SmogRank / United States / Pennsylvania / Bensalem
Bensalem, month by month
Bensalem has a measured daily mean on 1,229 days since 11 January 2023. Its worst month was June 2023, at 74 US AQI (21.2 µg/m³), 248th of 1,603 cities on that month's world ranking. Its cleanest was October 2025, at 26 US AQI (4.6 µg/m³). 2025 averaged 45 US AQI (8.1 µg/m³), against 52 US AQI (9.4 µg/m³) in 2024.
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
6 months
| Month | Why |
|---|---|
| Mar 2026 | 14 of 31 days measured; a month needs 22. The others: 17 with under 18 hours of readings or readings that failed our checks. |
| Feb 2026 | 19 of 28 days measured; a month needs 20. The others: 9 with under 18 hours of readings or readings that failed our checks. |
| Jun 2025 | 17 of 30 days measured; a month needs 21. The others: 13 with under 18 hours of readings or readings that failed our checks. |
| Apr 2023 | 3 of 30 days measured; a month needs 21. The others: 27 with under 18 hours of readings or readings that failed our checks. |
| Mar 2023 | 20 of 31 days measured; a month needs 22. The others: 11 with under 18 hours of readings or readings that failed our checks. |
| Jan 2023 | 7 of 31 days measured; a month needs 22. The others: 14 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.
Bensalem's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| June 2023 | 7421.2 µg/m³ | 248thof 1,603 | Eastern United States and Canada, June and July 2023 United States and Canada, June 2023and 1 more |
| July 2026 | 6516.7 µg/m³ | 435thof 2,784 | Northern United States and Canada, July 2026 |
| December 2023 | 6415.9 µg/m³ | 259thof 2,247 | Pennsylvania, New Jersey and Massachusetts, United States, December 2023 North-eastern United States, December 2023 |
| July 2023 | 6315.7 µg/m³ | 130thof 1,432 | United States and Canada, July 2023 North-eastern United States, 19 July 2023and 1 more |
| November 2023 | 6014.1 µg/m³ | 175thof 2,243 | – |
| January 2024 | 5812.8 µg/m³ | 620thof 2,385 | Pennsylvania and Maryland, United States, January 2024 |
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.
Bensalem's worst days
| Day | US AQI | Episode |
|---|---|---|
| 17 Jul 2026 | 185104.0 µg/m³ | Northern United States and Canada, July 2026 |
| 16 Jul 2026 | 17893.5 µg/m³ | Northern United States and Canada, July 2026 |
| 29 Jun 2023 | 16170.0 µg/m³ | Eastern United States and Canada, June and July 2023 |
| 30 Jun 2023 | 15764.2 µg/m³ | Eastern United States and Canada, June and July 2023 |
| 18 Jul 2026 | 15560.8 µg/m³ | Northern United States and Canada, July 2026 |
| 6 Jun 2023 | 11340.5 µg/m³ | Eastern United States and Canada, May and June 2023 |
| 1 Jul 2023 | 10938.7 µg/m³ | Eastern United States and Canada, June and July 2023 |
| 25 Dec 2023 | 10838.5 µg/m³ | Pennsylvania, New Jersey and Massachusetts, United States, December 2023 |
| 2 Dec 2023 | 10336.5 µg/m³ | North-eastern United States, December 2023 |
| 9 Dec 2023 | 10236.0 µg/m³ | – |
Daily means, the highest since 11 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, Bensalem, United States, 11 Jan 2023 – 11 Oct 2026. Monitor data from AirNow, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/us/bensalem/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.
Bensalem 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).