Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 446 - Pha8-Sokolovska
Code:CZ08HSSOK
Institution:Public Health Service
Region:Prague
District:Praha 8
IHd: 100
Measure method:triethanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ 34 91 ~ ~ 149 146 207 146 90 ~ ~ 77 129 114 102 50 ~ ~ 49 439 171 101 62 ~ ~ 161 41 107 181 126.05 439.00 21.00
2 265 ~ ~ 110 133 280 249 148 ~ ~ 85 375 474 253 163 ~ ~ 421 266 130 410 199 ~ ~ 165 113 89 180 ~ ~ ~ 225.40 474.00 20.00
3 99 ~ ~ 230 104 170 102 228 ~ ~ 174 378 248 141 79 ~ ~ 112 112 154 154 151 ~ ~ 196 303 224 359 212 ~ ~ 187.14 378.00 21.00
4 ~ 200 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 77 54 ~ ~ 226 ~ ~ 157 ~ ~ 142.80 226.00 5.00
5 ~ 73 ~ ~ ~ 36 11 ~ 80 43 ~ ~ 61 83 79 88 55 ~ ~ 29 26 30 45 41 ~ ~ 25 121 104 143 76 62.45 143.00 20.00
6 ~ ~ 76 51 ~ 34 20 ~ ~ 82 102 112 70 96 ~ ~ 53 37 26 ~ 45 ~ ~ 26 74 41 24 26 ~ ~ ~ 55.28 112.00 18.00
7 69 17 13 45 ~ ~ ~ 232 143 106 155 130 ~ ~ 138 137 179 209 155 ~ ~ 82 64 87 52 51 ~ ~ 75 38 51 101.27 232.00 22.00
8 56 73 ~ ~ 34 70 65 64 70 ~ ~ 24 ~ ~ 59 73 ~ ~ 23 97 44 90 153 ~ ~ 42 223 124 95 74 ~ 77.65 223.00 20.00
9 ~ 160 178 144 130 116 ~ ~ 106 135 108 97 85 ~ ~ 84 82 97 98 109 ~ ~ 58 67 70 140 85 ~ ~ 350 ~ 119.00 350.00 21.00
10 97 186 122 49 ~ ~ 84 112 78 49 50 ~ ~ 54 311 92 120 104 ~ ~ 186 223 151 143 146 ~ ~ ~ 167 279 219 137.36 311.00 22.00
11 213 ~ ~ 86 41 89 57 34 ~ ~ 106 39 197 161 151 ~ ~ 113 89 81 62 93 ~ ~ 210 203 143 91 146 ~ ~ 114.52 213.00 21.00
12 ~ 202 215 156 106 140 ~ ~ 35 56 136 67 127 ~ ~ 137 134 153 121 130 ~ ~ 111 ~ ~ ~ 98 ~ ~ 193 195 132.21 215.00 19.00

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. 0 5 7 18 13 11 4 4 62 62 57 50 32 19 8 4 474
REL. 0.0 8.0 11.2 29.0 20.9 17.7 6.4 6.4 100.0 100.0 91.9 80.6 51.6 30.6 12.9 6.513.2
ID 0 8 11 58 104 443 806 4032 5464
ABS. 10 13 12 5 2 1 0 0 431 33 20 8 3 1 0 0 226
REL. 23.2 30.2 27.9 11.6 4.6 2.3 0.0 0.0 100.0 76.7 46.5 18.6 7.0 2.3 0.0 0.0 26.4
ID 23 30 27 23 23 58 0 0 186
ABS. 4 14 21 14 6 3 1 0 63 59 45 24 10 4 1 0 350
REL. 6.3 22.2 33.3 22.2 9.5 4.7 1.5 0.0100.0 93.7 71.4 38.1 15.9 6.3 1.6 0.0 30.9
ID 6 22 33 44 47 119 198 0 471
ABS. 0 11 12 19 11 8 1 0 62 62 51 39 20 9 1 0 311
REL 0.0 17.7 19.3 30.6 17.7 12.9 1.6 0.0100.0 100.0 82.3 62.9 32.3 14.5 1.6 0.015.10
ID 0 17 19 61 88 322 201 0 711
Year
ABS. 14 43 52 56 32 23 6 4 2301 216 173 121 65 33 10 4 474
REL. 6.0 18.6 22.6 24.3 13.9 10.0 2.6 1.7100.0 93.9 75.2 52.6 28.3 14.3 4.3 1.7 13.2
ID 6 18 22 48 69 250 326 1086 1828

Note:

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