Detailed overview of ambient air pollution valuis from individual stations

437 - PHA5-Svornosti

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 437 - PHA5-Svornosti
Code:CZ05HSSVO
Institution:Public Health Service
Region:Hlavni mesto Praha
District:Praha 5
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ ~ 52 ~ ~ 95 181 195 131 160 ~ ~ 161 223 184 196 104 ~ ~ 193 145 161 156 162 ~ ~ 213 110 111 112 158 152.52 223.00 21.00
2 ~ ~ 134 139 141 167 221 ~ ~ 149 142 141 106 145 ~ ~ 172 148 128 146 118 ~ ~ 125 111 133 87 128 ~ ~ ~ 139.05 221.00 20.00
3 ~ ~ 140 465 127 120 108 ~ ~ 144 131 145 99 70 ~ ~ 85 139 80 80 154 ~ ~ 270 244 328 179 ~ ~ ~ ~ 163.58 465.00 19.00
4 331 230 237 190 ~ ~ 191 288 329 234 116 ~ ~ 322 158 181 231 182 ~ ~ 263 241 234 321 244 ~ ~ 334 301 160 ~ 241.73 334.00 22.00
5 323 ~ ~ ~ 111 230 212 ~ 224 ~ ~ 232 202 ~ 225 228 ~ ~ 272 181 323 263 211 ~ ~ 214 196 184 203 177 ~ 221.63 323.00 19.00
6 ~ 139 337 263 155 177 ~ ~ 216 200 209 240 183 ~ ~ 153 274 201 121 205 ~ ~ 283 220 286 285 267 ~ ~ 252 ~ 222.19 337.00 21.00
7 233 156 214 139 ~ ~ 131 140 152 183 154 ~ ~ 99 252 227 168 152 ~ ~ 190 164 247 168 193 ~ ~ 215 210 100 376 185.35 376.00 23.00
8 146 ~ ~ 99 57 65 70 180 ~ ~ 169 182 172 293 51 ~ ~ 116 125 151 138 84 ~ ~ 184 228 118 205 198 ~ ~ 144.33 293.00 21.00
9 270 253 221 244 248 ~ ~ 229 205 229 265 271 ~ ~ 285 316 314 308 220 ~ ~ ~ 303 300 284 288 ~ ~ 363 225 ~ 268.62 363.00 21.00
10 215 139 202 ~ ~ 352 332 328 244 216 ~ ~ 267 285 303 325 327 ~ ~ 278 278 322 268 228 ~ ~ 226 ~ 321 219 95 262.27 352.00 22.00
11 ~ ~ 161 227 353 476 493 ~ ~ 431 333 373 225 240 ~ ~ 206 169 240 370 337 ~ ~ 256 204 194 188 268 ~ ~ ~ 287.20 493.00 20.00
12 186 72 38 80 137 ~ ~ 243 332 246 272 155 ~ ~ 88 115 136 156 206 ~ ~ 325 215 ~ ~ ~ ~ ~ 238 263 228 186.55 332.00 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- 33 34- 67 68- 100 101- 150 151- 200 201- 300 301- 400 over 400 33 67 100 150 200 300 400
ABS. 0 1 7 30 15 5 1 1 60 60 59 52 22 7 2 1 465
REL. 0.0 1.6 11.6 50.0 25.0 8.3 1.6 1.6 100.0 100.0 98.3 86.7 36.7 11.7 3.3 1.74.3
ID 0 1 11 100 125 208 208 1041 1696
ABS. 0 0 0 4 15 34 9 0 62 62 62 62 58 43 9 0 337
REL. 0.0 0.0 0.0 6.4 24.1 54.8 14.5 0.0 100.0 100.0 100.0 100.0 93.5 69.4 14.5 0.0 3.6
ID 0 0 0 12 120 1370 1814 0 3319
ABS. 0 3 5 8 17 26 6 0 65 65 62 57 49 32 6 0 376
REL. 0.0 4.6 7.6 12.3 26.1 40.0 9.2 0.0100.0 100.0 95.4 87.7 75.4 49.2 9.2 0.0 31.7
ID 0 4 7 24 130 1000 1153 0 2321
ABS. 0 1 4 4 7 28 15 3 62 62 61 57 53 46 18 3 493
REL 0.0 1.6 6.4 6.4 11.2 45.1 24.1 4.8100.0 100.0 98.4 91.9 85.5 74.2 29.0 4.8 7.11
ID 0 1 6 12 56 1129 3024 3024 7254
Year
ABS. 0 5 16 46 54 93 31 4 249 249 244 228 182 128 35 4 493
REL. 0.0 2.0 6.4 18.4 21.6 37.3 12.4 1.6100.0 100.0 98.0 91.6 73.1 51.4 14.1 1.6 7.11
ID 0 2 6 36 108 933 1556 1004 3647

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