Air purifier
Average retail price
- Cheapest surveyed city
- ¥33,760 Saitama
- Priciest surveyed city
- ¥62,480 Yamagata
Retail price survey conducted by the Statistics Bureau of Japan. This is a survey average, not a shop price — actual prices vary by store. 総務省統計局 小売物価統計調査 · Surveyed items and specifications
Key facts
Air purifier costs ¥48,283 per unit in Japan as of August 2026 — the unweighted average of 47 surveyed cities, up 4.2% from a year earlier. Measured as an index, the official CPI for air purifier reads 140.4 (2020 = 100) in August 2026, up 4.7% year on year and up 45.3% over five years.
Air purifier sits in the furniture & household group of Japan's CPI basket, with 140 monthly observations from January 2015 to August 2026. The series peaked at 144.4 in May 2026 and bottomed at 81.2 in September 2019; the latest reading is -2.8% against that peak. Against ten years ago it is +60.1%.
Annual average index by year
| Year | Index | YoY % | Months |
|---|---|---|---|
| 2015 | 95.0 | — | 12 |
| 2016 | 98.8 | +4.0% | 12 |
| 2017 | 100.2 | +1.4% | 12 |
| 2018 | 93.6 | -6.6% | 12 |
| 2019 | 95.0 | +1.5% | 12 |
| 2020 | 100.0 | +5.3% | 12 |
| 2021 | 105.3 | +5.3% | 12 |
| 2022 | 107.4 | +2.0% | 12 |
| 2023 | 134.4 | +25.1% | 12 |
| 2024 | 130.1 | -3.2% | 12 |
| 2025 | 135.6 | +4.2% | 12 |
| 2026 | 141.9 | +4.6% | 8 |
Average of the monthly index values in each year (2020 = 100). Blank months are excluded.
Average retail price by month
| 2026-08 | ¥48,283 |
|---|---|
| 2026-07 | ¥48,507 |
| 2026-06 | ¥49,134 |
| 2026-05 | ¥48,948 |
| 2026-04 | ¥48,408 |
| 2026-03 | ¥47,984 |
| 2026-02 | ¥48,214 |
| 2026-01 | ¥48,259 |
| 2025-12 | ¥47,093 |
| 2025-11 | ¥46,641 |
| 2025-10 | ¥46,726 |
| 2025-09 | ¥46,180 |
| 2025-08 | ¥46,337 |
Frequently asked questions
- How much does air purifier cost in Japan?
- ¥48,283 per unit, as of August 2026 — the unweighted average of 47 surveyed cities in the government's retail price survey.
- Which Japanese city has the cheapest air purifier?
- Among the surveyed cities in August 2026, Saitama was cheapest at ¥33,760 and Yamagata the most expensive at ¥62,480.
- How much have air purifier prices changed in Japan over the past year?
- As of August 2026, +4.7% year on year, measured by Japan's official consumer price index (2020 = 100).
- How much have air purifier prices changed in Japan over the past five years?
- +45.3% compared with the same month five years earlier. The index now reads 140.4.
- When were air purifier prices in Japan at their highest?
- The series peaked at 144.4 in May 2026. The latest reading is -2.8% against that peak.
- What is the difference between the index and the yen price?
- This page carries two kinds of number. The index (2020 = 100) measures percentage change over time and is not a yen amount; the yen figure is an actual average retail price from the government's retail price survey. Source: 総務省統計局 消費者物価指数 (e-Stat table 0003427113, nationwide, monthly).