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    Air Quality News

    Pulmonologist shares 6 ways to protect your lungs during high AQI and warning signs to watch for

    Coughing is one of the signs of respiratory problems.
    Lifestyle
    Published 2 hours ago

    Of 19 cities with ‘very poor’ AQI on Diwali eve, 10 from Haryana

    Ballabgarh recorded an AQI of 409, entering the severe category, while Delhi's reading stood at 369 on Diwali eve.
    Cities
    Updated 4 hours ago

    Fireworks yet to peak, Lucknow’s air already ‘poor’; experts warn of further deterioration

    Experts expect the AQI to cross the 300 mark and enter the “very poor” category on Diwali night, making the city’s air quality worse. (For representation)
    Cities
    Updated 3 hours ago

    Annual data I Chandigarh gets a breath of fresh air as PM10 drops 26%

    The level is also 21% lower than the 114 µg/m³ recorded in the base year 2017-18, indicating a steady improvement in the city’s air quality. (HT File)
    Cities
    Published 1 day ago

    Supreme Court says vehicular emission major contributor to Delhi-NCR air pollution

    The SC said that restrictions alone would not address the problem and could instead encourage more violations..
    India News
    Updated 1 day ago

    Air quality scales ‘severe’ on all monitors Delhi had last Diwali

    The official index averages the past 24 hours, so it smooths out swings and is slow to show a rise this fast.
    Cities
    Updated 2 days ago

    Delhi AQI stays ‘very poor’ for 4th day, likely to deteriorate into ‘severe’

    Stubble burning contributed 15.6% to Delhi’s PM2.5 levels on Thursday, with the share forecast to rise to 19.2% on Friday, according to the DSS.
    Cities
    Updated 2 days ago

    BMC clears ₹11.28-crore audit of construction site air monitors

    The Bombay High Court had directed the installation of sensor-based air quality monitors at all construction sites in Mumbai in January 2025.
    Cities
    Updated 3 days ago

    Delhi's air continues to worsen as AQI nears 400-mark

    Delhi recorded a maximum temperature of 29.8 degree Celsius with no rainfall.
    Cities
    Updated 3 days ago

    A researcher lived with 144 pea plants in a sealed habitat to test space life support

    In a 2025 Biosphere 2 experiment, researcher Mattias Beach spent a week living with 144 dwarf pea plants, then a week without them. Sensors tracked carbon dioxide levels to assess how effectively the plants could absorb human emissions and produce oxygen in a closed habitat.
    World News
    Updated 1 day ago

    Delhi records first 'very poor' air quality of season, three stations report 'severe' category

    Delhi records first 'very poor' air quality of season, three stations report 'severe' category
    Cities
    Published 5 days ago

    Delhi air quality takes a nosedive ahead of Diwali, anti-pollution curbs kick in

    A layer of smog engulfs the city during a cold morning, reducing visibility amid rising air pollution levels at Wazirabad in New Delhi.
    Cities
    Updated 6 days ago

    Traffic snarls, 'frustrated' public: Anti-pollution restrictions kick in as Delhi's AQI turns 'poor'

    Traffic snarls, 'frustrated' public: Anti-pollution restrictions kick in as Delhi's AQI turns 'poor'
    Cities
    Published 6 days ago

    High AQI alert: From acne to hair fall, how air pollution affects your skin and scalp

    High pollution levels can clog pores, trigger breakouts and weaken the skin barrier.
    Lifestyle
    Published 8 days ago

    Construction activities halted in Delhi-NCR from Nov 5 to 20 to curb air pollution

    A view of the ongoing construction work on the Mehrauli Badarpur Road in Delhi (Photo for representation)
    India News
    Updated 8 days ago

    Rain no respite, pollutants return to Delhi's air in 5 days: Study

    Rain no respite, pollutants return to Delhi's air in 5 days: Study
    Cities
    Published 8 days ago

    Doctor explains respiratory risks of festive smoke and winter pollution on vulnerable groups

    The festive smoke and cold temperature can stress out the lungs, cautions Dr Sircar.
    Lifestyle
    Updated 9 days ago

    Delhi vehicle curbs kick in from November 1: Non-BS-VI, diesel buses, outstation trucks barred

    Delhi Traffic Police said the rules would apply to specific categories of vehicles as part of efforts to control pollution and improve air quality in the capital.
    India News
    Published 9 days ago

    Gzb: All 10 air-quality monitoring stations to be operational in Nov

    As of Thursday, Ghaziabad has a total of eight stations in operation as per the Central Pollution Control Board’s Sameer app. (Sakib Ali/HT Photo)
    Cities
    Published 9 days ago

    BMC identifies 10 arterial roads for pre-Diwali cleanliness drive

    The civic body will deploy departmental and contractual manpower, along with machinery such as mechanical power sweepers, litter pickers, JCBs, dumpers, misting machines and water sprinklers to aid implementation, officials said (Hindustan Times)
    Cities
    Published 10 days ago

    Maharashtra minister proposes one-day weekly pause for construction in Mumbai to curb air pollution

    The green nets placed over the soil mounds at Haji Ali area mandated dust-mitigation and air pollution control measure and infrastructure excavation sites across Mumbai area,
    Cities
    Updated 12 days ago

    Lucknow records only one ‘good’ air day in October as PM2.5 hits 144

    The readings indicate that pollution levels are beginning to rise unevenly across Lucknow.
    Cities
    Published 14 days ago

    New GRAP actions failed to curb Delhi-NCR pollution in 10 of 12 episodes: Study

    An aerial view of New Delhi Railway Station shrouded in haze amid rising pollution levels in New Delhi on Thursday. (RAJ K RAJ /HT PHOTO)
    Cities
    Updated 16 days ago

    ‘This is shocking’: Bombay HC says Mumbai pollution surpassing Delhi, pulls up authorities

    A view of towers remain surrounded by haze as air quality continues to be a concern, in Mumbai on Wednesday.
    India News
    Published 17 days ago

    How pollution in Delhi surged on Dussehra night

    Sprinkler sprays water to settle dust on Vikas Marg near ITO as pollution levels rise in the Delhi-NCR region on Wednesday. (HT photo)
    India News
    Updated 17 days ago

    No tandoor at eateries, open burning of waste: List of curbs under Grap-1 in Delhi

    A layer of smog engulfs the India Gate on a cold morning, in New Delhi, Wednesday, Oct. 21, 2026.
    India News
    Published 17 days ago

    Mumbai air pollution: BMC cracks down on construction sites, issues stop-work notice

    Mumbai’s deteriorating air quality index (AQI) has prompted the Brihanmumbai Municipal Corporation (BMC) to take action against construction sites violating air pollution guidelines. (Picture for representational purposes only)
    Real Estate
    Published 17 days ago

    India must look beyond AQI

    New Delhi, India - Sept. 22, 2026: Low AQI (Photo by Sanchit Khanna/ Hindustan Times)
    Ht Insight
    Published 18 days ago

    Mumbai air pollution: What are BMC’s construction ban rules, and when can work be suspended?

    Mumbai AQI: Construction and redevelopment activities have come under increased scrutiny as the city’s air quality deteriorates, with several locations recording hazardous pollution levels in recent days. (Picture for representational purposes only)
    Real Estate
    Updated 18 days ago

    6 indoor air irritants that may trigger coughing, wheezing and breathing discomfort

    5 indoor pollutants that could be irritating your lungs.
    Lifestyle
    Updated 22 days ago
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