What is the air quality trend in Changwon?

Over the past 16 days, Changwon had an average AQI of 71 based on station measurements. The worst day was with AQI .

How is Changwon air quality measured?

Air quality in Changwon 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 Changwon, South Korea

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

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

Current AQI
Moderate

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

297h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-04-10	32	28–43	7.7 µg/m³	20h	1
2026-04-09	46	30–58	11.4 µg/m³	16h	1
2026-04-08	67	59–77	19.7 µg/m³	8h	1
2026-04-07	46	29–61	11.6 µg/m³	24h	1
2026-04-06	46	27–64	11.7 µg/m³	18h	1
2026-04-04	24	12–47	5.8 µg/m³	14h	1
2026-04-03	83	45–107	27.5 µg/m³	24h	1
2026-04-02	70	59–74	20.9 µg/m³	21h	1
2026-04-01	70	64–74	20.9 µg/m³	21h	1
2026-03-31	64	21–76	18.7 µg/m³	21h	1
2026-03-30	42	16–92	11.9 µg/m³	10h	1
2026-03-29	99	92–121	34.5 µg/m³	23h	1
2026-03-28	99	93–113	34.8 µg/m³	22h	1
2026-03-27	124	114–132	45.0 µg/m³	24h	1
2026-03-26	118	110–136	42.2 µg/m³	24h	1
2026-03-25	109	94–120	38.7 µg/m³	7h	1

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