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

Hour
Index value Pollutant Index value Pollutant
0 19 NO2 12 O3
1 17 NO2 18 PM10
2 22 PM10 15 PM10
3 18 NO2 12 PM10
4 21 NO2 13 NO2
5 39 PM10 14 NO2
6 49 PM10 18 PM10
7 38 PM10 15 PM10
8 34 PM10 16 O3
9 17 PM10 19 O3
10 20 PM10 23 O3
11 20 PM10 25 O3
12 24 PM10 25 O3
13 12 NO2 24 O3
14 16 NO2 23 O3
15 - -
16 17 NO2 20 O3
17 32 NO2 17 O3
18 36 NO2 16 O3
19 44 PM10 16 PM10
20 28 NO2 16 PM10
21 25 NO2 13 PM10
22 22 NO2 17 PM10
23 26 PM10 13 PM10

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

Back to Prague Air Quality Details

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