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

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

17 cities in New Jersey, United States ranked by their average PM2.5 over the 31 days. Worst: Palmyra at 21.1 µg/m³, #292 of 2,751 cities in the world. Cleanest: South Vineland at 10.1. 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.

← Bayonne 15% 10%0
Every city in New Jersey, United States ranked for July 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. 1Bayonne
    15%
  2. 2Paterson
    14%
  3. 3Fort Lee
    13%
  4. 4New Brunswick
    12%
  5. 5Linden
    11%
  6. 5Mendham
    11%
  7. 7Ewing
    10%
  8. 8Elizabeth
    10%
  9. 9Palmyra
    10%
  10. 10Pennsauken
    10%
  11. 11Trenton
    10%
  12. 12Smithville
    10%
  13. 13Paulsboro
    10%
  14. 14Atlantic City
    10%
  15. 15Jersey City
    10%
  16. 16Toms River
    10%
  17. 17South Vineland
    7%
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

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SmogRank, most polluted cities in New Jersey, United States, PM2.5, July 2026, smogrank.com/us/region/new-jersey/history/2026-07 (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.