Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:NOx-nitrogen oxides(oxides of nitrogen)
Station:1009 - Vsechlapy
Code:CZTPCMVSE
Institution:CHMI
Region:Severocesky
District:Teplice
IHd: 100
Measure method:chemiluminescence
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 177 61 26 14 13 17 43 14 17 42 110 213 135 ~ 94 151 20 31 31 20 15 20 16 27 24 59 117 62 48 40 14 55.67 212.66 30.00
2 37 65 29 58 108 80 55 23 74 69 58 16 19 20 15 29 20 37 53 62 61 83 26 35 28 28 29 12 ~ ~ ~ 43.95 108.36 28.00
3 13 26 30 20 10 21 16 8.40 19 20 25 32 18 6.28 30 26 17 13 9 10 13 14 17 24 31 35 38 30 31 31 87 23.20 86.86 31.00
4 60 29 34 20 24 40 27 26 34 24 23 ~ ~ 27 32 38 27 16 20 33 33 29 23 27 24 19 19 21 15 15 ~ 27.10 59.81 28.00
5 12 24 17 11 19 24 31 27 19 24 20 19 18 16 18 18 18 22 17 16 12 10 12 17 20 36 37 18 19 22 30 20.07 36.59 31.00
6 17 28 29 25 18 20 23 24 26 34 21 15 8.38 19 22 14 13 15 19 14 22 15 15 17 21 18 20 12 18 18 ~ 19.32 34.19 30.00
7 17 13 16 11 12 16 17 9 13 14 14 13 14 13 18 19 18 12 15 30 17 21 20 15 14 14 34 14 20 14 15 16.20 34.11 31.00
8 13 15 14 15 15 15 18 23 16 19 40 35 24 27 21 24 25 24 17 29 21 11 11 13 13 23 10 12 8.73 13 25 19.07 40.46 31.00
9 24 20 16 17 15 20 25 32 29 39 20 15 14 17 18 19 19 15 24 17 23 27 32 52 66 212 85 62 30 28 ~ 34.43 212.43 30.00
10 20 21 21 22 22 24 32 41 50 17 17 20 22 50 25 42 26 15 45 23 48 41 32 19 13 14 15 11 14 15 18 25.58 49.78 31.00
11 ~ ~ 39 16 22 18 30 69 89 117 16 51 52 35 24 26 11 18 23 ~ 24 54 88 142 79 64 116 97 30 40 ~ 51.44 141.60 27.00
12 24 70 49 45 19 ~ 15 26 107 195 60 95 27 52 69 21 84 156 46 13 13 47 57 33 23 14 26 53 61 31 19 51.62 195.35 30.00

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. 57 19 6 4 2 1 0 0 89 32 13 7 3 1 0 0 213
REL. 64.0 21.3 6.7 4.4 2.2 1.1 0.0 0.0 100.0 36.0 14.6 7.9 3.4 1.1 0.0 0.012.1
ID 64 21 6 8 11 28 0 0 140
ABS. 81 8 0 0 0 0 0 0 89 8 0 0 0 0 0 0 60
REL. 91.0 8.9 0.0 0.0 0.0 0.0 0.0 0.0 100.0 9.0 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 91 8 0 0 0 0 0 0 100
ABS. 83 7 1 0 0 1 0 0 92 9 2 1 1 1 0 0 212
REL. 90.2 7.6 1.0 0.0 0.0 1.0 0.0 0.0100.0 9.8 2.2 1.1 1.1 1.1 0.0 0.0 26.9
ID 90 7 1 0 0 27 0 0 126
ABS. 50 23 9 4 2 0 0 0 88 38 15 6 2 0 0 0 195
REL 56.8 26.1 10.2 4.5 2.2 0.0 0.0 0.0100.0 43.2 17.0 6.8 2.3 0.0 0.0 0.010.12
ID 56 26 10 9 11 0 0 0 113
Year
ABS. 271 57 16 8 4 2 0 0 358 87 30 14 6 2 0 0 213
REL. 75.6 15.9 4.4 2.2 1.1 0.5 0.0 0.0100.0 24.3 8.4 3.9 1.7 0.6 0.0 0.0 12.1
ID 75 15 4 4 5 13 0 0 120

Note:

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