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Air Quality History for Ulsan, South Korea

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

76
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

479h

PM2.5 Station

479h · 40 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-05-30 64 48–74 18.5 µg/m³ 11h 37
2026-05-29 63 55–78 17.6 µg/m³ 24h 33
2026-05-28 54 32–86 14.9 µg/m³ 24h 32
2026-05-27 36 27–50 8.7 µg/m³ 24h 35
2026-05-26 48 18–59 11.8 µg/m³ 24h 36
2026-05-25 54 26–68 13.9 µg/m³ 24h 43
2026-05-24 58 27–74 15.7 µg/m³ 24h 39
2026-05-23 55 45–59 14.0 µg/m³ 24h 36
2026-05-22 49 35–57 12.1 µg/m³ 24h 40
2026-05-21 38 23–48 9.2 µg/m³ 24h 38
2026-05-20 41 30–57 9.8 µg/m³ 24h 39
2026-05-19 66 43–77 19.2 µg/m³ 24h 37
2026-05-18 68 60–76 19.9 µg/m³ 24h 37
2026-05-17 62 25–78 17.7 µg/m³ 24h 41
2026-05-16 61 30–83 16.9 µg/m³ 24h 43
2026-05-15 59 46–65 15.8 µg/m³ 24h 45
2026-05-14 58 30–68 15.9 µg/m³ 24h 43
2026-05-13 55 40–64 14.2 µg/m³ 24h 45
2026-05-12 47 29–65 11.6 µg/m³ 24h 45
2026-05-11 45 32–54 10.8 µg/m³ 24h 45
2026-05-10 38 18–48 9.1 µg/m³ 12h 47
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