CHMU - Tabular overview of air quality of the Czech Republic

Detailed overview of ambient air pollution valuis from individual stations

Year:					1999
Pollutant:					NOx-nitrogen oxides(oxides of nitrogen)
Station:					1410 - Ostrava - Privoz
Code:					CZOSCMOPR
Institution:					Czech Hydrometeorological Institute
Region:					Severomoravsky
District:					Ostrava-mesto
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	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
2	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
3	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
4	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
5	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
6	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~	~
7	~	~	22	20	17	8.64	18	10	~	~	~	45	34	23	17	27	22	33	31	22	25	16	18	10	17	20	15	19	27	21	18	21.24	44.70	26.00
8	17	33	31	49	39	34	21	19	31	25	22	18	16	20	19	22	26	26	27	29	17	17	39	49	47	55	57	11	15	50	29	29.39	56.58	31.00
9	17	21	31	33	48	54	45	32	31	32	30	34	41	40	48	90	50	46	40	22	27	41	47	45	18	44	67	50	32	32	~	39.61	89.54	30.00
10	36	31	23	35	24	46	51	38	24	29	51	52	69	42	21	12	31	69	48	42	42	84	45	47	60	45	51	36	70	43	47	43.37	83.85	31.00
11	59	39	29	61	65	59	17	37	61	64	48	99	43	27	47	112	52	92	65	45	68	71	33	27	81	62	40	43	37	34	~	53.81	112.40	30.00
12	46	46	37	40	34	34	39	57	58	71	53	24	67	53	52	37	47	40	58	81	49	169	73	26	25	38	55	52	45	47	61	52.01	169.27	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.	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
ABS.	58		27		2		0		0		0		0		0		87		29		2		0		0		0		0		0		90
REL.	66.6		31.0		2.2		0.0		0.0		0.0		0.0		0.0		100.0		33.3		2.3		0.0		0.0		0.0		0.0		0.0		16.9
ID	66		31		2		0		0		0		0		0		100
ABS.	16		62		12		1		1		0		0		0		92		76		14		2		1		0		0		0		169
REL	17.3		67.3		13.0		1.0		1.0		0.0		0.0		0.0		100.0		82.6		15.2		2.2		1.1		0.0		0.0		0.0		22.12
ID	17		67		13		2		5		0		0		0		105
Year
ABS.	74		89		14		1		1		0		0		0		179¹		105		16		2		1		0		0		0		169
REL.	41.3		49.7		7.8		0.5		0.5		0.0		0.0		0.0		100.0		58.7		8.9		1.1		0.6		0.0		0.0		0.0		22.12
ID	41		49		7		1		2		0		0		0		102
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