What is the air quality trend in Tongyeong?

Over the past 8 days, Tongyeong had an average AQI of 50 based on station measurements. The worst day was 2026-08-01 with AQI 56.

How is Tongyeong air quality measured?

Air quality in Tongyeong 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 Tongyeong, South Korea

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

162h

PM2.5 Station

162h · 21 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	40	37–45	9.7 µg/m³	4h	24
2026-08-07	48	36–60	11.9 µg/m³	21h	23
2026-08-06	51	29–82	13.2 µg/m³	24h	32
2026-08-05	50	40–61	12.4 µg/m³	24h	35
2026-08-04	52	37–66	13.5 µg/m³	24h	25
2026-08-03	56	36–82	14.9 µg/m³	24h	21
2026-08-02	50	33–67	12.7 µg/m³	24h	15
2026-08-01	56	42–110	14.6 µg/m³	17h	16

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