Lawrence vs Olathe: PM2.5 compared
Over the last year, Olathe's air was 8% more polluted than Lawrence's: PM2.5 averaged 8.1 µg/m³ against 7.5, on the 63 days both cities were measured. Olathe had the dirtier air on 37 of those days, Lawrence on 26. Olathe was over the WHO's daily guideline of 15 µg/m³ on 1 of them, Lawrence on 8.
Right now
The last year, day by day
Month by month
Each city's worst days
Lawrence
- 22 Jul 20268024.8 µg/m³
- 25 Aug 20267722.8 µg/m³
- 30 Sept 20267522.2 µg/m³
Olathe
- 22 Jul 20266717.8 µg/m³
- 26 Jul 20266114.2 µg/m³
- 27 Jul 20266014.1 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
Lawrence
Side by side with Mecca (United States's worst on 30 days), Gujranwala (the world's worst on 30 days).
Olathe
Side by side with Leawood (the nearest), Mecca (United States's worst on 30 days), Gujranwala (the world's worst on 30 days).
Use this page
SmogRank, PM2.5 daily means compared, Lawrence and Olathe, 9 Oct 2025 – 8 Oct 2026, smogrank.com/compare/us-lawrence/us-olathe (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).