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

Hour
Index value Pollutant Index value Pollutant
0 13 PM10 22 O3
1 15 PM10 21 O3
2 13 PM10 19 O3
3 13 PM10 19 O3
4 14 PM10 19 O3
5 14 PM10 20 O3
6 14 NO2 17 O3
7 14 NO2 16 O3
8 13 NO2 16 O3
9 15 NO2 14 O3
10 15 NO2 15 O3
11 13 NO2 23 O3
12 9 NO2 24 O3
13 12 NO2 24 O3
14 13 NO2 22 O3
15 12 NO2 21 O3
16 22 NO2 23 O3
17 28 NO2 23 O3
18 - -
19 - -
20 21 PM10 19 O3
21 9 PM10 23 O3
22 6 PM10 25 O3
23 6 PM10 23 O3

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

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