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:					779 - Pha8-Kobylisy
Code:					CZ08CMKOB
Institution:					CHMI
Region:					Hlavni mesto Praha
District:					Praha 8
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	118	51	40	30	41	34	30	40	42	26	24	14	36	45	46	49	33	20	20	59	59	47	36	35	23	21	26	29	22	20	~	37.24	117.90	30.00
5	16	24	19	14	33	45	86	27	16	22	24	37	19	14	16	~	14	32	19	28	31	13	31	29	32	37	31	21	23	30	33	27.23	85.92	30.00
6	35	27	47	28	26	17	19	42	46	24	21	14	11	46	29	22	30	20	18	28	38	23	22	22	25	18	26	19	29	24	~	26.53	47.05	30.00
7	20	42	22	10	10	11	17	11	15	23	10	25	20	17	35	25	24	13	44	46	30	36	30	20	16	21	29	20	27	27	39	23.69	45.70	31.00
8	23	13	42	24	16	36	40	41	16	31	53	44	32	35	33	29	37	21	38	51	24	12	17	16	17	25	13	14	13	18	37	27.74	52.77	31.00
9	48	31	25	33	17	40	42	44	28	26	54	20	29	20	22	29	28	22	26	18	15	37	38	42	104	48	81	36	80	51	~	37.90	104.21	30.00
10	20	26	23	19	29	26	39	48	70	~	23	31	47	54	47	69	32	31	55	39	48	59	57	36	20	35	21	14	21	18	20	35.92	69.51	30.00
11	13	40	41	39	26	28	85	82	123	88	22	104	71	42	29	38	20	30	51	21	24	38	78	164	67	81	145	102	35	47	~	59.16	164.11	30.00
12	24	52	62	53	24	14	18	29	82	159	108	94	22	56	95	29	124	151	27	31	27	47	77	50	34	28	27	44	53	34	19	54.71	159.24	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.	63		25		1		1		0		0		0		0		90		27		2		1		0		0		0		0		118
REL.	70.0		27.7		1.1		1.1		0.0		0.0		0.0		0.0		100.0		30.0		2.2		1.1		0.0		0.0		0.0		0.0		1.4
ID	70		27		1		2		0		0		0		0		101
ABS.	61		28		2		1		0		0		0		0		92		31		3		1		0		0		0		0		104
REL.	66.3		30.4		2.1		1.0		0.0		0.0		0.0		0.0		100.0		33.7		3.3		1.1		0.0		0.0		0.0		0.0		25.9
ID	66		30		2		2		0		0		0		0		101
ABS.	38		31		13		6		3		0		0		0		91		53		22		9		3		0		0		0		164
REL	41.7		34.0		14.2		6.5		3.2		0.0		0.0		0.0		100.0		58.2		24.2		9.9		3.3		0.0		0.0		0.0		24.11
ID	41		34		14		13		16		0		0		0		119
Year
ABS.	162		84		16		8		3		0		0		0		273		111		27		11		3		0		0		0		164
REL.	59.3		30.7		5.8		2.9		1.0		0.0		0.0		0.0		100.0		40.7		9.9		4.0		1.1		0.0		0.0		0.0		24.11
ID	59		30		5		5		5		0		0		0		107
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