Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:WD-wind direction
Station:1029 - Straz nad Ohri
Code:CZKVCMSNO
Institution:Czech Hydrometeorological Institute
Region:Karlovarsky
District:Karlovy Vary
IHd: 150
Measure method:optoelectronic method
Unit:deg

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 85 74 166 81 144 239 237 253 242 116 156 157 182 93 71 73 64 94 68 71 74 70 69 121 137 161 177 244 228 202 137 138.28 253.10 31.00
2 229 243 141 185 226 235 94 134 159 148 239 247 162 212 221 216 146 177 225 209 237 240 214 199 230 247 106 92 ~ ~ ~ 193.30 247.17 28.00
3 237 152 68 203 96 67 75 105 243 242 247 234 247 255 240 119 128 213 243 132 70 139 179 182 75 69 60 68 78 254 260 160.64 260.04 31.00
4 242 170 249 194 255 245 171 108 193 153 146 243 175 243 252 236 253 246 254 104 89 155 233 233 166 253 249 267 94 120 ~ 199.71 267.38 30.00
5 73 76 125 107 93 89 101 144 76 154 170 183 152 173 257 256 259 253 261 141 97 69 127 146 178 231 218 258 225 233 187 164.94 261.21 31.00
6 248 254 246 257 271 215 265 243 103 158 216 203 117 258 234 266 252 166 216 181 245 260 246 240 159 153 94 215 243 139 ~ 212.06 270.60 30.00
7 206 179 112 88 94 95 178 252 247 268 258 263 216 231 124 167 201 236 199 200 241 216 171 188 175 180 182 185 156 261 241 193.83 267.92 31.00
8 146 92 206 238 248 238 223 232 233 245 250 255 254 131 87 219 97 88 227 153 107 167 136 170 188 220 228 244 140 89 171 184.52 254.54 31.00
9 209 243 251 241 220 246 256 255 256 255 253 238 254 257 259 238 202 227 96 257 260 248 107 98 187 226 260 232 116 207 ~ 221.82 260.38 30.00
10 261 266 250 251 153 140 143 172 251 256 252 242 217 127 174 233 88 203 195 81 244 237 124 143 249 203 226 214 247 241 248 204.28 266.19 31.00
11 236 238 228 239 246 255 254 244 180 196 168 220 125 199 243 243 235 251 227 232 244 236 246 241 236 230 140 253 245 75 ~ 220.22 254.98 30.00
12 67 75 104 122 192 134 145 79 150 245 251 129 83 156 190 136 167 248 237 240 245 229 212 251 246 249 246 252 262 235 239 187.59 262.02 31.00

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 25 15 23 27 0 0 0 90 90 65 50 27 0 0 0 260
REL. 0.0 27.7 16.6 25.5 30.0 0.0 0.0 0.0 100.0 100.0 72.2 55.6 30.0 0.0 0.0 0.031.3
ID 0 27 16 51 150 0 0 0 245
ABS. 0 10 14 26 41 0 0 0 91 91 81 67 41 0 0 0 271
REL. 0.0 10.9 15.3 28.5 45.0 0.0 0.0 0.0 100.0 100.0 89.0 73.6 45.1 0.0 0.0 0.0 5.6
ID 0 10 15 57 225 0 0 0 308
ABS. 0 10 9 30 43 0 0 0 92 92 82 73 43 0 0 0 268
REL. 0.0 10.8 9.7 32.6 46.7 0.0 0.0 0.0100.0 100.0 89.1 79.3 46.7 0.0 0.0 0.0 10.7
ID 0 10 9 65 233 0 0 0 319
ABS. 0 7 14 18 53 0 0 0 92 92 85 71 53 0 0 0 266
REL 0.0 7.6 15.2 19.5 57.6 0.0 0.0 0.0100.0 100.0 92.4 77.2 57.6 0.0 0.0 0.0 2.10
ID 0 7 15 39 288 0 0 0 350
Year
ABS. 0 52 52 97 164 0 0 0 365 365 313 261 164 0 0 0 271
REL. 0.0 14.2 14.2 26.5 44.9 0.0 0.0 0.0100.0 100.0 85.8 71.5 44.9 0.0 0.0 0.0 5.6
ID 0 14 14 53 224 0 0 0 306

Note:

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