SmogRank / Mexico / Puebla / Puebla
Puebla, month by month
Puebla has a measured daily mean on 860 days since 10 January 2023. Its worst month was May 2026, at 83 US AQI (26.5 µg/m³), 206th of 2,874 cities on that month's world ranking. Its cleanest was August 2023, at 54 US AQI (10.7 µg/m³).
Every month since 2023
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
Months without a mean, and why
22 months
| Month | Why |
|---|---|
| Mar 2025 | 18 of 31 days measured; a month needs 22. The others: 13 with under 18 hours of readings or readings that failed our checks. |
| Feb 2025 | 4 of 28 days measured; a month needs 20. The others: 24 with under 18 hours of readings or readings that failed our checks. |
| Jan 2025 | 1 of 31 days measured; a month needs 22. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Dec 2024 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Nov 2024 | 2 of 30 days measured; a month needs 21. The others: 28 with under 18 hours of readings or readings that failed our checks. |
| Oct 2024 | 1 of 31 days measured; a month needs 22. The others: 30 with under 18 hours of readings or readings that failed our checks. |
| Sep 2024 | 1 of 30 days measured; a month needs 21. The others: 29 with under 18 hours of readings or readings that failed our checks. |
| Aug 2024 | 3 of 31 days measured; a month needs 22. The others: 28 with under 18 hours of readings or readings that failed our checks. |
| Jul 2024 | 5 of 31 days measured; a month needs 22. The others: 26 with under 18 hours of readings or readings that failed our checks. |
| Jun 2024 | 16 of 30 days measured; a month needs 21. The others: 14 with under 18 hours of readings or readings that failed our checks. |
| May 2024 | 12 of 31 days measured; a month needs 22. The others: 19 with under 18 hours of readings or readings that failed our checks. |
| Apr 2024 | 9 of 30 days measured; a month needs 21. The others: 21 with under 18 hours of readings or readings that failed our checks. |
| Mar 2024 | 8 of 31 days measured; a month needs 22. The others: 23 with under 18 hours of readings or readings that failed our checks. |
| Feb 2024 | No day measured. The others: 1 missing from OpenAQ's archive, 28 with under 18 hours of readings or readings that failed our checks. |
| Jan 2024 | 15 of 31 days measured; a month needs 22. The others: 16 with under 18 hours of readings or readings that failed our checks. |
| Oct 2023 | 15 of 31 days measured; a month needs 22. The others: 16 with under 18 hours of readings or readings that failed our checks. |
| Jul 2023 | 17 of 31 days measured; a month needs 22. The others: 1 missing from OpenAQ's archive, 13 with under 18 hours of readings or readings that failed our checks. |
| Jun 2023 | 5 of 30 days measured; a month needs 21. The others: 25 with under 18 hours of readings or readings that failed our checks. |
| May 2023 | 6 of 31 days measured; a month needs 22. The others: 25 with under 18 hours of readings or readings that failed our checks. |
| Mar 2023 | 11 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive. |
| Feb 2023 | 1 of 28 days measured; a month needs 20. The others: 25 missing from OpenAQ's archive, 2 with under 18 hours of readings or readings that failed our checks. |
| Jan 2023 | 15 of 31 days measured; a month needs 22. The others: 6 missing from OpenAQ's archive, 1 with under 18 hours of readings or readings that failed our checks. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Puebla's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| May 2026 | 8326.5 µg/m³ | 206thof 2,874 | – |
| February 2026 | 8225.9 µg/m³ | 344thof 2,866 | – |
| April 2025 | 8024.8 µg/m³ | 234thof 2,951 | – |
| April 2023 | 7924.1 µg/m³ | 83rdof 1,622 | – |
| January 2026 | 7923.9 µg/m³ | 278thof 2,617 | Southern Mexico, January 2026 |
| March 2026 | 7823.8 µg/m³ | 473rdof 2,971 | – |
Monthly means over the days measured; finished months only. World rank: its place on that month's world ranking of every city with enough days. Each month opens that ranking.
Puebla's worst days
| Day | US AQI | Episode |
|---|---|---|
| 1 Jan 2026 | 17793.2 µg/m³ | Southern Mexico, January 2026 |
| 1 Jan 2024 | 17286.0 µg/m³ | Southern Mexico, January 2024 |
| 17 Jan 2023 | 13248.0 µg/m³ | – |
| 9 May 2024 | 12444.9 µg/m³ | – |
| 25 Jan 2023 | 12143.7 µg/m³ | – |
| 28 May 2024 | 12143.5 µg/m³ | – |
| 31 May 2024 | 11742.0 µg/m³ | – |
| 19 Jan 2023 | 11641.6 µg/m³ | Southern Mexico, January 2023 |
| 9 Mar 2024 | 11440.7 µg/m³ | – |
| 18 Jan 2023 | 10838.5 µg/m³ | – |
Daily means, the highest since 10 Jan 2023; the WHO's daily guideline is 15 µg/m³. Each date opens that day's world ranking, and each episode the bad-air spell it was part of.
Use this history
SmogRank, PM2.5 monthly and daily means, Puebla, Mexico, 10 Jan 2023 – 11 Oct 2026. Monitor data from Sinaica Mexico via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/mx/puebla/history (accessed 12 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.
Puebla now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 17:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some low-cost readings: Sensor.Community, ODbL (data and licence). Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver), no reuse terms published (why we use them).