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Apr 16, 2020 • 6 tweets • 5 min read
#PollutionAlertMidApril2020 | Nasty MODERATE particle #AirPollution episode underway. Possibly HIGH in South East England into weekend. Of course traffic pollution (nitrogen dioxide) is LOW but particles come from all sources eg agriculture, wood and rubbish burning, industry etc ImageImageImageImage
Thread 2/... from yesterday and earlier
3/... #PollutionCheck: 280.6m particles per m3 > 0.3 microns. Time 0741. Temp 18.0c. RH 37%. 59.9% of highest ever recorded (16/3/2015) cleanair.london/indoor-air-qua… Image
4/... Vital evidence for the #CleanAirRoyalCommission from @LondonAir about four classic 'Spring' particle/ozone episodes during #Coronavirus #COVID19 Lockdown https://t.co/b8ELruuv0O
5/... Widespread ozone and particle #AirPollution episode ongoing across southern UK https://t.co/b8ELruuv0O
7/.... ImageImageImageImage

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More from @CleanAirLondon

Clean Air in London Profile picture
Sep 3, 2021
Official #CodeRed alert | Major particle #AirPollution episode building as winds slow and turn easterly. MODERATE #AirPollution in places every day until HIGH 7-8/10 by Monday night or Tuesday. Check updates and health advice uk-air.defra.gov.uk ImageImageImageImage
Thread 2/... Major ozone and particle #AirPollution episode building. HIGH ozone by Sunday and Monday evenings and HIGH particles by Monday morning in London and eastern England. MODERATE in many places HT @CopernicusECMWF macc-raq-op.meteo.fr/index.php?cate… ImageImageImage
Official #CodeRed | Serious widespread MODERATE or HIGH particle and/or ozone for most of England and Wales on Monday, Tuesday. Scotland also by Wednesday. Check updates and health advice uk-air.defra.gov.uk ImageImageImageImage
Read 16 tweets
Clean Air in London Profile picture
Dec 27, 2018
#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…

Thread 1/..
Useful links:

1. @LondonAir
londonair.org.uk/LondonAir/Defa…
2. @CopernicusECMWF
macc-raq-op.meteo.fr/index.php?cate…
3. @MetClim
metclim.com/air-quality-fo…
4. @EUEnvironment
eea.europa.eu/themes/air/air…
5. @airTEXT
airtext.info
6. @DefraUKAir aka @michaelgove
uk-air.defra.gov.uk
Statement by @DefraUKAir based on @metoffice forecast
uk-air.defra.gov.uk
Read 5 tweets

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