Wisbech incinerator plume at 23:50 on Wed, 25 May 2022
Estimated concentration of oxides of nitrogen (μg/m3):

Tilney St Lawrence Community Primary School1.5
Tilney St Lawrence1.4
Terrington St John Primary School1
Eau Brink0.8
St John's Fen End0.7
Tilney cum Islington0.6
Wiggenhall St Germans0.6
Wiggenhall St Mary the Virgin0.4
Tilney Fen End0.3
The Smeeth0.2
Terrington St John0.2

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The map shows the distribution of pollution. The key below shows the concentration of oxides of nitrogen at each location.
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1g = 1000mg
1mg = 1000μg
1μg = 1000ng
1ng = 1000pg
1pg = 1000fg