SmogRank / South Korea / Jeollabuk-do

Air quality in Changsu

Jeollabuk-do, South Korea. PM2.5 from 2 reference monitors, updated hourly.

1DAQI
Low

Latest hour (03:00 UTC), 0.4× the WHO 24-hour guideline. PM2.5 5.5 µg/m³.

Rank, worst first

24 hours–not enough data
7 days#551of 2,605, at 2 DAQI (11.6 µg/m³)
30 days#13of 2,626, at 10 DAQI (128.5 µg/m³)
This year#47of 2,447, at 10 DAQI (74.5 µg/m³)

The last 12 months, day by day

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Daily history appears as days complete. One row per month, one square per local day.
Low1–3
Moderate4–6
High7–9
Very high10

The UK's Daily Air Quality Index (1 to 10), PM2.5 bands. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

Last 4 days, hour by hour

15302026-10-02 00:00 UTC: 5.5 µg/m³2026-10-02 01:00 UTC: 6.5 µg/m³2026-10-02 02:00 UTC: 6.0 µg/m³2026-10-02 03:00 UTC: 5.5 µg/m³Sep 29Sep 30Oct 1
Times in UTC. Dashed line: WHO 24-hour guideline (15 µg/m³).

Monitors

StationOperatorType
장수읍Permission requested (AirKorea, 2026-10-01)Korea Air Ministry of EnvironmentReference
장계면Permission requested (AirKorea, 2026-10-01)Korea Air Ministry of EnvironmentReference

The city's value is the median of its reference monitors each hour, when at least a third of them report (three are always enough); low-cost sensors are listed but not counted when reference monitors exist. Data via OpenAQ; licences as listed. How we rank. Embed this on your site.

Other cities in South Korea

30-day averages, DAQI. All of South Korea.

Updated 2026-10-02 04:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the UK DAQI PM2.5 sub-index.