What is the air quality trend in Guri-si?

Over the past 3 days, Guri-si had an average AQI of 41 based on station measurements. The worst day was 2026-10-21 with AQI 47.

How is Guri-si air quality measured?

Air quality in Guri-si 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 Guri-si, South Korea

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

Historical PM2.5 and AQI trend from monitoring stations near Guri-si, South Korea.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

45h

PM2.5 Station

45h · 29 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	47	40–54	11.3 µg/m³	4h	56
2026-10-20	39	23–52	9.4 µg/m³	24h	72
2026-10-19	37	22–46	9.0 µg/m³	17h	77

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