What is the air quality trend in Ganghwa-gun?

Over the past 3 days, Ganghwa-gun had an average AQI of 58 based on station measurements. The worst day was with AQI .

How is Ganghwa-gun air quality measured?

Air quality in Ganghwa-gun 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 Ganghwa-gun, South Korea

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

Historical PM2.5 and AQI trend from monitoring stations near Ganghwa-gun, South Korea.

117

Current AQI
Unhealthy for sensitive groups

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

46h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-04-11	74	63–99	23.1 µg/m³	20h	1
2026-04-10	62	38–70	17.4 µg/m³	24h	1
2026-04-09	38	38–39	9.2 µg/m³	2h	1

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