SmogRank / World / Japan / Fukui / August 2023
Most polluted cities in Fukui, Japan, August 2023
7 cities in Fukui, Japan ranked by their average PM2.5 over the 31 days. Worst: Obama at 6.8 µg/m³, #1,341 of 1,926 cities in the world. Cleanest: Kumagawa at 5.6. A city needs measurements on 70% of the days to be ranked.
About 0 people in this city breathed unhealthy air on an average day of August 2023.
Ranked by people: each city's population times its share of unhealthy days, those with a daily mean over 35.4 µg/m³ (US AQI 101+). That is how many people living there breathed unhealthy air on an average day. Only cities measured at 2 or more places at least 3 km apart are ranked: one monitor shouldn't speak for a whole city. Population is the city itself, not its wider metro area.
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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 Fukui, Japan, PM2.5, August 2023, smogrank.com/jp/region/fukui/history/2023-08 (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.