Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1112 - Prelouc
Code:CZPUCMPRE
Institution:CHMI
Region:Vychodocesky
District:Pardubice
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 18 21 6.94 7.00 6.57 10 13 8.57 11 30 44 37 37 31 65 46 12 15 17 17 6.68 10 25 42 34 70 86 45 65 35 24 28.91 85.58 31.00
2 38 57 35 71 78 95 53 40 68 94 85 47 57 62 58 60 33 49 58 70 54 59 55 58 63 70 54 26 ~ ~ ~ 58.87 95.03 28.00
3 21 18 16 15 10 14 8.55 8.58 14 27 23 17 16 7.59 15 24 18 17 11 9 7.70 17 27 15 26 29 26 45 28 26 39 19.21 44.81 31.00
4 40 28 19 13 22 20 20 19 25 17 20 13 18 21 20 27 26 14 16 23 27 27 30 21 26 22 18 25 21 23 ~ 22.09 40.12 30.00
5 16 18 17 20 24 22 27 26 25 31 33 30 29 21 15 14 16 17 19 15 14 12 13 16 17 19 23 19 21 18 20 20.12 32.58 31.00
6 17 22 21 21 20 17 14 16 21 14 11 10 11 13 14 21 19 20 21 20 26 21 18 24 22 20 16 14 18 ~ ~ 18.09 25.68 29.00
7 ~ ~ 14 14 13 13 14 12 13 14 12 12 10 14 16 14 17 11 19 25 17 14 21 17 15 21 20 13 11 8.86 9 14.60 24.78 29.00
8 13 ~ ~ ~ ~ ~ 27 22 14 25 29 25 16 19 22 20 20 19 13 20 12 8.60 7.68 14 12 21 9 10 8.35 10 ~ 16.61 28.66 25.00
9 ~ 19 16 15 10 14 18 21 13 12 14 11 11 8.27 15 13 11 17 10 7.63 10 18 20 31 30 24 20 27 23 19 ~ 16.47 31.25 29.00
10 18 17 13 13 26 23 19 42 33 8.30 7.23 10 16 19 20 38 16 11 36 23 29 30 28 15 8.96 15 8.68 6.05 12 12 8.72 18.71 42.19 31.00
11 6.97 17 13 39 35 31 41 59 ~ ~ ~ 219 177 149 130 123 94 113 113 83 90 107 172 160 138 143 164 142 100 92 ~ 101.95 219.26 27.00
12 75 95 81 74 60 54 52 58 95 144 130 79 57 89 229 78 128 157 62 57 53 71 101 47 46 31 50 60 83 77 38 80.96 228.72 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. 50 30 10 0 0 0 0 0 90 40 10 0 0 0 0 0 95
REL. 55.5 33.3 11.1 0.0 0.0 0.0 0.0 0.0 100.0 44.4 11.1 0.0 0.0 0.0 0.0 0.06.2
ID 55 33 11 0 0 0 0 0 100
ABS. 89 1 0 0 0 0 0 0 90 1 0 0 0 0 0 0 40
REL. 98.8 1.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 98 1 0 0 0 0 0 0 100
ABS. 83 0 0 0 0 0 0 0 83 0 0 0 0 0 0 0 31
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 24.9
ID 100 0 0 0 0 0 0 0 100
ABS. 32 21 15 14 5 2 0 0 89 57 36 21 7 2 0 0 229
REL 35.9 23.5 16.8 15.7 5.6 2.2 0.0 0.0100.0 64.0 40.4 23.6 7.9 2.2 0.0 0.015.12
ID 35 23 16 31 28 56 0 0 192
Year
ABS. 254 52 25 14 5 2 0 0 352 98 46 21 7 2 0 0 229
REL. 72.1 14.7 7.1 3.9 1.4 0.5 0.0 0.0100.0 27.8 13.1 6.0 2.0 0.6 0.0 0.015.12
ID 72 14 7 7 7 14 0 0 123

Note:

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