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air quality index

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A public notice hangs outside India Gate during Janta Curfew proposed by Prime Minister Narendra Modi -- to prevent the spread of coronavirus, at Humanyun Road, in New Delhi, India, on Sunday, March 22, 2020.(Sushil Kumar/HT PHOTO)

Delhi's air quality deteriorates to 'poor' category

ANI | , New Delhi
PUBLISHED ON MAR 29, 2021 09:01 AM IST
According to SAFAR, the AQI is likely to improve to poor to moderate category on March 30 and 31.
The problem of air pollution in India is largely focused around the national capital, Delhi, high concentrations of PM 2.5 (ultrafine particulate matter with diameter less than 2.5 micrometres) are recorded in the entire Indo-Gangetic Plains (IGP) , especially during the winter season.( Biplov Bhuyan/ Hindustan Times)
The problem of air pollution in India is largely focused around the national capital, Delhi, high concentrations of PM 2.5 (ultrafine particulate matter with diameter less than 2.5 micrometres) are recorded in the entire Indo-Gangetic Plains (IGP) , especially during the winter season.( Biplov Bhuyan/ Hindustan Times)

22 of 30 most polluted cities in India: Report

By Soumya Pillai, Hindustan Times, New Delhi
PUBLISHED ON MAR 17, 2021 02:43 AM IST
  • Ghaziabad in Uttar Pradesh was the most polluted with the average annual PM 2.5 levels of 106.6ug/m3, making it the second most polluted city in the world after Hotan in China (110.2 ug/m3).
Air quality improved in major cities in India but 22 cities featured among the top 30 most polluted cities in the world, showed new data from IQAir’s global air quality data platform in its World Air Quality Report 2020. (Representative Image)(PTI)
Air quality improved in major cities in India but 22 cities featured among the top 30 most polluted cities in the world, showed new data from IQAir’s global air quality data platform in its World Air Quality Report 2020. (Representative Image)(PTI)

News updates from HT: India's air quality improved in 2020, says report

By hindustantimes.com, Hindustan Times, New Delhi
UPDATED ON MAR 16, 2021 04:47 PM IST
Here are today’s top news, analysis and opinion. Know all about the latest news and other news updates from Hindustan Times.
The concentration of life-shortening particles decreased by 15 per cent in New Delhi.(Biplov Bhuyan/HT Photo)
The concentration of life-shortening particles decreased by 15 per cent in New Delhi.(Biplov Bhuyan/HT Photo)

India’s air quality improved in 2020 amid coronavirus pandemic: Report

By hindustantimes.com | Edited by Mallika Soni, Hindustan Times, New Delhi
UPDATED ON MAR 16, 2021 03:44 PM IST
  • Air quality improved in major cities in India but 22 cities featured among the top 30 most polluted cities in the world.
The commission was working on a long-term solution to control the annual problem of stubble burning in the agrarian states of Punjab, Haryana and Uttar Pradesh, which becomes the reason for pollution in the national capital.(HT_PRINT)
The commission was working on a long-term solution to control the annual problem of stubble burning in the agrarian states of Punjab, Haryana and Uttar Pradesh, which becomes the reason for pollution in the national capital.(HT_PRINT)

New air quality panel shuts down after ordinance lapses

By HT Correspondent, New Delhi
UPDATED ON MAR 14, 2021 02:32 AM IST
In its five months of its tenure, the CAQM had taken the decision of converting industries to PNG in the Delhi-NCR by January 31, during its tenure.
People out at India Gate lawns in the morning in New Delhi amid smog on Sunday. (Arvind Yadav/ Hindustan Times)
People out at India Gate lawns in the morning in New Delhi amid smog on Sunday. (Arvind Yadav/ Hindustan Times)

Delhi records maximum temperature at 34 degrees Celsius, air quality poor

PTI | , New Delhi
PUBLISHED ON MAR 07, 2021 09:37 PM IST
The minimum temperature in the city settled at 14.4 degrees Celsius while the air quality was recorded in the poor category.
An overall AQI of 252 was measured on Sunday, which was in the poor category after two days of moderate quality air. (Pratik Chorge/HT Photo)
An overall AQI of 252 was measured on Sunday, which was in the poor category after two days of moderate quality air. (Pratik Chorge/HT Photo)

Air 'poor' in Ghaziabad, Noida, Faridabad, Gurugram

PTI | , Noida
PUBLISHED ON FEB 07, 2021 08:12 PM IST
The AQI for each city is based on the average value of all monitoring stations there.
Vehicles move amid the dense fog with low visibility as the air quality decreases, in New Delhi on Sunday. (ANI Photo)
Vehicles move amid the dense fog with low visibility as the air quality decreases, in New Delhi on Sunday. (ANI Photo)

Air 'very poor' for third day in row in NCR region

PTI |
PUBLISHED ON FEB 04, 2021 08:40 PM IST
The average 24-hour AQI at 4 pm on Thursday was 338 in Ghaziabad, 322 in Noida, 312 in Greater Noida, 308 in Faridabad and 303 in Gurgaon, according to CPCB's Sameer app.
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)

Air quality improves in Ghaziabad, Noida, Faridabad

PTI | , Noida
PUBLISHED ON JAN 17, 2021 08:49 PM IST
On Saturday, it was 423 in Ghaziabad, 438 in Greater Noida, 434 in Noida, 416 in Faridabad and 316 in Gurgaon.
Low wind speed is not allowing dispersal of pollutants in the air in Delhi NCR.
Low wind speed is not allowing dispersal of pollutants in the air in Delhi NCR.

Delhi-NCR air in severe category, temperatures to dip in northwest India

By Jayashree Nandi, New Delhi
UPDATED ON JAN 16, 2021 09:21 AM IST
  • Cold wave or 'severe’ cold wave conditions are also very likely over Punjab, Haryana, Chandigarh, Delhi, Uttar Pradesh, Rajasthan and east Madhya Pradesh during the next two days
According to the CPCB, an AQI in the 'very poor' category may cause respiratory illness on prolonged exposure, while prolonged exposure to 'poor' quality air may cause breathing discomfort to most people.(Parveen Kumar/HT Photo)
According to the CPCB, an AQI in the 'very poor' category may cause respiratory illness on prolonged exposure, while prolonged exposure to 'poor' quality air may cause breathing discomfort to most people.(Parveen Kumar/HT Photo)

Air quality 'poor' in parts of Delhi NCR

PTI |
PUBLISHED ON JAN 10, 2021 06:41 PM IST
The average 24-hour AQI at 4 pm on Sunday was 280 in Ghaziabad, 311 in Greater Noida, 239 in Noida, 251 in Faridabad and 215 in Gurgaon, according to CPCB's Sameer app.
A morning walker near India Gate on a winter morning at Rajpath in New Delhi.(Biplov Bhuyan/HT PHOTO)
A morning walker near India Gate on a winter morning at Rajpath in New Delhi.(Biplov Bhuyan/HT PHOTO)

Delhi’s air quality improves, to become better over the weekend: IMD

Hindustan Times, New Delhi | By HT Correspondent | Edited by Zara Khan
UPDATED ON JAN 08, 2021 08:30 AM IST
There is a possibility of light rain in some parts of Delhi on January 9, after which the wind speeds is likely to reach around 25kmph
A morning walker near India Gate on a winter morning at Rajpath in New Delhi, India. (Photo by Biplov Bhuyan/ Hindustan Times)
A morning walker near India Gate on a winter morning at Rajpath in New Delhi, India. (Photo by Biplov Bhuyan/ Hindustan Times)

News updates from Hindustan Times: Delhi’s AQI deteriorates slightly and all the latest news

Hindustan Times, New Delhi | By hindustantimes.com
UPDATED ON JAN 06, 2021 08:56 AM IST
Here are today’s top news, analysis and opinion at 9am. Know all about the latest news and other news updates from Hindustan Times.
Commuters out in the rain at Vijay Chowk in New Delhi, India.(Arvind Yadav/HT PHOTO)
Commuters out in the rain at Vijay Chowk in New Delhi, India.(Arvind Yadav/HT PHOTO)

Rainfall pushes up temperature, Delhi’s air quality improves

Hindustan Times, New Delhi | By HT Correspondent
UPDATED ON JAN 05, 2021 05:34 AM IST
On Monday, Delhi recorded an air quality index (AQI) of 151, placing it in “moderate” category — a substantial improvement compared to the past three days. On January 1, Delhi’s AQI was in 441, placing it in the “severe” zone; while it was 443 on January 2, also in “severe” category; and it was 354 on January 3 in “very poor” category.
A man carrying an umbrella commutes during rains amid cold weather in New Delhi on Saturday.(Raj K Raj/HT PHOTO)
A man carrying an umbrella commutes during rains amid cold weather in New Delhi on Saturday.(Raj K Raj/HT PHOTO)

Light rain in Delhi, minimum temperature rises due to cloud cover

New Delhi | By Press Trust of India | Posted by Kanishka Sarkar
UPDATED ON JAN 02, 2021 09:29 PM IST
The minimum temperature in Delhi is likely to rise to 9 degrees Celsius in the next two to three days under the influence of the western disturbance, the IMD said.
Air quality on Sunday evening deteriorated and reached the "severe" zone according to CPCB, but improvement started early Monday as wind direction changed to northwesterly.(Biplov Bhuyan/HT PHOTO)
Air quality on Sunday evening deteriorated and reached the "severe" zone according to CPCB, but improvement started early Monday as wind direction changed to northwesterly.(Biplov Bhuyan/HT PHOTO)

After deteriorating last week, Delhi’s air to improve: IMD

Hindustan Times, New Delhi | By HT Correspondent | Edited by Zara Khan
PUBLISHED ON DEC 28, 2020 08:15 AM IST
CPCB recordings show that the overall AQI reading of Delhi on Sunday was 396, in the "very poor" zone. On Saturday, the AQI reading was 337, also in the "very poor" category
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)

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

Hindustan Times, New Delhi | By HT Correspondent
UPDATED ON DEC 28, 2020 04:36 AM IST
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 out on a winter morning near India Gate at Rajpath in New Delhi.(Biplov Bhuyan/HT PHOTO)
People out on a winter morning near India Gate at Rajpath in New Delhi.(Biplov Bhuyan/HT PHOTO)

Delhi’s air better today, to improve further: IMD

Hindustan Times, New Delhi | By HT Correspondent | Edited by Zara Khan
UPDATED ON DEC 25, 2020 08:55 AM IST
Delhi’s air has been in the "severe" zone from Tuesday when the AQI reading slipped to 418
According to the Central Pollution Control Board data, the overall AQI on Wednesday and Tuesday was 433 and 418, in the severe category.(Sanchit Khanna /HT PHOTO)
According to the Central Pollution Control Board data, the overall AQI on Wednesday and Tuesday was 433 and 418, in the severe category.(Sanchit Khanna /HT PHOTO)

Marginal improvement in Delhi’s air quality; remains in severe zone

Hindustan Times, New Delhi | By HT Correspondent | Edited by Sameer
PUBLISHED ON DEC 24, 2020 08:40 AM IST
Scientists said the pollution levels have increased because of low wind speed and dipping temperature, which have trapped pollutants closer to the ground
A man and child seen in warm clothes on a winter day at Connaught Place in New Delhi.(Sanchit Khanna/HT PHOTO)
A man and child seen in warm clothes on a winter day at Connaught Place in New Delhi.(Sanchit Khanna/HT PHOTO)

Delhi’s air quality stays ‘severe’, IMD forecasts further drop in temperature this week

Hindustan Times, New Delhi | By HT Correspondent
UPDATED ON DEC 24, 2020 02:52 AM IST
Central Pollution Control Board (CPCB) data showed that Delhi’s overall AQI on Wednesday was 433, up from 418 on Tuesday.
A visitor feeding the geese at Sanjay Lake amid fog and cold weather in New Delhi.(Ajay Aggarwal /HT PHOTO)
A visitor feeding the geese at Sanjay Lake amid fog and cold weather in New Delhi.(Ajay Aggarwal /HT PHOTO)

Delhi’s air quality dips further, touches ‘severe’ zone

Hindustan Times, New Delhi | By HT Correspondent
UPDATED ON DEC 23, 2020 01:35 AM IST
Central Pollution Control Board (CPCB) data shows that Delhi’s overall Air Quality Index (AQI) on Tuesday was 418 as of 4pm, down sharply from 332 (very poor) on Monday.
The air quality, which improved slightly on Monday, deteriorated on Tuesday as temperatures dropped. Mumbai reported an average air quality index (AQI) reading—a pollutant measuring indicator—of 183 (moderate).(Satish Bate/HT Photo)
The air quality, which improved slightly on Monday, deteriorated on Tuesday as temperatures dropped. Mumbai reported an average air quality index (AQI) reading—a pollutant measuring indicator—of 183 (moderate).(Satish Bate/HT Photo)

Mumbai: Temperature drops to 16 degrees Celsius as winter arrives

Hindustan Times, Mumbai | By HT Correspondent | Edited by Sameer
UPDATED ON DEC 22, 2020 04:34 PM IST
The IMD said temperatures are likely to remain low in the city for the next couple of days
On Sunday, the minimum temperature recorded at the Safdarjung observatory was 3.4 degrees Celsius, five notches below the season’s normal. This was the lowest recording for the season.(Amal KS/HT PHOTO)
On Sunday, the minimum temperature recorded at the Safdarjung observatory was 3.4 degrees Celsius, five notches below the season’s normal. This was the lowest recording for the season.(Amal KS/HT PHOTO)

Delhi pollution continues to rise, temperature set to drop further

Hindustan Times, New Delhi | By HT Correspondent | Edited by Zara Khan
UPDATED ON DEC 22, 2020 09:29 AM IST
CPCB data shows that the overall AQI reading of Delhi on Monday was 332, in the "very poor" category
A municipal corporation tanker sprays water on trees to reduce air pollution in Prayagraj on Saturday.(ANI)
A municipal corporation tanker sprays water on trees to reduce air pollution in Prayagraj on Saturday.(ANI)

Uttar Pradesh: Notices to 48 industrial units for violating pollution norms

Hindustan Times, Lucknow | By HT Correspondent | Edited by Zara Khan
PUBLISHED ON DEC 21, 2020 09:05 AM IST
Of the 48, 28 units were from national capital region and the rest from Lucknow, Kanpur and nearby districts
Representational image.(Vipin Kumar/HT PHOTO)
Representational image.(Vipin Kumar/HT PHOTO)

Uttar Pradesh’s cities continue to be plagued by polluted air

Hindustan Times, Lucknow | By HT Correspondent | Edited by Zara Khan
PUBLISHED ON DEC 21, 2020 08:39 AM IST
Lucknow, which was the most polluted city on Saturday, recorded an air quality index (AQI) reading of 406 on Sunday
The national capital on Sunday recorded the coldest morning of the season, with the minimum temperature falling to 3.4 degrees Celsius.(Biplov Bhuyan/HT PHOTO)
The national capital on Sunday recorded the coldest morning of the season, with the minimum temperature falling to 3.4 degrees Celsius.(Biplov Bhuyan/HT PHOTO)

Delhi’s temperature likely to increase today, will dip again this week

Hindustan Times, New Delhi | By HT Correspondent | Edited by Zara Khan
UPDATED ON DEC 21, 2020 08:23 AM IST
Due to a western disturbance, the city’pollution levels are likely to increase along with temperature
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)

At 278, Delhi’s AQI remains in poor category

New Delhi, Hindustan Times | By HT Correspondent
UPDATED ON DEC 19, 2020 11:17 AM IST
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
The city recorded an air quality index (AQI)—a pollutant measuring indicator—of 218 on Friday, falling in the poor quality category.(HT PHOTO.)
The city recorded an air quality index (AQI)—a pollutant measuring indicator—of 218 on Friday, falling in the poor quality category.(HT PHOTO.)

Air quality dips in Mumbai as cold wave continues in northern India

Hindustan Times, Mumbai | By HT Correspondent
UPDATED ON DEC 18, 2020 10:14 PM IST
Bandra Kurla Complex recorded the poorest air quality with an AQI of 362, followed by Navi Mumbai where an AQI of 329 was recorded—both in the very poor category. SAFAR has predicted that air quality will remain poor on Saturday as well.
Delhi on a cold morning.(Arvind Yadav/HT file)
Delhi on a cold morning.(Arvind Yadav/HT file)

Mercury dips to 4.1°C in Delhi; minimum temperatures to drop in most of NW India

Hindustan Times, New Delhi | By HT Correspondent | Edited by Smriti Sinha
UPDATED ON DEC 15, 2020 09:19 AM IST
Delhi’s air quality index is 192 in moderate category. Most cities and towns in northwest India are recording poor to moderate air quality today
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