{"updated": "2026-09-19", "note": "消費者庁 生活関連物資の価格動向（POS）。指数は令和7年の各月平均=100。円ではない。yen100 は12か月前との比を100円に当てはめた言い換え", "source": "https://www.caa.go.jp/policies/policy/consumer_partnerships/price_measures/trends/trends_survey_001", "license": "CC BY 4.0", "name": "マスク", "series": [["2024-01", 106.93], ["2024-02", 102.94], ["2024-03", 97.23], ["2024-04", 100.51], ["2024-05", 102.26], ["2024-06", 101.67], ["2024-07", 102.03], ["2024-08", 101.58], ["2024-09", 100.71], ["2024-10", 99.0], ["2024-11", 99.69], ["2024-12", 101.26], ["2025-01", 101.17], ["2025-02", 99.87], ["2025-03", 97.36], ["2025-04", 99.14], ["2025-05", 100.5], ["2025-06", 100.81], ["2025-07", 100.58], ["2025-08", 100.73], ["2025-09", 98.03], ["2025-10", 99.08], ["2025-11", 100.5], ["2025-12", 102.23], ["2026-01", 101.81], ["2026-02", 103.98], ["2026-03", 110.26], ["2026-04", 113.62], ["2026-05", 112.46], ["2026-06", 112.01], ["2026-07", 113.06]], "latest": 113.06, "diff_prev": 1.05, "diff_year": 12.48, "pct_year": 12.4, "yen100": 112}