SmogRank / Atotonilco de Tula / Hacienda Santa Fe
Atotonilco de Tula vs Hacienda Santa Fe: PM2.5 compared
Over the last year, Hacienda Santa Fe's air was about 1.5× as polluted as Atotonilco de Tula's: PM2.5 averaged 27.7 µg/m³ against 18.1, on the 203 days both cities were measured. Hacienda Santa Fe had the dirtier air on 169 of those days, Atotonilco de Tula on 33. Hacienda Santa Fe was over the WHO's daily guideline of 15 µg/m³ on 199 of them, Atotonilco de Tula on 142.
Right now
The last year, day by day
Month by month
Year by year
| Year | Atotonilco de Tula | Hacienda Santa Fe | Days Atotonilco de Tula was worse |
|---|---|---|---|
| 2026 so far | 69 | 84 | 33 |
| 2025 | 73 | 85 | 52 |
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
Atotonilco de Tula
- 2 May 202610235.9 µg/m³
- 8 Jan 202610135.7 µg/m³
- 19 Apr 20269733.9 µg/m³
Hacienda Santa Fe
- 20 May 2026198123.0 µg/m³
- 8 Jun 2026182100.0 µg/m³
- 21 Dec 202516778.0 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
Atotonilco de Tula
Side by side with San Marcos (the nearest), Gujranwala (the world's worst on 30 days).
Hacienda Santa Fe
Side by side with Santa Anita (the nearest), Mexicali (Mexico's 2nd worst on 30 days), Gujranwala (the world's worst on 30 days).
Use this page
SmogRank, PM2.5 daily means compared, Atotonilco de Tula and Hacienda Santa Fe, 9 Oct 2025 – 8 Oct 2026, smogrank.com/compare/mx-atotonilco-de-tula/mx-hacienda-santa-fe (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 07:07 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).