Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 37 - Kopisty
Code:CZMOCMKOP
Institution:Czech Hydrometeorological Institute
Region:Ustecky
District:Most
IHd: 100
Measure method:guajacol (modif. Jakobs-Hochheiser) - spectrophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 15 55 90 135 89 40 42 52 45 75 55 39 24 26 29 38 45 23 15 20 31 36 31 24 16 13 15 20 36 44 55 41.06 135.00 31.00
2 48 54 65 64 43 22 19 17 10 15 16 18 34 70 43 66 50 24 25 29 36 15 13 45 27 27 23 12 ~ ~ ~ 33.21 70.00 28.00
3 18 10 39 57 35 14 36 30 31 68 49 53 9.00 23 34 31 36 22 23 18 16 13 9.00 15 16 47 45 49 48 31 36 31.00 68.00 31.00
4 29 24 29 21 18 23 37 26 21 16 16 19 14 22 31 32 40 25 22 18 34 26 22 28 22 18 27 31 34 25 ~ 25.00 40.00 30.00
5 22 20 19 20 26 26 24 21 21 26 23 24 23 24 27 22 20 21 23 25 24 20 20 17 21 21 15 13 20 22 18 21.55 27.00 31.00
6 18 29 30 15 21 23 15 27 19 16 24 16 17 14 15 24 29 31 16 20 15 21 28 23 26 22 12 13 18 29 ~ 20.87 31.00 30.00
7 21 19 15 21 20 20 27 30 18 28 28 18 17 20 28 23 14 13 22 20 20 24 18 18 27 23 23 18 24 35 30 22.00 35.00 31.00
8 22 25 22 22 24 26 26 26 17 19 15 14 8.00 23 22 20 20 22 25 20 17 22 19 19 22 20 23 26 31 18 19 21.10 31.00 31.00
9 18 24 31 26 27 31 28 37 25 20 23 32 17 13 19 17 21 19 25 13 18 10 12 28 19 20 10 20 26 32 ~ 22.03 37.00 30.00
10 33 28 15 14 11 18 19 16 19 16 18 22 21 31 37 23 5.00 34 32 40 32 22 30 33 12 15 14 29 34 36 33 23.94 40.00 31.00
11 16 20 2.00 19 34 33 22 15 36 28 35 38 32 37 36 28 45 24 37 29 38 26 31 38 33 36 22 28 26 25 ~ 28.97 45.00 30.00
12 29 32 24 27 22 30 28 53 67 55 58 56 31 23 35 43 28 58 23 42 35 27 32 23 23 35 34 26 31 26 34 35.16 67.00 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. 47 37 5 1 0 0 0 0 90 43 6 1 0 0 0 0 135
REL. 52.2 41.1 5.5 1.1 0.0 0.0 0.0 0.0 100.0 47.8 6.7 1.1 0.0 0.0 0.0 0.04.1
ID 52 41 5 2 0 0 0 0 101
ABS. 87 4 0 0 0 0 0 0 91 4 0 0 0 0 0 0 40
REL. 95.6 4.3 0.0 0.0 0.0 0.0 0.0 0.0 100.0 4.4 0.0 0.0 0.0 0.0 0.0 0.0 17.4
ID 95 4 0 0 0 0 0 0 100
ABS. 90 2 0 0 0 0 0 0 92 2 0 0 0 0 0 0 37
REL. 97.8 2.1 0.0 0.0 0.0 0.0 0.0 0.0100.0 2.2 0.0 0.0 0.0 0.0 0.0 0.0 8.9
ID 97 2 0 0 0 0 0 0 100
ABS. 63 28 1 0 0 0 0 0 92 29 1 0 0 0 0 0 67
REL 68.4 30.4 1.0 0.0 0.0 0.0 0.0 0.0100.0 31.5 1.1 0.0 0.0 0.0 0.0 0.0 9.12
ID 68 30 1 0 0 0 0 0 100
Year
ABS. 287 71 6 1 0 0 0 0 365 78 7 1 0 0 0 0 135
REL. 78.6 19.4 1.6 0.2 0.0 0.0 0.0 0.0100.0 21.4 1.9 0.3 0.0 0.0 0.0 0.0 4.1
ID 78 19 1 0 0 0 0 100

Note:

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