Detailed overview of ambient air pollution valuis from individual stations

804 - Pha10-Pocernicka

Year: 1997
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 804 - Pha10-Pocernicka
Code:CZ10CMPOC
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 10
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 120 129 76 79 62 79 129 214 104 115 71 44 130 215 205 182 199 98 58 182 131 77 124 180 107 ~ ~ ~ 61 73 44 117.39 215.40 28.00
2 56 114 152 82 63 62 142 110 78 64 43 42 29 56 41 33 39 80 48 40 32 63 90 70 33 37 46 57 ~ ~ ~ 64.32 152.26 28.00
3 94 36 64 83 132 119 131 147 123 200 184 180 61 54 37 35 69 73 62 48 65 46 40 86 102 77 49 25 21 27 109 83.31 199.74 31.00
4 149 67 ~ 19 22 17 81 82 120 58 34 21 40 42 25 30 66 45 21 69 104 72 65 50 48 54 61 44 38 33 ~ 54.41 148.99 29.00
5 63 ~ ~ 43 ~ ~ 48 35 26 44 ~ ~ 42 69 73 48 26 27 51 53 34 41 32 26 37 41 26 30 25 23 20 39.32 72.64 25.00
6 38 69 47 73 43 64 30 31 62 48 50 88 45 22 25 33 90 66 45 35 18 34 25 32 62 58 44 24 24 26 ~ 45.01 89.59 30.00
7 32 37 43 30 21 12 20 20 37 35 44 31 44 54 35 57 38 29 14 16 33 42 52 56 28 17 18 56 47 45 34 34.66 57.19 31.00
8 45 39 46 65 52 39 34 30 29 34 45 56 77 84 35 21 32 72 62 55 73 75 47 86 79 77 115 51 33 45 104 56.06 115.14 31.00
9 74 107 72 90 58 36 27 28 19 39 85 55 29 46 107 97 109 131 60 63 115 174 88 105 151 129 71 131 141 72 ~ 83.60 174.31 30.00
10 42 21 31 30 95 160 124 69 35 28 21 36 44 44 61 108 108 106 119 92 115 170 78 41 24 38 110 200 223 131 82 83.40 223.36 31.00
11 162 124 60 81 156 260 448 102 104 133 188 120 62 ~ ~ ~ 83 109 120 221 273 136 168 167 161 166 176 182 138 140 ~ 157.00 447.61 27.00
12 120 113 138 96 109 88 107 168 239 86 57 46 24 72 58 79 46 67 133 71 115 253 149 39 22 24 30 52 49 114 146 93.82 252.82 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. 7 32 18 19 8 3 0 0 87 80 48 30 11 3 0 0 215
REL. 8.0 36.7 20.6 21.8 9.1 3.4 0.0 0.0 100.0 92.0 55.2 34.5 12.6 3.4 0.0 0.014.1
ID 8 36 20 43 45 86 0 0 241
ABS. 29 41 11 3 0 0 0 0 84 55 14 3 0 0 0 0 149
REL. 34.5 48.8 13.0 3.5 0.0 0.0 0.0 0.0 100.0 65.5 16.7 3.6 0.0 0.0 0.0 0.0 1.4
ID 34 48 13 7 0 0 0 0 103
ABS. 23 40 16 11 2 0 0 0 92 69 29 13 2 0 0 0 174
REL. 25.0 43.4 17.3 11.9 2.1 0.0 0.0 0.0100.0 75.0 31.5 14.1 2.2 0.0 0.0 0.0 22.9
ID 25 43 17 23 10 0 0 0 120
ABS. 10 17 14 28 12 7 0 1 89 79 62 48 20 8 1 1 448
REL 11.2 19.1 15.7 31.4 13.4 7.8 0.0 1.1100.0 88.8 69.7 53.9 22.5 9.0 1.1 1.1 7.11
ID 11 19 15 62 67 196 0 702 1075
Year
ABS. 69 130 59 61 22 10 0 1 352 283 153 94 33 11 1 1 448
REL. 19.6 36.9 16.7 17.3 6.2 2.8 0.0 0.2100.0 80.4 43.5 26.7 9.4 3.1 0.3 0.3 7.11
ID 19 36 16 34 31 71 0 177 387

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