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

Hour
Index value Pollutant Index value Pollutant
0 - 24 O3
1 - 23 O3
2 - 23 O3
3 - 19 O3
4 - 16 O3
5 - 15 NO2
6 - 20 O3
7 - 24 NO2
8 - 24 NO2
9 - 27 O3
10 - 27 O3
11 - 28 O3
12 - 28 O3
13 - 28 O3
14 - 27 O3
15 - 27 O3
16 - 25 O3
17 - 10 NO2
18 - -
19 - -
20 - -
21 - -
22 - 27 O3
23 - 26 O3

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

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