SmogRank / United States / New Jersey / Palmyra
Palmyra, month by month
Palmyra has a measured daily mean on 415 days since 24 July 2025. Its worst month was July 2026, at 73 US AQI (21.1 µg/m³), 293rd of 2,784 cities on that month's world ranking. Its cleanest was September 2026, at 38 US AQI (6.9 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
2 months
| Month | Why |
|---|---|
| Oct 2025 | 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 2025 | 8 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.
Palmyra's worst months
| Month | US AQI | World rank | Episode |
|---|---|---|---|
| July 2026 | 7321.1 µg/m³ | 293rdof 2,784 | Northern United States and Canada, July 2026 |
| February 2026 | 6416.3 µg/m³ | 719thof 2,866 | North-eastern United States and Canada, 14 to 19 February 2026 |
| January 2026 | 5812.7 µg/m³ | 896thof 2,617 | North-eastern United States, January 2026 North-eastern United States and Canada around Nepean, 6 January 2026 |
| December 2025 | 5611.6 µg/m³ | 1,026thof 3,006 | – |
| March 2026 | 5511.3 µg/m³ | 1,366thof 2,971 | – |
| August 2026 | 5410.6 µg/m³ | 774thof 2,896 | – |
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.
Palmyra's worst days
Daily means, the highest since 24 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, Palmyra, United States, 24 Jul 2025 – 11 Oct 2026. Monitor data from AirNow, via OpenAQ and from the publisher directly; sources listed at smogrank.com/sources. smogrank.com/us/palmyra-new-jersey/history (accessed 13 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.
Palmyra now: the last 24 hours, its ranks today and the last 12 months day by day.
Updated 2026-10-13 03:07 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).