SmogRank / World / United States / North Carolina / September 2024
Most polluted cities in North Carolina, United States, September 2024
16 cities in North Carolina, United States ranked by their average PM2.5 over the 30 days. Worst: Durham at 8.2 µg/m³, #747 of 1,964 cities in the world. Cleanest: Murraysville at 2.5. 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.
- 1Durham 0%
- 2Charlotte 0%
- 2Morrisville 0%
- 4Hickory 0%
- 4Raleigh 0%
- 6Winston-Salem 0%
- 7Fayetteville 0%
- 7Greensboro 0%
- 9Lexington 0%
- 10Roanoke Rapids 0%
- 11Marvin 0%
- 12Clemmons 0%
- 13Tarboro 0%
- 14Asheville 0%
- 15Greenville 0%
- 16Murraysville 0%
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 North Carolina, United States, PM2.5, September 2024, smogrank.com/us/region/north-carolina/history/2024-09 (accessed 7 Oct 2026).
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.