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Legend :
Pollution Index Value
Very Low   0 / 25
Low   25 / 50
Medium   50 / 75
High   75 / 100
Very High   > 100
Saint-Etienne Air Quality Details

Last Update: 09/21/2017 08:00 UTC

Pollutants
NO2 29 50
PM10 23 22
PM2.5 23 26
CO - -


Pollutants
NO2 25 28
O3 12 38
PM10 26 16
PM2.5 - -
SO2 - -
CO - -


See the evolution of Yesterday Index
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