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

Hour
Index value Pollutant Index value Pollutant
0 8 PM10 26 O3
1 4 PM10 1 NO2
2 2 NO2 33 O3
3 4 PM10 33 O3
4 6 PM10 33 O3
5 8 NO2 33 O3
6 18 NO2 32 O3
7 19 NO2 30 O3
8 20 NO2 30 O3
9 21 NO2 28 O3
10 22 NO2 29 O3
11 22 NO2 29 O3
12 24 NO2 28 O3
13 23 NO2 28 O3
14 27 NO2 28 O3
15 29 NO2 26 O3
16 31 NO2 24 O3
17 31 NO2 27 O3
18 20 NO2 30 O3
19 15 NO2 31 O3
20 11 PM10 31 O3
21 13 PM10 31 O3
22 2 NO2 32 O3
23 8 PM10 33 O3

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

Back to Brest Air Quality Details

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