In 2019, the population-weighted concentration of ozone pollution in Japan stood at **** parts per billion, which was a slight increase compared to ** parts per billion in the previous year. A look at the statistic reveals that there have been no major changes since 2010.
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Health Effects Institute, & IHME. (November 26, 2020). Ambient ozone pollution based on population-weighted concentration in Japan from 2010 to 2019 (in parts per billion) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 24, 2026, from /statistics/934886/japan-population-weighted-ambient-ozone-pollution/
Health Effects Institute, und IHME. "Ambient ozone pollution based on population-weighted concentration in Japan from 2010 to 2019 (in parts per billion)." Chart. November 26, 2020. ÌÇÐÄÆƽâ°æ. Accessed July 24, 2026. /statistics/934886/japan-population-weighted-ambient-ozone-pollution/
Health Effects Institute, IHME. (2020). Ambient ozone pollution based on population-weighted concentration in Japan from 2010 to 2019 (in parts per billion). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 24, 2026. /statistics/934886/japan-population-weighted-ambient-ozone-pollution/
Health Effects Institute, and IHME. "Ambient Ozone Pollution Based on Population-weighted Concentration in Japan from 2010 to 2019 (in Parts per Billion)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 26 Nov 2020, /statistics/934886/japan-population-weighted-ambient-ozone-pollution/
Health Effects Institute & IHME, Ambient ozone pollution based on population-weighted concentration in Japan from 2010 to 2019 (in parts per billion) ÌÇÐÄÆƽâ°æ, /statistics/934886/japan-population-weighted-ambient-ozone-pollution/ (last visited July 24, 2026)
Ambient ozone pollution based on population-weighted concentration in Japan from 2010 to 2019 (in parts per billion) [Graph], Health Effects Institute, & IHME, November 26, 2020. [Online]. Available: /statistics/934886/japan-population-weighted-ambient-ozone-pollution/
