SmogRank / World / United States / Minnesota / July 2025

Most polluted cities in Minnesota, United States, July 2025

16 cities in Minnesota, United States ranked by their average PM2.5 over the 31 days. Worst: Virginia at 31.2 µg/m³, #81 of 2,832 cities in the world. Cleanest: Marshall at 10.7. 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.

← Virginia 27% 20%0
Every city in Minnesota, United States ranked for July 2025, 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. 1Virginia
    27%
  2. 2Duluth
    26%
  3. 3Cloquet
    26%
  4. 4Brainerd
    26%
  5. 5Saint Cloud
    19%
  6. 6Saint Paul
    18%
  7. 7Burnsville
    17%
  8. 8Detroit Lakes
    16%
  9. 9Minneapolis
    16%
  10. 10Mankato
    16%
  11. 11Blaine
    16%
  12. 12Saint Michael
    16%
  13. 13Shakopee
    13%
  14. 14Apple Valley
    13%
  15. 15Rochester
    13%
  16. 16Marshall
    6%
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, July 2025 · All cities in United States, July 2025 · Minnesota now

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SmogRank, most polluted cities in Minnesota, United States, PM2.5, July 2025, smogrank.com/us/region/minnesota/history/2025-07 (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.