Detailed overview of ambient air pollution valuis from individual stations


Year: 1999
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1030 - Karlovy Vary
Code:CZKVCMKAV
Institution:Czech Hydrometeorological Institute
Region:Zapadocesky
District:Karlovy Vary
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 16 18 30 31 53 81 38 38 29 23 41 31 40 30 28 71 63 102 94 62 85 139 69 55 41 36 33 33 16 14 34 47.45 138.53 31.00
2 61 61 62 30 15 17 20 38 83 83 124 48 24 24 50 32 23 43 51 41 23 24 25 24 38 61 57 40 ~ ~ ~ 43.63 124.43 28.00
3 26 31 34 48 36 33 52 47 64 48 41 46 37 46 28 32 48 60 47 20 23 29 33 42 70 64 38 27 31 40 68 41.59 69.92 31.00
4 51 46 36 29 36 36 25 27 34 31 21 22 22 23 24 22 16 35 37 41 58 42 36 24 28 40 35 28 32 28 ~ 32.07 57.87 30.00
5 23 24 31 19 20 24 23 29 37 27 22 21 29 27 11 21 21 17 28 32 33 26 27 35 40 36 37 24 23 21 23 26.15 40.39 31.00
6 27 22 25 27 16 20 35 44 45 21 30 23 25 29 26 31 35 17 22 21 16 22 33 35 25 16 23 33 32 32 ~ 26.95 45.25 30.00
7 34 31 20 17 15 20 18 30 22 18 18 28 22 24 26 28 22 30 35 40 22 21 17 17 23 23 31 32 35 34 23 25.16 40.07 31.00
8 27 34 35 36 53 35 31 31 40 33 23 34 37 24 23 32 36 25 40 25 17 29 35 38 34 57 36 25 33 48 45 33.92 56.91 31.00
9 31 30 35 15 22 28 37 58 51 41 28 40 46 48 50 46 39 25 24 29 58 71 48 49 52 26 38 43 29 23 ~ 38.76 70.61 30.00
10 19 26 20 37 36 32 48 38 18 20 33 46 68 43 62 50 47 34 35 33 32 36 39 27 48 37 35 59 69 43 48 39.27 69.02 31.00
11 95 113 67 54 51 45 31 46 62 46 55 46 28 28 ~ 45 53 44 38 38 45 48 89 130 79 96 56 60 88 79 ~ 60.45 129.84 29.00
12 33 28 24 18 18 28 28 25 37 36 20 11 26 33 33 31 36 27 27 40 44 58 48 34 24 19 30 31 34 29 32 30.33 57.64 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. 35 43 9 3 0 0 0 0 90 55 12 3 0 0 0 0 139
REL. 38.8 47.7 10.0 3.3 0.0 0.0 0.0 0.0 100.0 61.1 13.3 3.3 0.0 0.0 0.0 0.022.1
ID 38 47 10 6 0 0 0 0 103
ABS. 67 24 0 0 0 0 0 0 91 24 0 0 0 0 0 0 58
REL. 73.6 26.3 0.0 0.0 0.0 0.0 0.0 0.0 100.0 26.4 0.0 0.0 0.0 0.0 0.0 0.0 21.4
ID 73 26 0 0 0 0 0 0 100
ABS. 51 40 1 0 0 0 0 0 92 41 1 0 0 0 0 0 71
REL. 55.4 43.4 1.0 0.0 0.0 0.0 0.0 0.0100.0 44.6 1.1 0.0 0.0 0.0 0.0 0.0 22.9
ID 55 43 1 0 0 0 0 0 100
ABS. 35 45 9 2 0 0 0 0 91 56 11 2 0 0 0 0 130
REL 38.4 49.4 9.8 2.1 0.0 0.0 0.0 0.0100.0 61.5 12.1 2.2 0.0 0.0 0.0 0.024.11
ID 38 49 9 4 0 0 0 0 102
Year
ABS. 188 152 19 5 0 0 0 0 364 176 24 5 0 0 0 0 139
REL. 51.6 41.7 5.2 1.3 0.0 0.0 0.0 0.0100.0 48.4 6.6 1.4 0.0 0.0 0.0 0.0 22.1
ID 51 41 5 2 0 0 0 0 101

Note:

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