Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:WD-wind direction
Station:1105 - Plzen-Doubravka
Code:CZPMCMDOU
Institution:Czech Hydrometeorological Institute
Region:Zapadocesky
District:Plzen-mesto
IHd: 150
Measure method:optoelectronic method
Unit:deg

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 221 224 224 214 184 184 215 ~ ~ 52 100 138 165 140 146 220 249 290 308 227 263 153 44 176 189 211 209 204 211 224 201 192.63 308.06 29.00
2 180 218 201 181 176 161 180 221 235 201 134 169 215 222 215 211 234 191 220 174 159 207 192 210 241 176 131 190 201 ~ ~ 194.68 241.15 29.00
3 207 239 214 257 242 207 218 224 253 230 246 67 198 248 ~ 274 154 95 127 229 110 199 143 105 160 227 46 110 57 232 189 183.47 273.62 30.00
4 209 105 56 95 56 97 202 52 55 43 108 185 204 130 184 117 224 119 201 98 164 118 108 245 147 78 54 100 78 124 ~ 125.24 244.56 30.00
5 71 47 45 130 46 70 85 139 76 102 42 33 40 57 92 186 178 209 213 214 191 228 181 162 208 90 193 206 215 140 161 130.64 228.19 31.00
6 156 182 128 144 154 243 229 36 48 52 102 150 105 125 273 256 79 148 107 168 163 234 206 232 238 264 211 175 202 222 ~ 167.76 273.31 30.00
7 193 127 195 200 236 168 88 198 204 201 199 237 221 213 ~ 186 185 243 238 234 237 132 124 148 186 216 193 219 237 223 184 195.43 242.71 30.00
8 166 212 206 153 39 92 245 197 190 189 151 128 78 193 203 162 193 132 166 152 224 82 44 200 140 48 81 199 177 60 76 147.69 244.88 31.00
9 200 217 222 257 233 199 211 188 161 117 98 149 208 152 48 201 174 65 50 38 131 107 47 68 69 86 130 51 57 50 ~ 132.81 256.92 30.00
10 190 133 48 101 177 232 237 196 129 138 138 94 ~ 37 58 ~ 194 51 121 49 ~ 67 197 194 209 217 219 162 197 154 207 148.04 236.69 28.00
11 205 144 131 208 124 88 139 134 156 215 136 64 52 179 179 110 200 197 135 71 203 100 79 152 171 220 169 169 158 115 ~ 146.74 220.21 30.00
12 119 82 211 147 134 155 80 69 187 202 207 207 210 212 219 219 214 161 43 56 61 81 180 97 37 62 82 194 130 219 188 144.02 219.48 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. 2 4 11 52 18 1 0 0 88 86 82 71 19 1 0 0 308
REL. 2.2 4.5 12.5 59.0 20.4 1.1 0.0 0.0 100.0 97.7 93.2 80.7 21.6 1.1 0.0 0.019.1
ID 2 4 12 118 102 28 0 0 268
ABS. 9 20 20 32 10 0 0 0 91 82 62 42 10 0 0 0 273
REL. 9.8 21.9 21.9 35.1 10.9 0.0 0.0 0.0 100.0 90.1 68.1 46.2 11.0 0.0 0.0 0.0 15.6
ID 9 21 21 70 54 0 0 0 179
ABS. 6 16 12 47 10 0 0 0 91 85 69 57 10 0 0 0 257
REL. 6.5 17.5 13.1 51.6 10.9 0.0 0.0 0.0100.0 93.4 75.8 62.6 11.0 0.0 0.0 0.0 4.9
ID 6 17 13 103 54 0 0 0 195
ABS. 5 18 20 44 2 0 0 0 89 84 66 46 2 0 0 0 237
REL 5.6 20.2 22.4 49.4 2.2 0.0 0.0 0.0100.0 94.4 74.2 51.7 2.2 0.0 0.0 0.0 7.10
ID 5 20 22 98 11 0 0 0 158
Year
ABS. 22 58 63 175 40 1 0 0 359 337 279 216 41 1 0 0 308
REL. 6.1 16.1 17.5 48.7 11.1 0.2 0.0 0.0100.0 93.9 77.7 60.2 11.4 0.3 0.0 0.0 19.1
ID 6 16 17 97 55 6 0 0 200

Note:

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