SmogRank / World / Japan / Nagasaki / June 2024
Most polluted cities in Nagasaki, Japan, June 2024
13 cities in Nagasaki, Japan ranked by their average PM2.5 over the 30 days. Worst: Matsuura at 11.1 µg/m³, #424 of 2,517 cities in the world. Cleanest: Iki at 8.9. 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, June 2024 · All cities in Japan, June 2024 · Nagasaki now
Use this board
SmogRank, most polluted cities in Nagasaki, Japan, PM2.5, June 2024, smogrank.com/jp/region/nagasaki/history/2024-06 (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.