What is the air quality trend in Namsa?

Over the past 8 days, Namsa had an average AQI of 47 based on station measurements. The worst day was 2026-07-15 with AQI 52.

How is Namsa air quality measured?

Air quality in Namsa 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 Namsa, South Korea

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 47 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	45	30–54	11.1 µg/m³	6h	29
2026-07-21	49	27–79	12.7 µg/m³	24h	50
2026-07-20	38	24–52	9.2 µg/m³	24h	47
2026-07-19	47	30–59	11.7 µg/m³	24h	46
2026-07-18	46	29–68	11.4 µg/m³	24h	45
2026-07-17	51	26–70	13.5 µg/m³	24h	25
2026-07-16	52	19–75	13.6 µg/m³	24h	28
2026-07-15	52	42–60	12.7 µg/m³	18h	20

Back to Namsa Air Quality