Datasets:
| {"chart":{"title":"Ozone (O₃) concentration","subtitle":"Population-weighted average ozone (O₃) concentrations in parts per billion (ppb). Local concentrations of ozone are recorded and estimated at a 11x11km resolution. These values are subsequently weighted by population-density for calculation of nation-level average concentrations.","citation":"State of Global Air 2017. HEI, 2017","originalChartUrl":"https://ourworldindata.org/grapher/ozone-o3-concentration-in-ppb","selection":["Saudi Arabia","Zimbabwe","Japan","United States","Sweden"]},"columns":{"Ozone concentration-StateofGlobalAir":{"titleShort":"Ozone concentration","titleLong":"Ozone concentration","unit":"ppb","timespan":"1990-2015","type":"Integer","owidVariableId":1629,"citationShort":" – processed by Our World in Data","citationLong":" – processed by Our World in Data. “Ozone concentration” [dataset]. Ozone concentration-StateofGlobalAir [original data].","fullMetadata":"https://api.ourworldindata.org/v1/indicators/1629.metadata.json"}},"dateDownloaded":"2025-07-09"} |