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Air Quality History for Ryūgasaki, Japan

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

31
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 75 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 31 29–33 7.4 µg/m³ 10.5 7h 78
2026-10-20 45 28–85 11.3 µg/m³ 21.7 24h 71
2026-10-19 46 33–68 11.4 µg/m³ 13.0 24h 70
2026-10-18 35 26–49 8.5 µg/m³ 8.4 24h 76
2026-10-17 45 37–56 10.8 µg/m³ 10.5 24h 71
2026-10-16 58 42–95 15.8 µg/m³ 15.3 24h 61
2026-10-15 47 33–67 11.8 µg/m³ 11.2 24h 65
2026-10-14 66 24–136 19.7 µg/m³ 12.3 24h 57
2026-10-13 57 41–94 15.2 µg/m³ 17.8 24h 61
2026-10-12 49 38–76 12.6 µg/m³ 15.7 24h 64
2026-10-11 56 38–86 14.9 µg/m³ 13.0 24h 54
2026-10-10 44 30–65 11.0 µg/m³ 12.7 24h 67
2026-10-09 47 28–82 12.2 µg/m³ 14.3 24h 66
2026-10-08 35 26–53 8.4 µg/m³ 11.5 24h 81
2026-10-07 39 32–52 9.3 µg/m³ 7.5 24h 80
2026-10-06 39 28–61 9.4 µg/m³ 6.1 24h 81
2026-10-05 39 30–50 9.4 µg/m³ 7.5 24h 81
2026-10-04 36 31–43 8.7 µg/m³ 8.7 24h 80
2026-10-03 36 31–42 8.7 µg/m³ 8.6 24h 80
2026-10-02 34 27–40 8.1 µg/m³ 7.9 24h 81
2026-10-01 40 33–62 9.8 µg/m³ 15.4 14h 85
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