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O3: Ozone

Conversion mixing ratio to mass density (1 atm, 25 ºC): 1 ppb = 2.00 μg/m³

Air quality standards in Europe (in μg/m³):

limit value alert threshold
hourly average 180 240 1)
8-hour average 120 2)


Sensor boxes containing O3 sensors

1) When exceeded for 3 consecutive hours in an area of at least 100 km².
2) max. 25 days exceeding this limit value allowed per year
o3.txt · Last modified: 18-11-2016 14:34 by admin