Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:WD-wind direction
Station:1322 - Plzen-Slovany
Code:CZPMPZPSL
Institution:Mun. Authority of the town Plzen
Region:Zapadocesky
District:Plzen-mesto
IHd: 150
Measure method:optoelectronic method
Unit:deg

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 119 137 202 230 189 174 239 234 164 64 149 208 231 233 233 212 144 194 225 155 188 225 238 231 232 216 248 148 145 193 126 191.15 248.28 31.00
2 229 234 233 244 282 257 236 224 145 199 94 141 208 110 211 242 258 233 232 221 233 241 264 253 243 210 175 222 ~ ~ ~ 216.92 282.21 28.00
3 234 236 177 144 236 185 236 181 207 217 177 53 59 129 95 61 71 136 238 269 206 233 240 219 178 183 90 143 198 232 112 173.37 269.02 31.00
4 102 89 172 233 208 238 256 204 207 219 251 230 240 189 252 148 259 241 221 193 221 198 152 149 102 52 103 114 106 181 ~ 184.29 258.71 30.00
5 195 59 139 60 68 97 120 217 174 219 236 237 188 243 292 115 72 82 133 97 75 232 210 221 212 127 67 187 160 205 164 158.18 291.85 31.00
6 72 191 208 217 187 244 119 224 151 50 139 55 43 54 56 91 192 257 220 220 254 281 120 109 98 192 178 199 177 235 ~ 161.06 280.81 30.00
7 195 209 159 107 148 256 186 201 32 46 56 109 231 ~ 250 200 129 103 145 224 245 256 201 173 74 60 31 45 59 75 123 144.21 255.63 30.00
8 69 47 66 92 159 182 178 200 185 222 216 61 139 220 235 225 193 212 217 238 162 97 61 161 110 161 143 113 57 127 180 152.50 237.90 31.00
9 210 37 67 98 100 170 218 112 144 118 69 116 136 123 108 234 152 89 96 147 175 189 183 161 149 217 174 224 229 230 ~ 149.18 233.72 30.00
10 226 187 233 222 235 256 226 233 247 240 230 189 136 247 100 100 79 78 84 70 106 108 142 142 176 227 224 189 120 93 202 172.47 255.83 31.00
11 213 200 57 35 144 231 232 213 32 35 40 73 256 135 82 183 234 216 117 226 105 236 186 208 232 188 204 159 216 232 ~ 164.01 256.04 30.00
12 238 244 240 234 241 230 235 228 212 226 214 235 237 233 232 233 230 240 236 247 202 73 156 125 182 206 181 187 247 237 ~ 215.34 247.33 30.00

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 15 31 36 0 0 0 90 90 82 67 36 0 0 0 282
REL. 0.0 8.8 16.6 34.4 40.0 0.0 0.0 0.0 100.0 100.0 91.1 74.4 40.0 0.0 0.0 0.05.2
ID 0 8 16 68 200 0 0 0 294
ABS. 2 17 16 37 19 0 0 0 91 89 72 56 19 0 0 0 292
REL. 2.1 18.6 17.5 40.6 20.8 0.0 0.0 0.0 100.0 97.8 79.1 61.5 20.9 0.0 0.0 0.0 15.5
ID 2 18 17 81 104 0 0 0 224
ABS. 6 18 21 35 11 0 0 0 91 85 67 46 11 0 0 0 256
REL. 6.5 19.7 23.0 38.4 12.0 0.0 0.0 0.0100.0 93.4 73.6 50.5 12.1 0.0 0.0 0.0 22.7
ID 6 19 23 76 60 0 0 0 186
ABS. 4 10 12 26 39 0 0 0 91 87 77 65 39 0 0 0 256
REL 4.3 10.9 13.1 28.5 42.8 0.0 0.0 0.0100.0 95.6 84.6 71.4 42.9 0.0 0.0 0.013.11
ID 4 10 13 57 214 0 0 0 300
Year
ABS. 12 53 64 129 105 0 0 0 363 351 298 234 105 0 0 0 292
REL. 3.3 14.6 17.6 35.5 28.9 0.0 0.0 0.0100.0 96.7 82.1 64.5 28.9 0.0 0.0 0.0 15.5
ID 3 14 17 71 144 0 0 0 251

Note:

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