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

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

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

Back to Blois Air Quality Details

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