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

Hour
Index value Pollutant Index value Pollutant
0 - 19 O3
1 - 18 O3
2 - 17 O3
3 - 15 O3
4 - 13 O3
5 - 12 PM10
6 - 18 NO2
7 - 22 NO2
8 - 21 NO2
9 - 17 PM10
10 - 19 PM10
11 - 22 O3
12 - 23 O3
13 - 23 O3
14 - 22 O3
15 - 24 O3
16 - 23 PM10
17 - 21 O3
18 - 15 NO2
19 - 18 PM10
20 - 22 O3
21 - 20 O3
22 - 16 PM10
23 - 17 O3

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

Back to Laval Air Quality Details

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