What is the air quality trend in Changnyeong?

Over the past 7 days, Changnyeong had an average AQI of 52 based on station measurements. The worst day was 2026-08-03 with AQI 59.

How is Changnyeong air quality measured?

Air quality in Changnyeong 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 Changnyeong, South Korea

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

162h

PM2.5 Station

162h · 56 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-07	47	5–66	11.9 µg/m³	20h	57
2026-08-06	52	32–80	13.5 µg/m³	24h	61
2026-08-05	52	38–69	13.2 µg/m³	24h	64
2026-08-04	53	32–63	13.7 µg/m³	24h	62
2026-08-03	59	40–69	16.0 µg/m³	24h	51
2026-08-02	51	34–59	12.6 µg/m³	24h	43
2026-08-01	54	36–64	13.8 µg/m³	22h	46

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