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Clean Air in London @CleanAirLondon
, 5 tweets, 9 min read Read on Twitter
#CodeRed | Wave of HIGH 9/10 particle #airpollution will hit London by Thursday afternoon. @MayorofLondon should warn people. Relief Friday? cc @PHE_London.

NB @LondonAir particle data is reset each midnight so better to follow hourly data:

londonair.org.uk/london/asp/adv…

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Statement by @DefraUKAir based on @metoffice forecast
uk-air.defra.gov.uk
Update: Concentrations of finest particle #airpollution (PM2.5) are rising sharply. HIGH hourly levels may not trigger daily average HIGHs by midnight. @LondonAir has downgraded Thursday daily average to MODERATE. Relief expected Friday. Hourly data londonair.org.uk/london/asp/adv…
5/... Update: Widespread MODERATE and local HIGH particle #airpollution in London at midnight 27/28 December. Hourly PM2.5 particle levels still rising. Relief expected on Friday londonair.org.uk/london/asp/adv…
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