Detailed overview of ambient air pollution valuis from individual stations


Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1191 - Kolin SAZ
Code:CZKOHSKSA
Institution:Public Health Service
Region:Stredocesky
District:Kolin
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 22 26 14 16 16 18 35 18 21 44 96 62 58 66 96 71 22 22 27 31 ~ 31 39 35 34 99 85 76 87 37 32 44.53 98.89 30.00
2 31 67 32 76 94 122 47 24 46 103 89 27 31 25 20 31 27 48 62 71 38 49 67 40 50 45 39 15 ~ ~ ~ 50.52 122.17 28.00
3 17 20 22 17 15 19 13 14 19 30 30 35 24 17 33 40 46 37 22 20 18 36 42 35 43 44 31 54 30 50 53 29.94 54.08 31.00
4 49 30 25 17 37 39 24 20 39 25 24 18 39 32 29 38 45 23 24 38 59 45 29 26 22 15 17 26 21 22 ~ 29.80 59.32 30.00
5 15 13 16 17 21 20 24 20 17 23 26 33 27 23 24 17 20 27 28 22 28 18 17 17 23 26 27 16 19 16 19 21.25 33.15 31.00
6 19 20 24 26 17 13 ~ 21 24 15 16 17 16 19 20 16 18 23 20 20 22 23 17 23 21 20 14 12 18 22 ~ 19.12 26.26 29.00
7 18 18 21 16 14 15 25 23 21 21 13 15 17 23 21 21 21 15 20 26 21 21 23 20 16 21 21 20 22 18 22 19.59 25.51 31.00
8 19 18 27 31 23 32 32 20 18 26 36 ~ 27 29 25 22 28 32 27 29 18 16 18 24 22 28 21 24 21 34 50 25.89 50.14 30.00
9 39 29 27 24 15 32 36 31 24 22 22 14 23 24 23 22 23 32 27 27 42 56 61 44 36 42 41 42 33 28 ~ 31.45 61.19 30.00
10 26 28 22 17 35 36 30 45 46 9 10 15 22 34 28 40 15 17 45 23 37 37 32 15 5.84 18 13 8.11 13 11 8.98 23.99 46.02 31.00
11 7.41 16 21 17 16 15 36 43 55 120 17 60 48 18 26 42 22 25 42 13 15 22 81 140 39 57 76 54 22 39 ~ 40.10 139.76 30.00
12 28 46 36 25 14 9 18 24 57 78 79 37 13 31 79 21 87 116 15 12 24 27 57 12 15 11 17 17 39 32 10 35.02 115.76 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. 43 33 11 2 0 0 0 0 89 46 13 2 0 0 0 0 122
REL. 48.3 37.0 12.3 2.2 0.0 0.0 0.0 0.0 100.0 51.7 14.6 2.2 0.0 0.0 0.0 0.06.2
ID 48 37 12 4 0 0 0 0 102
ABS. 80 10 0 0 0 0 0 0 90 10 0 0 0 0 0 0 59
REL. 88.8 11.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 11.1 0.0 0.0 0.0 0.0 0.0 0.0 21.4
ID 88 11 0 0 0 0 0 0 100
ABS. 78 13 0 0 0 0 0 0 91 13 0 0 0 0 0 0 61
REL. 85.7 14.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 14.3 0.0 0.0 0.0 0.0 0.0 0.0 23.9
ID 85 14 0 0 0 0 0 0 100
ABS. 57 26 6 3 0 0 0 0 92 35 9 3 0 0 0 0 140
REL 61.9 28.2 6.5 3.2 0.0 0.0 0.0 0.0100.0 38.0 9.8 3.3 0.0 0.0 0.0 0.024.11
ID 61 28 6 6 0 0 0 0 103
Year
ABS. 258 82 17 5 0 0 0 0 362 104 22 5 0 0 0 0 140
REL. 71.2 22.6 4.6 1.3 0.0 0.0 0.0 0.0100.0 28.7 6.1 1.4 0.0 0.0 0.0 0.024.11
ID 71 22 4 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