What is the air quality trend in Jangseong?

Over the past 8 days, Jangseong had an average AQI of 50 based on station measurements. The worst day was 2026-08-03 with AQI 58.

How is Jangseong air quality measured?

Air quality in Jangseong is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Jangseong, South Korea

Name: Jangseong Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

161h

PM2.5 Station

161h · 35 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	34	31–36	8.1 µg/m³	2h	30
2026-08-07	50	33–63	12.5 µg/m³	20h	32
2026-08-06	47	10–66	11.9 µg/m³	24h	32
2026-08-05	55	40–69	14.4 µg/m³	24h	31
2026-08-04	53	35–67	13.9 µg/m³	24h	31
2026-08-03	58	37–81	15.8 µg/m³	24h	31
2026-08-02	51	30–59	12.9 µg/m³	24h	23
2026-08-01	53	26–63	13.5 µg/m³	19h	25

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