SmogRank / Spain / Galicia / Sarria
Sarria, month by month
Sarria has a measured daily mean on 830 days since 1 January 2023. Its worst month was August 2025, at 75 US AQI (21.9 µg/m³), 176th of 2,901 cities on that month's world ranking. Its cleanest was May 2024, at 28 US AQI (5.1 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 |
|---|---|
| Oct 2026 | 4 of 11 days measured; a month needs 8. The others: 3 with no readings from the monitor, 4 with readings for part of the day (a day needs 18 hours). |
| Aug 2026 | 20 of 31 days measured; a month needs 22. The others: 10 with readings for part of the day (a day needs 18 hours), 1 with readings left out by our checks. |
| Jul 2026 | 7 of 31 days measured; a month needs 22. The others: 4 with no readings from the monitor, 20 with readings for part of the day (a day needs 18 hours). |
| Jun 2026 | 7 of 30 days measured; a month needs 21. The others: 8 with no readings from the monitor, 15 with readings for part of the day (a day needs 18 hours). |
| May 2026 | 1 of 31 days measured; a month needs 22. The others: 10 with no readings from the monitor, 20 with readings for part of the day (a day needs 18 hours). |
| Apr 2026 | No day measured. The others: 25 with no readings from the monitor, 5 with readings for part of the day (a day needs 18 hours). |
| Mar 2026 | No day measured. The others: 31 with no readings from the monitor. |
| Feb 2026 | 6 of 28 days measured; a month needs 20. The others: 19 with no readings from the monitor, 3 with readings for part of the day (a day needs 18 hours). |
| Nov 2025 | 20 of 30 days measured; a month needs 21. The others: 1 with no readings from the monitor, 5 with readings for part of the day (a day needs 18 hours), 4 with readings left out by our checks. |
| Jun 2025 | 19 of 30 days measured; a month needs 21. The others: 1 with no readings from the monitor, 10 with readings for part of the day (a day needs 18 hours). |
| Mar 2025 | 21 of 31 days measured; a month needs 22. The others: 2 with no readings from the monitor, 8 with readings for part of the day (a day needs 18 hours). |
| Dec 2024 | 18 of 31 days measured; a month needs 22. The others: 11 with no readings from the monitor, 2 with readings for part of the day (a day needs 18 hours). |
| Nov 2024 | No day measured. The others: 30 with no readings from the monitor. |
| Oct 2024 | No day measured. The others: 31 with no readings from the monitor. |
| Sep 2024 | No day measured. The others: 18 with no readings from the monitor, 12 with readings for part of the day (a day needs 18 hours). |
| Aug 2024 | 7 of 31 days measured; a month needs 22. The others: 1 with no readings from the monitor, 23 with readings for part of the day (a day needs 18 hours). |
| Jul 2024 | 12 of 31 days measured; a month needs 22. The others: 1 with no readings from the monitor, 17 with readings for part of the day (a day needs 18 hours), 1 with readings left out by our checks. |
| Mar 2024 | 14 of 31 days measured; a month needs 22. The others: 10 with no readings from the monitor, 7 with readings for part of the day (a day needs 18 hours). |
| Apr 2023 | 20 of 30 days measured; a month needs 21. The others: 2 with no readings from the monitor, 5 with readings for part of the day (a day needs 18 hours), 3 missing from OpenAQ's archive. |
| Mar 2023 | 9 of 31 days measured; a month needs 22. The others: 2 with readings for part of the day (a day needs 18 hours), 20 missing from OpenAQ's archive. |
| Feb 2023 | 3 of 28 days measured; a month needs 20. The others: 25 missing from OpenAQ's archive. |
| Jan 2023 | 10 of 31 days measured; a month needs 22. The others: 1 with no readings from the monitor, 13 with readings for part of the day (a day needs 18 hours), 7 missing from OpenAQ's archive. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Sarria's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| August 2025 | 7521.9 µg/m³ | 176thof 2,901 | Spain, Portugal and Andorra, August 2025 |
| May 2023 | 498.9 µg/m³ | 683rdof 1,600 | – |
| June 2023 | 488.7 µg/m³ | 989thof 1,603 | – |
| February 2024 | 488.7 µg/m³ | 910thof 2,486 | Southern Europe, February 2024 |
| May 2025 | 458.1 µg/m³ | 1,320thof 2,826 | – |
| October 2025 | 448.0 µg/m³ | 878thof 2,614 | – |
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.
Sarria's worst days
| Day | US AQI | Episode |
|---|---|---|
| 15 Aug 2025 | 206131.0 µg/m³ | Spain, Portugal and Andorra, August 2025 |
| 16 Aug 2025 | 196120.0 µg/m³ | Spain, Portugal and Andorra, August 2025 |
| 17 Aug 2025 | 13047.2 µg/m³ | Spain, Portugal and Andorra, August 2025 |
| 7 Feb 2024 | 12344.6 µg/m³ | Southern Europe, February 2024 |
| 13 Aug 2025 | 9633.1 µg/m³ | Spain, Portugal and Andorra, August 2025 |
| 20 Sept 2025 | 8628.0 µg/m³ | – |
| 19 Sept 2025 | 8225.6 µg/m³ | – |
| 12 Aug 2025 | 8225.5 µg/m³ | Spain, Portugal and Andorra, August 2025 |
| 14 Aug 2025 | 7823.8 µg/m³ | Spain, Portugal and Andorra, August 2025 |
| 18 Jun 2025 | 7823.7 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, Sarria, Spain, 1 Jan 2023 – 9 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/es/sarria/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.
Sarria now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 20:07 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).