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Latest from air quality

Delhi: Dense fog engulfs capital, AQI slips to ‘very poor’, flight delays likely

  • The air quality in the national capital slipped from ‘satisfactory’ to ‘very poor’ category in less than a week.
Delhi last reported about one hour of dense fog on December 29.
Delhi last reported about one hour of dense fog on December 29.
Published on Jan 14, 2022 09:08 AM IST
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By | Written by Sharmita Kar | Edited by Sohini Goswami, New Delhi

Courtesy weekend rain, Delhi sees cleanest January air since 2015

Aided by a rainy spell on the weekend, Delhi has already recorded two ‘satisfactory’ air days on Saturday (91) and Sunday (69), while it recorded another ‘moderate’ air day on Monday, when the AQI was 151
A view of the Akshardham temple, on Wednesday. (Amal KS/HT)
A view of the Akshardham temple, on Wednesday. (Amal KS/HT)
Updated on Jan 13, 2022 04:53 AM IST
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Delhi's air quality back to 'severe' category, AQI at 430

Delhi's air quality was recorded in the 'severe' category for the fifth consecutive day on Saturday, according to the Central Pollution Control Board.
Delhi's air quality remains in the 'severe' category for the sixth consecutive day. (ANI File Photo)
Delhi's air quality remains in the 'severe' category for the sixth consecutive day. (ANI File Photo)
Published on Dec 26, 2021 07:55 AM IST
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By | Written by Meenakshi Ray

Delhi's AQI improves to 'very poor' category on Christmas Day

Delhi's air quality index improved after remaining in the ‘severe’ category for four days. Despite bad air quality, which led to reduced visibility, the flight operations remain normal at Delhi airport. Light rain is likely in parts of north India from December 27, which may improve AQI a bit. 
According to SAFAR data, Delhi's air quality index improved marginally on Saturday morning. (Sachin Khanna/HT File Photo)
According to SAFAR data, Delhi's air quality index improved marginally on Saturday morning. (Sachin Khanna/HT File Photo)
Published on Dec 25, 2021 12:09 PM IST
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By | Written by Amit Chaturvedi, Hindustan Times, New Delhi

Delhi's air quality remains in 'severe' zone

  • According to the Central Pollution Control Board, the hourly Air Quality Index (AQI) at 7am on Friday was 433
Delhi’s air quality index (AQI) was in the ‘severe’ zone on Friday morning. ((Amal KS/HT Photo))
Delhi’s air quality index (AQI) was in the ‘severe’ zone on Friday morning. ((Amal KS/HT Photo))
Updated on Dec 24, 2021 09:21 AM IST
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Delhi air pollution: Restrictions on construction activities likely to be eased

  • The commission had on Friday said the restrictions on construction and demolition activities in Delhi-NCR will continue till further orders.
Every year in Delhi, air quality plummets to hazardous levels with the onset of winters.
Every year in Delhi, air quality plummets to hazardous levels with the onset of winters.
Published on Dec 20, 2021 06:20 AM IST
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Construction curbs likely to be eased in Delhi as air quality improves: Report

  • The Commission for Air Quality Management (CAQM) on Friday permitted construction works for selective sectors such as healthcare, railways, Metro, public utilities and national security, among others, to resume.
The CAQM on Friday stayed the ban on construction and demolition works in Delhi-NCR, barring those in selective sectors. (PTI)
The CAQM on Friday stayed the ban on construction and demolition works in Delhi-NCR, barring those in selective sectors. (PTI)
Published on Dec 19, 2021 03:51 PM IST
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Written by Sharangee Dutta | Edited by Meenakshi Ray, Hindustan Times, New Delhi

Airing differences: Political narrative on air quality management in India

The study has been authored by Santosh Harish, Mandakini Chandra, Sahithi Uppalapati 
Air pollution exposure is a pan-India, year-round public health crisis estimated to cause the deaths of more than 1.2 million Indians every year.
Air pollution exposure is a pan-India, year-round public health crisis estimated to cause the deaths of more than 1.2 million Indians every year.
Published on Dec 18, 2021 08:25 PM IST
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ByCPR

Air quality panel squads crack down on 228 polluting units

  • The CAQM has been conducting regular reviews of pollution control measures being taken by Delhi and NCR states since the onset of winters when pollution levels tend to spike in the region.
New Delhi weather: According to Safar, Delhi’s air quality improved more than expected. (HT File Photo/Sachin Khanna)
New Delhi weather: According to Safar, Delhi’s air quality improved more than expected. (HT File Photo/Sachin Khanna)
Published on Dec 10, 2021 03:16 AM IST
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By, Hindustan Times, New Delhi

Rain has little impact as air quality slides to severe in Delhi

Weather experts said a combination of calm winds, low temperature and very light rain adding to Delhi’s moisture content, took the air quality index in Delhi to a severe reading of 429.
While only 1mm of rainfall was recorded at Safdarjung, cloud cover through the day meant Delhi recorded a maximum temperature of just 19.8°C – five notches below normal and the lowest maximum so far this winter season. (Sanchit Khanna/HT)
While only 1mm of rainfall was recorded at Safdarjung, cloud cover through the day meant Delhi recorded a maximum temperature of just 19.8°C – five notches below normal and the lowest maximum so far this winter season. (Sanchit Khanna/HT)
Published on Dec 03, 2021 12:04 AM IST
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ByJasjeev Gandhiok

Delhi: Slow winds, fog keep air pollution in severe zone

While the Delhi government had banned construction activities in the Capital from Thursday on the orders of the Supreme Court, calm winds and low temperatures trapped pollutants. Delhi also saw shallow fog in the morning, which mixed with pollutants to cause smog
A view of Yamuna Bank near National Highway 24 on Friday. According to the System of Air Quality and Weather Forecasting And Research (Safar), relief is expected from November 29 onwards, when surface winds touch 15-20 km/hr. (Sanjeev Verma/HT PHOTO)
A view of Yamuna Bank near National Highway 24 on Friday. According to the System of Air Quality and Weather Forecasting And Research (Safar), relief is expected from November 29 onwards, when surface winds touch 15-20 km/hr. (Sanjeev Verma/HT PHOTO)
Updated on Nov 27, 2021 12:27 AM IST
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ByJasjeev Gandhiok, New Delhi

Not Delhi, this city in Bihar recorded the worst AQI in past 24 hours

According to the CPCB bulletin, as many as 27 cities across India recorded ‘good’ category air quality in the past 24 hours. Of them, at least 20 belong to the southern Indian states. 
Delhi recorded an air quality index (AQI) of 290 in the ‘poor’ category in the past 24 hours. (Hindustan Times)
Delhi recorded an air quality index (AQI) of 290 in the ‘poor’ category in the past 24 hours. (Hindustan Times)
Published on Nov 23, 2021 08:40 PM IST
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Written by Sharangee Dutta | Edited by Avik Roy, Hindustan Times, New Delhi

News updates from HT: Delhi's air quality stays in ‘very poor’ category

Here are today’s top news, analysis, and opinion. Know all about the latest news and other news updates from Hindustan Times.
Vehicles move amid heavy haze near Supreme Court at Tilak Marg in New Delhi. (Arvind Yadav / HT Photo)
Vehicles move amid heavy haze near Supreme Court at Tilak Marg in New Delhi. (Arvind Yadav / HT Photo)
Updated on Nov 20, 2021 01:01 PM IST
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By, Hindustan Times, New Delhi

Delhi air may improve as wind speed picks up: IMD

Central Pollution Control Board (CPCB) data shows that Delhi’s overall Air Quality Index (AQI) reading on Friday was 380, categorised as “very poor”.
Low visibility due to a thick layer of smog at Vijay Chowk in New Delhi, Friday. (PTI)
Low visibility due to a thick layer of smog at Vijay Chowk in New Delhi, Friday. (PTI)
Updated on Nov 25, 2021 07:05 AM IST
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By, Hindustan Times, New Delhi

Amid ‘very poor’ Delhi air quality, expert lists suggestions to avoid pollution 

  • Authorities are scrambling to combat the air pollution crisis, with the Commission on Air Quality Management (CAQM) widening the curbs across NCR late Tuesday.
The Air Quality Index (AQI) in Delhi was recorded at 379 on Wednesday.(AP)
The Air Quality Index (AQI) in Delhi was recorded at 379 on Wednesday.(AP)
Published on Nov 17, 2021 07:58 AM IST
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By | Written by Kunal Gaurav, Hindustan Times, New Delhi

Not Delhi, but this city in Haryana recorded the worst AQI in past 24 hours

  • Delhi has consistently been choking in extremely poor air quality. The seriousness of the condition led chief minister Arvind Kejriwal to announce closure of schools, and also 100 per cent work from home in all government offices for a week.
The category in which a city’s AQI lies is recorded by the Central Pollution Control Board (CPCB). (Sanchit Khanna/HT PHOTO)
The category in which a city’s AQI lies is recorded by the Central Pollution Control Board (CPCB). (Sanchit Khanna/HT PHOTO)
Published on Nov 15, 2021 10:49 PM IST
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Written by Sharangee Dutta | Edited by Avik Roy, Hindustan Times, New Delhi

Delhi's AQI improves marginally, still in 'very poor' category

The improvement comes on a day the Aam Aadmi Party (AAP) government will submit a lockdown proposal to the Supreme Court to reduce the rising air pollution further.
People walk near Rashtrapati Bhavan amid smoggy conditions in New Delhi. (AFP Photo)
People walk near Rashtrapati Bhavan amid smoggy conditions in New Delhi. (AFP Photo)
Published on Nov 15, 2021 10:00 AM IST
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By | Written by Meenakshi Ray, New Delhi

Pak's Lahore declared most polluted city globally after breaching AQI 700 mark

  • The AQI remained above 500 for the fourth consecutive day in various parts of the city which worsened to 700 after 12 pm on Thursday, reported Samaa TV.
Commuters make their way amid smoggy conditions in Lahore. (Photo by Arif ALI / AFP)
Commuters make their way amid smoggy conditions in Lahore. (Photo by Arif ALI / AFP)
Updated on Nov 13, 2021 06:23 AM IST
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ANI | | Posted by Sharangee Dutta, Hindustan Times, New Delhi

Air quality commission shuts down after ordinance lapses

  • Ordinances must be approved by Parliament within six weeks of the Parliament convening or they cease to operate.
File photo: Delhi's air quality during winters.(HT_PRINT)
File photo: Delhi's air quality during winters.(HT_PRINT)
Updated on Mar 13, 2021 06:17 PM IST
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By, New Delhi

Air quality improves in Ghaziabad, Noida, Faridabad

On Saturday, it was 423 in Ghaziabad, 438 in Greater Noida, 434 in Noida, 416 in Faridabad and 316 in Gurgaon.
A morning walker near India Gate, New Delhi. AQI was in the severe category on Friday in NW India including Delhi, Faridabad, Ghaziabad, Greater Noida, and Noida. (HT file)(HT_PRINT)
A morning walker near India Gate, New Delhi. AQI was in the severe category on Friday in NW India including Delhi, Faridabad, Ghaziabad, Greater Noida, and Noida. (HT file)(HT_PRINT)
Published on Jan 17, 2021 08:49 PM IST
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PTI | , Noida

Covid-19 lockdown impact on urban air quality smaller than believed: Study

The first Covid-19 lockdowns led to significant changes in urban air pollution levels in global cities such as Delhi and London, but the changes were smaller than expected.
NO2 is a key air pollutant from traffic emissions, associated with respiratory problems, while ozone is also harmful to health, and damages crops.(Unsplash)
NO2 is a key air pollutant from traffic emissions, associated with respiratory problems, while ozone is also harmful to health, and damages crops.(Unsplash)
Updated on Jan 14, 2021 05:47 PM IST
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PTI | , London

Light rain likely in some areas, temp may fall, IMD says

Even as the temperature remained high on Thursday, the air quality showed a marginal deterioration, but remained in the “poor” zone.
The maximum temperature was 19.9 degrees Celsius, a notch above normal.
The maximum temperature was 19.9 degrees Celsius, a notch above normal.
Updated on Jan 08, 2021 04:16 AM IST
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Hindustan Times, New Delhi | By, New Delhi

Air slips into severe zone, city witnesses first smog episode

Delhi Pollution Control Committee (DPCC) recordings show that the concentration of PM 2.5 (particulate matter with diameter less than 2.5 micrometres) started rising from Thursday midnight and reached above the 300ug/m3 mark.
A man crosses the road at Tilak Marg, near ITO, on Friday when the capital witnessed dense fog.(Arvind Yadav/HT PHOTO)
A man crosses the road at Tilak Marg, near ITO, on Friday when the capital witnessed dense fog.(Arvind Yadav/HT PHOTO)
Updated on Jan 02, 2021 01:16 AM IST
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Hindustan Times, New Delhi | By

Poor air quality may affect recovered Covid-19 patients: Experts

Considering the drop in temperature that deteriorates air quality, doctors in Pune city have issued a word of caution for people suffering from lung ailments, especially those who have recovered from Covid-19.
According to medical experts, deterioration of air quality can also cause complications in patients infected by coronavirus.(Unsplash)
According to medical experts, deterioration of air quality can also cause complications in patients infected by coronavirus.(Unsplash)
Updated on Jan 01, 2021 05:53 PM IST
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Pune | ByPress Trust of India

Delhi witnesses moderate fog, min temperature drops to 3.5 degrees

Air quality in most towns and cities in northwest India is in “poor” category. However, it has improved significantly since Sunday because of strong winds
Dense to very dense fog is very likely over Punjab, Haryana, Chandigarh, Uttar Pradesh, Rajasthan, Delhi and Uttarakhand during the next three days.(Sanjeev Verma/HT PHOTO)
Dense to very dense fog is very likely over Punjab, Haryana, Chandigarh, Uttar Pradesh, Rajasthan, Delhi and Uttarakhand during the next three days.(Sanjeev Verma/HT PHOTO)
Updated on Dec 30, 2020 09:11 AM IST
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Hindustan Times, New Delhi | ByHT Correspondent | Edited by Zara Khan

Delhi shivers under cold wave, minimum temperature dips to 3.6° Celsius

Air quality has improved compared to last week mainly due to moderate winds
“Cold wave” to “severe cold wave” conditions are likely in some pockets over Uttarakhand, Himachal Pradesh, Punjab, Haryana, Chandigarh, Delhi and north Rajasthan during December 28 to 30(Biplov Bhuyan/HT PHOTO)
“Cold wave” to “severe cold wave” conditions are likely in some pockets over Uttarakhand, Himachal Pradesh, Punjab, Haryana, Chandigarh, Delhi and north Rajasthan during December 28 to 30(Biplov Bhuyan/HT PHOTO)
Updated on Dec 29, 2020 09:50 AM IST
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Hindustan Times, New Delhi | ByHT Correspondent | Edited by Zara Khan

Delhi’s air quality nears severe; IMD warns of cold wave from Tuesday

The Central Pollution Control Board (CPCB) bulletin showed that the overall air quality index of Delhi on Sunday was 396, in the ‘very poor’ zone.
People gathered around a bonfire on a winter evening at Yamuna Pusta Road in New Delhi.(Raj K Raj/HT PHOTO)
People gathered around a bonfire on a winter evening at Yamuna Pusta Road in New Delhi.(Raj K Raj/HT PHOTO)
Updated on Dec 28, 2020 04:36 AM IST
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Hindustan Times, New Delhi | By

Fit and fine by Kamal Singh CSCS: Training in winters

The pros and cons of work out in cold weather
Low temperature makes it easy to pick up the pace – whether you run/cycle or lift weights(Shutterstock)
Low temperature makes it easy to pick up the pace – whether you run/cycle or lift weights(Shutterstock)
Published on Dec 27, 2020 06:58 AM IST
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Hindustan Times | ByKamal Singh CSCS

Air quality ‘very poor’ in Noida; ‘poor’ in Ghaziabad, Gurugram, Faridabad

The CPCB states that an AQI in the “very poor” category may cause respiratory illness on prolonged exposure while “poor” may lead to breathing discomfort to people.
The average 24-hour AQI at 4 pm on Saturday was 301 in Noida, 295 in Ghaziabad, 292 in Greater Noida, 260 in Faridabad and 260 in Gurgaon, according to CPCB’s Sameer app.(PTI file photo)
The average 24-hour AQI at 4 pm on Saturday was 301 in Noida, 295 in Ghaziabad, 292 in Greater Noida, 260 in Faridabad and 260 in Gurgaon, according to CPCB’s Sameer app.(PTI file photo)
Published on Dec 19, 2020 06:31 PM IST
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Noida | ByPress Trust of India | Posted by Deepali Sharma

At 278, Delhi’s AQI remains in poor category

On Saturday, the minimum temperature is predicted to be at 4 degrees Celsius and maximum temperature at 21 degrees Celsius with partly cloudy sky towards afternoon and evening
A man wrapped in a blanket stands near a pile of burning garbage on a cold day, at Kashmere Gate on Friday.(Amal KS/HT PHOTO)
A man wrapped in a blanket stands near a pile of burning garbage on a cold day, at Kashmere Gate on Friday.(Amal KS/HT PHOTO)
Updated on Dec 19, 2020 11:17 AM IST
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New Delhi, Hindustan Times | ByHT Correspondent
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Saturday, January 22, 2022