SmogRank / Hacienda Santa Fe / La Providencia Siglo XXI
Hacienda Santa Fe vs La Providencia Siglo XXI: PM2.5 compared
Over the last year, Hacienda Santa Fe's air was about 2.1× as polluted as La Providencia Siglo XXI's: PM2.5 averaged 30.2 µg/m³ against 14.2, on the 310 days both cities were measured. Hacienda Santa Fe had the dirtier air on 293 of those days, La Providencia Siglo XXI on 17. Hacienda Santa Fe was over the WHO's daily guideline of 15 µg/m³ on 301 of them, La Providencia Siglo XXI on 116.
Right now
The last year, day by day
Month by month
Year by year
| Year | Hacienda Santa Fe | La Providencia Siglo XXI | Days Hacienda Santa Fe was worse |
|---|---|---|---|
| 2026 so far | 87 | 61 | 232 |
| 2025 | 88 | 58 | 187 |
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
Hacienda Santa Fe
- 1 Jan 2026213138.0 µg/m³
- 25 Dec 2025202127.0 µg/m³
- 20 May 2026198123.0 µg/m³
La Providencia Siglo XXI
- 1 Jan 202615155.5 µg/m³
- 8 Jan 202611440.9 µg/m³
- 9 Jan 202611139.6 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
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).
La Providencia Siglo XXI
Side by side with Pachuca de Soto (the nearest), Gujranwala (the world's worst on 30 days).
Use this page
SmogRank, PM2.5 daily means compared, Hacienda Santa Fe and La Providencia Siglo XXI, 9 Oct 2025 – 8 Oct 2026, smogrank.com/compare/mx-hacienda-santa-fe/mx-la-providencia-siglo-xxi (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).