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Data dressing will not help in fight against pollution

Placing CAAQMS in sanitised, low traffic areas paints an unrealistically optimistic picture of Delhi’s air -- a dangerous form of self-deception

The Delhi government must course-correct. The public deserves clean air, but more importantly, it deserves truthful air quality data (AFP)
Published on Apr 26, 2025 09:06 AM IST

40.2°C: Delhi sweats in a heatwave

The 40.2°C recorded on Monday was logged at the Safdarjung observatory — Delhi’s base weather station — which was five notches above the normal for this time of the year

According to IMD, a heatwave is when the maximum temperature is above 40°C. (PTI photo)
Published on Apr 08, 2025 09:19 AM IST

Nepal’s air pollution is worse than ever. Is it safe to travel?

Travel warning: Nepal’s air quality declared ‘hazardous’, tourists put on alert. Here’s what you must know.

Nepal’s toxic air crisis: Should you cancel your trip?(Image by AJAYA HAKUJU AND SUMAN NEPALI)
Updated on Apr 04, 2025 01:55 PM IST
ANI | | Posted by Zarafshan Shiraz, Kathmandu [nepal]

Can the new government break Delhi’s pollution cycle?

This article is authored by Arun Duggal, founder, Centre of Excellence for Research in Climate Change and Air Pollution (CERCA), IIT Delhi.

Smog and pollution on Mayur Vihar Road near Akshardham temple in New Delhi. (Raj K Raj/HT PHOTO)
Published on Apr 03, 2025 04:14 PM IST
ByArun Duggal

Delhi’s AQI remains ‘poor’ as maximum temp likely to hover between 38-40°C

The minimum temperature on Wednesday was recorded at 17.7°C, which was 0.4°C above normal and 1.7°C more than a day ago

The average air quality index (AQI) was recorded 235 at 11am. (HT photo)
Published on Mar 26, 2025 11:12 AM IST

Delhi AQI drops below 100: Residents say, all we could breathe is freshness!

The Capital's improved Air Quality Index called for celebrations from Delhiites who expressed their joy on social media. 

Delhi's AQI was recorded at its lowest in three years, for three consecutive days recently.(Photo: Sanjeev Verma/HT)
Published on Mar 19, 2025 12:49 PM IST

Delhi breathes cleanest air in Jan-March period in 3 years; GRAP fully lifted

The Commission for Air Quality Management also revoked the curbs under Stage 1 of the Graded Action Response Plan (GRAP) in view of the improved air quality. 

As of 7 pm on Saturday, the Anand Vihar air quality monitor recorded an AQI of 80, CPCB data showed.(ANI/File)
Updated on Mar 15, 2025 09:57 PM IST

Humidity causes underestimation of Delhi's pollution by up to 20 per cent: study

Delhi’s humid could result in an underestimation of the city's PM1 pollution by up to 20 per cent, according to a new study.

The study, published in the journal npj Clean Air,
Published on Mar 12, 2025 06:22 PM IST
PTI |

Delhi sees season’s hottest day with mercury at 35°C

Base weather station Safdarjung recorded a maximum of 34.8°C — six degrees above normal for this time of the year.

The highest temperature on Tuesday was recorded in Pitampura, west Delhi, at 35.3°C. (Sanjeev Verma/ Hindustan Times)
Published on Mar 12, 2025 04:59 AM IST

Delhi’s air quality deteriorates; mercury expected to go up to 33-35°C

An average air quality index (AQI) of 238 (poor) was recorded at 9am on Tuesday compared to 197 (moderate) at 4pm on Monday

The AQI has oscillated between “poor” and “moderate” zones since the weekend. (HT PHOTO)
Published on Mar 11, 2025 10:02 AM IST

Mercury spike continues, air quality may worsen in Delhi

Delhi's temperatures are set to rise to 35°C on Tuesday, with light rain expected later in the week. Air quality improved but may worsen again.

The maximum temperature on Monday was recorded at 32.6°C, while the minimum was 15.2°C.(Sanchit Khanna/HT Photo)
Updated on Mar 11, 2025 07:39 AM IST

Delhi AQI slips into ‘poor’, Grap-1 reimposed

The 24-hour average AQI was recorded at 202 at 4pm. AQI is expected to remain in the “poor” category over the next few days

The sky above Connaught Place on Friday. (Sanchit Khanna//HT PhotoHindustan Times)
Published on Mar 08, 2025 05:30 AM IST

25 comedians talk funny about air pollution

Denial taken to absurd heights and razor-sharp wit laid bare the bizarre new normal Mumbaiites are being forced to adapt to. This was Mumbai’s first-ever stand-up comedy show on air pollution

25 comedians talk funny about air pollution
Published on Mar 01, 2025 08:18 AM IST

GRAP 2 restrictions lifted in Delhi | What's allowed, what's still not

Delhi's 24-hour average air quality index stood at 186 at 4 pm, significantly below the 300-mark that triggers Stage 2 restrictions.

FILE PHOTO: Delhi has seen extreme pollution in recent months.(REUTERS)
Updated on Feb 24, 2025 06:36 PM IST

Delhi sees fourth straight day of moderate air quality

IMD has forecast the minimum temperature to stay between 11-13 °C on Sunday and Monday and then increase to 17-19 °C by next Thursday

A clear sky over the footover bridge near Burari in New Delhi on Saturday. (RAJ K RAJ /HT PHOTO)
Published on Feb 22, 2025 10:32 PM IST

AQI still ‘moderate’ as respite from air pollution continues

Strong winds will persist on Saturday, maintaining the moderate AQI, but a slowdown in wind speed on Sunday may push pollution back to the “poor” category.

A clear sky above India Gate on Friday. The AQI (131) was better than Thursday. (RAJ K RAJ /HT PHOTO)
Published on Feb 15, 2025 04:45 AM IST

Delhi AQI still ‘poor’, may improve by Thursday; minimum temperature at 11.6°C

Delhi recorded the warmest day of the year so far on Tuesday, with the maximum touching 29.7°C — six notches above normal.

People enjoy the pleasant Delhi weather at Kartavya Path. (Arvind Yadav/ HT Photo)
Published on Feb 12, 2025 09:14 AM IST

Delhi’s air quality remains ‘poor’, mercury expected to go up to 29°C

The Central Pollution Control Board (CPCB) said an average air quality index (AQI) of 285 (poor) was recorded at 9am on Tuesday compared to 271 at 4pm on Monday

Sunny days were expected to continue. (HT PHOTO)
Updated on Feb 11, 2025 09:47 AM IST

Delhi’s air quality deteriorates to ‘poor’ zone; min temp rises to 9.7°

On Sunday, Delhi recorded the warmest day of the year as the maximum touched 27.4°C, four degrees above normal

The AQI was likely to stay in the “poor” range until Tuesday. (HT PHOTO)
Published on Feb 10, 2025 09:25 AM IST

Bryan Johnson responds to criticism from India with Taare Zameen Par meme

Bryan Johnson made his point when he chose to walk out midway from Nikhil Kamath's podcast over bad AQI. He has now chosen to further engage, Bollywood style

Bryan Johnson responds to criticism over podcast walk out with Taare Zameen Par meme
Published on Feb 08, 2025 05:46 PM IST

Ghatkopar records ‘very poor’ air quality

On Friday, the city recorded an overall air quality index of 155, with Ghatkopar in the ‘very poor’ category with an AQI of 303, as per the 4pm report released by the Central Pollution Control Board (CPCB).

Ghatkopar records ‘very poor’ air quality
Published on Feb 08, 2025 08:02 AM IST

Bryan Johnson's walkout from Nikhil Kamath's podcast termed 'overkill' by fans

Earlier this week it came to light that Bryan Johnson walked out mid-session from Nikhil Kamath's podcast over bad AQI. Yes, this is as dramatic as it sounds

Nikhil Kamath and Bryan Johnson in stills from the former's podcast episode 'Longevity' (Photos: X)
Published on Feb 05, 2025 03:19 PM IST

Bryan Johnson left Nikhil Kamath podcast over a rash: Can pollution affect skin?

Yes, air pollution can cause skin breakouts, rashes, and irritation, as well as eye and throat burning. Here's what you need to know.

Bryan Johnson clarifies it was the air pollution's affect on his skin that forced him to cut short his interview with Nikhil Kamath. (X/ Bryan Johnson)
Published on Feb 04, 2025 09:57 AM IST

Delhi weather: City receives light rainfall, AQI improves slightly

The rainfall is likely to disappear on Wednesday, February 5, with increasing levels of fog to be expected in the national capital.

Light rainfall in Delhi (Photo by Vipin Kumar/ Hindustan Times)
Updated on Feb 04, 2025 08:20 AM IST

Dense fog engulfs Delhi, air quality remains 'very poor'

There was a chill in the early hours today with temperature recorded at 11.2 degrees Celsius at 5:30 am, according to the India Meteorological Department (IMD).

Dense fog engulfs Delhi, air quality remains 'very poor' (Photo by Sunil Ghosh / Hindustan Times)
Published on Feb 01, 2025 10:30 AM IST
ANI | , New Delhi

Delhi fog today: Visibility near zero in NCR; airport issues advisory

The DND flyover had near zero visibility as thick blankets of fog engulfed the capital and NCR regions on Saturday morning. 

The minimum temperature for Saturday, February 1, is expected to settle at 10 degree Celsius. (Sanjeev Verma/ Hindustan Times)
Updated on Feb 01, 2025 09:56 AM IST

Delhi faces thick fog as AQI rises to 381; rain predicted on Feb 3

The IMD predicts moderate fog for two days and rain on February 3 in Delhi. Temperatures are expected to range from 8°C to 26°C.

A view seen at Akshardham Temple on cold and foggy morning, in New Delhi, India.(Hindustan Times/Sanjeev Verma)
Published on Jan 30, 2025 09:25 AM IST
ANI |

Delhi to experience foggy conditions till Jan 31, AQI in 'very poor' category

Delhi on Wednesday recorded a minimum temperature of 7.6 degrees Celsius at 5:30 am, according to the India Meteorological Department (IMD).

Delhi on Wednesday recorded a minimum temperature of 7.6 degrees Celsius at 5:30 am(Sunil Ghosh/Hindustan Times)
Published on Jan 29, 2025 10:20 AM IST
ANI |

Delhi air pollution: GRAP-3 revoked in NCR as rain improves AQI to ‘very poor’

The CAQM order said IMD predicted that the AQI is likely to remain in the lower end of the 'very poor' category in the coming days.

Delhi received overnight showers on Wednesday and is likely to witness light rain on Thursday as well. (HT Photo)
Updated on Jan 23, 2025 12:15 PM IST

Delhi fog: 41 trains delayed, AQI spikes to 'very poor' level

The air quality in Delhi, which had improved to ‘poor’ level over the last two days, dropped to ‘very poor’ category on Sunday morning.

Train seen in morning fog and rain ar Dwarka , in New Delhi, India, on Thursday, January 16, 2025. (Vipin Kumar/ Hindustan Times)
Updated on Jan 19, 2025 08:02 AM IST
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