What is the air quality trend in Yŏnan-ŭp?

Over the past 15 days, Yŏnan-ŭp had an average AQI of 53 based on station measurements. The worst day was 2026-05-30 with AQI 74.

How is Yŏnan-ŭp air quality measured?

Air quality in Yŏnan-ŭp 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 Yŏnan-ŭp, Korea, Democratic People's Republic of

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 16 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	63–91	23.0 µg/m³	7h	13
2026-05-29	63	43–89	17.8 µg/m³	24h	17
2026-05-28	52	19–93	14.1 µg/m³	23h	15
2026-05-27	33	19–49	7.8 µg/m³	24h	20
2026-05-26	47	12–61	11.8 µg/m³	24h	21
2026-05-25	55	2–70	14.7 µg/m³	24h	24
2026-05-24	57	14–74	15.8 µg/m³	24h	15
2026-05-23	55	41–78	14.3 µg/m³	24h	26
2026-05-22	49	33–60	12.1 µg/m³	24h	28
2026-05-21	38	19–55	9.0 µg/m³	24h	23
2026-05-20	41	31–58	10.1 µg/m³	24h	25
2026-05-19	63	13–83	18.4 µg/m³	24h	32
2026-05-18	68	32–86	20.5 µg/m³	24h	32
2026-05-17	59	31–72	16.6 µg/m³	23h	50
2026-05-16	50	21–62	13.1 µg/m³	15h	33

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