Air pollution ‘episode’

The following moderate air pollution episode was observed in London over the past weekend. Hopefully the ClearfLo IOP will produce some interesting data.

‘Moderate’ air pollution incident notification from King’s College London Environmental Research Group

Issued: 14:30 Monday 16th January 2012
Settled, cold weather on Saturday 14th January led to a buildup of local traffic pollution. Widespread ‘moderate’ nitrogen dioxide and PM10 and PM2.5 particulate was measured close to busy roads throughout London in both central and suburban areas. The greatest PM10 concentrations were measured alongside the North Circular in Brent and the greatest nitrogen dioxide was measured in Knightsbridge.
‘Moderate’ PM10 particles were also measured in residential west London at the National Physical Laboratory in Teddington.
Further west, ‘moderate’ PM10 and PM2.5 particles were measured in Reading. ‘Moderate’ PM10 was also measured in Sussex alongside the A259 east of Bexhill-on-Sea and alongside the A2011 in Crawley. North of London, ‘moderate’ PM10 was measured alongside the A1 in Bedfordshire.
Outside the south east, ‘moderate’ PM10 and PM2.5 particles were measured in many cities in the eastern half of England.

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