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East Asia

Air quality in Japan

Capital: TokyoJapaneseUpdated October 2026
11µg/m³ national average

Air quality in Japan

People in Japan breathe an average of 11 µg/m³ of PM2.5 (2023), 2× the WHO guideline. Moderate.

Air quality by place in Japan

Measured annual averages from the WHO Ambient Air Quality Database.

PlacePM2.5YearLevel
Okinawa6.3 µg/m³2019Fairly clean
Sendai7.3 µg/m³2019Fairly clean
Sapporo7.9 µg/m³2022Fairly clean
Osaka9.4 µg/m³2022Fairly clean
Nagoya9.4 µg/m³2022Fairly clean
Tokyo10.8 µg/m³2019Moderate
Kyoto10.8 µg/m³2019Moderate
Yokohama10.9 µg/m³2019Moderate
Kamakura10.9 µg/m³2019Moderate
Hiroshima11 µg/m³2010Moderate
Kobe11 µg/m³2010Moderate
Fukuoka12.7 µg/m³2019Moderate
Naoshima14 µg/m³2019Moderate
Kagoshima14.3 µg/m³2019Moderate

Air quality by place

Sources

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