SmogRank / United States / Pennsylvania / Abington
Abington, month by month
Abington has a measured daily mean on 268 days since 30 July 2025. Its worst month was February 2026, at 63 US AQI (15.5 µg/m³), 752nd of 2,866 cities on that month's world ranking. Its cleanest was September 2026, at 33 US AQI (6.0 µg/m³).
Every month since 2025
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
7 months
| Month | Why |
|---|---|
| Aug 2026 | 12 of 31 days measured; a month needs 22. The others: 19 with under 18 hours of readings or readings that failed our checks. |
| Jul 2026 | 8 of 31 days measured; a month needs 22. The others: 23 with under 18 hours of readings or readings that failed our checks. |
| Jun 2026 | 4 of 30 days measured; a month needs 21. The others: 26 with under 18 hours of readings or readings that failed our checks. |
| May 2026 | 8 of 31 days measured; a month needs 22. The others: 23 with under 18 hours of readings or readings that failed our checks. |
| Apr 2026 | 8 of 30 days measured; a month needs 21. The others: 22 with under 18 hours of readings or readings that failed our checks. |
| Oct 2025 | 20 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| Jul 2025 | 2 of 31 days measured; a month needs 22. |
A day counts once 18 hours of it are measured; a month needs 70% of its days.
Abington's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| February 2026 | 6315.5 µg/m³ | 752ndof 2,866 | North-eastern United States and Canada, 14 to 19 February 2026 |
| January 2026 | 5611.8 µg/m³ | 937thof 2,617 | North-eastern United States, January 2026 |
| December 2025 | 5511.4 µg/m³ | 1,056thof 3,006 | – |
| March 2026 | 5310.1 µg/m³ | 1,648thof 2,971 | – |
| August 2025 | 5310.0 µg/m³ | 1,233rdof 2,901 | North-eastern United States and Canada, 29 July to 9 August 2025 |
| November 2025 | 529.9 µg/m³ | 1,045thof 2,715 | Pennsylvania and New Jersey, United States, November 2025 |
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.
Abington's worst days
| Day | US AQI | Episode |
|---|---|---|
| 18 Jul 2026 | 16270.6 µg/m³ | – |
| 18 Jan 2026 | 8929.3 µg/m³ | North-eastern United States, January 2026 |
| 15 Feb 2026 | 8829.2 µg/m³ | North-eastern United States and Canada, 14 to 19 February 2026 |
| 7 Dec 2025 | 8527.1 µg/m³ | – |
| 17 Feb 2026 | 8527.1 µg/m³ | North-eastern United States and Canada, 14 to 19 February 2026 |
| 5 Aug 2025 | 8225.7 µg/m³ | North-eastern United States and Canada, 29 July to 9 August 2025 |
| 21 Nov 2025 | 8225.6 µg/m³ | Pennsylvania and New Jersey, United States, November 2025 |
| 6 Feb 2026 | 8125.0 µg/m³ | – |
| 14 Feb 2026 | 7823.7 µg/m³ | North-eastern United States and Canada, 14 to 19 February 2026 |
| 4 Aug 2025 | 7723.3 µg/m³ | North-eastern United States and Canada, 29 July to 9 August 2025 |
Daily means, the highest since 30 Jul 2025; 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, Abington, United States, 30 Jul 2025 – 11 Oct 2026. Monitor data from Clarity via OpenAQ; sources listed at smogrank.com/sources. smogrank.com/us/abington/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.
Abington now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-12 22:07 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).