Home › South Korea › Ulsan › History

Air Quality History for Ulsan, South Korea

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

38
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 35 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-09-05 35 31–40 8.5 µg/m³ 17h 56
2026-09-04 34 28–41 8.2 µg/m³ 24h 54
2026-09-03 41 31–53 9.8 µg/m³ 24h 52
2026-09-02 42 25–50 10.1 µg/m³ 24h 50
2026-09-01 29 22–36 7.0 µg/m³ 24h 50
2026-08-31 27 20–42 6.5 µg/m³ 24h 52
2026-08-30 30 16–40 7.3 µg/m³ 24h 52
2026-08-29 30 20–43 7.1 µg/m³ 24h 50
2026-08-28 34 20–59 8.2 µg/m³ 24h 54
2026-08-27 51 37–58 12.7 µg/m³ 24h 56
2026-08-26 53 44–59 13.4 µg/m³ 24h 60
2026-08-25 47 25–57 11.3 µg/m³ 24h 52
2026-08-24 57 38–71 15.4 µg/m³ 24h 54
2026-08-23 48 20–59 11.8 µg/m³ 24h 54
2026-08-22 38 22–56 9.3 µg/m³ 24h 56
2026-08-21 48 38–66 12.1 µg/m³ 24h 56
2026-08-20 59 49–71 16.0 µg/m³ 24h 57
2026-08-19 51 42–57 12.6 µg/m³ 24h 59
2026-08-18 43 33–52 10.4 µg/m³ 24h 49
2026-08-17 30 15–40 7.3 µg/m³ 24h 49
2026-08-16 24 22–27 5.7 µg/m³ 4h 44
Back to Ulsan Air Quality