What is the air quality trend in Chungju?

Over the past 3 days, Chungju had an average AQI of 65 based on station measurements. The worst day was 2026-05-30 with AQI 69.

How is Chungju air quality measured?

Air quality in Chungju 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 Chungju, South Korea

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

46h

PM2.5 Station

46h · 34 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	69	59–79	20.9 µg/m³	11h	35
2026-05-29	64	52–85	18.2 µg/m³	24h	34
2026-05-28	64	28–87	19.4 µg/m³	11h	31

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