Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:WD-wind direction
Station:1006 - Vyskov
Code:CZLNCMVYS
Institution:CHMI
Region:Severocesky
District:Louny
IHd: 150
Measure method:optoelectronic method
Unit:deg

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 125 155 221 201 206 229 222 218 246 158 196 132 204 145 136 201 256 136 210 139 225 49 154 138 105 131 202 229 236 232 225 182.63 255.65 31.00
2 112 196 229 154 191 224 210 243 194 188 200 212 267 246 228 252 218 213 256 151 213 188 242 242 259 212 232 246 ~ ~ ~ 214.92 266.98 28.00
3 245 224 221 228 256 216 229 272 272 226 111 246 259 298 162 266 299 289 289 260 216 114 111 107 135 147 212 136 119 133 176 208.77 299.44 31.00
4 186 209 173 211 203 194 167 241 122 124 177 241 257 173 144 177 165 273 259 210 211 107 132 222 182 94 129 118 112 99 ~ 177.02 272.58 30.00
5 100 215 267 315 255 213 204 99 145 167 111 123 83 101 106 62 123 171 190 259 246 291 260 229 193 200 111 97 111 147 151 172.46 314.96 31.00
6 223 156 209 201 94 131 197 154 211 196 192 287 272 126 234 234 254 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 198.33 286.88 17.00

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- 50 51- 100 101- 150 151- 225 226- 300 301- 450 451- 600 over 600 50 100 150 225 300 450 600
ABS. 1 0 19 37 33 0 0 0 90 89 89 70 33 0 0 0 299
REL. 1.1 0.0 21.1 41.1 36.6 0.0 0.0 0.0 100.0 98.9 98.9 77.8 36.7 0.0 0.0 0.017.3
ID 1 0 21 82 183 0 0 0 287
ABS. 0 7 20 33 17 1 0 0 78 78 71 51 18 1 0 0 315
REL. 0.0 8.9 25.6 42.3 21.7 1.2 0.0 0.0 100.0 100.0 91.0 65.4 23.1 1.3 0.0 0.0 4.5
ID 0 8 25 84 108 32 0 0 260
ABS. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
ABS. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
Year
ABS. 1 7 39 70 50 1 0 0 1681 167 160 121 51 1 0 0 315
REL. 0.5 4.1 23.2 41.6 29.7 0.5 0.0 0.0100.0 99.4 95.2 72.0 30.4 0.6 0.0 0.0 4.5
ID 4 23 83 148 14 0 0 275

Note:

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