Changwon vs Mokpo: PM2.5 compared
Over the last year, Mokpo's air was 18% more polluted than Changwon's: PM2.5 averaged 16.6 µg/m³ against 14.1, on the 353 days both cities were measured. Mokpo had the dirtier air on 231 of those days, Changwon on 120. Mokpo was over the WHO's daily guideline of 15 µg/m³ on 170 of them, Changwon on 115.
Right now
The last year, day by day
Month by month
Year by year
| Year | Changwon | Mokpo | Days Changwon was worse |
|---|---|---|---|
| 2026 so far | 60 | 63 | 110 |
| 2025 | 61 | 62 | 139 |
| 2024 | 58 | 59 | 102 |
Means in US AQI over the days both cities were measured that year; a year shows once they share 30 such days.
Each city's worst days
Changwon
- 24 Mar 202613649.8 µg/m³
- 27 Mar 202611742.1 µg/m³
- 25 Mar 202611239.9 µg/m³
Mokpo
- 15 Jan 202612645.5 µg/m³
- 14 Feb 202612545.3 µg/m³
- 16 Mar 202612344.3 µg/m³
Daily means in US AQI, with µg/m³ beside them, since the index stops at its top value, over the days both cities were measured in the last year. Each date opens that day's world board.
Compare either city with another
Changwon
Side by side with Naesŏ (the nearest), Gujranwala (the world's worst on 30 days).
Mokpo
Side by side with Muan (the nearest), Kimje (South Korea's 2nd worst on 30 days), Gujranwala (the world's worst on 30 days).
Use this page
SmogRank, PM2.5 daily means compared, Changwon and Mokpo, 9 Oct 2025 – 8 Oct 2026, smogrank.com/compare/kr-changwon/kr-mokpo (accessed 8 Oct 2026).
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.
The same rules as every SmogRank figure: reference monitors first, and a day counts with 18 measured hours. How we measure.
Updated 2026-10-08 20:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); Love My Air (City and County of Denver), no reuse terms published (why we use them).