SmogRank / Peru / Lima region / Villa Poeta José Gálvez Barrenechea
Villa Poeta José Gálvez Barrenechea, month by month
Villa Poeta José Gálvez Barrenechea has a measured daily mean on 922 days since 1 January 2023. Its worst month was January 2023, at 98 US AQI (34.1 µg/m³), 50th of 1,261 cities on that month's world ranking. Its cleanest was February 2026, at 53 US AQI (10.4 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
19 months
| Month | Why |
|---|---|
| Oct 2026 | 5 of 11 days measured; a month needs 8. The others: 6 with readings for part of the day (a day needs 18 hours). |
| Sep 2026 | 6 of 30 days measured; a month needs 21. The others: 2 with no readings from the monitor, 22 with readings for part of the day (a day needs 18 hours). |
| Aug 2026 | 7 of 31 days measured; a month needs 22. The others: 24 with under 18 hours of readings or readings that failed our checks. |
| Jul 2026 | 10 of 31 days measured; a month needs 22. The others: 21 with under 18 hours of readings or readings that failed our checks. |
| Nov 2025 | 16 of 30 days measured; a month needs 21. The others: 14 with under 18 hours of readings or readings that failed our checks. |
| Sep 2025 | 9 of 30 days measured; a month needs 21. The others: 21 with under 18 hours of readings or readings that failed our checks. |
| Jul 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. |
| May 2025 | 11 of 31 days measured; a month needs 22. The others: 20 with under 18 hours of readings or readings that failed our checks. |
| Jan 2025 | 9 of 31 days measured; a month needs 22. The others: 22 with under 18 hours of readings or readings that failed our checks. |
| Mar 2024 | 20 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| Dec 2023 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Nov 2023 | 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 2023 | 16 of 31 days measured; a month needs 22. The others: 15 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 | 13 of 30 days measured; a month needs 21. The others: 17 with under 18 hours of readings or readings that failed our checks. |
| May 2023 | No day measured. The others: 31 with under 18 hours of readings or readings that failed our checks. |
| Apr 2023 | 13 of 30 days measured; a month needs 21. The others: 3 missing from OpenAQ's archive, 14 with under 18 hours of readings or readings that failed our checks. |
| Mar 2023 | 8 of 31 days measured; a month needs 22. The others: 20 missing from OpenAQ's archive, 3 with under 18 hours of readings or readings that failed our checks. |
| Feb 2023 | 2 of 28 days measured; a month needs 20. The others: 25 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.
Villa Poeta José Gálvez Barrenechea's worst months
| Month | US AQI | World rank |
|---|---|---|
| January 2023 | 9834.1 µg/m³ | 50thof 1,261 |
| October 2025 | 8929.5 µg/m³ | 199thof 2,614 |
| September 2024 | 8628.0 µg/m³ | 62ndof 2,010 |
| April 2024 | 8125.1 µg/m³ | 122ndof 2,520 |
| December 2025 | 8024.5 µg/m³ | 376thof 3,006 |
| September 2023 | 7723.2 µg/m³ | 72ndof 2,176 |
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.
Villa Poeta José Gálvez Barrenechea's worst days
| Day | US AQI |
|---|---|
| 13 Sept 2024 | 14653.8 µg/m³ |
| 12 Oct 2025 | 13348.4 µg/m³ |
| 1 Jan 2023 | 13348.3 µg/m³ |
| 7 Jan 2023 | 12344.6 µg/m³ |
| 26 Apr 2024 | 12244.1 µg/m³ |
| 6 Jan 2023 | 12143.8 µg/m³ |
| 8 Sept 2024 | 11842.4 µg/m³ |
| 10 Sept 2024 | 11742.2 µg/m³ |
| 1 Feb 2023 | 11240.0 µg/m³ |
| 28 Jan 2023 | 11039.1 µg/m³ |
Daily means, the highest since 1 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, Villa Poeta José Gálvez Barrenechea, Peru, 1 Jan 2023 – 10 Oct 2026. Monitor data from Senamhi via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/pe/villa-poeta-jose-galvez-barrenechea/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.
Villa Poeta José Gálvez Barrenechea now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 19:07 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).