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 17 PM10 24 O3
1 17 PM10 22 O3
2 11 PM10 17 NO2
3 11 PM10 16 NO2
4 15 PM10 18 NO2
5 20 NO2 22 NO2
6 31 PM10 27 NO2
7 31 PM10 23 NO2
8 32 PM10 26 PM10
9 32 PM10 26 PM10
10 25 PM10 23 O3
11 25 PM10 24 O3
12 21 PM10 25 O3
13 21 PM10 26 O3
14 23 PM10 27 O3
15 23 PM10 25 O3
16 33 PM10 27 PM10
17 20 NO2 20 PM10
18 - -
19 - -
20 - -
21 - -
22 - -
23 - -

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

Back to Caen Air Quality Details

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