissions from 11 coal-fired thermal power plants near Delhi for over a decade, despite these facilities being major contributors to the region's severe air pollution. These plants continue operating without proper oversight or enforcement of 2015 emission control mandates, undermining efforts to address Delhi's persistent air quality crisis.
Delhi's Air Quality Reaches Dangerous Levels: Multiple Areas Record Severe AQI
Dec 13, 2025 11:48 am CST
Delhi's air quality has deteriorated to alarming levels, with the overall Air Quality Index (AQI) reaching 390, categorized as "very poor." Multiple areas including Anand Vihar, Jahangirpuri, and Ghazipur have recorded severe AQI levels above 435, posing serious health risks to residents. The combination of smog and shallow fog has reduced visibility across the capital, affecting flight operations and daily activities despite recent pollution control efforts.
Delhi AQI Deteriorates to Very Poor Levels with Forecast of Severe Conditions Ahead
Dec 09, 2025 01:41 am CST
Delhi's air quality remains locked in the 'very poor' category with AQI exceeding 300, as experts predict conditions will worsen to 'severe' in coming days. Transport contributes 17.7% to local pollution, while neighboring NCR districts also significantly impact air quality levels. The IMD forecasts partly cloudy conditions with temperatures ranging between 9-24°C for Tuesday.
Kejriwal Accuses Delhi CM Gupta of Manipulating Air Quality Data with Water Spraying Tactics
Dec 09, 2025 12:58 am CST
Former Delhi Chief Minister Arvind Kejriwal has publicly criticized current CM Rekha Gupta for allegedly manipulating pollution data by spraying water near AQI monitors. The controversy erupted after Gupta compared AQI to temperature measurements and defended the practice of using mist sprayers at pollution hotspots, sparking a heated political debate between AAP and BJP over Delhi's deteriorating air quality management and data transparency.
Delhi's Winter Crisis: Understanding the Temperature-Pollution Relationship in November-December
Dec 05, 2025 10:44 pm CST
Delhi faces its annual winter pollution crisis as temperatures plummet to 5°C, trapping pollutants and pushing AQI readings above 300. Data analysis reveals a clear inverse relationship between falling temperatures and worsening air quality, with pollution levels peaking when temperatures drop below 20°C. As December progresses, the cold, stagnant air continues to lock pollutants in place, creating hazardous conditions that have sparked protests across the capital.
Opposition MPs Don Gas Masks in Parliament to Protest Severe Air Pollution Crisis in Delhi NCR
Dec 03, 2025 04:02 pm CST
Opposition MPs staged a dramatic protest by wearing gas masks in Parliament, demanding urgent discussions on Delhi NCR's critical air pollution crisis. Congress leader Deepender Singh Hooda called for immediate action as AQI levels reached 'Very Poor' to 'Severe' categories across the capital region, making normal breathing difficult and affecting millions of residents.
Delhi Air Quality Reaches Near-Severe Levels with AQI 372: Transport Sector Emerges as Top Contributor
Dec 03, 2025 03:05 am CST
Delhi's air quality deteriorated to an AQI of 372 on Tuesday, with 16 monitoring stations already recording 'severe' pollution levels above 400. The transport sector contributed 18.4% to the pollution load, making it the largest local source. Officials forecast continued 'very poor' air quality in the coming days while temperatures hover around normal range, with foggy conditions expected on Wednesday.