#PollutionAlertApril2020 | HIGH 7-9/10 and VERY HIGH 10/10 particle #AirPollution from non-traffic sources expected to hit southern UK Wednesday-Saturday (as winds slow and turn easterly). Could hit #Coronavirus #COVID19 patients at worst possible time https://uk-air.defra.gov.uk"> https://uk-air.defra.gov.uk 
Thread 2/... Official health advice and guides (plus ours):

https://uk-air.defra.gov.uk/air-pollution/daqi

https://uk-air.defra.gov.uk/air-pollu... href=" https://www.metoffice.gov.uk/weather/guides/air-quality

https://www.metoffice.gov.uk/weather/g... href=" https://cleanair.london/health/codeyellow-for-liverpool-marathon-and-great-manchester-run/">https://cleanair.london/health/co...
3/... Useful city tracker from @EUEnvironment https://twitter.com/euenvironment/status/1247102904235888640?s=21">https://twitter.com/euenviron... https://twitter.com/euenvironment/status/1247102904235888640">https://twitter.com/euenviron...
4/... Earlier days in forecasting this #AirPollution episode https://twitter.com/cleanairlondon/status/1247064717635596288?s=21">https://twitter.com/cleanairl... << We predicted it last Friday https://twitter.com/cleanairlondon/status/1247064717635596288">https://twitter.com/cleanairl...
5/... Please @Dunne4Ludlow @neil_parish @LukePollard @JonAshworth @SadiqKhan @RoryStewartUK @sianberry @ShaunBaileyUK read this thread. #CodePurple VERY HIGH 10/10 particle #AirPollution expected in places over next few days https://twitter.com/cleanairlondon/status/1247387085981573123?s=21">https://twitter.com/cleanairl... https://twitter.com/cleanairlondon/status/1247387085981573123">https://twitter.com/cleanairl...
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