Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1023 - Ceska Lipa
Code:CZCLCMCEL
Institution:CHMI
Region:Severocesky
District:Ceska Lipa
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 29 26 14 13 15 16 35 19 18 60 76 40 45 54 64 52 20 24 32 23 17 18 22 27 35 57 101 74 56 48 41 37.82 101.18 31.00
2 40 52 33 85 128 108 42 28 52 135 101 20 24 30 22 22 24 69 46 48 35 44 35 54 27 60 26 10 ~ ~ ~ 50.14 134.67 28.00
3 15 21 21 16 11 23 18 12 15 36 23 27 17 9 22 21 18 15 11 13 12 18 17 22 33 29 48 40 22 27 83 23.01 82.77 31.00
4 59 38 20 14 17 29 18 21 25 18 21 12 24 21 23 40 23 12 29 54 36 43 26 29 17 16 16 18 17 22 ~ 25.22 58.51 30.00
5 13 17 15 13 26 26 40 28 17 36 35 27 18 19 16 15 16 23 17 22 16 11 15 22 24 33 29 15 18 16 21 21.19 39.76 31.00
6 27 21 42 26 20 15 15 25 29 17 18 13 10 25 28 22 16 18 15 16 30 14 15 19 20 19 22 19 28 16 ~ 20.86 42.26 30.00
7 21 23 12 11 10 15 14 12 16 32 27 25 25 16 24 14 19 14 29 27 17 21 15 13 13 22 16 14 13 14 24 18.33 31.63 31.00
8 14 10 18 17 14 31 29 26 25 40 41 27 22 31 29 16 31 17 29 39 14 8.60 14 12 17 28 12 13 9 12 20 21.44 40.60 31.00
9 35 20 17 18 14 24 25 24 19 21 23 18 19 15 14 24 21 15 18 19 18 25 28 43 45 44 50 24 33 26 ~ 24.70 49.90 30.00
10 25 26 16 17 23 26 27 36 36 18 18 20 27 39 42 48 23 32 84 34 33 32 32 22 14 24 14 12 13 14 18 27.19 84.33 31.00
11 12 29 34 27 21 20 60 34 43 71 23 69 40 28 25 20 22 33 29 13 33 65 115 86 61 63 67 59 34 43 ~ 42.67 115.18 30.00
12 26 78 37 41 21 12 17 23 154 183 124 48 20 59 100 29 133 116 33 17 17 58 41 21 24 17 19 25 65 34 17 51.94 183.29 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. 53 27 5 5 0 0 0 0 90 37 10 5 0 0 0 0 135
REL. 58.8 30.0 5.5 5.5 0.0 0.0 0.0 0.0 100.0 41.1 11.1 5.6 0.0 0.0 0.0 0.010.2
ID 58 30 5 11 0 0 0 0 105
ABS. 81 10 0 0 0 0 0 0 91 10 0 0 0 0 0 0 59
REL. 89.0 10.9 0.0 0.0 0.0 0.0 0.0 0.0 100.0 11.0 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 89 10 0 0 0 0 0 0 100
ABS. 84 8 0 0 0 0 0 0 92 8 0 0 0 0 0 0 50
REL. 91.3 8.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 8.7 0.0 0.0 0.0 0.0 0.0 0.0 27.9
ID 91 8 0 0 0 0 0 0 100
ABS. 53 26 7 4 2 0 0 0 92 39 13 6 2 0 0 0 183
REL 57.6 28.2 7.6 4.3 2.1 0.0 0.0 0.0100.0 42.4 14.1 6.5 2.2 0.0 0.0 0.010.12
ID 57 28 7 8 10 0 0 0 113
Year
ABS. 271 71 12 9 2 0 0 0 365 94 23 11 2 0 0 0 183
REL. 74.2 19.4 3.2 2.4 0.5 0.0 0.0 0.0100.0 25.8 6.3 3.0 0.5 0.0 0.0 0.010.12
ID 74 19 3 4 2 0 0 0 104

Note:

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