Table 1.

Summary of the results in μg/m³ (except benzo(a)pyrene: ng/m³) of the air quality monitoring system of the Schiphol area in 2002

Pollutant	Unit	Limit	Location of monitoring station
			Badhoevedorp	Oude Meer	Hoofddorp
NO2	year average	40a	38	38	31
	maximum	200b	163	544(1x > 200)	124
CO	P98 (8 hours)	9000	112	100	88
	P99,9	40000	134	165	160
O3	maximum	240c	185	174	266 (2x > 240)
PM10	average (year)	40d,e	26	24	28
	maximum (24 hours)	50d,f	81 (13x > 50)	81 (8x > 50)	132 (22x > 50)
Benzene	year average	10	1.4	1.1	0.7
Black smoke	P98 (24 hours)	90g	42	48	34
Benzo(a)pyrene	year average	1	0.14

^a as of 1-1-2010

^b exceeding of the limit no more than 18 times per annum

^c exceeding of the limit not more than 48 hours

^d including factor 1.3

^e as of 1-1-2005

^f exceeding of the limit no more than 35 times per annum

^g the limit expired in July 2001

PM₁₀ = particulate matter <10 μm