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Air Quality History for Sejong, South Korea

Historical PM2.5 and AQI trend from monitoring stations near Sejong, South Korea.

45
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

460h

PM2.5 Station

460h · 16 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 44 36–52 10.7 µg/m³ 2h 25
2026-07-21 48 33–72 12.3 µg/m³ 24h 59
2026-07-20 41 26–54 9.8 µg/m³ 24h 51
2026-07-19 48 28–57 11.6 µg/m³ 24h 47
2026-07-18 44 21–66 11.0 µg/m³ 24h 49
2026-07-17 56 35–68 15.0 µg/m³ 24h 34
2026-07-16 58 20–77 16.0 µg/m³ 24h 34
2026-07-15 49 28–63 12.3 µg/m³ 24h 29
2026-07-14 38 21–58 9.2 µg/m³ 24h 31
2026-07-13 37 27–52 8.8 µg/m³ 24h 28
2026-07-12 44 28–56 10.6 µg/m³ 24h 30
2026-07-11 48 22–151 12.5 µg/m³ 24h 30
2026-07-10 43 31–56 10.4 µg/m³ 24h 30
2026-07-09 38 28–53 9.2 µg/m³ 24h 33
2026-07-08 34 21–56 8.1 µg/m³ 24h 43
2026-07-07 40 21–52 9.7 µg/m³ 24h 51
2026-07-06 38 8–53 9.2 µg/m³ 16h 29
2026-07-05 36 24–53 8.7 µg/m³ 24h 52
2026-07-04 45 22–58 11.0 µg/m³ 24h 49
2026-07-03 51 34–61 12.7 µg/m³ 24h 48
2026-07-02 47 31–56 11.4 µg/m³ 10h 36
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