What is the air quality trend in Suwon?

Over the past 15 days, Suwon had an average AQI of 54 based on station measurements. The worst day was 2026-05-30 with AQI 74.

How is Suwon air quality measured?

Air quality in Suwon 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 Suwon, South Korea

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

Historical PM2.5 and AQI trend from monitoring stations near Suwon, 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 · 22 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	74	62–84	23.1 µg/m³	12h	106
2026-05-29	64	45–84	18.2 µg/m³	24h	107
2026-05-28	54	27–85	14.7 µg/m³	24h	106
2026-05-27	36	29–41	8.5 µg/m³	24h	108
2026-05-26	49	23–58	12.2 µg/m³	24h	112
2026-05-25	57	37–67	15.2 µg/m³	24h	128
2026-05-24	59	35–69	16.3 µg/m³	24h	110
2026-05-23	54	42–61	13.8 µg/m³	24h	123
2026-05-22	50	37–58	12.4 µg/m³	24h	126
2026-05-21	37	28–45	8.9 µg/m³	24h	125
2026-05-20	41	32–68	10.1 µg/m³	24h	128
2026-05-19	64	28–79	18.4 µg/m³	24h	134
2026-05-18	69	62–73	20.5 µg/m³	24h	135
2026-05-17	61	22–89	17.5 µg/m³	24h	148
2026-05-16	54	26–80	14.5 µg/m³	11h	135

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