홍성읍 Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

홍성읍

Hongseong-eup, Chungcheongnam-do

2026-01-20 06:00

AQI (US)

Good

O3

μg/m³

79.3

PM2.5

μg/m³

4

PM10

μg/m³

13

NO2

μg/m³

11.3

SO2

μg/m³

10

CO

μg/m³

425

Weather

-4℃

43%

17 kph

0 of 11

Historical Data

Data Sources

http://www.airkorea.or.kr/

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