Tab. 2.2.2 The limit values for the protection of health pursuant to the Government Order No. 350/2002 Coll. setting forth limit values and procedures of monitoring, assessment, evaluation and management of air quality

Component

Averaging time

Limit value
[μg.m-3]
LV

Margin of tolerance
for 2004
[μg.m-3]
MT

Assessment threshold [μg.m-3]

Date for achieving LV

Upper
UAT

Lower
LAT

SO2

1 hour

350,
max. 24x/year

30

–

–

1. 1. 2005

24 hours

125,
max. 3x/year

–

75,
max. 3x per year

50,
max. 3x per year

1. 1. 2005

calendar year

50

–

–

–

2002

PM10

24 hours

50,
max. 35x/year

5

30,
max. 7x per year

20,
max. 7x per year

1. 1. 2005

calendar year

40

1.6

14

10

1. 1. 2005

NO2

1 hour

200,
max. 18x/year

60

140,
max. 18x/year

100,
max. 18x/year

1. 1. 2010

calendar year

40

12

32

26

1. 1. 2010

Pb

calendar year

0.5

0.1

0.35

0.25

1. 1. 2005

CO

max. 8-hour
average

10 000

1 700

7 000

5 000

1. 1. 2005

benzene

calendar year

5

3.75

3.5

2

1. 1. 2010

O3

max. daily 8-hour moving average

120,
25x* in a 3-year
average

–

120**

–

1. 1. 2010

Cd

calendar year

0.005

0.001

0.003

0.002

1. 1. 2005

As

calendar year

0.006

0.0045

0.0036

0.0024

1. 1. 2010

Ni

calendar year

0.02

0.012

0.014

0.01

1. 1. 2010

Hg

calendar year

0.050

–

0.045

0.035

1. 1. 2010

BaP

calendar year

0.001

0.006

0.0005

0.00025

1. 1. 2010

NH3

24 hours

100

20

14

8

1. 1. 2005

* for ozone this level is called target air pollution limit value
** long-term air pollution target according to the Regulation