SmogRank / World / United States / Minnesota / April 2024

Most polluted cities in Minnesota, United States, April 2024

15 cities in Minnesota, United States ranked by their average PM2.5 over the 30 days. Worst: Shakopee at 5.1 µg/m³, #1,906 of 2,482 cities in the world. Cleanest: Cloquet at 2.8. 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.

← Shakopee 0% 0.75%0
Every city in Minnesota, United States ranked for April 2024, 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.
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 Minnesota, United States, PM2.5, April 2024, smogrank.com/us/region/minnesota/history/2024-04 (accessed 7 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.