SmogRank / World / United States / Alaska / October 2023
Most polluted cities in Alaska, United States, October 2023
4 cities in Alaska, United States ranked by their average PM2.5 over the 31 days. Worst: Badger at 7.8 µg/m³, #808 of 1,965 cities in the world. Cleanest: Fairbanks at 5.5. 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.
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, October 2023 · All cities in United States, October 2023 · Alaska now
Use this board
SmogRank, most polluted cities in Alaska, United States, PM2.5, October 2023, smogrank.com/us/region/alaska/history/2023-10 (accessed 6 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.