Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:WD-wind direction
Station:1062 - Ostrava-Por./V.obvod
Code:CZOSCMPO5
Institution:CHMI
Region:Severomoravsky
District:Ostrava-mesto
IHd: 150
Measure method:optoelectronic method
Unit:deg

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 198 196 203 206 203 217 204 208 157 182 206 201 208 205 195 194 163 196 195 53 22 39 ~ ~ 25 ~ ~ ~ ~ ~ ~ 168.52 217.29 23.00
2 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
3 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 213 130 66 83 147 187 184 176 42 117 133 21 97 111 204 212 101 203 213 138.90 213.19 19.00
4 207 213 198 209 222 157 199 204 129 151 233 197 186 154 183 200 182 80 96 133 45 37 74 203 153 143 184 209 156 182 ~ 163.98 232.52 30.00
5 166 201 153 83 189 206 193 175 203 34 136 104 65 48 50 17 41 116 68 54 148 155 172 204 206 193 207 198 207 153 205 140.28 207.42 31.00
6 199 198 171 144 128 209 177 15 134 147 126 50 5.75 125 202 209 184 131 106 228 144 226 ~ ~ 141 115 177 171 174 190 ~ 151.01 228.29 28.00
7 131 95 158 208 211 200 75 163 157 166 213 207 206 197 126 138 147 217 201 202 204 70 150 86 33 134 182 204 160 177 198 161.81 216.63 31.00
8 76 153 40 90 86 173 217 149 72 86 157 101 127 171 171 142 113 171 69 151 207 218 211 203 216 161 132 200 214 ~ 224 149.96 223.74 30.00
9 185 101 186 216 114 198 177 203 205 198 189 145 161 204 206 208 205 33 8.52 14 27 75 14 136 208 204 186 70 40 17 ~ 137.84 215.60 30.00
10 ~ 23 24 18 19 ~ ~ ~ 206 202 198 205 190 ~ 185 162 198 122 101 210 ~ ~ ~ 200 201 204 195 193 208 ~ ~ 155.43 209.74 21.00
11 ~ ~ 196 ~ ~ ~ 154 ~ ~ ~ ~ ~ ~ ~ ~ 169 258 212 220 13 35 31 39 29 78 203 207 139 53 37 ~ 121.88 257.56 17.00
12 31 93 220 209 209 214 224 229 175 38 212 210 212 215 211 262 212 213 210 204 145 174 207 211 210 212 213 223 173 130 187 189.88 262.02 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. 5 4 6 27 0 0 0 0 421 37 33 27 0 0 0 0 217
REL. 11.9 9.5 14.2 64.2 0.0 0.0 0.0 0.0 100.0 88.1 78.6 64.3 0.0 0.0 0.0 0.06.1
ID 11 9 14 128 0 0 0 0 164
ABS. 10 7 18 51 3 0 0 0 89 79 72 54 3 0 0 0 233
REL. 11.2 7.8 20.2 57.3 3.3 0.0 0.0 0.0 100.0 88.8 80.9 60.7 3.4 0.0 0.0 0.0 11.4
ID 11 7 20 114 16 0 0 0 170
ABS. 9 12 16 54 0 0 0 0 91 82 70 54 0 0 0 0 224
REL. 9.8 13.1 17.5 59.3 0.0 0.0 0.0 0.0100.0 90.1 76.9 59.3 0.0 0.0 0.0 0.0 31.8
ID 9 13 17 118 0 0 0 0 159
ABS. 12 3 5 46 3 0 0 0 69 57 54 49 3 0 0 0 262
REL 17.3 4.3 7.2 66.6 4.3 0.0 0.0 0.0100.0 82.6 78.3 71.0 4.3 0.0 0.0 0.016.12
ID 17 4 7 133 21 0 0 0 184
Year
ABS. 36 26 45 178 6 0 0 0 291 255 229 184 6 0 0 0 262
REL. 12.3 8.9 15.4 61.1 2.0 0.0 0.0 0.0100.0 87.6 78.7 63.2 2.1 0.0 0.0 0.016.12
ID 12 8 15 122 10 0 0 0 169

Note:

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