What is the air quality trend in Yeonil?

Over the past 3 days, Yeonil had an average AQI of 49 based on station measurements. The worst day was with AQI .

How is Yeonil air quality measured?

Air quality in Yeonil 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 Yeonil, South Korea

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

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

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Trend

43h

PM2.5 Trend

43h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-04-17	47	46–48	11.3 µg/m³	5h	1
2026-04-16	42	36–53	10.2 µg/m³	24h	1
2026-04-15	59	52–67	15.7 µg/m³	14h	1

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