SmogRank / World / United States / New Jersey / October 2026

Most polluted cities in New Jersey, United States, October 2026

17 cities in New Jersey, United States ranked by their average PM2.5 so far (5 of 31 days). Worst: Camden at 10.1 µg/m³, #479 of 2,246 cities in the world. Cleanest: Paulsboro at 5.4. A city needs measurements on 70% of the days to be ranked.

Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.

← Camden 0% 0.75%0
Every city in New Jersey, United States ranked for October 2026, one column each, ranked by unhealthy days: height is the share of its measured days that were unhealthy, colour its average. Point at it to read a city; tap to open it.
  1. 1Camdenlow-cost sensors
    0%
  2. 2Palmyra
    0%
  3. 3Pennsauken
    0%
  4. 4Linden
    0%
  5. 5Fort Lee
    0%
  6. 6Jersey City
    0%
  7. 7Elizabeth
    0%
  8. 8Newark
    0%
  9. 9Trenton
    0%
  10. 10Ewing
    0%
  11. 11Paterson
    0%
  12. 12Toms River
    0%
  13. 13Mendham
    0%
  14. 14Atlantic City
    0%
  15. 14New Brunswick
    0%
  16. 16South Vineland
    0%
  17. 17Paulsboro
    0%

Low-cost sensors: consumer units, counted only in cities with no government-grade monitor; they read close to reference monitors on the whole, but 15 to 25% high in humid air. How we use them.

Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+

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

All cities in the world, October 2026 · All cities in United States, October 2026 · New Jersey now

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SmogRank, most polluted cities in New Jersey, United States, PM2.5, October 2026 (so far), smogrank.com/us/region/new-jersey/history/2026-10 (accessed 6 Oct 2026).

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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.