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Air Quality History for Chōfu, Japan

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

83
Current AQI
Moderate
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Trend

392h

PM2.5 Trend

392h · 15 stations

Daily Summary

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-04-17 38 34–40 9.0 µg/m³ 11.2 6h 17
2026-04-16 30 25–41 7.3 µg/m³ 10.3 24h 21
2026-04-15 34 23–46 8.3 µg/m³ 12.6 24h 21
2026-04-14 53 45–62 13.5 µg/m³ 21.3 24h 20
2026-04-13 50 27–57 12.1 µg/m³ 19.8 17h 17
2026-04-12 45 35–53 10.8 µg/m³ 16.4 24h 19
2026-04-11 46 28–60 11.6 µg/m³ 17.2 24h 20
2026-04-10 35 15–56 8.6 µg/m³ 16.7 24h 18
2026-04-09 29 13–40 7.0 µg/m³ 13.4 18h 17
2026-04-08 34 27–41 8.2 µg/m³ 9.9 9h 16
2026-04-07 30 9–63 7.4 µg/m³ 11.2 24h 16
2026-04-06 52 44–61 13.1 µg/m³ 19.9 18h 19
2026-04-04 37 16–57 9.1 µg/m³ 15.2 15h 18
2026-04-03 35 27–48 8.4 µg/m³ 11.7 24h 18
2026-04-02 18 6–29 4.4 µg/m³ 6.2 23h 15
2026-04-01 16 5–32 3.9 µg/m³ 5.9 23h 13
2026-03-31 25 6–36 6.0 µg/m³ 11.4 23h 16
2026-03-30 43 23–113 12.3 µg/m³ 18.7 11h 16
2026-03-29 64 55–97 18.4 µg/m³ 24.3 23h 18
2026-03-28 68 47–119 20.3 µg/m³ 26.2 14h 9
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