Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1025 - Litomerice-Mlekojedy
Code:CZLTCMLIM
Institution:Czech Hydrometeorological Institute
Region:Ustecky
District:Litomerice
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 16 9 19 56 81 88 163 102 63 50 58 48 46 47 32 31 40 35 37 19 29 40 49 29 23 14 19 19 23 44 47 44.35 163.23 31.00
2 57 55 47 94 120 40 35 27 23 16 27 16 21 23 31 19 46 43 22 20 14 25 10 14 33 48 20 27 ~ ~ ~ 34.81 120.39 28.00
3 23 17 13 56 55 58 ~ 33 27 27 51 64 57 11 21 21 27 66 30 21 19 10 8.48 7.14 14 13 25 46 62 47 23 31.76 65.56 30.00
4 52 29 20 24 16 10 32 33 30 15 19 20 22 22 28 58 46 51 23 17 17 38 24 26 30 21 13 29 28 32 ~ 27.44 57.72 30.00
5 15 18 27 18 17 17 16 15 14 14 24 14 21 18 14 22 15 11 12 15 13 13 15 17 10 21 17 18 13 14 12 16.13 27.29 31.00
6 10 14 20 16 11 10 10 9 12 15 15 14 14 15 16 17 18 18 16 11 13 14 11 13 15 22 13 10 8.57 12 ~ 13.73 22.06 30.00
7 ~ 13 13 12 15 9 15 18 12 9 17 12 7.62 6.19 10 12 19 10 12 14 13 11 19 15 14 23 14 20 19 13 14 13.72 22.74 30.00
8 17 14 16 12 17 13 11 16 12 8.50 9 10 7.09 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 12.49 16.68 13.00

Quarterly and annual absolute and relative frequency of average daily concentrations
partial and total air pollution indexes according to classes of IHd multiples

Quarter

concentration classes in IHd multiples

total ind.

part of it in IHd multiples

max.
date

<=1/3 <=2/3 <=1.0 <=1.5 <=2.0 <=3.0 <=4.0 > 1/32/31.01.52.0 3.04.0

concentration classes in measurement units

part of above IHd multiples in meas. units

0- 33 34- 67 68- 100 101- 150 151- 200 201- 300 301- 400 over 400 33 67 100 150 200 300 400
ABS. 51 32 3 2 1 0 0 0 89 38 6 3 1 0 0 0 163
REL. 57.3 35.9 3.3 2.2 1.1 0.0 0.0 0.0 100.0 42.7 6.7 3.4 1.1 0.0 0.0 0.07.1
ID 57 35 3 4 5 0 0 0 106
ABS. 86 5 0 0 0 0 0 0 91 5 0 0 0 0 0 0 58
REL. 94.5 5.4 0.0 0.0 0.0 0.0 0.0 0.0 100.0 5.5 0.0 0.0 0.0 0.0 0.0 0.0 16.4
ID 94 5 0 0 0 0 0 0 100
ABS. 43 0 0 0 0 0 0 0 431 0 0 0 0 0 0 0 23
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 26.7
ID 100 0 0 0 0 0 0 0 100
ABS. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
Year
ABS. 180 37 3 2 1 0 0 0 2231 43 6 3 1 0 0 0 163
REL. 80.7 16.5 1.3 0.8 0.4 0.0 0.0 0.0100.0 19.3 2.7 1.3 0.4 0.0 0.0 0.0 7.1
ID 80 16 1 1 2 0 0 0 102

Note:

1 frequency < 60 per quarter, or < 240 per annum
2 frequency < 30 per quarter, or < 120 per annum