SmogRank / Gujranwala / Brookfield
Gujranwala vs Brookfield: PM2.5 compared
Over the last year, Gujranwala's air was about 5.4× as polluted as Brookfield's: PM2.5 averaged 55.7 µg/m³ against 10.4, on the 188 days both cities were measured. Gujranwala had the dirtier air on 181 of those days, Brookfield on 6. Gujranwala was over the WHO's daily guideline of 15 µg/m³ on 188 of them, Brookfield on 37.
Right now
The last year, day by day
Month by month
Each city's worst days
Gujranwala
- 9 Mar 2026265190.0 µg/m³
- 10 May 2026257182.0 µg/m³
- 10 Mar 2026216140.5 µg/m³
Brookfield
- 16 Jul 2026391270.5 µg/m³
- 17 Jul 2026207132.0 µg/m³
- 19 Jul 202618097.5 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
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).
Brookfield
Side by side with Waukesha (the nearest), Mecca (United States's worst on 30 days).
Use this page
SmogRank, PM2.5 daily means compared, Gujranwala and Brookfield, 9 Oct 2025 – 8 Oct 2026, smogrank.com/compare/pk-gujranwala/us-brookfield (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).