Detailed overview of ambient air pollution valuis from individual stations

576 - Decin-OHS

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 576 - Decin-OHS
Code:CZDCHSDPS
Institution:Public Health Service
Region:Severocesky
District:Decin
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
2 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
3 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 72 39 90 121 194 93 52 96 132 193 202 86 56 64 80 104.67 202.00 15.00
4 173 214 165 121 75 30 185 159 182 181 84 61 64 213 108 149 162 167 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 138.50 214.00 18.00
5 ~ 164 110 107 181 109 140 80 93 79 67 197 155 153 146 126 92 59 152 128 112 138 176 96 54 139 140 164 130 157 89 124.43 197.00 30.00
6 88 218 164 130 90 101 51 44 126 125 97 119 114 70 64 140 124 144 85 131 57 51 98 87 137 110 120 74 35 99 ~ 103.10 218.00 30.00
7 83 103 72 ~ ~ ~ ~ ~ 96 111 125 76 54 89 126 121 88 141 66 41 204 122 97 126 196 82 70 172 143 168 202 114.38 204.00 26.00
8 185 95 108 188 198 170 170 130 98 101 171 164 160 170 145 117 352 137 148 170 194 147 ~ ~ 164 146 159 116 196 87 ~ 156.64 352.00 28.00
9 175 179 189 173 175 144 69 137 119 175 198 209 194 96 197 240 255 230 ~ 124 113 252 237 258 253 283 222 112 282 333 ~ 193.90 333.00 29.00
10 226 118 176 175 210 ~ ~ ~ 231 258 82 130 206 221 336 312 236 224 185 346 252 267 310 208 84 107 339 194 425 381 454 239.04 454.00 28.00
11 299 182 350 206 115 333 551 397 158 292 257 219 191 214 112 105 228 124 190 195 260 208 135 219 118 254 241 154 159 102 ~ 218.93 551.00 30.00
12 232 201 239 237 236 211 114 143 154 278 429 369 98 109 137 146 59 50 37 215 176 220 347 162 176 129 172 170 270 264 207 193.13 429.00 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- 33 34- 67 68- 100 101- 150 151- 200 201- 300 301- 400 over 400 33 67 100 150 200 300 400
ABS. 0 4 6 2 2 1 0 0 152 15 11 5 3 1 0 0 202
REL. 0.0 26.6 40.0 13.3 13.3 6.6 0.0 0.0 100.0 100.0 73.3 33.3 20.0 6.7 0.0 0.027.3
ID 0 26 40 26 66 166 0 0 326
ABS. 1 10 18 28 18 3 0 0 78 77 67 49 21 3 0 0 218
REL. 1.2 12.8 23.0 35.8 23.0 3.8 0.0 0.0 100.0 98.7 85.9 62.8 26.9 3.8 0.0 0.0 2.6
ID 1 12 23 71 115 96 0 0 320
ABS. 0 3 14 25 26 13 2 0 83 83 80 66 41 15 2 0 352
REL. 0.0 3.6 16.8 30.1 31.3 15.6 2.4 0.0100.0 100.0 96.4 79.5 49.4 18.1 2.4 0.0 17.8
ID 0 3 16 60 156 391 301 0 930
ABS. 0 3 3 16 17 35 11 4 89 89 86 83 67 50 15 4 551
REL 0.0 3.3 3.3 17.9 19.1 39.3 12.3 4.4100.0 100.0 96.6 93.3 75.3 56.2 16.9 4.5 7.11
ID 0 3 3 35 95 983 1544 2808 5475
Year
ABS. 1 20 41 71 63 52 13 4 265 264 244 203 132 69 17 4 551
REL. 0.3 7.5 15.4 26.7 23.7 19.6 4.9 1.5100.0 99.6 92.1 76.6 49.8 26.0 6.4 1.5 7.11
ID 7 15 53 118 490 613 943 2243

Note:

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

Detailed overview of ambient air pollution valuis from individual stations - selection station