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

Hour
Index value Pollutant Index value Pollutant
0 8 NO2 9 NO2
1 7 NO2 8 O3
2 12 PM10 8 O3
3 12 PM10 12 PM10
4 14 NO2 10 NO2
5 28 NO2 14 NO2
6 46 NO2 17 NO2
7 32 NO2 20 NO2
8 30 NO2 18 NO2
9 27 NO2 21 O3
10 25 PM10 29 O3
11 25 PM10 31 O3
12 21 NO2 31 O3
13 21 NO2 31 O3
14 23 NO2 30 O3
15 28 NO2 32 O3
16 31 NO2 32 O3
17 25 NO2 29 O3
18 28 NO2 26 O3
19 22 NO2 21 O3
20 12 PM10 23 O3
21 12 PM10 24 O3
22 18 PM10 21 O3
23 18 PM10 19 O3

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

Back to Niort Air Quality Details

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