What is the air quality trend in Namsa?

Over the past 8 days, Namsa had an average AQI of 40 based on station measurements. The worst day was 2026-10-21 with AQI 50.

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

166h

PM2.5 Station

166h · 50 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	50	43–54	12.1 µg/m³	3h	25
2026-10-20	41	19–59	9.9 µg/m³	24h	37
2026-10-19	36	20–51	8.6 µg/m³	24h	47
2026-10-18	37	23–54	8.9 µg/m³	24h	37
2026-10-17	43	17–72	11.3 µg/m³	24h	34
2026-10-16	48	11–66	12.6 µg/m³	24h	47
2026-10-15	36	23–47	8.6 µg/m³	24h	41
2026-10-14	33	22–48	8.0 µg/m³	19h	46

Back to Namsa Air Quality