Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1029 - Straz nad Ohri
Code:CZKVCMSNO
Institution:Czech Hydrometeorological Institute
Region:Karlovarsky
District:Karlovy Vary
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 18 20 80 92 113 88 117 85 76 85 69 62 46 43 25 37 45 53 40 17 23 30 47 30 20 14 15 14 16 29 32 47.83 117.25 31.00
2 21 44 53 42 106 63 31 19 13 12 13 14 23 20 36 29 41 34 20 18 17 21 11 13 47 15 24 19 ~ ~ ~ 29.18 106.05 28.00
3 24 23 15 37 64 31 13 31 22 20 48 76 68 14 31 17 17 27 21 22 15 14 7.84 6.24 14 35 43 61 59 31 27 30.08 75.90 31.00
4 42 29 18 48 29 19 29 40 35 21 18 21 26 14 24 37 39 39 25 19 22 32 26 23 25 18 11 22 19 37 ~ 26.97 47.90 30.00
5 27 26 24 22 27 30 22 14 18 15 26 20 25 21 24 23 19 29 17 27 22 19 29 20 12 13 24 17 18 27 23 21.90 29.67 31.00
6 16 18 25 20 11 16 21 18 17 12 17 23 11 23 19 17 28 28 31 17 17 18 12 20 25 24 21 10 14 22 ~ 19.10 31.15 30.00
7 28 24 15 16 17 15 22 24 29 15 21 25 26 17 13 25 25 11 16 19 20 18 19 15 20 21 17 33 35 28 29 21.23 34.62 31.00
8 28 26 18 19 20 19 19 22 30 16 20 11 12 24 19 25 26 31 23 40 23 20 38 24 40 27 26 38 38 32 10 24.69 40.31 31.00
9 32 43 23 24 26 25 24 32 37 26 26 35 30 13 21 26 20 30 37 31 24 18 17 10 21 23 19 23 29 29 ~ 25.74 43.38 30.00
10 37 35 34 31 14 14 17 24 18 30 39 32 25 32 30 30 23 20 15 29 47 72 25 37 34 11 16 16 37 43 39 29.24 71.54 31.00
11 35 18 21 23 42 29 32 23 ~ ~ 30 49 49 64 72 67 30 43 24 36 46 37 24 36 35 80 51 47 49 32 ~ 40.16 80.20 28.00
12 31 41 57 81 50 36 44 48 46 34 48 35 43 34 29 51 103 43 65 61 115 50 47 26 24 21 31 47 35 33 20 46.03 115.38 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. 55 23 9 3 0 0 0 0 90 35 12 3 0 0 0 0 117
REL. 61.1 25.5 10.0 3.3 0.0 0.0 0.0 0.0 100.0 38.9 13.3 3.3 0.0 0.0 0.0 0.07.1
ID 61 25 10 6 0 0 0 0 103
ABS. 83 8 0 0 0 0 0 0 91 8 0 0 0 0 0 0 48
REL. 91.2 8.7 0.0 0.0 0.0 0.0 0.0 0.0 100.0 8.8 0.0 0.0 0.0 0.0 0.0 0.0 4.4
ID 91 8 0 0 0 0 0 0 100
ABS. 82 10 0 0 0 0 0 0 92 10 0 0 0 0 0 0 43
REL. 89.1 10.8 0.0 0.0 0.0 0.0 0.0 0.0100.0 10.9 0.0 0.0 0.0 0.0 0.0 0.0 2.9
ID 89 10 0 0 0 0 0 0 100
ABS. 39 45 4 2 0 0 0 0 90 51 6 2 0 0 0 0 115
REL 43.3 50.0 4.4 2.2 0.0 0.0 0.0 0.0100.0 56.7 6.7 2.2 0.0 0.0 0.0 0.021.12
ID 43 50 4 4 0 0 0 0 102
Year
ABS. 259 86 13 5 0 0 0 0 363 104 18 5 0 0 0 0 117
REL. 71.3 23.6 3.5 1.3 0.0 0.0 0.0 0.0100.0 28.7 5.0 1.4 0.0 0.0 0.0 0.0 7.1
ID 71 23 3 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