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 9 PM10
1 12 PM10 7 PM10
2 6 PM10 6 O3
3 8 PM10 7 PM10
4 8 PM10 5 O3
5 5 PM10 5 O3
6 7 PM10 5 O3
7 7 PM10 7 O3
8 15 PM10 11 PM10
9 18 PM10 16 PM10
10 26 PM10 31 PM10
11 17 PM10 17 PM10
12 22 PM10 13 PM10
13 22 PM10 18 PM10
14 21 PM10 20 PM10
15 24 PM10 19 PM10
16 21 PM10 12 O3
17 18 PM10 16 PM10
18 23 PM10 15 PM10
19 55 PM10 14 PM10
20 25 PM10 17 PM10
21 25 PM10 21 PM10
22 - -
23 - -

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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