# Commission Regulation (EC) No 1737/2006 of 7 November 2006 laying down detailed rules for the implementation of Regulation (EC) No 2152/2003 of the European Parliament and of the Council concerning monitoring of forests and environmental interactions in the Community, Division V: Parameters

Extent: E+W+S+N.I.

The following parameters are part of the optional ambient air quality monitoring.
Compounds
Parameters
Comment
Gaseous compounds
O3, SO2, NO2, NO, HNO3, HNO2, NH3, VOC
With regard to direct effect on vegetation, ozone is in most areas in Europe the most important pollutant.
Particulate compounds
SO4 2-, NO3-, NH4+, base cations
For calculating the dry deposition of particulate compounds, measurements should preferably be made with consideration to particle size distribution.
Only when active sampling.
O3
NH3
NO2
SO2
mean concentration
X
X
X
X
max. concentration
X
X
X
X
AOT 40
X

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Source: https://www.legislation.gov.uk/eur/2006/1737/annex/I/chapter/10/division/V (the official version)
Page: https://openlegislation.uk/eu-regulation-2006-1737/annex-I/chapter-10/division-V
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.