SmogRank / Gujranwala / Logan

Gujranwala vs Logan: PM2.5 compared

Over the last year, Gujranwala's air was about 16.0× as polluted as Logan's: PM2.5 averaged 69.0 µg/m³ against 4.3, on the 153 days both cities were measured. Gujranwala had the dirtier air on 153 of those days, Logan on 0. Gujranwala was over the WHO's daily guideline of 15 µg/m³ on 153 of them, Logan on 12.

Right now

Gujranwala#3on the 24-hour board of 2,753, at 171 US AQI (84.6 µg/m³)
Logan#2,621on the 24-hour board of 2,753, at 11 US AQI (2.0 µg/m³)

The last year, day by day

Gujranwala
Logan
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

Nov2025DecJan2026Gujranwala, Feb 2026: 152.6 µg/m³Logan, Feb 2026: 6.2 µg/m³FebMarAprGujranwala, May 2026: 58.0 µg/m³Logan, May 2026: 0.7 µg/m³MayGujranwala, Jun 2026: 44.1 µg/m³Logan, Jun 2026: 2.1 µg/m³JunGujranwala, Jul 2026: 51.8 µg/m³Logan, Jul 2026: 4.3 µg/m³JulGujranwala, Aug 2026: 55.5 µg/m³Logan, Aug 2026: 11.7 µg/m³AugGujranwala, Sep 2026: 73.9 µg/m³Logan, Sep 2026: 0.7 µg/m³SepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Gujranwala. Faded: Logan. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Each city's worst days

Gujranwala

Logan

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

Gujranwala

Side by side with Sialkot (the nearest), Peshawar (Pakistan's 2nd worst on 30 days), Kinshasa (the world's 2nd worst on 30 days).

Logan

Side by side with Smithfield (the nearest), Mecca (United States's worst on 30 days).

Use this page

SmogRank, PM2.5 daily means compared, Gujranwala and Logan, 9 Oct 2025 – 8 Oct 2026, smogrank.com/compare/pk-gujranwala/us-logan (accessed 9 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 2026-10-09 12:07 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).