Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
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 18 30 69 78 247 124 106 50 45 38 49 32 46 24 24 163 73 80 53 42 35 35 69 39 50 45 41 60 79 51 37 62.38 247.26 31.00
2 57 122 66 46 31 20 26 43 172 164 71 63 31 33 104 57 27 58 58 52 23 36 47 43 41 76 99 103 ~ ~ ~ 63.13 171.94 28.00
3 65 68 33 52 61 28 48 43 96 65 92 96 45 50 83 56 62 75 57 42 30 39 36 82 56 44 44 33 70 85 80 58.50 96.00 31.00
4 74 104 36 25 44 59 45 61 49 38 29 32 47 27 55 58 27 66 65 81 37 48 51 40 35 69 65 55 43 65 ~ 51.05 103.76 30.00
5 28 36 57 41 44 ~ 32 20 43 33 30 44 ~ 39 28 55 56 51 39 30 74 26 39 46 58 42 48 34 29 35 41 40.69 74.38 29.00
6 34 34 42 45 ~ 19 37 34 48 44 45 37 28 63 63 65 62 50 21 17 54 78 68 61 57 24 37 35 37 35 ~ 43.96 77.72 29.00
7 41 51 18 18 15 21 38 76 41 20 31 43 36 35 44 48 27 29 36 40 28 56 52 29 29 39 32 37 37 44 24 35.95 76.12 31.00
8 32 51 47 46 47 45 28 32 61 47 ~ 63 64 22 24 37 45 31 30 31 30 52 47 57 48 36 35 27 46 59 47 42.24 64.41 30.00
9 50 56 44 31 35 42 43 71 70 82 41 37 ~ 69 68 ~ 53 33 44 30 58 70 63 63 53 26 42 73 25 60 ~ 51.10 82.09 28.00
10 27 37 22 61 99 54 64 63 21 29 42 102 127 78 67 45 53 98 104 91 ~ 43 45 73 181 107 50 76 115 59 55 69.61 180.99 30.00
11 93 91 97 105 89 43 32 73 101 75 64 66 64 45 101 87 41 41 118 59 92 78 116 99 143 146 63 72 50 59 ~ 80.13 146.46 30.00
12 98 38 25 30 23 28 27 40 42 170 73 17 41 31 70 63 26 30 50 80 87 2.07 37 27 41 43 77 102 57 60 99 52.76 169.99 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. 14 48 19 5 3 1 0 0 90 76 28 9 4 1 0 0 247
REL. 15.5 53.3 21.1 5.5 3.3 1.1 0.0 0.0 100.0 84.4 31.1 10.0 4.4 1.1 0.0 0.05.1
ID 15 53 21 11 16 27 0 0 145
ABS. 19 62 6 1 0 0 0 0 88 69 7 1 0 0 0 0 104
REL. 21.5 70.4 6.8 1.1 0.0 0.0 0.0 0.0 100.0 78.4 8.0 1.1 0.0 0.0 0.0 0.0 2.4
ID 21 70 6 2 0 0 0 0 101
ABS. 27 54 8 0 0 0 0 0 89 62 8 0 0 0 0 0 82
REL. 30.3 60.6 8.9 0.0 0.0 0.0 0.0 0.0100.0 69.7 9.0 0.0 0.0 0.0 0.0 0.0 10.9
ID 30 60 8 0 0 0 0 0 100
ABS. 16 36 24 13 2 0 0 0 91 75 39 15 2 0 0 0 181
REL 17.5 39.5 26.3 14.2 2.1 0.0 0.0 0.0100.0 82.4 42.9 16.5 2.2 0.0 0.0 0.025.10
ID 17 39 26 28 10 0 0 0 123
Year
ABS. 76 200 57 19 5 1 0 0 358 282 82 25 6 1 0 0 247
REL. 21.2 55.8 15.9 5.3 1.3 0.2 0.0 0.0100.0 78.8 22.9 7.0 1.7 0.3 0.0 0.0 5.1
ID 21 55 15 10 6 6 0 0 117

Note:

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