Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:WD-wind direction
Station:1331 - Drouzkovice
Code:CZCVOZDRO
Institution:ORGREZ
Region:Severocesky
District:Chomutov
IHd: 150
Measure method:optoelectronic method
Unit:deg

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 135 133 227 227 229 246 237 246 259 201 195 105 159 136 57 139 258 97 196 273 320 140 210 160 81 138 206 240 268 261 321 196.86 321.04 31.00
2 74 271 266 194 266 250 198 249 263 277 240 270 265 271 263 258 267 237 216 150 236 141 292 264 276 226 251 251 ~ ~ ~ 238.64 292.29 28.00
3 259 241 231 244 268 232 236 287 298 227 77 226 277 308 133 280 307 293 291 278 281 175 71 161 101 115 230 122 57 90 140 210.75 308.13 31.00
4 258 243 162 223 229 190 159 261 183 93 224 288 308 176 111 249 203 249 276 212 265 88 106 235 197 75 117 156 94 81 ~ 190.31 307.50 30.00
5 126 245 288 305 275 231 266 170 105 78 106 110 42 80 124 137 114 208 327 312 306 283 269 261 254 206 144 63 186 174 185 192.79 326.88 31.00
6 270 146 237 239 81 148 233 210 200 143 187 275 317 183 257 249 270 272 275 300 206 293 255 271 141 100 193 270 259 214 ~ 223.05 316.88 30.00
7 285 315 276 280 274 258 242 287 260 274 253 225 248 259 260 253 234 253 254 206 193 196 237 ~ ~ ~ ~ ~ ~ ~ ~ 253.10 315.21 23.00
8 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
9 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
10 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 228 160 185 271 175 219 172 216 176 180 212 230 215 ~ ~ ~ ~ 203.04 271.25 13.00
11 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
12 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 232 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 232.17 232.17 1.00

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. 0 8 14 12 52 4 0 0 90 90 82 68 56 4 0 0 321
REL. 0.0 8.8 15.5 13.3 57.7 4.4 0.0 0.0 100.0 100.0 91.1 75.6 62.2 4.4 0.0 0.031.1
ID 0 8 15 26 288 111 0 0 451
ABS. 1 10 15 24 35 6 0 0 91 90 80 65 41 6 0 0 327
REL. 1.0 10.9 16.4 26.3 38.4 6.5 0.0 0.0 100.0 98.9 87.9 71.4 45.1 6.6 0.0 0.0 19.5
ID 1 10 16 52 192 164 0 0 438
ABS. 0 0 0 3 19 1 0 0 232 23 23 23 20 1 0 0 315
REL. 0.0 0.0 0.0 13.0 82.6 4.3 0.0 0.0100.0 100.0 100.0 100.0 87.0 4.3 0.0 0.0 2.7
ID 0 0 0 26 413 108 0 0 547
ABS. 0 0 0 10 4 0 0 0 142 14 14 14 4 0 0 0 271
REL 0.0 0.0 0.0 71.4 28.5 0.0 0.0 0.0100.0 100.0 100.0 100.0 28.6 0.0 0.0 0.018.10
ID 0 0 0 142 142 0 0 0 285
Year
ABS. 1 18 29 49 110 11 0 0 2181 217 199 170 121 11 0 0 327
REL. 0.4 8.2 13.3 22.4 50.4 5.0 0.0 0.0100.0 99.5 91.3 78.0 55.5 5.0 0.0 0.0 19.5
ID 8 13 44 252 126 0 0 445

Note:

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