South London incinerator plume at 03:20 on Wed, 25 Apr 2018
Estimated concentration of oxides of nitrogen (μg/m3):

Kingsley Primary Academy3.2
Harris Invictus Academy3
St Mary's High School2.8
St Mary's Infant School2.7
St Mary's Junior School2.5
Broad Green2.4
Ark Oval Primary Academy2.3
Chestnut Park Primary School2.3
Al-Khair School2.2
Tunstall Nursery School2
The Write Time1.5
Trinity School1.3
St John's Primary School1.1
Shirley High School Performing Arts College1.1
Coloma Convent Girls' School1
Davidson Primary Academy1
Harris Primary Academy1
Spring Park1
Forest Academy0.9
The Woodside Academy0.8
Oasis Academy Shirley Park0.8
West Wickham0.7
Coney Hall0.6
Robert Fitzroy Academy0.6
Elmwood Junior and Infant School0.6
Bethlem and Maudsley Hospital School0.5
Archbishop Tenison's High School0.5
Old Palace of John Whitgift School0.5
Edenham High School0.4
Orchard Way Primary School0.4
Upper Shirley0.4
Broadmead Primary Academy0.4
Park Hill Junior and Infant School0.3
The Cedars School0.3
Keston Mark0.3
West Thornton Primary Academy0.3
St Thomas Becket Primary School0.2
Cambridge Tutors College0.2
Educational Excellence and Wellbeing0.2
Wandle Park0.2
Selhurst Early Years Centre0.2
Monks Orchard School0.2
Monks Orchard0.2
Upper Elmers End0.2

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1g = 1000mg
1mg = 1000μg
1μg = 1000ng
1ng = 1000pg
1pg = 1000fg