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Air Quality History for Ulsan, South Korea

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

84
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 55 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-30 65 54–76 18.6 µg/m³ 10h 40
2026-05-29 62 48–76 17.3 µg/m³ 24h 38
2026-05-28 57 32–98 15.8 µg/m³ 24h 36
2026-05-27 35 27–44 8.4 µg/m³ 24h 40
2026-05-26 47 19–60 11.8 µg/m³ 24h 39
2026-05-25 55 20–69 14.4 µg/m³ 24h 46
2026-05-24 59 22–71 16.2 µg/m³ 24h 41
2026-05-23 55 42–63 14.0 µg/m³ 24h 42
2026-05-22 49 35–56 12.0 µg/m³ 24h 46
2026-05-21 39 28–51 9.3 µg/m³ 24h 44
2026-05-20 40 31–55 9.8 µg/m³ 24h 43
2026-05-19 66 44–77 19.2 µg/m³ 24h 45
2026-05-18 67 57–78 19.8 µg/m³ 24h 44
2026-05-17 62 27–77 17.7 µg/m³ 24h 47
2026-05-16 59 30–82 16.6 µg/m³ 12h 46
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