Legend :
Pollution Index Value
Very Low   0 / 25
Low   25 / 50
Medium   50 / 75
High   75 / 100
Very High   > 100
London Yesterday Details

Hour
Index value Pollutant Index value Pollutant
0 14 PM10 12 O3
1 13 PM10 11 O3
2 17 PM10 11 O3
3 20 PM10 16 PM10
4 19 PM10 10 PM10
5 22 PM10 14 PM10
6 25 PM10 21 PM10
7 27 PM10 15 PM10
8 12 PM10 14 O3
9 18 PM10 14 O3
10 26 PM10 16 O3
11 24 PM10 16 O3
12 37 PM10 15 O3
13 23 PM10 16 O3
14 14 PM10 15 O3
15 23 PM10 14 O3
16 20 PM10 14 O3
17 16 PM10 13 O3
18 17 PM10 14 O3
19 17 NO2 13 O3
20 18 NO2 12 O3
21 14 PM10 10 O3
22 18 NO2 10 NO2
23 15 PM10 12 NO2

NB: the pollutant with the highest value at a certain time determines the overall score of that time

Back to London Air Quality Details

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