What is the air quality trend in Hadong?

Over the past 15 days, Hadong had an average AQI of 51 based on station measurements. The worst day was 2026-06-02 with AQI 64.

How is Hadong air quality measured?

Air quality in Hadong 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 Hadong, South Korea

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 29 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	49	41–59	12.1 µg/m³	17h	29
2026-06-08	52	30–62	13.4 µg/m³	24h	25
2026-06-07	47	31–55	11.4 µg/m³	24h	28
2026-06-06	48	36–57	11.8 µg/m³	24h	29
2026-06-05	48	31–58	11.7 µg/m³	24h	29
2026-06-04	54	41–71	13.8 µg/m³	24h	30
2026-06-03	62	36–74	17.8 µg/m³	24h	28
2026-06-02	64	47–120	18.5 µg/m³	24h	29
2026-06-01	60	25–74	16.9 µg/m³	24h	21
2026-05-31	57	31–70	15.3 µg/m³	24h	22
2026-05-30	60	30–76	16.6 µg/m³	24h	19
2026-05-29	53	20–85	14.1 µg/m³	24h	21
2026-05-28	48	20–79	12.7 µg/m³	24h	22
2026-05-27	32	15–49	7.8 µg/m³	24h	19
2026-05-26	40	25–51	9.5 µg/m³	6h	21

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