Detailed overview of ambient air pollution valuis from individual stations

780 - PHA9-Vysocany

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 780 - PHA9-Vysocany
Code:CZ09CMVYS
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 9
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 97 106 62 66 65 57 108 165 80 106 94 52 110 175 178 147 169 104 48 150 108 54 94 131 71 35 133 104 96 76 66 100.21 177.61 31.00
2 66 102 140 78 80 114 219 278 85 91 47 52 30 87 47 39 76 53 48 87 44 156 220 72 30 44 58 70 ~ ~ ~ 89.74 277.53 28.00
3 147 49 118 100 138 141 75 ~ ~ 226 158 198 96 59 39 34 91 56 71 57 61 48 35 70 84 86 72 28 24 43 149 88.12 226.44 29.00
4 227 169 68 33 32 27 97 71 191 80 36 26 59 54 37 42 91 66 27 69 103 71 118 78 47 35 59 47 45 45 ~ 71.77 227.32 30.00
5 135 83 63 51 39 26 44 39 29 50 55 44 36 58 50 28 16 22 63 51 42 52 40 25 25 36 28 36 26 24 18 43.05 135.21 31.00
6 23 56 54 61 20 52 23 29 66 44 41 74 37 22 41 29 98 63 30 39 20 28 29 44 43 38 54 31 23 38 ~ 41.58 97.62 30.00
7 50 36 68 41 32 20 34 40 63 56 59 57 63 71 60 69 40 43 24 29 64 92 70 80 50 30 39 72 65 78 63 53.49 91.69 31.00
8 73 93 68 125 60 42 28 35 29 43 40 66 131 158 63 31 42 92 83 75 81 142 87 102 101 102 123 50 53 99 137 79.15 158.36 31.00
9 100 142 90 111 88 61 43 48 36 68 80 90 53 96 127 85 189 168 63 58 133 227 137 157 204 201 109 184 280 126 ~ 118.52 279.85 30.00
10 67 39 64 49 144 253 181 121 73 58 36 64 97 86 113 155 144 95 179 131 135 264 112 72 39 61 196 255 250 111 77 120.05 264.27 31.00
11 212 156 95 70 106 260 553 173 121 233 173 107 84 132 73 ~ ~ 49 97 166 173 83 103 109 76 99 90 94 102 94 ~ 138.64 553.07 28.00
12 85 65 73 67 125 73 78 115 236 60 80 62 33 91 34 45 26 28 60 34 78 232 134 42 29 25 50 109 71 127 95 79.44 236.39 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. 4 29 24 20 7 4 0 0 88 84 55 31 11 4 0 0 278
REL. 4.5 32.9 27.2 22.7 7.9 4.5 0.0 0.0 100.0 95.5 62.5 35.2 12.5 4.5 0.0 0.08.2
ID 4 32 27 45 39 113 0 0 263
ABS. 28 46 11 3 2 1 0 0 91 63 17 6 3 1 0 0 227
REL. 30.7 50.5 12.0 3.2 2.1 1.0 0.0 0.0 100.0 69.2 18.7 6.6 3.3 1.1 0.0 0.0 1.4
ID 30 50 12 6 10 27 0 0 138
ABS. 8 35 25 15 5 4 0 0 92 84 49 24 9 4 0 0 280
REL. 8.6 38.0 27.1 16.3 5.4 4.3 0.0 0.0100.0 91.3 53.3 26.1 9.8 4.3 0.0 0.0 29.9
ID 8 38 27 32 27 108 0 0 242
ABS. 5 19 27 20 9 9 0 1 90 85 66 39 19 10 1 1 553
REL 5.5 21.1 30.0 22.2 10.0 10.0 0.0 1.1100.0 94.4 73.3 43.3 21.1 11.1 1.1 1.1 7.11
ID 5 21 30 44 50 250 0 694 1095
Year
ABS. 45 129 87 58 23 18 0 1 361 316 187 100 42 19 1 1 553
REL. 12.4 35.7 24.0 16.0 6.3 4.9 0.0 0.2100.0 87.5 51.8 27.7 11.6 5.3 0.3 0.3 7.11
ID 12 35 24 32 31 124 0 173 434

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