SmogRank / Ireland / Leinster / Enniscorthy
Enniscorthy, month by month
Enniscorthy has a measured daily mean on 738 days since 1 January 2023. Its worst month was January 2025, at 63 US AQI (15.4 µg/m³), 466th of 2,474 cities on that month's world ranking. Its cleanest was August 2023, at 23 US AQI (4.1 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
24 months
| Month | Why |
|---|---|
| Aug 2026 | 18 of 31 days measured; a month needs 22. The others: 9 with no readings from the monitor, 4 with readings for part of the day (a day needs 18 hours). |
| Jul 2026 | 13 of 31 days measured; a month needs 22. The others: 9 with no readings from the monitor, 9 with readings for part of the day (a day needs 18 hours). |
| Jun 2026 | 17 of 30 days measured; a month needs 21. The others: 1 with no readings from the monitor, 12 with readings for part of the day (a day needs 18 hours). |
| Oct 2025 | 17 of 31 days measured; a month needs 22. The others: 5 with no readings from the monitor, 9 with readings for part of the day (a day needs 18 hours). |
| Aug 2025 | 16 of 31 days measured; a month needs 22. The others: 12 with no readings from the monitor, 3 with readings for part of the day (a day needs 18 hours). |
| Jun 2025 | 7 of 30 days measured; a month needs 21. The others: 10 with no readings from the monitor, 13 with readings for part of the day (a day needs 18 hours). |
| May 2025 | 20 of 31 days measured; a month needs 22. 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: 10 with readings for part of the day (a day needs 18 hours). |
| Oct 2024 | 13 of 31 days measured; a month needs 22. The others: 18 with readings for part of the day (a day needs 18 hours). |
| Sep 2024 | No day measured. The others: 30 with readings for part of the day (a day needs 18 hours). |
| Aug 2024 | No day measured. The others: 31 with no readings from the monitor. |
| Jul 2024 | No day measured. The others: 31 with no readings from the monitor. |
| Jun 2024 | No day measured. The others: 30 with no readings from the monitor. |
| May 2024 | No day measured. The others: 31 with no readings from the monitor. |
| Apr 2024 | No day measured. The others: 30 with no readings from the monitor. |
| Mar 2024 | No day measured. The others: 31 with no readings from the monitor. |
| Feb 2024 | No day measured. The others: 28 with no readings from the monitor, 1 missing from OpenAQ's archive. |
| Jan 2024 | No day measured. The others: 31 with no readings from the monitor. |
| Dec 2023 | No day measured. The others: 31 with no readings from the monitor. |
| Nov 2023 | No day measured. The others: 30 with no readings from the monitor. |
| Oct 2023 | 13 of 31 days measured; a month needs 22. The others: 14 with no readings from the monitor, 4 with readings for part of the day (a day needs 18 hours). |
| Mar 2023 | 11 of 31 days measured; a month needs 22. The others: 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 | 18 of 31 days measured; a month needs 22. The others: 6 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.
Enniscorthy's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| January 2025 | 6315.4 µg/m³ | 466thof 2,474 | Western Europe, January 2025 |
| February 2025 | 6214.8 µg/m³ | 875thof 2,633 | – |
| March 2026 | 5913.3 µg/m³ | 1,027thof 2,971 | Europe, 18 to 25 March 2026 |
| December 2025 | 5913.2 µg/m³ | 846thof 3,006 | – |
| January 2026 | 5712.4 µg/m³ | 910thof 2,617 | – |
| November 2024 | 5712.1 µg/m³ | 565thof 2,624 | – |
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.
Enniscorthy's worst days
| Day | US AQI | Episode |
|---|---|---|
| 20 Jan 2023 | 12444.8 µg/m³ | – |
| 2 Dec 2025 | 10436.9 µg/m³ | – |
| 31 Jan 2025 | 10035.2 µg/m³ | – |
| 10 Mar 2025 | 9834.4 µg/m³ | Germany, Poland and 25 more countries, March 2025 |
| 21 Mar 2026 | 9733.6 µg/m³ | Europe, 18 to 25 March 2026 |
| 1 Feb 2026 | 9633.5 µg/m³ | – |
| 11 Jan 2025 | 9633.1 µg/m³ | Western Europe, January 2025 |
| 20 Mar 2026 | 9633.1 µg/m³ | Europe, 18 to 25 March 2026 |
| 19 Jan 2023 | 9331.7 µg/m³ | – |
| 16 Dec 2025 | 9030.1 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, Enniscorthy, Ireland, 1 Jan 2023 – 11 Oct 2026. Monitor data from EEA, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/ie/enniscorthy/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.
Enniscorthy now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 21:07 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).