Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:WD-wind direction
Station: 192 - Chomutov
Code:CZCVOZCHO
Institution:Org. for the Rational. of Power Plants
Region:Severocesky
District:Chomutov
IHd: 150
Measure method:optoelectronic method
Unit:deg

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 79 145 101 217 231 231 245 237 170 63 131 216 170 229 218 221 120 161 136 173 239 166 165 105 209 240 205 113 115 95 178 171.88 245.00 31.00
2 185 263 238 233 269 255 207 225 224 255 103 62 60 119 209 237 284 252 180 270 229 232 266 244 233 251 244 234 ~ ~ ~ 216.41 283.96 28.00
3 216 238 259 169 243 238 260 257 78 160 222 209 193 143 123 94 192 228 238 287 220 221 229 258 200 239 132 65 190 217 201 200.61 287.08 31.00
4 179 161 239 253 273 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 221.11 273.26 5.00
5 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 244 243 233 271 243 64 64 124 131 178 271 263 203 241 177 180 176 182 229 232 197.47 271.25 20.00
6 195 136 233 231 ~ ~ ~ 249 237 154 250 158 122 137 86 161 215 285 259 229 197 268 275 195 150 162 163 236 214 218 ~ 200.54 285.21 27.00
7 254 260 211 111 203 211 192 132 46 45 55 154 244 248 259 228 220 194 204 226 251 261 251 270 170 107 131 148 147 165 168 186.01 270.21 31.00
8 163 173 181 180 235 221 240 214 221 231 263 ~ 254 208 254 243 256 203 232 258 258 227 201 211 189 200 166 199 183 208 261 217.65 263.13 30.00
9 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
10 225 247 222 231 225 256 246 217 219 223 238 267 225 248 223 212 165 78 58 58 52 82 181 128 207 227 248 ~ 186 225 216 194.37 266.88 30.00
11 215 157 246 151 105 214 235 204 157 83 73 119 223 144 159 158 218 232 184 171 207 213 202 215 179 224 173 154 181 187 ~ 179.43 246.04 30.00
12 223 227 265 214 215 ~ ~ ~ 199 243 199 210 229 219 231 254 210 228 229 226 234 135 69 76 132 142 199 183 248 161 ~ 199.98 264.79 27.00

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 13 31 38 0 0 0 90 90 82 69 38 0 0 0 287
REL. 0.0 8.8 14.4 34.4 42.2 0.0 0.0 0.0 100.0 100.0 91.1 76.7 42.2 0.0 0.0 0.020.3
ID 0 8 14 68 211 0 0 0 303
ABS. 0 3 5 20 24 0 0 0 521 52 49 44 24 0 0 0 285
REL. 0.0 5.7 9.6 38.4 46.1 0.0 0.0 0.0 100.0 100.0 94.2 84.6 46.2 0.0 0.0 0.0 18.6
ID 0 5 9 76 230 0 0 0 323
ABS. 2 1 6 28 24 0 0 0 61 59 58 52 24 0 0 0 270
REL. 3.2 1.6 9.8 45.9 39.3 0.0 0.0 0.0100.0 96.7 95.1 85.2 39.3 0.0 0.0 0.0 24.7
ID 3 1 9 91 196 0 0 0 303
ABS. 0 9 7 47 24 0 0 0 87 87 78 71 24 0 0 0 267
REL 0.0 10.3 8.0 54.0 27.5 0.0 0.0 0.0100.0 100.0 89.7 81.6 27.6 0.0 0.0 0.012.10
ID 0 10 8 108 137 0 0 0 264
Year
ABS. 2 21 31 126 110 0 0 0 290 288 267 236 110 0 0 0 287
REL. 0.6 7.2 10.6 43.4 37.9 0.0 0.0 0.0100.0 99.3 92.1 81.4 37.9 0.0 0.0 0.0 20.3
ID 7 10 86 189 0 0 0 295

Note:

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