{"schemaVersion":"1.0","id":"bad-with-what","dataset":"live-pollutants","title":"Bad air, but bad with what","description":"The headline index hides which pollutant is doing the damage.","methodology":"Median Daily Air Quality Index across every reporting LondonAir site, held separately per pollutant. The single headline figure is each site's worst pollutant, which answers whether the air is bad and hides what it is bad with. Nitrogen dioxide is largely a traffic story and PM2.5 largely a weather one; they neither peak together nor in the same places.","category":"environment","categoryLabel":"Environment","cadence":"live","placeholder":false,"landingPage":"https://londongraph.com/g/bad-with-what","markdown":"https://londongraph.com/g/bad-with-what/index.html.md","source":{"name":"Environment Agency","url":"https://www.londonair.org.uk/","licence":"Open Government Licence v3.0","licenceUrl":"https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/"},"observations":null,"areaStatistics":null,"visualizations":[{"id":"overview","label":"Overview","description":"The headline index hides which pollutant is doing the damage.","url":"https://londongraph.com/g/bad-with-what","renderer":"primary","default":true,"timeControl":"inherit","datasets":[],"transform":null,"controls":null,"metrics":[],"caveat":null},{"id":"pollutants","label":"Pollutants","description":"Compare median DAQI and reporting-site coverage by pollutant.","url":"https://londongraph.com/g/bad-with-what?view=pollutants","renderer":"live-summary","default":false,"timeControl":"inherit","datasets":[],"transform":null,"controls":null,"metrics":[],"caveat":null}],"availability":"metadata-only","note":"Live values are intentionally served by rate-limited application feeds, not this crawlable record."}