Detailed overview of ambient air pollution valuis from individual stations


Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1281 - Horni Police
Code:CZCLCMHPO
Institution:CHMI
Region:Severocesky
District:Ceska Lipa
IHd: 100
Measure method:guajacol (modif. Jakobs-Hochheiser) - spectrophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ ~ ~ ~ ~ 30 10 12 24 27 20 37 41 42 44 17 27 ~ ~ 11 44 18 26 28 46 72 53 50 38 34 32.65 72.00 23.00
2 38 ~ 40 48 66 90 33 27 68 50 79 17 18 19 16 21 22 25 27 26 21 ~ 22 15 19 28 30 26 ~ ~ ~ 34.27 90.00 26.00
3 11 14 18 5.00 8.00 15 11 14 16 26 ~ ~ ~ ~ 19 24 28 21 8.00 9.00 9.00 10 13 ~ 18 20 23 17 11 12 19 15.35 28.00 26.00
4 22 15 9.00 5.00 5.00 9.00 6.00 18 18 15 12 12 15 18 15 10 18 28 3.00 5.00 18 8.00 16 5.00 8.00 7.00 5.00 7.00 6.00 7.00 ~ 11.50 28.00 30.00
5 3.00 4.00 4.00 5.00 7.00 8.00 9.00 6.00 5.00 4.00 5.00 5.00 5.00 4.00 4.00 ~ ~ ~ 9.00 10 11 10 12 13 16 18 13 9.00 9.00 11 9.00 8.14 18.00 28.00
6 14 10 20 12 21 14 10 38 16 13 7.00 7.00 4.00 6.00 12 14 ~ 9.00 16 11 12 16 17 14 18 31 5.00 9.00 6.00 8.00 ~ 13.45 38.00 29.00
7 20 16 14 14 13 15 17 ~ 17 14 12 14 12 13 19 17 16 17 17 20 17 12 ~ 32 20 15 13 11 14 6.00 4.00 15.21 32.00 29.00
8 ~ ~ 16 14 20 23 18 16 9.00 15 18 21 20 19 19 17 23 21 19 20 19 8.00 11 10 19 16 9.00 6.00 10 6.00 18 15.86 23.00 29.00
9 13 18 15 13 28 15 16 20 22 21 23 18 24 21 ~ 27 12 8.00 11 7.00 4.00 12 18 21 22 14 15 23 17 15 ~ 17.00 28.00 29.00
10 20 12 9.00 7.00 16 13 20 20 24 9.00 13 5.00 14 14 15 18 10 4.00 24 10 13 15 36 13 35 7.00 17 11 11 11 ~ 14.87 36.00 30.00
11 9.00 19 15 14 19 15 23 26 28 25 15 28 23 14 18 13 14 19 20 12 23 51 58 77 42 53 44 45 22 40 ~ 27.47 77.00 30.00
12 23 44 27 15 20 6.00 14 17 99 144 99 62 ~ 46 41 19 7.00 79 23 17 18 36 30 16 13 17 11 9.00 32 17 8.00 33.63 144.00 30.00

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. 56 15 4 0 0 0 0 0 75 19 4 0 0 0 0 0 90
REL. 74.6 20.0 5.3 0.0 0.0 0.0 0.0 0.0 100.0 25.3 5.3 0.0 0.0 0.0 0.0 0.06.2
ID 74 20 5 0 0 0 0 0 100
ABS. 86 1 0 0 0 0 0 0 87 1 0 0 0 0 0 0 38
REL. 98.8 1.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 8.6
ID 98 1 0 0 0 0 0 0 100
ABS. 87 0 0 0 0 0 0 0 87 0 0 0 0 0 0 0 32
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 24.7
ID 100 0 0 0 0 0 0 0 100
ABS. 71 14 4 1 0 0 0 0 90 19 5 1 0 0 0 0 144
REL 78.8 15.5 4.4 1.1 0.0 0.0 0.0 0.0100.0 21.1 5.6 1.1 0.0 0.0 0.0 0.010.12
ID 78 15 4 2 0 0 0 0 101
Year
ABS. 300 30 8 1 0 0 0 0 339 39 9 1 0 0 0 0 144
REL. 88.4 8.8 2.3 0.2 0.0 0.0 0.0 0.0100.0 11.5 2.7 0.3 0.0 0.0 0.0 0.010.12
ID 88 8 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