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Division (B) Environmental objectives and reporting metrics

United Kingdom

Original text. Later amendments are not shown.

LV: limit value, LVMT: Limit value plus margin of tolerance, TV: target value, LTO: long-term objective, INT: Information threshold, ALT: Alert threshold, CL: Critical level, NAT: Assessment of natural contribution, WSS: Assessment of winter-sanding and -salting, ERT: Exposure reduction target, ECO: Exposure concentration obligation.

No up-to-date data is to be made available.

FormulaProtection targetEnvironmental Objective type (Codef1)Averaging period of assessmentsReporting metric of environmental objectiveNumerical values of the environmental objective(allowed number of exceedances)
Pollutants for which up-to-date and validated data have to be reported
NO2 HealthLV1 hourHours in exceedance in a calendar year200 μg/m3 (18)
LVMT
LV1 calendar yearAnnual average40 μg/m3
LVMT
ALT1 hourThree consecutive hours in exceedance (at locations representative of air quality over at least 100 km2 or an entire zone or agglomeration, which ever is smaller)400 μg/m3
NOx VegetationCL1 calendar yearAnnual average30 μg/m3
PM10 HealthLV1 dayDays in exceedance in a calendar year

50 μg/m3 (35)

Percentile of 90,4

LV1 calendar yearAnnual average40 μg/m3
WSSf2 1 dayDeducted days in exceedance in a calendar yearn.a.
1 calendar yearDeduction of annual averagen.a.
NAT 1 dayDeducted days in exceedance in a calendar yearn.a.
1 calendar yearDeduction of the annual averagen.a.
PM2,5 HealthECO3 subsequent calendar yearsAverage Exposure Indicator (calculation see Directive 2008/50/EC)20 μg/m3
ERTin accordance with Annex XIV, Part B to Directive 2008/50/EC
TV1 calendar yearAnnual average25 μg/m3
LV
LVMT
SO2 HealthLV1 hourHours in exceedance in a calendar year350 μg/m3 (24)
1 dayDays in exceedance in a calendar year125 μg/m3 (3)
ALT1 hourThree consecutive hours in exceedance (at locations representative of air quality over at least 100 km2 or an entire zone or agglomeration, which ever is smaller)500 μg/m3
NAT 1 hourDeducted hours in exceedance in a calendar yearn.a.
1 dayDeducted days in exceedance in a calendar yearn.a.
VegetationCL1 calendar yearAnnual average20 μg/m3
WinterAverage value over the winter months, i.e. 1 October year x-1 to 31 March year x20 μg/m3
O3 HealthTVMaximum daily eight-hour meanDays when maximum daily eight-hour mean exceeded the target value averaged over 3 years120 μg/m3 (25)
LTOMaximum daily eight-hour meanDays when maximum daily eight-hour mean exceeded the long term objective in 1 calendar year120 μg/m3
INT1 hourHours in exceedance in a calendar year180 μg/m3
ALT1 hourHours in exceedance in a calendar year240 μg/m3
VegetationTV1 May to 31 JulyAOT40 (calculation see Dir. 2008/50/EC Annex VII)18 000 μg/m3·h
LTO1 May to 31 JulyAOT40 (calculation see Dir. 2008/50/EC Annex VII)6 000 μg/m3 ·h
COHealthLVMaximum daily eight-hour meanDays when maximum daily eight-hour mean exceeded the limit value10 mg/m3
Pollutants for which only validated data have to be reported
BenzeneHealthLV1 calendar yearAnnual average5 μg/m3
LeadHealthLV1 calendar yearAnnual average0,5 μg/m3
CadmiumHealthTV1 calendar yearAnnual average5 ng/m3
ArsenicHealthTV1 calendar yearAnnual average6 ng/m3
X1Nickel Health TV 1 calendar year Annual average 20 ng/m 3
B(a)PHealthTV1 calendar yearAnnual average1 ng/m3

Annotations

Editorial notes

X1

Substituted by Corrigendum to Commission Implementing Decision 2011/850/EU of 12 December 2011 laying down rules for Directives 2004/107/EC and 2008/50/EC of the European Parliament and of the Council as regards the reciprocal exchange of information and reporting on ambient air quality (Official Journal of the European Union L 335 of 17 December 2011).

Footnotes

f1

LV: limit value, LVMT: Limit value plus margin of tolerance, TV: target value, LTO: long-term objective, INT: Information threshold, ALT: Alert threshold, CL: Critical level, NAT: Assessment of natural contribution, WSS: Assessment of winter-sanding and -salting, ERT: Exposure reduction target, ECO: Exposure concentration obligation.

f2

No up-to-date data is to be made available.