SmogRank / Imsil / Mokpo

Imsil vs Mokpo: PM2.5 compared

Over the last year, Mokpo's air was 16% more polluted than Imsil's: PM2.5 averaged 16.7 µg/m³ against 14.4, on the 348 days both cities were measured. Mokpo had the dirtier air on 247 of those days, Imsil on 96. Mokpo was over the WHO's daily guideline of 15 µg/m³ on 167 of them, Imsil on 126.

Right now

Imsil–not on the 24-hour board right now
Mokpo–not on the 24-hour board right now

The last year, day by day

Imsil
Mokpo
Each city's daily mean from 9 Oct 2025 to 8 Oct 2026, one stripe a day, coloured by band. A blank stripe is a day without a daily mean.

Month by month

Imsil, Nov 2025: 17.9 µg/m³Mokpo, Nov 2025: 22.4 µg/m³Nov2025Imsil, Dec 2025: 15.7 µg/m³Mokpo, Dec 2025: 19.8 µg/m³DecImsil, Jan 2026: 16.4 µg/m³Mokpo, Jan 2026: 19.0 µg/m³Jan2026Imsil, Feb 2026: 21.0 µg/m³Mokpo, Feb 2026: 21.3 µg/m³FebImsil, Mar 2026: 23.5 µg/m³Mokpo, Mar 2026: 24.1 µg/m³MarImsil, Apr 2026: 13.3 µg/m³Mokpo, Apr 2026: 18.2 µg/m³AprImsil, May 2026: 12.7 µg/m³Mokpo, May 2026: 13.0 µg/m³MayImsil, Jun 2026: 12.5 µg/m³Mokpo, Jun 2026: 10.1 µg/m³JunImsil, Jul 2026: 9.4 µg/m³Mokpo, Jul 2026: 10.1 µg/m³JulImsil, Aug 2026: 9.0 µg/m³Mokpo, Aug 2026: 11.5 µg/m³AugImsil, Sep 2026: 10.0 µg/m³Mokpo, Sep 2026: 15.0 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Imsil. Faded: Mokpo. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Year by year

YearImsilMokpoDays both measuredDays Imsil was worse
2026 so far616426587
20256162364139
2024565928097

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

Imsil

Mokpo

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

Imsil

Side by side with Changsu (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, Imsil and Mokpo, 9 Oct 2025 – 8 Oct 2026, smogrank.com/compare/kr-imsil/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).