1316 - Trebic-OHS

Year:					1997
Pollutant:					NOx-nitrogen oxides(oxides of nitrogen)
Station:					1316 - Trebic-OHS
Code:					CZTRHSTRO
Institution:					Public Health Service
Region:					Jihomoravsky
District:					Trebic
IHd:					100
Measure method:					coulometry
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	~	~	16	15	16	31	39	~	~	65	92	97	90	85	94	92	111	139	154	135	143	136	135	138	127	101	77	86	100	91	88	92.33	154.00	27.00
2	~	~	~	~	~	~	92	80	81	92	103	106	112	102	98	87	61	58	64	64	62	62	73	61	79	75	78	79	~	~	~	80.41	112.00	22.00
3	78	83	96	99	101	100	104	96	~	~	~	~	~	78	51	55	76	60	62	73	65	62	63	72	78	83	71	71	78	84	92	78.12	104.00	26.00
4	96	95	98	99	92	90	118	123	115	~	70	50	75	78	~	~	~	74	73	78	86	83	85	91	88	75	74	90	96	103	~	88.27	123.00	26.00
5	90	91	90	89	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	90.00	91.00	4.00
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.	4		16		39		15		1		0		0		0		75		71		55		16		1		0		0		0		154
REL.	5.3		21.3		52.0		20.0		1.3		0.0		0.0		0.0		100.0		94.7		73.3		21.3		1.3		0.0		0.0		0.0		19.1
ID	5		21		52		40		6		0		0		0		125
ABS.	0		1		25		4		0		0		0		0		30¹		30		29		4		0		0		0		0		123
REL.	0.0		3.3		83.3		13.3		0.0		0.0		0.0		0.0		100.0		100.0		96.7		13.3		0.0		0.0		0.0		0.0		8.4
ID	0		3		83		26		0		0		0		0		113
ABS.	0		0		0		0		0		0		0		0		0²		0		0		0		0		0		0		0		0
ABS.	0		0		0		0		0		0		0		0		0²		0		0		0		0		0		0		0		0
Year
ABS.	4		17		64		19		1		0		0		0		105²		101		84		20		1		0		0		0		154
REL.	3.8		16.1		60.9		18.0		0.9		0.0		0.0		0.0		100.0		96.2		80.0		19.0		1.0		0.0		0.0		0.0		19.1
ID	3		16		60		36		4		0		0		0		121
Note:				¹ frequency < 60 per quarter, or < 240 per annum
Note:				² frequency < 30 per quarter, or < 120 per annum