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 - 16 O3
1 - 15 O3
2 - 13 O3
3 - 8 O3
4 - 8 O3
5 - 6 NO2
6 - 10 PM10
7 - 13 PM10
8 - 15 PM10
9 - 18 PM10
10 - 31 O3
11 - 39 O3
12 - 42 O3
13 - 44 O3
14 - 45 O3
15 - 45 O3
16 - 46 O3
17 - 45 O3
18 - 46 O3
19 - 36 O3
20 - 23 PM10
21 - 27 NO2
22 - 25 PM10
23 - -

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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