Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 396 - Hr.Kral.-Sukovy sady
Code:CZHKHSHKS
Institution:Public Health Service
Region:Vychodocesky
District:Hradec Kralove
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 55 76 24 28 26 37 190 29 56 124 80 72 72 105 169 128 58 63 60 97 99 63 69 56 46 142 155 94 131 63 87 82.40 190.43 31.00
2 67 148 53 191 200 183 99 67 178 260 306 170 70 72 70 149 76 127 144 103 97 101 125 94 84 67 68 25 ~ ~ ~ 121.20 306.28 28.00
3 27 32 37 30 33 34 24 28 72 74 60 65 63 50 55 63 113 69 76 67 55 42 74 70 86 75 58 78 54 78 100 59.41 112.97 31.00
4 115 86 55 43 62 73 47 35 63 63 34 42 72 85 54 67 97 42 45 81 69 73 70 48 41 38 30 69 51 45 ~ 59.77 114.67 30.00
5 26 30 27 65 64 30 58 38 32 37 54 48 49 54 60 39 44 57 58 64 58 58 37 33 32 52 49 35 33 43 38 45.24 65.29 31.00
6 45 48 63 59 41 33 28 52 56 39 70 63 40 33 43 36 41 71 54 47 41 54 48 60 56 53 26 42 47 39 ~ 47.56 70.75 30.00
7 34 60 46 28 26 30 45 57 57 64 29 38 31 31 39 31 48 18 38 61 38 50 38 46 19 27 41 33 24 13 21 37.52 63.76 31.00
8 23 22 30 41 48 45 58 31 30 41 49 66 54 ~ 31 31 ~ ~ ~ ~ 10 10 7.44 11 21 31 24 18 10 18 32 30.49 65.60 26.00
9 34 39 27 49 18 32 36 26 19 23 29 18 11 11 13 15 18 37 21 26 32 53 53 84 54 33 53 61 51 56 ~ 34.38 83.76 30.00
10 46 48 31 35 65 55 72 73 50 13 13 26 57 65 46 71 38 27 55 36 55 97 47 18 15 42 24 14 18 16 15 41.34 97.00 31.00
11 14 33 37 26 29 22 58 77 77 151 49 96 86 46 34 61 52 56 65 59 36 84 193 141 87 97 121 89 59 79 ~ 70.50 193.06 30.00
12 64 98 78 40 25 20 34 49 121 145 133 68 57 64 278 59 180 242 75 25 53 63 140 27 22 31 57 90 91 98 37 82.71 277.97 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. 11 25 30 14 8 1 1 0 90 79 54 24 10 2 1 0 306
REL. 12.2 27.7 33.3 15.5 8.8 1.1 1.1 0.0 100.0 87.8 60.0 26.7 11.1 2.2 1.1 0.011.2
ID 12 27 33 31 44 27 138 0 315
ABS. 12 65 13 1 0 0 0 0 91 79 14 1 0 0 0 0 115
REL. 13.1 71.4 14.2 1.0 0.0 0.0 0.0 0.0 100.0 86.8 15.4 1.1 0.0 0.0 0.0 0.0 1.4
ID 13 71 14 2 0 0 0 0 101
ABS. 49 37 1 0 0 0 0 0 87 38 1 0 0 0 0 0 84
REL. 56.3 42.5 1.1 0.0 0.0 0.0 0.0 0.0100.0 43.7 1.1 0.0 0.0 0.0 0.0 0.0 24.9
ID 56 42 1 0 0 0 0 0 100
ABS. 23 38 20 6 3 2 0 0 92 69 31 11 5 2 0 0 278
REL 25.0 41.3 21.7 6.5 3.2 2.1 0.0 0.0100.0 75.0 33.7 12.0 5.4 2.2 0.0 0.015.12
ID 25 41 21 13 16 54 0 0 171
Year
ABS. 95 165 64 21 11 3 1 0 360 265 100 36 15 4 1 0 306
REL. 26.3 45.8 17.7 5.8 3.0 0.8 0.2 0.0100.0 73.6 27.8 10.0 4.2 1.1 0.3 0.0 11.2
ID 26 45 17 11 15 20 34 0 172

Note:

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