What is the air quality trend in Hwacheon?

Over the past 3 days, Hwacheon had an average AQI of 41 based on station measurements. The worst day was 2026-08-07 with AQI 49.

How is Hwacheon air quality measured?

Air quality in Hwacheon 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 Hwacheon, South Korea

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

42h

PM2.5 Station

42h · 10 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	30	27–35	7.3 µg/m³	4h	12
2026-08-07	49	25–78	12.8 µg/m³	21h	14
2026-08-06	45	23–69	11.2 µg/m³	17h	14

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