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Air Quality History for Chiayi City, Taiwan

Historical PM2.5 and AQI trend from monitoring stations near Chiayi City, Taiwan.

81
Current AQI
Moderate Station

Air Quality Index Station

329h

PM2.5 Station

329h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 72 72–72 22.3 µg/m³ 1h 4
2026-10-20 93 51–338 42.0 µg/m³ 24h 7
2026-10-19 64 48–127 18.5 µg/m³ 24h 6
2026-10-18 91 52–225 34.6 µg/m³ 24h 9
2026-10-17 77 51–155 24.4 µg/m³ 24h 6
2026-10-16 76 26–160 24.4 µg/m³ 24h 4
2026-10-15 94 57–164 32.6 µg/m³ 23h 5
2026-10-14 72 42–116 22.1 µg/m³ 23h 4
2026-10-13 85 45–144 28.0 µg/m³ 24h 6
2026-10-12 73 37–109 22.5 µg/m³ 24h 5
2026-10-11 68 21–129 20.5 µg/m³ 22h 5
2026-10-10 74 41–155 22.9 µg/m³ 24h 6
2026-10-09 77 32–221 28.5 µg/m³ 24h 6
2026-10-08 48 21–84 13.0 µg/m³ 24h 10
2026-10-07 46 22–158 13.7 µg/m³ 20h 12
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