What is the air quality trend in Hwawŏn?

Over the past 8 days, Hwawŏn had an average AQI of 50 based on station measurements. The worst day was 2026-08-03 with AQI 59.

How is Hwawŏn air quality measured?

Air quality in Hwawŏn 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 Hwawŏn, South Korea

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

161h

PM2.5 Station

161h · 31 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	33	31–36	8.0 µg/m³	3h	27
2026-08-07	49	34–60	12.1 µg/m³	20h	37
2026-08-06	52	28–145	13.8 µg/m³	24h	35
2026-08-05	49	33–69	12.4 µg/m³	24h	38
2026-08-04	54	36–66	14.2 µg/m³	24h	37
2026-08-03	59	47–70	16.1 µg/m³	24h	29
2026-08-02	52	33–63	13.1 µg/m³	24h	26
2026-08-01	54	12–102	14.7 µg/m³	18h	27

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