What is the air quality trend in Sangju?

Over the past 15 days, Sangju had an average AQI of 53 based on station measurements. The worst day was 2026-05-18 with AQI 67.

How is Sangju air quality measured?

Air quality in Sangju 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 Sangju, South Korea

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 20 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	66	54–77	19.2 µg/m³	11h	17
2026-05-29	64	54–84	18.3 µg/m³	24h	17
2026-05-28	52	22–89	14.8 µg/m³	24h	17
2026-05-27	35	26–46	8.3 µg/m³	24h	15
2026-05-26	47	18–64	12.0 µg/m³	24h	15
2026-05-25	57	40–69	15.2 µg/m³	24h	18
2026-05-24	61	25–81	17.0 µg/m³	24h	19
2026-05-23	54	42–64	13.9 µg/m³	24h	17
2026-05-22	49	31–59	12.2 µg/m³	24h	15
2026-05-21	38	26–49	9.0 µg/m³	24h	17
2026-05-20	40	30–57	9.7 µg/m³	24h	16
2026-05-19	62	23–83	17.8 µg/m³	24h	16
2026-05-18	67	52–84	19.6 µg/m³	24h	18
2026-05-17	57	9–72	16.2 µg/m³	24h	14
2026-05-16	52	38–75	13.7 µg/m³	9h	19

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