Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:WD-wind direction
Station:1019 - Hradek n.Nisou
Code:CZLBCMHRN
Institution:Czech Hydrometeorological Institute
Region:Liberecky
District:Liberec
IHd: 150
Measure method:optoelectronic method
Unit:deg

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 104 95 97 116 131 140 130 197 141 152 242 279 210 128 127 138 122 112 116 123 114 113 105 115 125 146 134 121 208 283 305 150.67 304.69 31.00
2 224 182 220 258 147 129 111 135 243 202 128 154 306 238 181 192 184 256 276 280 274 280 271 224 138 198 140 136 ~ ~ ~ 203.76 305.63 28.00
3 152 182 148 191 266 125 124 126 147 167 173 183 190 199 149 179 319 150 230 215 123 180 122 238 321 130 105 145 155 181 150 176.27 321.00 31.00
4 152 153 184 186 195 145 211 184 188 135 284 263 297 221 147 180 215 177 165 116 274 312 214 164 166 164 162 166 168 139 ~ 190.83 312.29 30.00
5 194 151 160 305 333 330 294 216 99 98 265 98 150 136 147 159 181 238 209 205 240 102 117 173 215 130 259 255 264 224 237 199.52 332.92 31.00
6 228 209 222 277 227 183 189 193 150 219 212 180 147 132 172 186 174 299 297 157 178 238 272 237 227 179 149 240 237 199 ~ 207.04 299.40 30.00
7 294 257 124 96 163 136 165 217 210 162 ~ 188 183 194 289 317 267 157 158 278 245 128 136 189 292 253 195 109 162 183 198 198.16 316.96 30.00
8 246 157 177 166 186 185 193 189 169 184 219 166 162 162 153 166 203 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 255 243 152 ~ 186.59 255.33 20.00
9 263 204 162 195 294 220 246 297 200 217 191 233 157 150 147 236 280 ~ 132 159 163 160 197 291 317 235 157 169 186 147 ~ 207.06 316.71 29.00
10 170 166 214 187 150 141 151 153 156 178 186 138 117 141 141 175 141 171 132 132 163 206 226 146 143 134 131 178 195 173 215 162.92 226.17 31.00
11 271 ~ 217 179 201 176 175 223 272 178 144 174 238 241 187 212 150 144 298 216 168 226 274 258 172 136 145 167 139 133 ~ 197.06 298.28 29.00
12 158 152 149 ~ 145 263 293 315 179 204 ~ 256 227 254 286 307 304 240 229 222 135 178 206 150 174 187 158 189 235 222 255 216.26 315.27 29.00

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 2 41 28 15 4 0 0 90 90 88 47 19 4 0 0 321
REL. 0.0 2.2 45.5 31.1 16.6 4.4 0.0 0.0 100.0 100.0 97.8 52.2 21.1 4.4 0.0 0.025.3
ID 0 2 45 62 83 111 0 0 304
ABS. 0 3 14 47 23 4 0 0 91 91 88 74 27 4 0 0 333
REL. 0.0 3.2 15.3 51.6 25.2 4.3 0.0 0.0 100.0 100.0 96.7 81.3 29.7 4.4 0.0 0.0 5.5
ID 0 3 15 103 126 109 0 0 358
ABS. 0 1 8 48 20 2 0 0 79 79 78 70 22 2 0 0 317
REL. 0.0 1.2 10.1 60.7 25.3 2.5 0.0 0.0100.0 100.0 98.7 88.6 27.8 2.5 0.0 0.0 16.7
ID 0 1 10 121 126 63 0 0 322
ABS. 0 0 22 45 19 3 0 0 89 89 89 67 22 3 0 0 315
REL 0.0 0.0 24.7 50.5 21.3 3.3 0.0 0.0100.0 100.0 100.0 75.3 24.7 3.4 0.0 0.0 8.12
ID 0 0 24 101 106 84 0 0 316
Year
ABS. 0 6 85 168 77 13 0 0 349 349 343 258 90 13 0 0 333
REL. 0.0 1.7 24.3 48.1 22.0 3.7 0.0 0.0100.0 100.0 98.3 73.9 25.8 3.7 0.0 0.0 5.5
ID 0 1 24 96 110 93 0 0 325

Note:

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