Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 929 - Litvinov
Code:CZMOHSLIT
Institution:Public Health Service
Region:Ustecky
District:Most
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 13 12 21 96 61 48 21 24 66 100 100 64 55 31 23 34 41 39 56 24 14 36 28 41 16 19 10 17 11 26 31 38.00 100.00 31.00
2 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
3 18 11 8.00 22 43 39 11 12 25 10 36 44 49 12 23 29 28 40 20 25 14 11 8.00 8.00 10 11 16 26 46 47 41 23.97 49.00 31.00
4 34 51 27 36 26 13 19 28 35 38 29 27 26 19 22 32 56 49 51 15 14 24 36 17 30 36 14 21 32 29 ~ 29.53 56.00 30.00
5 38 23 23 18 22 25 24 21 22 23 29 17 20 26 18 28 25 20 11 20 30 28 32 16 21 13 25 17 10 14 23 22.00 38.00 31.00
6 10 9.00 24 30 24 20 18 16 16 19 17 27 23 15 ~ ~ 21 27 31 13 19 17 20 17 15 25 23 13 10 19 ~ 19.21 31.00 28.00
7 27 28 30 16 17 28 12 34 29 17 18 30 21 15 11 21 29 14 10 12 24 14 23 19 16 30 24 19 22 23 34 21.52 34.00 31.00
8 34 16 37 18 17 24 14 19 28 22 18 13 9.00 9.00 17 18 15 15 27 28 27 30 34 26 24 26 25 30 41 33 31 23.39 41.00 31.00
9 10 22 19 40 33 28 47 31 34 35 17 20 29 13 10 24 19 23 46 43 19 16 24 12 26 29 15 18 31 57 ~ 26.33 57.00 30.00
10 61 58 64 32 26 13 15 18 36 27 33 25 26 73 58 73 50 29 25 20 72 92 50 33 67 9.00 18 10 30 45 53 40.03 92.00 31.00
11 49 35 26 32 22 51 50 54 25 24 54 63 97 74 118 114 28 105 27 38 54 63 44 42 61 111 65 44 44 43 ~ 55.23 118.00 30.00
12 28 49 57 106 66 26 41 43 52 56 74 50 82 50 33 48 112 32 56 78 114 63 80 44 37 26 48 49 74 83 26 57.52 114.00 31.00

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. 39 20 3 0 0 0 0 0 62 23 3 0 0 0 0 0 100
REL. 62.9 32.2 4.8 0.0 0.0 0.0 0.0 0.0 100.0 37.1 4.8 0.0 0.0 0.0 0.0 0.010.1
ID 62 32 4 0 0 0 0 0 100
ABS. 78 11 0 0 0 0 0 0 89 11 0 0 0 0 0 0 56
REL. 87.6 12.3 0.0 0.0 0.0 0.0 0.0 0.0 100.0 12.4 0.0 0.0 0.0 0.0 0.0 0.0 17.4
ID 87 12 0 0 0 0 0 0 100
ABS. 79 13 0 0 0 0 0 0 92 13 0 0 0 0 0 0 57
REL. 85.8 14.1 0.0 0.0 0.0 0.0 0.0 0.0100.0 14.1 0.0 0.0 0.0 0.0 0.0 0.0 30.9
ID 85 14 0 0 0 0 0 0 100
ABS. 30 42 13 7 0 0 0 0 92 62 20 7 0 0 0 0 118
REL 32.6 45.6 14.1 7.6 0.0 0.0 0.0 0.0100.0 67.4 21.7 7.6 0.0 0.0 0.0 0.015.11
ID 32 45 14 15 0 0 0 0 107
Year
ABS. 226 86 16 7 0 0 0 0 335 109 23 7 0 0 0 0 118
REL. 67.4 25.6 4.7 2.0 0.0 0.0 0.0 0.0100.0 32.5 6.9 2.1 0.0 0.0 0.0 0.015.11
ID 67 25 4 4 0 0 0 0 102

Note:

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