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

Hour
Index value Pollutant Index value Pollutant
0 11 NO2 20 PM10
1 23 PM10 11 PM10
2 26 PM10 9 NO2
3 37 PM10 10 NO2
4 19 PM10 14 PM10
5 20 NO2 45 PM10
6 35 NO2 27 PM10
7 51 NO2 29 PM10
8 76 PM10 45 PM10
9 67 PM10 78 PM10
10 30 PM10 65 PM10
11 22 PM10 50 PM10
12 17 PM10 31 O3
13 17 PM10 31 O3
14 26 PM10 27 O3
15 28 NO2 22 O3
16 31 NO2 16 NO2
17 34 NO2 19 NO2
18 30 NO2 19 NO2
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 Chamonix Air Quality Details

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