Home › Japan › Hirai › History

Air Quality History for Hirai, Japan

Historical PM2.5 and AQI trend from monitoring stations near Hirai, Japan.

36
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

337h

PM2.5 Station

337h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 26 3–65 6.8 µg/m³ 8.3 13h 1
2026-06-08 29 2–82 8.3 µg/m³ 9.2 16h 1
2026-06-07 38 4–96 11.1 µg/m³ 13.2 23h 2
2026-06-06 55 2–89 17.1 µg/m³ 20.0 15h 1
2026-06-05 15 4–34 3.6 µg/m³ 4.4 17h 1
2026-06-04 11 4–20 2.8 µg/m³ 3.4 14h 1
2026-06-02 9 3–19 1.9 µg/m³ 2.3 11h 1
2026-06-01 40 4–71 10.7 µg/m³ 11.9 22h 1
2026-05-31 59 14–83 17.0 µg/m³ 18.9 24h 1
2026-05-30 18 5–55 4.3 µg/m³ 4.9 22h 1
2026-05-29 8 1–18 1.9 µg/m³ 2.4 14h 1
2026-05-28 24 2–51 5.6 µg/m³ 7.2 13h 1
2026-05-27 19 4–55 4.7 µg/m³ 5.6 17h 1
2026-05-26 13 1–63 3.4 µg/m³ 4.4 16h 1
2026-05-25 11 3–39 2.7 µg/m³ 3.2 13h 1
2026-05-24 32 6–68 8.3 µg/m³ 9.4 22h 1
2026-05-23 37 10–66 9.6 µg/m³ 11.9 24h 1
2026-05-22 47 2–96 14.5 µg/m³ 17.2 17h 1
2026-05-21 26 5–60 6.2 µg/m³ 6.9 20h 1
2026-05-20 22 4–40 5.4 µg/m³ 5.9 4h 1
Back to Hirai Air Quality