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Air Quality History for Ulsan, South Korea

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

56
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 47 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-22 52 40–60 13.3 µg/m³ 3h 41
2026-07-21 49 27–83 12.6 µg/m³ 24h 51
2026-07-20 42 23–58 10.2 µg/m³ 24h 50
2026-07-19 47 29–55 11.6 µg/m³ 24h 44
2026-07-18 47 32–61 11.6 µg/m³ 24h 44
2026-07-17 58 32–70 15.9 µg/m³ 24h 39
2026-07-16 59 37–71 16.0 µg/m³ 24h 39
2026-07-15 52 40–63 13.1 µg/m³ 24h 29
2026-07-14 37 21–53 8.8 µg/m³ 24h 38
2026-07-13 36 25–52 8.7 µg/m³ 24h 29
2026-07-12 43 21–54 10.3 µg/m³ 24h 34
2026-07-11 42 24–54 10.0 µg/m³ 24h 34
2026-07-10 42 27–52 10.2 µg/m³ 24h 38
2026-07-09 37 26–53 9.0 µg/m³ 24h 37
2026-07-08 34 29–42 8.1 µg/m³ 20h 44
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