SmogRank / World / United States / Michigan / July 2026

Most polluted cities in Michigan, United States, July 2026

21 cities in Michigan, United States ranked by their average PM2.5 over the 31 days. Worst: Marquette at 48.9 µg/m³, #45 of 2,751 cities in the world. Cleanest: Holland at 21.5. 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.

← Marquette 19% 15%0
Every city in Michigan, 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. 1Marquette
    19%
  2. 2Manistee
    19%
  3. 3Wyoming
    18%
  4. 4New Baltimore
    16%
  5. 5Grand Rapids
    16%
  6. 6Hudsonville
    16%
  7. 7Southfield
    14%
  8. 8Eastpointe
    14%
  9. 9Port Huron
    13%
  10. 10Detroit
    13%
  11. 11Dearborn
    13%
  12. 12Lincoln Park
    13%
  13. 13Bay City
    13%
  14. 13Taylor
    13%
  15. 15Kalamazoo
    13%
  16. 16Holland
    13%
  17. 17Lansing
    11%
  18. 18Tecumseh
    11%
  19. 19Ypsilanti
    10%
  20. 20Beecher
    10%
  21. 21Redford
    10%
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 Michigan, United States, PM2.5, July 2026, smogrank.com/us/region/michigan/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.