Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station: 659 - Kladno OHS
Code:CZKLHSKOH
Institution:Public Health Service
Region:Stredocesky
District:Kladno
IHd: 100
Measure method:trithanolamine spectophotometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 ~ 16 13 16 5.00 ~ ~ 16 14 4.00 10 6.00 ~ ~ 19 18 7.00 4.00 4.00 ~ ~ 6.00 7.00 5.00 4.00 4.00 ~ ~ 8.00 6.00 6.00 9.00 19.00 22.00
2 9.00 6.00 ~ ~ 6.00 12 10 7.00 27 ~ ~ 9.00 14 15 17 12 ~ ~ 29 19 8.00 7.00 8.00 ~ ~ 31 33 49 ~ ~ ~ 16.40 49.00 20.00
3 25 16 ~ ~ 36 29 28 25 6.00 ~ ~ 21 26 22 21 12 ~ ~ 20 22 17 12 8.00 ~ ~ 14 21 13 14 7.00 ~ 18.86 36.00 22.00
4 ~ 11 9.00 8.00 10 8.00 ~ ~ 14 17 10 5.00 4.00 ~ ~ ~ 11 5.00 15 5.00 ~ ~ 6.00 7.00 6.00 4.00 5.00 ~ ~ 4.00 ~ 8.20 17.00 20.00
5 ~ 10 8.00 5.00 ~ ~ 17 ~ 47 73 24 ~ ~ 38 32 32 33 38 ~ ~ 40 37 40 54 8.00 ~ ~ 32 22 21 38 30.90 73.00 21.00
6 28 ~ ~ 37 49 62 51 31 ~ ~ 50 36 31 4.00 55 ~ ~ 128 68 71 75 74 ~ ~ 75 59 58 59 54 ~ ~ 55.00 128.00 21.00
7 ~ 52 49 46 ~ ~ ~ ~ 59 72 66 71 63 ~ ~ 36 28 75 87 76 ~ ~ 59 72 77 72 62 ~ ~ 76 66 63.20 87.00 20.00
8 88 18 53 ~ ~ 58 81 58 67 55 ~ ~ 79 61 70 60 22 ~ ~ 46 41 22 32 30 ~ ~ 71 38 39 35 13 49.43 88.00 23.00
9 ~ ~ 64 58 48 40 50 ~ ~ 19 16 17 25 32 ~ ~ 44 53 40 40 54 46 ~ 45 31 37 38 ~ ~ ~ ~ 39.85 64.00 20.00
10 97 53 52 55 51 ~ ~ 55 66 62 54 57 ~ ~ 78 74 55 83 94 ~ ~ 69 82 65 65 57 ~ ~ 73 55 54 65.48 97.00 23.00
11 43 35 ~ ~ 52 38 42 41 13 ~ ~ 53 80 74 93 89 ~ ~ 79 27 46 36 5.00 ~ ~ 46 101 33 31 48 ~ 50.23 101.00 22.00
12 14 27 75 74 26 97 118 ~ ~ 140 136 117 99 78 ~ ~ 88 107 102 43 25 ~ ~ ~ ~ ~ 43 52 ~ ~ 87 77.40 140.00 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. 62 2 0 0 0 0 0 0 64 2 0 0 0 0 0 0 49
REL. 96.8 3.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 3.1 0.0 0.0 0.0 0.0 0.0 0.028.2
ID 96 3 0 0 0 0 0 0 100
ABS. 36 19 6 1 0 0 0 0 62 26 7 1 0 0 0 0 128
REL. 58.0 30.6 9.6 1.6 0.0 0.0 0.0 0.0 100.0 41.9 11.3 1.6 0.0 0.0 0.0 0.0 18.6
ID 58 30 9 3 0 0 0 0 101
ABS. 13 35 15 0 0 0 0 0 63 50 15 0 0 0 0 0 88
REL. 20.6 55.5 23.8 0.0 0.0 0.0 0.0 0.0100.0 79.4 23.8 0.0 0.0 0.0 0.0 0.0 1.8
ID 20 55 23 0 0 0 0 0 100
ABS. 9 29 20 7 0 0 0 0 65 56 27 7 0 0 0 0 140
REL 13.8 44.6 30.7 10.7 0.0 0.0 0.0 0.0100.0 86.2 41.5 10.8 0.0 0.0 0.0 0.010.12
ID 13 44 30 21 0 0 0 0 110
Year
ABS. 120 85 41 8 0 0 0 0 254 134 49 8 0 0 0 0 140
REL. 47.2 33.4 16.1 3.1 0.0 0.0 0.0 0.0100.0 52.8 19.3 3.1 0.0 0.0 0.0 0.010.12
ID 47 33 16 6 0 0 0 0 103

Note:

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