Air Quality History for Chiyoda, Japan
Historical PM2.5 and AQI trend from monitoring stations near Chiyoda, Japan.
62
Current AQI
Moderate Station
Moderate Station
Air Quality Index Station
160hPM2.5 Station
160h · 1 stationTemperature GFS model
56ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-07-21 | 69 | 10–87 | 22.3 µg/m³ | 28.9 | 5h | 1 |
| 2026-07-20 | 71 | 71–71 | 21.6 µg/m³ | 23.9 | 1h | 1 |
| 2026-07-17 | 85 | 59–97 | 28.2 µg/m³ | 30.3 | 7h | 1 |
| 2026-07-16 | 104 | 53–136 | 36.4 µg/m³ | 44.1 | 17h | 1 |
| 2026-07-15 | 63 | 27–98 | 19.7 µg/m³ | 31.1 | 5h | 1 |
| 2026-07-14 | 72 | 36–91 | 22.6 µg/m³ | 24.1 | 12h | 1 |
| 2026-07-13 | 94 | 69–143 | 32.1 µg/m³ | 37.2 | 24h | 1 |
| 2026-07-12 | 70 | 20–91 | 21.7 µg/m³ | 23.4 | 24h | 1 |
| 2026-07-11 | 26 | 2–65 | 6.8 µg/m³ | 7.6 | 22h | 1 |
| 2026-07-10 | 16 | 3–53 | 3.9 µg/m³ | 4.6 | 14h | 1 |
| 2026-07-09 | 21 | 2–33 | 5.0 µg/m³ | 5.7 | 13h | 1 |
| 2026-07-08 | 13 | 1–64 | 3.4 µg/m³ | 4.2 | 16h | 1 |