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    Pollution News

    Green firecrackers: How they differ from conventional ones and their impact on Delhi air pollution

    Green crackers are intended to reduce the quantity of pollutants released during combustion.
    Ht Explainers
    Published 3 days ago

    Gurugram records the worst average September AQI since 2023

    According to an analysis of official data, the average AQI through September in Gurugram was 114.8 this year
    Cities
    Updated 8 days ago

    Indian woman compares India with Bhutan, highlights clean air, safer streets and no road rage

    The woman shared a video comparing the two countries during her visit to Bhutan.
    Trending
    Updated 12 days ago

    In 2024, 42 sponges were left in a Spanish marina; 455 days later, only one species survived

    In a Spanish marina study, the chicken kidney sponge outperformed others, surviving 455 days in pollution-heavy waters.
    Science
    Updated 12 days ago

    CAQM reviews enforcement against polluters in NCR

    Environmental compensation was proposed in 10 cases. (HT Archive)
    Cities
    Published 13 days ago

    Setting fire to the cracker ban

    At the heart of the problem is a simple fact: firecrackers, green or not, pollute. Green formulations are said to cut emissions by 30-40% per cracker. But the rest still goes into the air. (HT Archive)
    Editorials
    Published 15 days ago

    Powai Lake to stop receiving direct sewage as BMC diverts all 20 sewage streams

    BMC assessments put the untreated sewage entering the lake at around 18 MLD.
    Cities
    Updated 15 days ago

    Delhi sees lowest September AQI in 5 years at 102, max ‘moderate’ air quality days

    The ministry also said that the January-September period of 2026 witnessed the highest number of days with a daily average AQI below 200, which falls under the ‘Moderate’ category, in the last five years.
    India News
    Published 16 days ago

    SC rules out blanket cracker ban ahead of Diwali: 'It will hurt sentiments'

    The court said firecrackers cannot be used without restrictions.
    India News
    Updated 15 days ago

    Delhi Cabinet approves real-time pollution source tracking, EV road sweepers

    The move comes against the backdrop of how Delhi has long struggled to accurately pinpoint what is polluting its air and where it’s coming from. (Hindustan Times)
    Cities
    Updated 16 days ago

    Explained: What the PUC test measures and the pollutants it cannot trace

    The 'no PUC, no fuel' rule was applied last year too
    Ht Explainers
    Updated 17 days ago

    'No PUC, no fuel' rule, 150 more e-buses: Delhi govt's winter pollution plan

    The air quality during winter months worsens in Delhi.
    India News
    Updated 18 days ago

    Vehicles move through smog as AQI begins to shoot up in Ghaziabad

    Ghaziabad: Vehicles ply with their headlights amid dense smog on the Delhi-Meerut Expressway and National Highway-9 near Dasna
    India News
    Published 23 days ago

    MCD’s winter roadwork target still 50% incomplete: Report

    MCD officials cited disruptions in bitumen supplies linked to the roadwork.
    Cities
    Updated 23 days ago

    HSPCB flags 400+ C&D sites in southern Gurugram over dust violations

    HSPCB flags 400+ C&D sites in southern Gurugram over dust violations
    Cities
    Published 26 days ago

    From concern to action: Gurugram resident’s green mission

    Ajay Singh (PARVEEN KUMAR/HINDUSTAN TIMES)
    Cities
    Published 28 days ago

    NGT seeks replies over alleged fly ash dumping in Betwa near Parichha Thermal Power Plant

    Fly ash deposits allegedly forming islands in the Betwa river near the Parichha Thermal Power Plant in Jhansi. (Sourced)
    Cities
    Published 29 days ago

    Delhi NCR pollution: Regional collaboration as key to long-term solutions

    Delhi air pollution
    Ht Insight
    Published 29 days ago

    Air pollution linked to higher risk of suicidal thoughts? What study reveals

    A team analysed results from 29 studies that looked at the effects of air pollution exposure on suicide and suicidal thoughts.
    India News
    Published 30 days ago

    India's cleanest Indore loses top spot to this UP city in clean air survey

    Indore had topped the survey in last year, having scored a perfect 200.
    India News
    Updated 37 days ago

    Before Bittu Tabahi: From Dashrath Manjhi to Bilal Ahmad Dar, the power of one

    Bittu Tabahi’s viral river clean-up brought back stories of Indians who had created change through individual efforts.
    Trending
    Published 40 days ago

    Delhi deploys 334 teams for round-the-clock pollution checks ahead of winter

    Teams will also monitor compliance with the Commission for Air Quality Management’s direction on diesel generator sets and ensure that construction and demolition activities are brought under the Dust Portal. (HT Archive)
    Cities
    Published 42 days ago

    Lego Skylines, John Ternus, and assessing Qubo R700 before the pollution spike

    Lego Skylines game
    Business
    Published 43 days ago

    Himachal: No new ethanol plants to come up, minister tells assembly

    Himachal industries minister Harshwardhan Chauhan
    Cities
    Published 49 days ago

    Austrian man who visited India for 22 years lists what got worse

    Austrian man shares his views on changing India.
    Trending
    Published 51 days ago

    Can AI clean India’s air? Only with the basics right

    Air quality is a national problem. AI models and applications to better manage it should be considered a priority.
    Opinion
    Published 52 days ago

    SC bans construction activity within 100 metres from edge of Rajasthan's Jojari river

    SC bans construction activity within 100 metres from edge of Rajasthan's Jojari river
    India News
    Published 53 days ago

    Ropar police file FIR over ‘waste discharge’ from Baddi into Sutlej

    Industrial waste and refuse accumulated at Ropar Headworks. (HT)
    Cities
    Published 53 days ago

    7,000 tonnes garbage: Haridwar readies for mega clean-up after Kanwariyas depart

    Heaps of garbage comprising plastic, clothes, ‘Kanwars,’ and non-degradable polythene waste remain strewn across the city, municipal officials said on Wednesday.
    India News
    Updated 65 days ago

    Despite monsoon flow, Yamuna pollution markers remain high

    At Okhla barrage and ISBT bridge, the faecal coliform level has remained constant at 110,000 and 170,000 lakh units, respectively, in June and July. (Sunil Ghosh/HT Photo)
    Cities
    Published 70 days ago
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