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Delhi pollution: Air quality may deteriorate over next 48 hours

Delhi’s average air quality index (AQI) was recorded at 353 (very poor) on Monday, maginally poor from 330 on Sunday. However, it may shift towards the higher end of the very poor range (up to 400), forecasters said

New Delhi, Nov 15 (ANI): Anti-Smog gun being used as the city's air quality decreases due to rising air pollution near Bhairon Marg, in New Delhi on Monday. (ANI Photo) (Amit Sharma)
Published on Nov 16, 2021 12:15 AM IST
ByJasjeev Gandhiok

Explained: Delhi’s air pollution spikes year-round

Data has shown that the national capital witnesses spike in air pollution in three periods of the year for which a number of meteorological factors are responsible, besides the local sources of pollution. An explainer

New Delhi , India - Nov. 15, 2021: A view of Akshardham engulfed in thick smog in New Delhi, India, on Monday, November 15, 2021.(Photo by Amal KS / Hindustan Times) (Hindustan Times)
Published on Nov 15, 2021 11:58 PM IST
ByJasjeev Gandhiok

Winds help improve index, but Capital’s air stays very polluted

Delhi recorded an average AQI of 330 in the very poor category, down from 437 (severe) recorded on Saturday. According to the CPCB data, AQI on seven of the first 14 days in November was in the severe zone

Doctors have warned that even short-term exposure to such polluted air may cause irreversible damage to critical organs of even healthy individuals. (Parveen Kumar/HT)
Updated on Nov 15, 2021 04:51 AM IST
ByJasjeev Gandhiok, Hindustan Times, New Delhi

Farm fires may pick up soon, experts say

Experts also cautioned that a smaller window would not necessarily mean fewer fires; in fact, this year’s cumulative fire count could match or even surpass the figures of the past years, an estimation that does not bode well for Delhi

While the number of farm fires collectively in Punjab and Haryana were only 20,723 till October 31, this figure has more than tripled, to 62,308 in the last 10 days. (PTI)
Updated on Nov 12, 2021 04:04 AM IST
ByJasjeev Gandhiok, Hindustan Times, New Delhi

Delhi pollution: AQI improves to enter very poor zone

According to experts, though local meteorological conditions largely remained the same, a slight drop in the speed of wind that is bringing stubble emissions to Delhi has led to this slight improvement in the last 24 hours

New Delhi , India - November 10, 2021: A view of a street engulfed in thick smog at Teen Murti Marg in New Delhi , India, on Wednesday, November 10, 2021.(Photo by Amal KS / Hindustan Times) (Hindustan Times)
Updated on Nov 11, 2021 03:26 AM IST
ByJasjeev Gandhiok, Hindustan Times, New Delhi

Parts of north Delhi have city’s worst air quality, pollution control body says

To be sure, air pollution in Delhi has been at its worst in the first week of November this year, breaching levels not seen since January

Teen Murti Marg in Delhi shrouded in a haze of pollution earlier this week. (Sanchit Khanna/HT Photo)
Updated on Nov 11, 2021 03:19 AM IST
By, Jasjeev Gandhiok, Hindustan Times, New Delhi

Delhi’s 13 hotspots continue to record alarmingly high levels of pollution

Four new locations -- Alipur, ITO, Nehru Nagar and Sonia Vihar -- all recorded at least four ‘severe’ air days, levels exceeding even some of the existing pollution hot spots

In a review meeting held by the DPCC on Tuesday evening, air quality data analysed between November 1 and November 8 shows that not only do these locations continue to record ‘severe’ air, but newer locations with high pollution levels have also emerged during this period. (Raj K Raj/HT Photo)
Published on Nov 11, 2021 12:15 AM IST
ByJasjeev Gandhiok & Soumya Pillai, New Delhi

AQI ‘severe’ again as farm fires hit record

The AQI on Tuesday, according to the 4pm health bulletin, was 404, worse than the 390 on Monday.

The overall air quality in the Delhi remained in the ‘severe’ category. (ANI Photo)
Updated on Nov 10, 2021 12:56 AM IST
ByAbhishek Jha, Jasjeev Gandhiok, Hindustan Times, New Delhi

At fault for a frothy Yamuna: Raw sewage, frothing agents

According to a report by a monitoring committee appointed by the National Green Tribunal in 2018, the 22-km stretch of the Yamuna between Wazirabad and Okhla, accounts for 76% of the total pollution in the river

River watchers and experts pointed out that the froth downstream of Okhla barrage has been occurring for more than a decade now but the magnitude of the problem has worsened in the last few years. (Sunil Ghosh/HT Photo)
Updated on Nov 09, 2021 02:15 AM IST
ByParas Singh, Jasjeev Gandhiok, Hindustan Times, New Delhi

Pollution-check measures amped up in Delhi as AQI improves marginally

The sub-committee of the Commission for Air Quality Management for Delhi-NCR and adjoining areas met on Monday, and decided to upgrade the Grap measures from the current steps that were being enforced under the ‘very poor’ air category

On Monday, the AQI dropped to 390 with wind speeds picking up and the share of stubble fires to Delhi’s PM2.5 pollution dipping to 30%, according to CPCB and Safar data. (Amal KS/Hindustan Times)
Updated on Nov 09, 2021 03:30 AM IST
ByJasjeev Gandhiok, , Hindustan Times, New Delhi

Pollutants from farm fires hit season high as Delhi air in red for third day

Delhi's air quality plunged into the severe category on November 5, a day after Diwali, due to a blatant violation of the ban on bursting of crackers and the increase in the number of farm fires.

New Delhi, India, Nov. 7, 2021: Mayur Vihar seen engulfed in thick smog, in New Delhi, India, on Sunday, November 7, 2021. (Photo by Amal KS / Hindustan Times) (Hindustan Times)
Updated on Nov 08, 2021 02:31 AM IST
ByJasjeev Gandhiok, Hindustan Times, New Delhi

Delhi: Pollution peaks as norms go up in smoke

PM 2.5 levels hit 1,984µg/m3 in south-east Delhi’s Okhla-Phase-2, 33 times the national ambient air quality standards and nearly 397 times the WHO safe-limit. In north Delhi’s Ashok Vihar, the hourly average of the micro particle touched 1,957µg/m3 at 3am

The 24-hour average air quality on Diwali (Thursday) at 4pm was 382. The same was recorded at 462 on Friday. (Sanchit Khanna/HT)
Updated on Nov 06, 2021 12:58 AM IST
ByJasjeev Gandhiok, Hindustan Times, New Delhi

Toxic haze engulfs New Delhi

Delhi recorded its worst day-after-Diwali air quality since 2016, with the air quality index, or AQI, soaring to 462 on the back of a sharp increase in stubble burning in Punjab and Haryana, and a blatant violation of the fireworks ban in the national capital

Commuters drive amid low visibility on Diwali at Narwana road as the pollution level rises, in New Delhi.(HT_PRINT)
Updated on Nov 06, 2021 05:33 AM IST
ByJasjeev Gandhiok and Soumya Pillai, New Delhi

Delhi records worst Diwali since 2016, air quality jumps above 450

The national capital recorded its worst Diwali since 2016 with the overall Air Quality Index (AQI) spiking to a reading of 462 (severe) on Friday, according to the Central Pollution Control Board’s (CPCB) daily 4 pm bulletin – a sharp spike from a reading of 382 (very poor) on Diwali day

Meteorological conditions and a spike in farm fires have played a key role. (REUTERS)
Updated on Nov 05, 2021 07:18 PM IST
ByJasjeev Gandhiok

Crackers or not, air quality in Delhi likely to continue downward slide: IMD

According to India Meteorological Department (IMD), from Thursday, the wind direction will change to northwesterly which will bring more particulate pollutants from the farm fires in Punjab and Haryana.

On November 2, the city recorded AQI in the very poor zone for the first time since the last 146 days. On November 3, the air stayed in the same zone, indicating it may worsen further. (Arvind Yadav/HT PHOTO)
Updated on Nov 04, 2021 07:07 AM IST
ByJasjeev Gandhiok & Soumya Pillai, Hindustan Times, New Delhi

Crackers or not, Diwali to plunge air into ‘very poor’ range in Delhi

The Safar forecasts mentioned that northwesterlies will bring in heavy load of pollutants from farm fires in Punjab and Haryana from November 4. Each year, bursting of crackers coupled with local and external pollution sources such as stubble fires cause a spike in air pollution on Diwali

To be sure, the Delhi government has imposed a complete ban on the sale, storage and use of firecrackers until January 1, 2022. (Arvind Yadav/HT PHOTO)
Updated on Nov 03, 2021 07:28 AM IST
ByJasjeev Gandhiok

November woes begin: Delhi AQI enters red zone, climbing

The air quality index (AQI) was 303, according to the 4pm bulletin, breaching the threshold from poor to very poor for the first time this season. Over the next couple of days, wind directions are likely to change in a way that they bring in smoke from farm fires that have recently been raging in parts of Punjab and Haryana.

The last time Delhi’s AQI slipped into the “very poor” zone was on June 9(HT_PRINT)
Updated on Nov 03, 2021 05:36 AM IST
BySoumya Pillai and Jasjeev Gandhiok, New Delhi

Delhi faces key pollution fight as fires rise, mercury drops

The city recorded its lowest temperature of the season at 13.6°C on Monday morning – cold conditions cause winds to die down, trapping pollutants – and the number of farm fires in Punjab and Haryana crossed 3,000 on Sunday.

The Capital breathes its most polluted air between November 1 and November 15.(Sanchit Khanna/HT file photo)
Updated on Nov 02, 2021 05:00 AM IST
ByJasjeev Gandhiok, New Delhi

Delayed monsoon gives Delhi its cleanest October air since at least 2015

The average air quality index this October was 173, compared to October 2019 — the cleanest till now — when the average AQI was 234

The Qutub Minar in Delhi on Monday. The city saw lesser air pollution last month than is usual for October (Amal KS/HT Photo)
Updated on Nov 01, 2021 01:06 AM IST
ByJasjeev Gandhiok, Hindustan Times, New Delhi

33 DPCC teams to enforce ban on diesel gensets in Delhi 

Only emergency and essential services have been exempted from the ban

A haze over Mayur Vihar on Friday morning. (Amal KS/HT Photo)
Updated on Oct 30, 2021 04:15 AM IST
ByJasjeev Gandhiok, New Delhi

Dwarka tops list, Anand Vihar second among air pollution hot spots in Delhi

Dwarka has stayed in the top five list for nine out of the 12 days, and Anand Vihar on eight days, shows CPCB’s daily air quality bulletins

As the air quality in Delhi has begun worsening, Central Pollution Control Board has started releasing daily air quality reports (AP)
Updated on Oct 29, 2021 06:31 AM IST
ByJasjeev Gandhiok, New Delhi

Delhi: In first for the season, temp below 15°C as AQI worsens

Delhi’s overall AQI was recorded at 232 (poor), from Tuesday’s reading of 139 (moderate), largely owing to a rise in farm fires across the northern plains

A haze over the Yamuna river during sunrise on Wednesday. (PTI)
Updated on Oct 28, 2021 06:15 AM IST
ByJasjeev Gandhiok, New Delhi

Delhi govt to start its anti-firecracker campaign from today

Delhi environment minister Gopal Rai said eight people were prosecuted for bursting firecrackers across the capital on Karva Chauth, Sunday

The campaign involves reaching out to resident welfare associations and market associations to discourage firecracker bursting this Diwali. (Amal KS/HT PHOTO)
Updated on Oct 27, 2021 02:01 PM IST
ByJasjeev Gandhiok

Forest dept seeks DUSIB help to clear Ridge slums

While demolition drives are currently ongoing to remove the smaller structures in villages such as Devli, Asola and Pul Pahladpur, forest officials say denser areas such as Neb Sarai are next up

Officials said encroachments are being removed from 19 villages. SANCHIT KHANNA/HT ARCHIVE
Updated on Oct 27, 2021 06:23 AM IST
ByJasjeev Gandhiok, New Delhi

Capital just 30mm rainfall away from eclipsing all-time record

Since January 1, the Safdarjung weather station – representative of weather records for the city – has recorded 1,502.8mm of rain. In a typical year, Delhi gets 779mm, which means 2021 has brought the city close to twice the amount of rain as a normal year

A large chunk of the rainfall seen this year has come in the monsoon period. Between June 1 and September 30 (the period officially classified as monsoon), the city got 1,169.7mm of rainfall -- an excess of 80% over the long-period average of 648.9mm. (PTI File)
Updated on Oct 26, 2021 04:30 AM IST
ByJasjeev Gandhiok
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