Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 37 - Kopisty
Code:CZMOCMKOP
Institution:CHMI
Region:Severocesky
District:Most
IHd: 100
Measure method:guajacol (modif. Jakobs-Hochheiser) - spectrophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 36 29 17 19 14 23 29 20 24 34 42 44 37 38 33 33 24 30 27 26 20 17 19 21 22 35 55 48 37 36 34 29.77 55.00 31.00
2 27 42 32 47 59 45 39 24 42 56 45 21 26 27 23 31 24 33 26 27 32 52 25 26 32 37 35 25 ~ ~ ~ 34.29 59.00 28.00
3 19 31 32 4.00 10 21 21 14 24 19 10 17 15 4.00 4.00 12 28 27 18 20 19 20 25 29 29 34 29 25 29 34 59 22.00 59.00 31.00
4 40 34 27 12 17 25 28 39 34 32 29 22 28 29 32 41 32 24 25 35 39 36 38 32 33 28 25 24 21 3.00 ~ 28.80 41.00 30.00
5 15 22 19 14 31 30 37 36 33 40 35 25 26 37 31 19 22 35 46 20 23 ~ 21 25 30 29 28 5.00 11 16 22 26.10 46.00 30.00
6 41 54 68 67 17 16 7.00 23 45 34 51 37 38 60 54 40 44 51 41 48 38 17 36 32 41 17 16 15 26 17 ~ 36.37 68.00 30.00
7 16 33 15 12 5.00 12 25 34 23 25 18 22 24 26 34 32 20 16 24 31 21 21 12 7.00 12 27 7.00 32 32 29 22 21.58 34.00 31.00
8 17 22 23 9.00 10 33 43 27 38 30 52 30 19 32 34 25 21 12 16 33 15 9.00 13 18 26 15 27 22 17 26 51 24.68 52.00 31.00
9 28 19 15 20 9.00 15 20 36 33 21 29 28 62 42 42 43 38 40 41 39 40 57 38 60 49 168 98 59 57 35 ~ 42.70 168.00 30.00
10 31 26 12 32 50 67 41 57 56 29 36 43 51 23 14 67 45 23 37 67 54 102 81 55 28 70 31 29 27 24 23 42.94 102.00 31.00
11 21 45 33 27 42 45 66 48 44 39 12 32 14 9.00 8.00 7.00 14 40 19 17 23 49 112 97 17 30 23 19 9.00 6.00 ~ 32.23 112.00 30.00
12 7.00 13 7.00 12 5.00 6.00 8.00 7.00 21 34 10 10 20 17 40 25 74 79 21 14 15 28 24 18 15 8.00 18 30 24 11 3.00 20.13 79.00 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. 64 26 0 0 0 0 0 0 90 26 0 0 0 0 0 0 59
REL. 71.1 28.8 0.0 0.0 0.0 0.0 0.0 0.0 100.0 28.9 0.0 0.0 0.0 0.0 0.0 0.05.2
ID 71 28 0 0 0 0 0 0 100
ABS. 55 33 2 0 0 0 0 0 90 35 2 0 0 0 0 0 68
REL. 61.1 36.6 2.2 0.0 0.0 0.0 0.0 0.0 100.0 38.9 2.2 0.0 0.0 0.0 0.0 0.0 3.6
ID 61 36 2 0 0 0 0 0 100
ABS. 66 24 1 0 1 0 0 0 92 26 2 1 1 0 0 0 168
REL. 71.7 26.0 1.0 0.0 1.0 0.0 0.0 0.0100.0 28.3 2.2 1.1 1.1 0.0 0.0 0.0 26.9
ID 71 26 1 0 5 0 0 0 104
ABS. 60 22 8 2 0 0 0 0 92 32 10 2 0 0 0 0 112
REL 65.2 23.9 8.6 2.1 0.0 0.0 0.0 0.0100.0 34.8 10.9 2.2 0.0 0.0 0.0 0.023.11
ID 65 23 8 4 0 0 0 0 102
Year
ABS. 245 105 11 2 1 0 0 0 364 119 14 3 1 0 0 0 168
REL. 67.3 28.8 3.0 0.5 0.2 0.0 0.0 0.0100.0 32.7 3.8 0.8 0.3 0.0 0.0 0.0 26.9
ID 67 28 3 1 1 0 0 0 101

Note:

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