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

Hour
Index value Pollutant Index value Pollutant
0 4 PM10 27 O3
1 3 PM10 27 O3
2 1 NO2 27 O3
3 3 PM10 27 O3
4 3 PM10 27 O3
5 5 NO2 25 O3
6 7 NO2 24 O3
7 12 NO2 23 O3
8 28 NO2 22 O3
9 27 NO2 21 O3
10 30 NO2 21 O3
11 24 NO2 22 O3
12 16 PM10 23 O3
13 17 NO2 24 O3
14 32 NO2 25 O3
15 35 NO2 21 NO2
16 33 NO2 24 NO2
17 29 NO2 28 NO2
18 41 NO2 27 NO2
19 - -
20 - -
21 - -
22 - -
23 - -

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

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