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Air Quality History for Ulsan, South Korea

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

51
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 56 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-06-09 47 36–57 11.5 µg/m³ 21h 40
2026-06-08 52 30–60 13.2 µg/m³ 24h 36
2026-06-07 46 28–55 11.1 µg/m³ 24h 40
2026-06-06 49 40–56 12.0 µg/m³ 24h 39
2026-06-05 46 34–55 11.0 µg/m³ 24h 40
2026-06-04 54 34–72 13.8 µg/m³ 24h 42
2026-06-03 60 31–72 16.4 µg/m³ 24h 41
2026-06-02 60 44–71 16.7 µg/m³ 24h 39
2026-06-01 62 43–75 17.7 µg/m³ 24h 27
2026-05-31 62 42–70 17.3 µg/m³ 24h 29
2026-05-30 59 32–72 16.2 µg/m³ 24h 27
2026-05-29 55 25–91 15.0 µg/m³ 24h 31
2026-05-28 51 15–80 13.5 µg/m³ 24h 29
2026-05-27 34 20–52 8.1 µg/m³ 24h 27
2026-05-26 32 21–42 7.5 µg/m³ 2h 32
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