Air Quality Indicator sulphur dioxide (SO2)
for Stockholm County urban area.

Air quality indicator sulphur dioxide the latest 3 days
EMMA scale:
Extreme
Severe
Bad Arrow EU limit value for health protection, 24 hour mean concentrations
Very poor
Poor
Average
Good
Air quality indicator sulphur dioxide the latest 3 days
The indicator is based on hourly urban background monitoring and is automatically updated on the www every hour. The mean concentration for the last 24 hours is shown in the graph every hour. The hourly values are raw data.

The EMMA scale is proposed in the EC project EMMA as a common scale for air quality indicators. The limit between good and average air quality represents annual mean concentrations in Stockholm urban area.

Stockholm Air Quality Indicators, last hour:
Map regionSO2NO2O3COPM 10PSI
 City centre:- - --
 Urban area: -
 Rural area:- ---

Klick on the rectangles above to see latest three days of data for each air quality indicator