CHMU - Tabular overview of air quality of the Czech Republic

Detailed overview of ambient air pollution valuis from individual stations

Year:					1998
Pollutant:					NOx-nitrogen oxides(oxides of nitrogen)
Station:					537 - Most-OHS
Code:					CZMOHSMOH
Institution:					Public Health Service
Region:					Severocesky
District:					Most
IHd:					100
Measure method:					chemiluminescence
Unit:					ug/m^3

Average daily concentrations
Day/ Month	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	X	Max	N
1	67	38	24	22	23	22	32	24	22	24	47	70	59	76	59	97	27	25	28	19	23	28	28	25	37	68	111	55	35	27	21	40.74	111.00	31.00
2	40	47	30	54	96	71	53	16	36	75	70	17	23	18	16	21	17	24	73	40	69	127	41	31	33	20	25	10	~	~	~	42.61	127.00	28.00
3	9.00	18	19	16	10	16	15	10	18	23	34	30	16	14	28	36	21	23	13	14	13	12	25	29	42	36	46	27	33	39	87	24.90	87.00	31.00
4	104	24	18	19	8.00	16	32	13	36	32	15	18	9.00	17	27	26	38	21	13	20	32	45	29	31	15	23	23	31	21	21	~	25.90	104.00	30.00
5	14	13	14	13	14	18	14	21	25	25	29	37	32	26	18	14	12	26	17	14	20	10	8.00	8.00	19	27	47	25	21	17	22	20.00	47.00	31.00
6	11	28	21	26	35	16	16	15	22	22	22	18	6.00	17	23	11	11	12	13	9.00	16	15	9.00	12	18	19	15	6.00	12	13	~	16.30	35.00	30.00
7	15	9.00	28	5.00	6.00	4.00	20	7.00	7.00	10	6.00	6.00	8.00	5.00	9.00	11	13	7.00	6.00	31	31	22	21	17	18	14	28	11	10	7.00	9.00	12.94	31.00	31.00
8	16	10	12	22	11	11	18	11	7.00	17	26	46	21	16	24	18	34	29	13	40	14	4.00	4.00	8.00	5.00	30	10	5.00	5.00	6.00	16	16.42	46.00	31.00
9	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
10	48	53	28	21	40	58	42	47	60	17	9.00	11	11	41	25	38	23	7.00	45	17	52	31	25	15	9.00	12	13	8.00	9.00	13	10	27.03	60.00	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		>		total ind.		1/3		2/3		1.0		1.5		2.0		3.0		4.0
	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.	56		20		12		2		0		0		0		0		90		34		14		2		0		0		0		0		127
REL.	62.2		22.2		13.3		2.2		0.0		0.0		0.0		0.0		100.0		37.8		15.6		2.2		0.0		0.0		0.0		0.0		22.2
ID	62		22		13		4		0		0		0		0		102
ABS.	84		6		0		1		0		0		0		0		91		7		1		1		0		0		0		0		104
REL.	92.3		6.5		0.0		1.0		0.0		0.0		0.0		0.0		100.0		7.7		1.1		1.1		0.0		0.0		0.0		0.0		1.4
ID	92		6		0		2		0		0		0		0		101
ABS.	59		3		0		0		0		0		0		0		62		3		0		0		0		0		0		0		46
REL.	95.1		4.8		0.0		0.0		0.0		0.0		0.0		0.0		100.0		4.8		0.0		0.0		0.0		0.0		0.0		0.0		12.8
ID	95		4		0		0		0		0		0		0		100
ABS.	20		11		0		0		0		0		0		0		31¹		11		0		0		0		0		0		0		60
REL	64.5		35.4		0.0		0.0		0.0		0.0		0.0		0.0		100.0		35.5		0.0		0.0		0.0		0.0		0.0		0.0		9.10
ID	64		35		0		0		0		0		0		0		100
Year
ABS.	219		40		12		3		0		0		0		0		274		55		15		3		0		0		0		0		127
REL.	79.9		14.5		4.3		1.0		0.0		0.0		0.0		0.0		100.0		20.1		5.5		1.1		0.0		0.0		0.0		0.0		22.2
ID	79		14		4		2		0		0		0		0		101
Note:				¹ frequency < 60 per quarter, or < 240 per annum
Note:				² frequency < 30 per quarter, or < 120 per annum

Detailed overview of ambient air pollution valuis from individual stations

Average daily concentrations

Day/Month

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

part of it in IHd multiples

max.date

concentration classes in measurement units

part of above IHd multiples in meas. units

Note:

Day/
Month

Quarterly and annual absolute and relative frequency of average daily concentrations
partial and total air pollution indexes according to classes of IHd multiples

max.
date