{
  "query": {
    "country": "PL",
    "fuel": "diesel"
  },
  "status": "ok",
  "price": {
    "currency": "EUR",
    "unit": "per litre",
    "value": 1.79469,
    "measure": "average",
    "median": null,
    "typical_low": null,
    "typical_high": null,
    "min": null,
    "max": null
  },
  "sample_size": null,
  "period": {
    "from": "2026-10-12",
    "to": "2026-10-12"
  },
  "confidence": "high",
  "price_type": "official_statistic",
  "statistic": {
    "measure": "average",
    "reference_period": "2026-10-12",
    "note": "Poland is outside the euro: the Commission converts the national price into euro, so the euro price also moves with the exchange rate."
  },
  "as_of": "2026-10-14T21:15:15.642Z",
  "source": {
    "id": "eu-oil-bulletin",
    "name": "Weekly Oil Bulletin: consumer prices of petroleum products inclusive of duties and taxes",
    "publisher": "European Commission, Directorate-General for Energy",
    "licence": "Creative Commons Attribution 4.0 International (CC BY 4.0). The European Commission's legal notice states: \"Unless otherwise indicated (e.g. in individual copyright notices), content owned by the EU on this website is licensed under the Creative Commons Attribution 4.0 International (CC BY 4.0) licence. This means that reuse is allowed, provided appropriate credit is given and changes are indicated.\" The Oil Bulletin workbook itself states: \"Reproduction is authorised provided the source is acknowledged.\" (© European Commission)",
    "licence_url": "https://commission.europa.eu/legal-notice_en",
    "attribution": "Source: European Commission, Directorate-General for Energy, Weekly Oil Bulletin (https://energy.ec.europa.eu/data-and-analysis/weekly-oil-bulletin_en), consumer prices of petroleum products inclusive of duties and taxes. © European Union, reused under CC BY 4.0. Changes made by ProofPrice: prices converted from euro per 1000 litres to euro per litre, the change on the previous week and on a year earlier calculated from the bulletin's own price history, and (for countries with their own currency) the national-currency price calculated from the bulletin's euro price and exchange rate.",
    "url": "https://energy.ec.europa.eu/data-and-analysis/weekly-oil-bulletin_en"
  },
  "method": "The European Commission's Weekly Oil Bulletin publishes every week, for each Member State, the consumer price of Euro-super 95, automotive gas oil (diesel), heating gas oil and LPG motor fuel with all duties and taxes included, as reported by the national authorities (\"the prices most frequently charged, based on a weighted average\"). ProofPrice returns the published national figure for the newest bulletin it holds, converted from euro per 1000 litres to euro per litre, with the change on the previous week and on a year earlier calculated from the bulletin's own price history. No range is calculated and the Commission gives no number of stations.",
  "method_url": "https://proofprice.com/method",
  "summary": "In Poland the average pump price of diesel (automotive gas oil) was €1.7947 per litre (all duties and taxes included; about 7.87 PLN per litre) in the Weekly Oil Bulletin for prices in force on 12 October 2026, 1.7% higher than the previous week (5 October 2026) and 28.8% higher than a year earlier (13 October 2025). Official average published by European Commission, Directorate-General for Energy for 2026-10-12.",
  "notice": "Information, not a valuation or offer. Ranges describe past recorded prices.",
  "extra": {
    "country_name": "Poland",
    "fuel": "diesel",
    "product_in_bulletin": "Gas oil automobile / Automotive gas oil / Dieselkraftstoff (I)",
    "scope": "national average (one figure per Member State; no area, town or postcode figures)",
    "taxes": "all duties and taxes included (VAT and excise)",
    "bulletin_date": "2026-10-12",
    "price_eur_per_1000_litres": 1794.69,
    "price_eur_per_litre": 1.79469,
    "change_on_previous_week": {
      "date": "2026-10-05",
      "price_eur_per_litre": 1.76446,
      "change_percent": 1.7,
      "change_eur_per_litre": 0.0302
    },
    "change_on_year_earlier": {
      "date": "2025-10-13",
      "price_eur_per_litre": 1.3936,
      "change_percent": 28.8,
      "change_eur_per_litre": 0.4011
    },
    "national_currency": {
      "currency": "PLN",
      "price_per_litre": 7.87,
      "exchange_rate_eur_per_unit": 0.228050171,
      "previous_week": {
        "date": "2026-10-05",
        "price_per_litre": 7.727,
        "change_percent": 1.8
      },
      "year_earlier": {
        "date": "2025-10-13",
        "price_per_litre": 5.939,
        "change_percent": 32.5
      },
      "note": "Calculated by ProofPrice as the bulletin's euro price divided by the exchange rate the bulletin states (euro per unit of national currency)."
    },
    "eu27_weighted_average_eur_per_litre": 2.13588,
    "heating_gas_oil_eur_per_litre": 1.69147,
    "published_prices_eur_per_litre": {
      "petrol95": 1.57023,
      "diesel": 1.79469,
      "lpg": 0.77337,
      "heating_gas_oil": 1.69147
    },
    "data_age_days": 3,
    "bulletin_note": "The prices communicated by the Member States are the prices most frequently charged, based on a weighted average. Comparisons between prices and price trends in different countries shall be carefully made.",
    "source_file": "Weekly Oil Bulletin, price developments 2005 onwards (xlsx), sheet \"Prices with taxes\""
  },
  "answer_id": "ans_af103310d5f8801a718b",
  "method_version": "1",
  "retrieved_at": "2026-10-14T21:15:15.642Z",
  "evidence": {
    "type": "official_statistic",
    "label": "Official published average",
    "meaning": "One average or median that a statistics office or regulator publishes for a reference period: it describes a group, not a distribution, and says nothing about any single price."
  }
}