Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:WD-wind direction
Station:1296 - Mittelndorf
Code:DEPNLfMIT
Institution:LfUG
Region:Sasko-Dresden
District:Pirna
IHd: 150
Measure method:optoelectronic method
Unit:deg

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 153 162 188 ~ ~ ~ 204 250 281 164 160 151 156 149 155 177 236 159 206 299 335 112 159 117 84 203 148 242 244 244 248 192.36 334.96 28.00
2 141 164 251 152 132 181 202 228 150 202 205 262 287 280 255 243 279 191 254 164 158 148 269 284 285 224 233 ~ ~ ~ ~ 215.67 286.85 27.00
3 241 237 209 234 ~ ~ 250 301 295 196 145 236 274 318 145 290 314 291 298 309 249 156 84 92 152 152 205 183 138 154 129 216.51 318.42 29.00
4 204 164 164 202 186 179 173 268 94 133 172 297 254 172 150 172 140 300 269 148 190 136 139 195 171 144 158 178 150 126 ~ 180.93 299.83 30.00
5 128 193 275 304 255 212 170 139 132 112 120 70 60 40 122 97 97 178 291 250 288 294 253 230 197 163 122 146 208 149 155 175.82 303.60 31.00
6 235 156 171 192 113 146 224 170 157 202 91 299 241 101 216 253 241 264 279 299 ~ 268 274 282 207 172 159 211 201 201 ~ 207.67 298.84 29.00
7 245 ~ ~ ~ ~ ~ 274 286 273 238 248 206 225 253 211 202 189 247 207 146 ~ ~ ~ 192 142 113 183 263 223 219 193 216.41 286.19 23.00
8 128 279 212 254 270 205 184 194 202 124 124 150 198 206 140 189 152 270 227 172 203 264 228 252 255 206 269 259 ~ 265 ~ 209.59 278.72 29.00
9 ~ ~ ~ 138 ~ ~ ~ 153 166 163 145 238 218 193 257 ~ 251 305 ~ 94 95 75 97 128 143 137 134 244 220 77 ~ 166.89 305.07 22.00
10 73 60 145 128 67 71 77 ~ ~ ~ ~ 255 241 ~ ~ 189 192 190 161 225 163 166 171 185 219 246 211 249 252 262 212 176.32 261.54 25.00
11 243 205 182 209 223 253 191 137 149 212 270 161 152 149 291 ~ ~ ~ ~ ~ ~ ~ ~ 254 152 176 149 123 83 50 ~ 182.41 291.17 22.00
12 82 82 171 203 263 280 286 277 113 113 145 145 261 222 ~ ~ 126 139 222 ~ ~ ~ ~ ~ ~ ~ ~ 145 130 150 ~ 177.89 286.19 20.00

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 3 12 32 32 5 0 0 84 84 81 69 37 5 0 0 335
REL. 0.0 3.5 14.2 38.0 38.0 5.9 0.0 0.0 100.0 100.0 96.4 82.1 44.0 6.0 0.0 0.021.1
ID 0 3 14 76 190 148 0 0 433
ABS. 1 6 20 38 24 1 0 0 90 89 83 63 25 1 0 0 304
REL. 1.1 6.6 22.2 42.2 26.6 1.1 0.0 0.0 100.0 98.9 92.2 70.0 27.8 1.1 0.0 0.0 4.5
ID 1 6 22 84 133 27 0 0 275
ABS. 0 5 13 29 26 1 0 0 74 74 69 56 27 1 0 0 305
REL. 0.0 6.7 17.5 39.1 35.1 1.3 0.0 0.0100.0 100.0 93.2 75.7 36.5 1.4 0.0 0.0 18.9
ID 0 6 17 78 175 33 0 0 312
ABS. 1 8 16 25 17 0 0 0 67 66 58 42 17 0 0 0 291
REL 1.4 11.9 23.8 37.3 25.3 0.0 0.0 0.0100.0 98.5 86.6 62.7 25.4 0.0 0.0 0.015.11
ID 1 11 23 74 126 0 0 0 238
Year
ABS. 2 22 61 124 99 7 0 0 315 313 291 230 106 7 0 0 335
REL. 0.6 6.9 19.3 39.3 31.4 2.2 0.0 0.0100.0 99.4 92.4 73.0 33.7 2.2 0.0 0.0 21.1
ID 6 19 78 157 55 0 0 318

Note:

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