Detailed overview of ambient air pollution valuis from individual stations

1029 - Straz nad Ohri

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1029 - Straz nad Ohri
Code:CZKVCMSNO
Institution:CHMI
Region:Zapadocesky
District:Karlovy Vary
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 87 88 45 65 64 85 81 70 41 103 67 56 122 165 216 223 224 207 125 176 92 42 76 117 71 33 90 53 70 52 27 97.88 224.13 31.00
2 62 63 88 53 32 34 63 71 73 63 34 28 20 38 27 19 42 45 27 34 23 39 48 42 19 20 34 51 ~ ~ ~ 42.59 88.33 28.00
3 56 34 45 57 55 52 80 57 60 60 82 74 51 36 27 17 23 29 29 24 29 29 17 37 63 43 29 11 14 17 33 40.94 82.04 31.00
4 50 53 ~ 21 24 ~ ~ ~ 61 38 19 21 24 22 19 18 35 22 26 35 46 39 46 45 37 30 32 27 28 23 ~ 32.31 61.43 26.00
5 26 36 36 30 33 16 22 32 16 25 33 28 36 52 40 29 26 19 30 20 21 25 33 21 40 31 17 26 15 19 37 28.11 52.15 31.00
6 25 42 33 38 37 44 22 26 38 35 39 33 30 21 29 21 33 25 31 30 14 15 17 26 28 30 37 36 28 34 ~ 29.96 43.94 30.00
7 32 26 30 29 14 11 14 22 28 33 39 27 ~ 28 26 25 39 24 18 14 30 31 21 21 20 22 22 30 38 32 24 25.74 39.11 30.00
8 26 25 36 37 41 36 42 31 30 32 33 37 28 41 21 25 44 48 32 55 36 36 34 36 49 47 42 23 19 26 43 35.14 55.22 31.00
9 31 53 49 31 37 27 19 16 15 40 42 34 26 42 46 62 59 42 41 32 52 70 49 84 85 55 47 51 54 42 ~ 44.36 84.58 30.00
10 35 15 31 26 56 70 66 46 21 25 24 21 21 42 34 58 86 73 60 65 75 83 77 24 32 27 69 72 92 68 46 49.66 91.89 31.00
11 67 81 44 41 57 81 98 85 52 132 72 56 55 80 46 65 51 32 34 58 101 85 61 48 53 73 69 82 88 60 ~ 66.92 132.42 30.00
12 36 48 37 43 41 49 45 66 98 42 36 30 21 31 32 45 24 26 54 44 63 107 82 33 19 15 22 32 29 49 60 43.73 106.53 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. 25 38 17 4 2 4 0 0 90 65 27 10 6 4 0 0 224
REL. 27.7 42.2 18.8 4.4 2.2 4.4 0.0 0.0 100.0 72.2 30.0 11.1 6.7 4.4 0.0 0.017.1
ID 27 42 18 8 11 111 0 0 220
ABS. 59 28 0 0 0 0 0 0 87 28 0 0 0 0 0 0 61
REL. 67.8 32.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 32.2 0.0 0.0 0.0 0.0 0.0 0.0 9.4
ID 67 32 0 0 0 0 0 0 100
ABS. 46 42 3 0 0 0 0 0 91 45 3 0 0 0 0 0 85
REL. 50.5 46.1 3.2 0.0 0.0 0.0 0.0 0.0100.0 49.5 3.3 0.0 0.0 0.0 0.0 0.0 25.9
ID 50 46 3 0 0 0 0 0 100
ABS. 24 41 24 3 0 0 0 0 92 68 27 3 0 0 0 0 132
REL 26.0 44.5 26.0 3.2 0.0 0.0 0.0 0.0100.0 73.9 29.3 3.3 0.0 0.0 0.0 0.010.11
ID 26 44 26 6 0 0 0 0 103
Year
ABS. 154 149 44 7 2 4 0 0 360 206 57 13 6 4 0 0 224
REL. 42.7 41.3 12.2 1.9 0.5 1.1 0.0 0.0100.0 57.2 15.8 3.6 1.7 1.1 0.0 0.0 17.1
ID 42 41 12 3 2 27 0 0 130

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station