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Page 4 - Air Quality Index

Smog blankets Delhi as AQI crosses 400; IGI Airport issues advisory

Emissions and cold conditions push Delhi AQI above 400 at 29 stations; IGI airport issued passenger advisory as flights face delay and disruption due to reduced visibility

Smog blankets Delhi as AQI crosses 400; IGI Airport issues advisory
Updated On : 23 Dec 2025 | 9:04 AM IST

Over 212K PUC certificates issued in 4 days in Delhi amid curbs: Sirsa

More than 2.12 lakh new PUC certificates were issued following the strict implementation of GRAP-IV measures over the past four days, Delhi Environment Minister Manjinder Singh Sirsa said on Monday. The minister also warned of stringent action against polluting industries and private offices flouting work-from-home directives. Speaking at a press conference, Sirsa noted that weather conditions are expected to improve by Tuesday as the impact of a western disturbance recedes. He said 2,12,332 new Pollution Under Control (PUC) certificates were issued by late night on December 16. During the same period, approximately 10,000 vehicles failed the mandatory emission tests. Sirsa announced an intensified enforcement drive across the capital, saying polluting factories and industries will now be sealed without further notice. "Action will also be taken against industries that have not applied for the mandatory Online Consent Management (OCM)," he added. The minister warned private compan

Over 212K PUC certificates issued in 4 days in Delhi amid curbs: Sirsa
Updated On : 22 Dec 2025 | 2:46 PM IST

Pollution settles in when wind stops and emissions persist: Bhupender Yadav

Bhupendra Yadav said that air quality has shown improvement on several days, but adverse meteorological conditions during December continue to pose challenges

Pollution settles in when wind stops and emissions persist: Bhupender Yadav
Updated On : 22 Dec 2025 | 11:45 AM IST

Delhi air quality stays 'severe' as dense fog and cold wave intensify

Dense fog and a cold wave worsen Delhi's already severe air quality, with AQI crossing 400 in several areas; limited visibility disrupts flights

Delhi air quality stays 'severe' as dense fog and cold wave intensify
Updated On : 22 Dec 2025 | 9:06 AM IST

Delhi battles cold wave, dense fog as air quality remains 'very poor'

Delhi faces extreme air pollution as dense fog and a cold wave persist; AQI hits hazardous levels, with vehicular emissions and industry driving hazardous conditions

Delhi battles cold wave, dense fog as air quality remains 'very poor'
Updated On : 21 Dec 2025 | 8:31 AM IST

Delhi's air on verge of severe; AQI at 398 as thick haze shrouds capital

The sky remained shrouded in dull grey, while a thick haze descended upon the capital on Saturday, with the air quality on the brink of "severe". At 4 pm, Delhi's 24-hour average Air Quality Index (AQI) was recorded at 398 -- just two points shy of the threshold -- while several monitoring stations across the city reported readings in the 'severe' category. Meanwhile, hourly AQI readings from the CPCB's SAMEER app showed that air quality worsened during the evening hours, slipping into the severe category at 401, at 5 pm. Of the 40 monitoring stations across the city, 22 recorded air quality in the severe range, while 17 logged readings in the 'very poor' category. Chandni Chowk reported the worst air quality, with an AQI reading of 464, in the 'severe plus' category. With the sun largely obscured by clouds and suspended pollutants, visibility was greatly reduced. Amid prevailing cold-wave conditions, the average air quality in the capital deteriorated to 398 on Saturday, compare

Delhi's air on verge of severe; AQI at 398 as thick haze shrouds capital
Updated On : 20 Dec 2025 | 7:50 PM IST

Clean air draws tourists to Himachal hills as AQI worsens in Delhi-NCR

Experts from the Himachal Pradesh Environment Science and Climate Change Centre have also highlighted the stark contrast in air quality between the plains and the hill state

Clean air draws tourists to Himachal hills as AQI worsens in Delhi-NCR
Updated On : 20 Dec 2025 | 5:46 PM IST

Delhi air quality worsens over weekend as all areas record AQI over 300

Dense fog and severe pollution continue to affect Delhi over the weekend, with 14 stations in the 'severe' category despite strict anti-pollution measures

Delhi air quality worsens over weekend as all areas record AQI over 300
Updated On : 20 Dec 2025 | 9:54 AM IST

'No PUCC, No Fuel' rule: Over 3,700 vehicles challaned in Delhi in 24 hours

Delhi fined over 3,700 vehicles and turned back hundreds at border points within 24 hours as the 'No PUC, No Fuel' rule came into force to curb pollution amid severe air quality

'No PUCC, No Fuel' rule: Over 3,700 vehicles challaned in Delhi in 24 hours
Updated On : 19 Dec 2025 | 2:24 PM IST

Hazardous air grips Delhi, several areas slip into severe AQI levels

Delhi's air quality remained hazardous with the AQI in the very poor category. Several locations slipped into severe levels as Grap Stage IV curbs took effect amid dense fog and cold wave conditions

Hazardous air grips Delhi, several areas slip into severe AQI levels
Updated On : 19 Dec 2025 | 9:45 AM IST

Delhi pollution crisis: No fuel without PUC as air quality continues to dip

Bans entry of non-Delhi private vehicles below BS-VI standards

Delhi pollution crisis: No fuel without PUC as air quality continues to dip
Updated On : 18 Dec 2025 | 10:21 PM IST

Delhi air remains 'very poor' as non-BS VI private vehicles barred

GRAP Stage IV measures remain in force across Delhi-NCR as authorities bar non-BS VI private vehicles, enforce 'No PUC, No Fuel', tighten construction curbs and advise at least 50% work-from-home

Delhi air remains 'very poor' as non-BS VI private vehicles barred
Updated On : 18 Dec 2025 | 9:25 AM IST

'No PUC, No Fuel' rule to be implemented in Delhi today amid worsening AQI

Delhi government's series of strict measures to deal with the air pollution crisis comes into effect today, as the city continues to grapple with severe air quality

'No PUC, No Fuel' rule to be implemented in Delhi today amid worsening AQI
Updated On : 18 Dec 2025 | 9:13 AM IST

Supreme Court ends protection to BS-III, older vehicles in Delhi-NCR

The Supreme Court has asked civic and highways authorities to examine suspending or relocating toll plazas at Delhi's borders to ease congestion and emissions amid very poor air quality

Supreme Court ends protection to BS-III, older vehicles in Delhi-NCR
Updated On : 17 Dec 2025 | 11:41 PM IST

SC allows ban on 10-yr diesel, 15-yr petrol vehicles below BS-IV in Delhi

The clarification modifies the court's August 12 order, which had earlier barred coercive action against such vehicles in the National Capital Region

SC allows ban on 10-yr diesel, 15-yr petrol vehicles below BS-IV in Delhi
Updated On : 17 Dec 2025 | 5:05 PM IST

Delhi offices to run at 50% capacity from Dec 18 amid pollution crisis

From December 18, all Delhi offices will run at 50 per cent capacity, with half staff working from home; essential services are exempt

Delhi offices to run at 50% capacity from Dec 18 amid pollution crisis
Updated On : 17 Dec 2025 | 12:03 PM IST

BS-VI rule in Delhi explained: What it is and how to check your vehicle

BS emission standards are enforced to phase out high-polluting vehicles. Here's what BS-VI means, how it differs from older norms, and how to check your vehicle's category

BS-VI rule in Delhi explained: What it is and how to check your vehicle
Updated On : 17 Dec 2025 | 10:20 AM IST

Delhi AQI remains 'very poor'; govt announces BS-VI vehicle rules

Delhi's air stays 'very poor' with AQI above 300 in several areas; govt enforces BS-VI vehicle rules, checks, and bans on construction vehicles to curb pollution

Delhi AQI remains 'very poor'; govt announces BS-VI vehicle rules
Updated On : 17 Dec 2025 | 9:24 AM IST

Impossible to fix AQI in 9-10 months, says Delhi Environment Minister

Manjinder Singh Sirsa said air pollution posed a serious and immediate risk to children, but asserted that the current government was taking steps to bring the situation under control

Impossible to fix AQI in 9-10 months, says Delhi Environment Minister
Updated On : 16 Dec 2025 | 5:18 PM IST

No fuel for vehicles without valid PUCC from Dec 18 as Delhi tightens curbs

From Thursday, vehicles without a valid PUC certificate will not get fuel at petrol pumps in Delhi, as the government steps up action to curb pollution amid worsening air quality

No fuel for vehicles without valid PUCC from Dec 18 as Delhi tightens curbs
Updated On : 16 Dec 2025 | 5:00 PM IST