Air Quality in Basel :reference_period


This data insight summarizes the air quality conditions of the previous day, measured at the NCBN monitoring station in Binningen, and compares them to historical trends. The underlying data originates from continuous measurements recorded since 2020, with hourly values aggregated to daily mean, minimum, and maximum levels for the purpose of this report. This insight is published if any of the monitored contaminants exceeds the historic 95th percentile level.

Air Quality Parameters

Parameter Unit Description
mean_o3 µg/m³ Daily mean concentration of ozone
min_o3 µg/m³ Daily minimum concentration of ozone
max_o3 µg/m³ Daily maximum concentration of ozone
mean_no2 µg/m³ Daily mean concentration of nitrogen dioxide
min_no2 µg/m³ Daily minimum concentration of nitrogen dioxide
max_no2 µg/m³ Daily maximum concentration of nitrogen dioxide
mean_pm2_5 µg/m³ Daily mean concentration of fine particulate matter (PM2.5)
min_pm2_5 µg/m³ Daily minimum concentration of fine particulate matter (PM2.5)
max_pm2_5 µg/m³ Daily maximum concentration of fine particulate matter (PM2.5)
mean_cpc_1 1/cm³ Daily mean particle number concentration (Condensation Particle Counter)
min_cpc_1 1/cm³ Daily minimum particle number concentration (CPC)
max_cpc_1 1/cm³ Daily maximum particle number concentration (CPC)
mean_ec µg/m³ Daily mean concentration of elemental carbon
min_ec µg/m³ Daily minimum concentration of elemental carbon
max_ec µg/m³ Daily maximum concentration of elemental carbon
mean_rad W/m² Daily mean global solar radiation
min_rad W/m² Daily minimum global solar radiation
max_rad W/m² Daily maximum global solar radiation
mean_so2 µg/m³ Daily mean concentration of sulfur dioxide
min_so2 µg/m³ Daily minimum concentration of sulfur dioxide
max_so2 µg/m³ Daily maximum concentration of sulfur dioxide
mean_nox_eq_no2 µg/m³ Daily mean of nitrogen oxides (NOₓ) expressed as NO₂ equivalent
min_nox_eq_no2 µg/m³ Daily minimum of NOₓ expressed as NO₂ equivalent
max_nox_eq_no2 µg/m³ Daily maximum of NOₓ expressed as NO₂ equivalent

For additional information, visit the Open Data platform of Basel-Stadt or the Umweltbericht beider Basel.


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