Detailed overview of ambient air pollution valuis from individual stations

446 - PHA8-Sokolovska

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 446 - PHA8-Sokolovska
Code:CZ08HSSOK
Institution:Public Health Service
Region:Hlavni mesto Praha
District:Praha 8
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ ~ ~ ~ ~ 111 168 117 123 ~ ~ 137 180 162 154 170 ~ ~ 152 124 71 216 273 ~ ~ 322 331 361 308 219 194.68 361.00 19.00
2 ~ ~ 247 200 322 263 404 ~ ~ 222 197 195 80 285 ~ ~ 162 123 147 63 353 ~ ~ 118 119 208 224 135 ~ ~ ~ 203.35 404.00 20.00
3 ~ ~ 194 196 227 212 166 ~ ~ 217 287 236 222 159 ~ ~ 162 88 113 129 121 ~ ~ 215 224 202 144 137 ~ ~ ~ 182.55 287.00 20.00
4 296 345 162 181 ~ ~ 203 215 312 280 166 ~ ~ 237 ~ 164 296 197 ~ ~ 217 232 227 199 170 ~ ~ 129 188 211 ~ 220.33 345.00 21.00
5 253 ~ ~ ~ 125 98 212 ~ 149 ~ ~ 253 211 197 133 96 ~ ~ 229 201 169 237 148 ~ ~ 167 127 153 196 132 ~ 174.30 253.00 20.00
6 ~ 168 162 188 ~ 139 ~ ~ 179 133 215 212 75 ~ ~ 149 241 163 120 198 ~ ~ 158 226 153 154 168 ~ ~ 172 ~ 168.65 241.00 20.00
7 195 128 165 141 ~ ~ 137 97 132 98 131 ~ ~ 169 176 161 152 131 ~ ~ 228 259 191 179 183 ~ ~ 78 58 145 80 148.43 259.00 23.00
8 99 ~ ~ 191 263 238 168 224 ~ ~ ~ 210 263 315 183 ~ ~ ~ 220 132 169 169 ~ ~ 305 140 191 315 66 ~ ~ 203.21 315.00 19.00
9 202 248 235 238 191 ~ ~ 215 176 234 187 169 ~ ~ 270 216 357 512 38 ~ ~ 419 328 352 363 356 ~ ~ 409 308 ~ 273.77 512.00 22.00
10 211 137 157 ~ ~ 334 233 247 198 184 ~ ~ 238 202 397 283 251 ~ ~ 271 306 330 269 220 ~ ~ 275 ~ 297 206 129 244.32 397.00 22.00
11 ~ ~ 206 196 231 371 417 ~ ~ 336 ~ 440 245 238 ~ ~ 209 126 131 272 186 ~ ~ 123 121 134 116 138 ~ ~ ~ 222.95 440.00 19.00
12 41 47 61 66 152 ~ ~ ~ 132 180 151 205 ~ ~ 87 135 142 108 141 ~ ~ 308 178 ~ ~ ~ ~ ~ 134 217 162 139.32 308.00 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 1 3 15 15 18 6 1 591 59 58 55 40 25 7 1 404
REL. 0.0 1.6 5.0 25.4 25.4 30.5 10.1 1.6 100.0 100.0 98.3 93.2 67.8 42.4 11.9 1.77.2
ID 0 1 5 50 127 762 1271 1059 3277
ABS. 0 0 3 11 24 21 2 0 61 61 61 58 47 23 2 0 345
REL. 0.0 0.0 4.9 18.0 39.3 34.4 3.2 0.0 100.0 100.0 100.0 95.1 77.0 37.7 3.3 0.0 2.4
ID 0 0 4 36 196 860 409 0 1508
ABS. 0 3 5 9 19 16 9 3 64 64 61 56 47 28 12 3 512
REL. 0.0 4.6 7.8 14.0 29.6 25.0 14.0 4.6100.0 100.0 95.3 87.5 73.4 43.8 18.8 4.7 18.9
ID 0 4 7 28 148 625 1757 2929 5501
ABS. 0 4 1 15 10 21 7 2 60 60 56 55 40 30 9 2 440
REL 0.0 6.6 1.6 25.0 16.6 35.0 11.6 3.3100.0 100.0 93.3 91.7 66.7 50.0 15.0 3.312.11
ID 0 6 1 50 83 875 1458 2083 4558
Year
ABS. 0 8 12 50 68 76 24 6 244 244 236 224 174 106 30 6 512
REL. 0.0 3.2 4.9 20.4 27.8 31.1 9.8 2.4100.0 100.0 96.7 91.8 71.3 43.4 12.3 2.5 18.9
ID 0 3 4 40 139 778 1229 1536 3733

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