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 13 PM10 14 O3
1 12 PM10 14 O3
2 9 PM10 14 O3
3 10 PM10 14 O3
4 10 PM10 15 O3
5 15 PM10 19 PM10
6 23 PM10 25 PM10
7 33 PM10 19 PM10
8 31 PM10 27 PM10
9 24 PM10 17 PM10
10 17 PM10 13 O3
11 14 NO2 13 O3
12 16 NO2 12 O3
13 17 NO2 16 PM10
14 19 PM10 9 O3
15 19 PM10 7 PM10
16 24 PM10 11 O3
17 19 NO2 9 O3
18 20 NO2 12 PM10
19 18 NO2 13 PM10
20 17 PM10 14 PM10
21 16 PM10 13 O3
22 13 PM10 14 PM10
23 12 PM10 12 PM10

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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