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

Hour
Index value Pollutant Index value Pollutant
0 - 15 O3
1 - 14 NO2
2 - 15 NO2
3 - 18 NO2
4 - 20 NO2
5 - 19 NO2
6 - 22 NO2
7 - 25 NO2
8 - 26 NO2
9 - 22 NO2
10 - 23 NO2
11 - 20 NO2
12 - 13 NO2
13 - 14 O3
14 - 17 NO2
15 - 23 NO2
16 - 25 NO2
17 - 29 NO2
18 - -
19 - -
20 - 22 O3
21 - 21 O3
22 - 19 O3
23 - 19 O3

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

Back to Rouen Air Quality Details

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