Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1455 - Kladno-Svermov
Code:CZKLCMKSV
Institution:Czech Hydrometeorological Institute
Region:Stredocesky
District:Kladno
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 29 30 60 124 93 28 38 61 60 123 71 72 91 64 95 97 50 56 66 54 48 52 60 64 86 76 35 61 79 53 41 65.03 123.72 31.00
2 48 48 56 49 26 65 103 73 43 55 48 65 35 60 89 165 37 29 34 24 24 21 30 46 81 48 99 78 ~ ~ ~ 56.47 165.33 28.00
3 51 68 48 40 34 63 69 67 47 22 18 31 25 21 62 80 46 28 17 29 53 73 68 25 30 19 30 36 41 52 50 43.36 80.03 31.00
4 43 58 56 45 26 25 20 28 53 44 31 21 18 21 20 28 30 26 29 28 17 23 46 44 33 17 24 19 35 51 ~ 31.92 57.55 30.00
5 32 29 33 23 18 16 21 21 30 27 18 16 29 26 17 16 17 19 18 20 22 28 26 30 16 19 14 ~ ~ 19 24 22.15 32.63 29.00
6 14 10 ~ 15 23 27 15 16 ~ 19 16 29 ~ 20 ~ ~ ~ ~ ~ 22 16 19 12 16 21 26 29 18 21 20 ~ 19.27 28.94 22.00
7 14 16 20 18 17 14 11 ~ ~ 12 ~ 12 21 17 12 18 19 14 23 ~ 12 17 14 20 ~ ~ ~ 18 ~ 16 11 16.00 22.86 23.00
8 21 31 16 10 12 16 17 13 16 16 16 13 17 17 18 17 11 11 10 15 6.53 15 ~ ~ 22 24 18 15 28 40 42 17.99 42.22 29.00
9 18 17 19 19 22 21 17 12 8.76 17 16 21 18 18 16 23 25 33 48 25 21 27 32 36 34 42 30 37 38 26 ~ 24.57 48.03 30.00
10 19 28 26 30 54 30 35 47 38 21 28 41 51 47 44 65 54 72 66 41 27 35 53 72 30 45 46 24 19 16 16 39.34 71.62 31.00
11 16 20 37 34 39 24 19 17 23 46 69 54 42 46 66 52 67 40 40 63 45 24 24 36 73 147 103 30 33 63 ~ 46.46 147.41 30.00
12 39 45 68 95 65 56 40 43 83 62 79 29 43 57 49 30 50 48 45 30 25 28 28 18 14 23 20 17 28 18 28 41.99 95.09 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. 21 46 19 3 1 0 0 0 90 69 23 4 1 0 0 0 165
REL. 23.3 51.1 21.1 3.3 1.1 0.0 0.0 0.0 100.0 76.7 25.6 4.4 1.1 0.0 0.0 0.016.2
ID 23 51 21 6 5 0 0 0 107
ABS. 71 10 0 0 0 0 0 0 81 10 0 0 0 0 0 0 58
REL. 87.6 12.3 0.0 0.0 0.0 0.0 0.0 0.0 100.0 12.3 0.0 0.0 0.0 0.0 0.0 0.0 2.4
ID 87 12 0 0 0 0 0 0 100
ABS. 74 8 0 0 0 0 0 0 82 8 0 0 0 0 0 0 48
REL. 90.2 9.7 0.0 0.0 0.0 0.0 0.0 0.0100.0 9.8 0.0 0.0 0.0 0.0 0.0 0.0 19.9
ID 90 9 0 0 0 0 0 0 100
ABS. 37 44 9 2 0 0 0 0 92 55 11 2 0 0 0 0 147
REL 40.2 47.8 9.7 2.1 0.0 0.0 0.0 0.0100.0 59.8 12.0 2.2 0.0 0.0 0.0 0.026.11
ID 40 47 9 4 0 0 0 0 102
Year
ABS. 203 108 28 5 1 0 0 0 345 142 34 6 1 0 0 0 165
REL. 58.8 31.3 8.1 1.4 0.2 0.0 0.0 0.0100.0 41.2 9.9 1.7 0.3 0.0 0.0 0.0 16.2
ID 58 31 8 2 1 0 0 0 102

Note:

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