Polusi Udara
Delhi rolls out GRAP IV vehicle curbs as AQI hits 358 amid fog chaos
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Following Tuesday's announcement, Delhi enforced the entry ban on non-BS-VI private vehicles from outside the city and 'No PUC, No Fuel' rule on December 18, 2025. AQI soared to 356-358 in 'very poor' category amid dense fog slashing visibility to 100m, disrupting flights and trains, though winds may aid dispersion later.
Hampir satu dari 10 rumah yang diuji di Inggris, Italia, dan Belanda menunjukkan kadar benzena akibat kebocoran kompor gas yang melampaui batas aman, menurut para peneliti. Zat kimia pemicu kanker dalam gas alam ini menimbulkan risiko yang mirip dengan asap rokok pasif di dalam ruangan. Temuan ini menyoroti potensi polusi udara dalam ruangan akibat kebocoran kecil yang terus-menerus.
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Hujan hitam turun di ibu kota Iran, Teheran, menyusul serangan AS-Israel terhadap fasilitas minyak pada 7 dan 8 Maret. Serangan tersebut memicu kebakaran yang menghasilkan asap pekat, menimbulkan kekhawatiran kesehatan di kalangan penduduk. Para ilmuwan memperingatkan potensi risiko lingkungan dan kesehatan dari curah hujan yang tercemar.
Following the December 18 launch of 'No PUC, No Fuel' and entry bans for non-BS-VI vehicles, Delhi Traffic Police inspected 2,768 vehicles at borders, turning back 460 non-compliant ones and issuing 289 challans amid air pollution fight. Limited checks at Badarpur allowed some entries unchecked.
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The Delhi government has barred vehicles without a valid pollution under control (PUC) certificate from buying petrol and diesel at fuel stations starting December 18 to curb air pollution. Environment Minister Manjinder Singh Sirsa announced this on Tuesday, as the city's air quality index stood at 329 in the 'very poor' category on Wednesday morning. The measure aims to control vehicular emissions, including restrictions on non-BS-VI compliant vehicles from outside Delhi.
Serangan di Laut Merah memaksa kapal-kapal mengambil jalur memutar di sekitar Tanjung Harapan, menciptakan eksperimen alami yang mengungkap bagaimana bahan bakar laut yang lebih bersih mengurangi pembentukan awan. Peneliti menemukan bahwa bahan bakar rendah sulfur mengurangi efek peningkat awan dari emisi kapal sekitar dua pertiga. Penemuan ini membantu menyempurnakan model iklim dan menyoroti trade-off dalam regulasi polusi.
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Delhi and the NCR region marked the 13th consecutive day of hazardous air on November 26, 2025, with the city's AQI recorded between 337 and 373, categorized as very poor to severe. Particulate matter levels dipped slightly but stayed well above WHO limits, amid forecasts of no rain to clear the smog. NCR cities like Noida and Gurugram also reported high pollution indices.
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