Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
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 24 30 42 47 66 32 39 38 36 53 51 55 83 53 46 42 19 34 34 27 31 33 33 41 57 49 19 36 75 57 24 42.07 83.27 31.00
2 26 28 35 43 31 57 56 46 42 39 30 52 38 63 74 67 41 18 17 12 18 10 18 27 39 46 37 33 ~ ~ ~ 37.34 74.02 28.00
3 40 33 32 37 25 30 35 36 54 28 21 28 16 17 34 45 43 42 10 13 27 45 46 30 37 12 12 18 24 46 26 30.38 53.50 31.00
4 43 49 46 16 29 34 26 14 16 35 19 8.08 9 11 14 18 17 22 29 19 8.62 14 28 46 19 18 24 18 26 48 ~ 24.08 49.16 30.00
5 26 23 24 20 9 8.13 11 27 47 32 23 16 30 21 18 16 18 14 16 23 27 33 35 52 29 23 21 14 17 17 13 22.62 51.79 31.00
6 14 10 4.35 8.50 26 28 25 19 17 16 19 26 30 36 29 14 22 13 19 27 22 11 12 22 30 28 21 19 22 13 ~ 19.99 36.09 30.00
7 14 22 38 24 14 14 22 ~ 20 27 ~ 21 29 21 22 19 21 20 29 12 16 34 29 22 25 26 26 30 24 24 19 22.95 37.73 29.00
8 25 21 20 14 13 17 17 19 23 20 13 20 29 21 26 25 15 22 27 19 26 33 37 23 22 37 17 13 31 20 38 22.70 38.40 31.00
9 19 15 25 21 18 18 15 7.05 8.33 14 15 26 20 21 19 20 23 28 34 23 22 22 22 36 33 33 38 25 30 25 ~ 22.43 38.18 30.00
10 19 30 32 26 35 30 49 25 33 27 31 38 37 46 53 48 32 28 46 20 20 37 31 41 41 41 33 24 19 25 21 32.91 53.18 31.00
11 18 29 42 31 35 26 21 15 15 38 34 63 27 60 58 69 46 44 49 67 48 21 17 44 42 61 60 27 27 38 ~ 39.01 68.63 30.00
12 13 61 21 49 81 61 53 38 68 55 102 32 34 67 68 12 22 26 40 19 26 24 20 22 14 15 19 15 20 14 14 36.40 102.18 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. 40 46 4 0 0 0 0 0 90 50 4 0 0 0 0 0 83
REL. 44.4 51.1 4.4 0.0 0.0 0.0 0.0 0.0 100.0 55.6 4.4 0.0 0.0 0.0 0.0 0.013.1
ID 44 51 4 0 0 0 0 0 100
ABS. 80 11 0 0 0 0 0 0 91 11 0 0 0 0 0 0 52
REL. 87.9 12.0 0.0 0.0 0.0 0.0 0.0 0.0 100.0 12.1 0.0 0.0 0.0 0.0 0.0 0.0 24.5
ID 87 12 0 0 0 0 0 0 100
ABS. 82 8 0 0 0 0 0 0 90 8 0 0 0 0 0 0 38
REL. 91.1 8.8 0.0 0.0 0.0 0.0 0.0 0.0100.0 8.9 0.0 0.0 0.0 0.0 0.0 0.0 31.8
ID 91 8 0 0 0 0 0 0 100
ABS. 48 38 5 1 0 0 0 0 92 44 6 1 0 0 0 0 102
REL 52.1 41.3 5.4 1.0 0.0 0.0 0.0 0.0100.0 47.8 6.5 1.1 0.0 0.0 0.0 0.011.12
ID 52 41 5 2 0 0 0 0 101
Year
ABS. 250 103 9 1 0 0 0 0 363 113 10 1 0 0 0 0 102
REL. 68.8 28.3 2.4 0.2 0.0 0.0 0.0 0.0100.0 31.1 2.8 0.3 0.0 0.0 0.0 0.011.12
ID 68 28 2 0 0 0 0 100

Note:

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