What is the air quality trend in Sinŭiju?

Over the past 21 days, Sinŭiju had an average AQI of 64 based on station measurements. The worst day was 2026-05-12 with AQI 100.

How is Sinŭiju air quality measured?

Air quality in Sinŭiju 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 Sinŭiju, Korea, Democratic People's Republic of

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

Historical PM2.5 and AQI trend from monitoring stations near Sinŭiju, Korea, Democratic People's Republic of.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

449h

PM2.5 Station

449h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	71	42–104	21.8 µg/m³	20h	3
2026-05-28	79	38–255	29.5 µg/m³	23h	4
2026-05-27	70	25–111	21.4 µg/m³	22h	3
2026-05-26	62	31–82	17.8 µg/m³	24h	3
2026-05-25	57	19–91	16.3 µg/m³	22h	2
2026-05-24	57	35–125	15.8 µg/m³	23h	3
2026-05-23	59	24–115	17.1 µg/m³	22h	3
2026-05-22	53	15–101	14.8 µg/m³	21h	3
2026-05-21	65	13–288	25.0 µg/m³	22h	3
2026-05-20	54	14–99	15.2 µg/m³	24h	4
2026-05-19	55	23–76	15.1 µg/m³	24h	4
2026-05-18	56	30–112	15.5 µg/m³	24h	3
2026-05-17	50	16–87	13.3 µg/m³	20h	4
2026-05-16	59	33–82	16.4 µg/m³	19h	3
2026-05-15	67	30–170	21.9 µg/m³	23h	3
2026-05-14	68	27–106	20.5 µg/m³	23h	3
2026-05-13	62	33–109	18.2 µg/m³	24h	3
2026-05-12	100	23–399	44.7 µg/m³	22h	3
2026-05-11	79	48–127	25.1 µg/m³	23h	4
2026-05-10	76	45–117	24.0 µg/m³	22h	3
2026-05-09	56	42–70	15.5 µg/m³	2h	2

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