What is the air quality trend in Gwangju?

Over the past 15 days, Gwangju had an average AQI of 45 based on station measurements. The worst day was 2026-07-17 with AQI 57.

How is Gwangju air quality measured?

Air quality in Gwangju 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 Gwangju, South Korea

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	54	45–63	14.3 µg/m³	2h	11
2026-07-21	46	23–68	11.4 µg/m³	24h	29
2026-07-20	39	23–51	9.4 µg/m³	24h	27
2026-07-19	46	22–60	11.3 µg/m³	24h	24
2026-07-18	46	30–61	11.4 µg/m³	24h	24
2026-07-17	57	35–71	15.3 µg/m³	24h	19
2026-07-16	56	27–67	14.9 µg/m³	24h	22
2026-07-15	51	29–71	13.1 µg/m³	24h	15
2026-07-14	40	22–53	9.5 µg/m³	24h	17
2026-07-13	39	20–54	9.5 µg/m³	24h	18
2026-07-12	45	16–62	11.0 µg/m³	24h	18
2026-07-11	42	22–58	10.3 µg/m³	24h	18
2026-07-10	43	19–56	10.5 µg/m³	24h	16
2026-07-09	37	26–63	9.0 µg/m³	24h	18
2026-07-08	34	5–76	8.3 µg/m³	22h	22

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