What is the air quality trend in Incheon?

Over the past 2 days, Incheon had an average AQI of 48 based on station measurements. The worst day was with AQI .

How is Incheon air quality measured?

Air quality in Incheon 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 Incheon, South Korea

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

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

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

36h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-04-10	61	38–70	17.1 µg/m³	20h	1
2026-04-09	36	32–42	8.8 µg/m³	16h	1

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