Detailed overview of ambient air pollution valuis from individual stations

1005 - Most

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1005 - Most
Code:CZMOCMMOS
Institution:CHMI
Region:Severocesky
District:Most
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 89 109 51 72 69 96 90 74 68 108 125 55 107 166 176 224 201 159 140 155 124 47 79 170 114 37 147 54 34 26 28 102.99 223.88 31.00
2 44 118 107 61 45 53 199 104 75 58 32 48 24 43 19 21 57 78 26 25 ~ 48 155 136 24 22 29 69 ~ ~ ~ 63.86 198.95 27.00
3 94 39 46 66 129 78 128 152 93 151 124 136 33 36 30 25 53 49 53 48 56 39 27 41 81 60 36 15 14 14 44 64.21 151.66 31.00
4 107 120 47 19 24 23 73 53 111 37 ~ ~ ~ 24 23 25 55 32 18 73 81 39 74 41 41 38 49 32 28 24 ~ 48.63 119.70 27.00
5 ~ 24 51 48 30 19 41 23 20 44 50 31 43 60 35 35 26 25 54 31 23 32 ~ ~ ~ ~ ~ 55 20 19 24 34.59 59.91 25.00
6 26 39 55 48 27 60 20 21 50 47 48 67 38 21 17 25 34 ~ 25 24 17 20 19 26 39 28 37 30 17 20 ~ 32.60 67.19 29.00
7 31 26 37 33 20 10 21 30 42 46 49 41 45 34 ~ ~ 27 25 12 15 25 61 48 54 30 17 19 56 49 53 34 34.21 61.41 29.00
8 30 54 79 95 39 42 31 51 39 48 35 61 79 34 26 29 45 64 57 57 70 82 66 63 74 65 81 27 24 35 80 53.59 94.74 31.00
9 73 54 49 66 55 47 21 19 16 24 68 58 26 43 ~ ~ 140 88 61 66 98 133 56 84 116 79 34 117 116 37 ~ 65.84 139.84 28.00
10 35 15 20 23 74 126 109 55 27 30 20 18 33 35 45 105 161 162 193 99 ~ 122 50 20 19 29 85 98 149 122 58 71.24 192.75 30.00
11 116 70 31 49 117 207 152 126 82 189 99 83 49 98 80 37 47 29 54 184 107 87 79 78 55 85 74 84 91 68 ~ 90.24 207.04 30.00
12 52 55 61 31 43 42 53 82 92 51 46 33 16 26 35 51 27 34 86 70 71 108 87 48 21 17 22 81 52 142 92 55.77 141.63 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. 17 30 15 16 9 2 0 0 89 72 42 27 11 2 0 0 224
REL. 19.1 33.7 16.8 17.9 10.1 2.2 0.0 0.0 100.0 80.9 47.2 30.3 12.4 2.2 0.0 0.016.1
ID 19 33 16 35 50 56 0 0 212
ABS. 42 31 5 3 0 0 0 0 81 39 8 3 0 0 0 0 120
REL. 51.8 38.2 6.1 3.7 0.0 0.0 0.0 0.0 100.0 48.1 9.9 3.7 0.0 0.0 0.0 0.0 2.4
ID 51 38 6 7 0 0 0 0 103
ABS. 26 43 14 5 0 0 0 0 88 62 19 5 0 0 0 0 140
REL. 29.5 48.8 15.9 5.6 0.0 0.0 0.0 0.0100.0 70.5 21.6 5.7 0.0 0.0 0.0 0.0 17.9
ID 29 48 15 11 0 0 0 0 105
ABS. 21 25 26 12 6 1 0 0 91 70 45 19 7 1 0 0 207
REL 23.0 27.4 28.5 13.1 6.5 1.0 0.0 0.0100.0 76.9 49.5 20.9 7.7 1.1 0.0 0.0 6.11
ID 23 27 28 26 32 27 0 0 165
Year
ABS. 106 129 60 36 15 3 0 0 349 243 114 54 18 3 0 0 224
REL. 30.3 36.9 17.1 10.3 4.2 0.8 0.0 0.0100.0 69.6 32.7 15.5 5.2 0.9 0.0 0.0 16.1
ID 30 36 17 20 21 21 0 0 148

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station