Detailed overview of ambient air pollution valuis from individual stations

805 - Pha10-Vrsovice

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 805 - Pha10-Vrsovice
Code:CZ10CMVRS
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 10
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 138 148 95 91 68 100 173 280 130 62 38 25 160 286 270 234 239 133 90 264 167 120 182 223 118 65 166 130 137 126 79 146.44 285.81 31.00
2 73 123 173 106 101 116 219 130 102 104 79 68 47 88 55 52 124 82 76 69 60 68 119 115 54 70 63 114 ~ ~ ~ 94.70 218.85 28.00
3 110 54 98 89 170 145 184 176 151 192 181 176 88 70 45 39 56 79 85 45 77 45 42 106 93 89 57 28 26 28 78 93.58 191.95 31.00
4 98 ~ 52 32 36 25 62 94 261 212 98 76 144 109 31 33 69 59 24 53 101 66 58 71 51 67 62 74 74 46 ~ 77.24 261.21 29.00
5 69 79 70 64 69 55 84 50 49 62 80 47 48 97 84 66 35 36 69 70 62 68 46 60 55 73 40 29 35 25 24 58.08 97.37 31.00
6 43 62 61 140 109 122 68 56 60 77 76 101 53 34 44 42 91 81 64 51 32 61 58 50 105 88 66 45 39 49 ~ 67.59 140.27 30.00
7 59 57 56 37 26 19 32 ~ ~ 55 60 36 44 77 48 76 57 30 22 30 61 45 62 76 58 26 33 52 55 51 65 48.44 77.23 29.00
8 67 38 48 75 57 43 53 49 39 51 66 69 82 87 40 28 39 84 75 91 85 62 45 65 80 101 104 84 72 45 85 64.75 103.68 31.00
9 125 127 101 111 80 47 43 63 42 67 108 94 47 54 109 127 117 134 66 67 98 150 105 88 146 144 68 115 140 114 ~ 96.56 149.93 30.00
10 67 33 53 48 84 222 153 104 63 63 39 48 80 78 100 107 142 155 137 109 129 155 125 64 36 50 99 153 201 176 99 102.34 221.99 31.00
11 136 127 124 131 182 340 487 154 152 256 271 184 106 96 85 48 60 81 168 264 316 123 138 129 132 117 132 168 144 101 ~ 165.14 486.89 30.00
12 101 76 84 52 89 91 98 164 235 92 105 87 38 82 56 78 73 88 172 93 199 259 173 69 39 42 49 72 85 150 195 106.03 258.57 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. 4 17 24 24 13 8 0 0 90 86 69 45 21 8 0 0 286
REL. 4.4 18.8 26.6 26.6 14.4 8.8 0.0 0.0 100.0 95.6 76.7 50.0 23.3 8.9 0.0 0.014.1
ID 4 18 26 53 72 222 0 0 397
ABS. 9 44 27 8 0 2 0 0 90 81 37 10 2 2 0 0 261
REL. 10.0 48.8 30.0 8.8 0.0 2.2 0.0 0.0 100.0 90.0 41.1 11.1 2.2 2.2 0.0 0.0 9.4
ID 10 48 30 17 0 55 0 0 162
ABS. 9 41 22 18 0 0 0 0 90 81 40 18 0 0 0 0 150
REL. 10.0 45.5 24.4 20.0 0.0 0.0 0.0 0.0100.0 90.0 44.4 20.0 0.0 0.0 0.0 0.0 22.9
ID 10 45 24 40 0 0 0 0 120
ABS. 1 17 25 22 17 7 2 1 92 91 74 49 27 10 3 1 487
REL 1.0 18.4 27.1 23.9 18.4 7.6 2.1 1.0100.0 98.9 80.4 53.3 29.3 10.9 3.3 1.1 7.11
ID 1 18 27 47 92 190 271 679 1328
Year
ABS. 23 119 98 72 30 17 2 1 362 339 220 122 50 20 3 1 487
REL. 6.3 32.8 27.0 19.8 8.2 4.6 0.5 0.2100.0 93.6 60.8 33.7 13.8 5.5 0.8 0.3 7.11
ID 6 32 27 39 41 117 69 172 506

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