SCHEDULE 1 Limit Values, Margins of Tolerance etc.

PART II NITROGEN DIOXIDE (NO2) AND OXIDES OF NITROGEN (NOx)

Minimum details to be made available to the public when the alert threshold for nitrogen dioxide is exceeded
2.3 Details to be made available to the public should include at least:
the date, hour and place of the occurrence and the reasons for the occurrence, where known;
any forecasts of:
changes in concentration (improvement, stabilisation, or deterioration), together with the reasons for those changes;
the geographical area concerned;
the duration of the occurrence;
the type of population potentially sensitive to the occurrence; and
the precautions to be taken by the sensitive population concerned.